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chromium / chromium / src / e89d67b6a314e2334ebc22ab6e8997fb357c306e / . / content / browser / preloading / prefetch / prefetch_service_unittest.cc
blob: 149070a98fa874a4bcf92e5001d3a07117f9bd9e [file] [log] [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/preloading/prefetch/prefetch_service.h"
#include "base/run_loop.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_future.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "components/ukm/test_ukm_recorder.h"
#include "content/browser/preloading/prefetch/prefetch_container.h"
#include "content/browser/preloading/prefetch/prefetch_document_manager.h"
#include "content/browser/preloading/prefetch/prefetch_features.h"
#include "content/browser/preloading/prefetch/prefetch_params.h"
#include "content/browser/preloading/prefetch/prefetch_status.h"
#include "content/browser/preloading/preloading.h"
#include "content/browser/preloading/preloading_config.h"
#include "content/browser/preloading/preloading_data_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/frame_accept_header.h"
#include "content/public/browser/prefetch_service_delegate.h"
#include "content/public/browser/preloading.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/test/fake_service_worker_context.h"
#include "content/public/test/mock_navigation_handle.h"
#include "content/public/test/preloading_test_util.h"
#include "content/public/test/test_browser_context.h"
#include "content/public/test/test_renderer_host.h"
#include "content/test/test_content_browser_client.h"
#include "net/base/load_flags.h"
#include "net/base/proxy_server.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/parsed_headers.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/public/mojom/cookie_manager.mojom.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/proxy_lookup_client.mojom.h"
#include "services/network/test/test_network_context.h"
#include "services/network/test/test_url_loader_factory.h"
#include "services/network/test/test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "url/gurl.h"
namespace content {
namespace {
const char kPrefetchProxyAddress[] = "https://testprefetchproxy.com";
const char kApiKey[] = "APIKEY";
const int kTotalTimeDuration = 4321;
const int kConnectTimeDuration = 123;
const int kHeaderLatency = 456;
const char kHTMLMimeType[] = "text/html";
const char kHTMLBody[] = R"(
<!DOCTYPE HTML>
<html>
<head></head>
<body></body>
</html>)";
PreloadingEligibility ToPreloadingEligibility(PrefetchStatus status) {
if (status == PrefetchStatus::kPrefetchNotEligibleDataSaverEnabled) {
return PreloadingEligibility::kDataSaverEnabled;
}
return static_cast<PreloadingEligibility>(
static_cast<int>(status) +
static_cast<int>(PreloadingEligibility::kPreloadingEligibilityCommonEnd));
}
PreloadingFailureReason ToPreloadingFailureReason(PrefetchStatus status) {
return static_cast<PreloadingFailureReason>(
static_cast<int>(status) +
static_cast<int>(
PreloadingFailureReason::kPreloadingFailureReasonCommonEnd));
}
class MockPrefetchServiceDelegate : public PrefetchServiceDelegate {
public:
explicit MockPrefetchServiceDelegate(int num_on_prefetch_likely_calls = 1) {
// Sets default behavior for the delegate.
ON_CALL(*this, GetDefaultPrefetchProxyHost)
.WillByDefault(testing::Return(GURL(kPrefetchProxyAddress)));
ON_CALL(*this, GetAPIKey).WillByDefault(testing::Return(kApiKey));
ON_CALL(*this, IsOriginOutsideRetryAfterWindow(testing::_))
.WillByDefault(testing::Return(true));
ON_CALL(*this, DisableDecoysBasedOnUserSettings)
.WillByDefault(testing::Return(false));
ON_CALL(*this, IsSomePreloadingEnabled)
.WillByDefault(testing::Return(PreloadingEligibility::kEligible));
ON_CALL(*this, IsExtendedPreloadingEnabled)
.WillByDefault(testing::Return(false));
ON_CALL(*this, IsDomainInPrefetchAllowList(testing::_))
.WillByDefault(testing::Return(true));
EXPECT_CALL(*this, OnPrefetchLikely(testing::_))
.Times(num_on_prefetch_likely_calls);
}
~MockPrefetchServiceDelegate() override = default;
MockPrefetchServiceDelegate(const MockPrefetchServiceDelegate&) = delete;
MockPrefetchServiceDelegate& operator=(const MockPrefetchServiceDelegate) =
delete;
// PrefetchServiceDelegate.
MOCK_METHOD(std::string, GetMajorVersionNumber, (), (override));
MOCK_METHOD(std::string, GetAcceptLanguageHeader, (), (override));
MOCK_METHOD(GURL, GetDefaultPrefetchProxyHost, (), (override));
MOCK_METHOD(std::string, GetAPIKey, (), (override));
MOCK_METHOD(GURL, GetDefaultDNSCanaryCheckURL, (), (override));
MOCK_METHOD(GURL, GetDefaultTLSCanaryCheckURL, (), (override));
MOCK_METHOD(void,
ReportOriginRetryAfter,
(const GURL&, base::TimeDelta),
(override));
MOCK_METHOD(bool, IsOriginOutsideRetryAfterWindow, (const GURL&), (override));
MOCK_METHOD(void, ClearData, (), (override));
MOCK_METHOD(bool, DisableDecoysBasedOnUserSettings, (), (override));
MOCK_METHOD(PreloadingEligibility, IsSomePreloadingEnabled, (), (override));
MOCK_METHOD(bool, IsExtendedPreloadingEnabled, (), (override));
MOCK_METHOD(bool, IsDomainInPrefetchAllowList, (const GURL&), (override));
MOCK_METHOD(void, OnPrefetchLikely, (WebContents*), (override));
};
class ScopedPrefetchServiceContentBrowserClient
: public TestContentBrowserClient {
public:
explicit ScopedPrefetchServiceContentBrowserClient(
std::unique_ptr<MockPrefetchServiceDelegate>
mock_prefetch_service_delegate)
: mock_prefetch_service_delegate_(
std::move(mock_prefetch_service_delegate)) {
old_browser_client_ = SetBrowserClientForTesting(this);
off_the_record_context_ = std::make_unique<TestBrowserContext>();
off_the_record_context_->set_is_off_the_record(true);
}
~ScopedPrefetchServiceContentBrowserClient() override {
EXPECT_EQ(this, SetBrowserClientForTesting(old_browser_client_));
}
// ContentBrowserClient.
std::unique_ptr<PrefetchServiceDelegate> CreatePrefetchServiceDelegate(
BrowserContext*) override {
return std::move(mock_prefetch_service_delegate_);
}
void UseOffTheRecordContextForStoragePartition(bool use) {
use_off_the_record_context_for_storage_paritition_ = use;
}
// `BrowserContext::GetStoragePartitionForUrl` eventually calls this method
// on the browser client to get the config. Overwrite it so the prefetch can
// be rejected due to a non-default storage partition.
StoragePartitionConfig GetStoragePartitionConfigForSite(
BrowserContext* browser_context,
const GURL& site) override {
if (use_off_the_record_context_for_storage_paritition_) {
return StoragePartitionConfig::CreateDefault(
off_the_record_context_.get());
}
return TestContentBrowserClient::GetStoragePartitionConfigForSite(
browser_context, site);
}
private:
raw_ptr<ContentBrowserClient> old_browser_client_;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate_;
// This browser context is used to generate a different storage partition if
// `use_off_the_record_context_for_storage_paritition_` is set to true.
std::unique_ptr<TestBrowserContext> off_the_record_context_;
bool use_off_the_record_context_for_storage_paritition_{false};
};
// This is only used to test the proxy lookup.
class TestNetworkContext : public network::TestNetworkContext {
public:
explicit TestNetworkContext(absl::optional<net::ProxyInfo> proxy_info)
: proxy_info_(proxy_info) {}
void LookUpProxyForURL(
const GURL& url,
const net::NetworkAnonymizationKey& network_anonymization_key,
mojo::PendingRemote<network::mojom::ProxyLookupClient>
pending_proxy_lookup_client) override {
mojo::Remote<network::mojom::ProxyLookupClient> proxy_lookup_client(
std::move(pending_proxy_lookup_client));
proxy_lookup_client->OnProxyLookupComplete(net::OK, proxy_info_);
}
private:
absl::optional<net::ProxyInfo> proxy_info_;
};
class PrefetchServiceTest : public RenderViewHostTestHarness {
public:
PrefetchServiceTest()
: test_url_loader_factory_(/*observe_loader_requests=*/true),
test_shared_url_loader_factory_(
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
&test_url_loader_factory_)) {}
void SetUp() override {
RenderViewHostTestHarness::SetUp();
browser_context()
->GetDefaultStoragePartition()
->GetNetworkContext()
->GetCookieManager(cookie_manager_.BindNewPipeAndPassReceiver());
InitScopedFeatureList();
PreloadingConfig::GetInstance().ParseConfig();
PrefetchService::SetURLLoaderFactoryForTesting(
test_shared_url_loader_factory_.get());
PrefetchService::SetHostNonUniqueFilterForTesting(
[](base::StringPiece) { return false; });
PrefetchService::SetServiceWorkerContextForTesting(
&service_worker_context_);
test_ukm_recorder_ = std::make_unique<ukm::TestAutoSetUkmRecorder>();
attempt_entry_builder_ =
std::make_unique<test::PreloadingAttemptUkmEntryBuilder>(
content_preloading_predictor::kSpeculationRules);
scoped_test_timer_ =
std::make_unique<base::ScopedMockElapsedTimersForTest>();
}
void TearDown() override {
if (PrefetchDocumentManager::GetForCurrentDocument(main_rfh()))
PrefetchDocumentManager::DeleteForCurrentDocument(main_rfh());
PrefetchDocumentManager::SetPrefetchServiceForTesting(nullptr);
mock_navigation_handle_.reset();
prefetch_service_.reset();
PrefetchService::SetURLLoaderFactoryForTesting(nullptr);
PrefetchService::SetHostNonUniqueFilterForTesting(nullptr);
PrefetchService::SetServiceWorkerContextForTesting(nullptr);
PrefetchService::SetURLLoaderFactoryForTesting(nullptr);
test_content_browser_client_.reset();
scoped_feature_list_.Reset();
PreloadingConfig::GetInstance().ParseConfig();
RenderViewHostTestHarness::TearDown();
}
virtual void InitScopedFeatureList() {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
void MakePrefetchService(std::unique_ptr<MockPrefetchServiceDelegate>
mock_prefetch_service_delegate) {
test_content_browser_client_ =
std::make_unique<ScopedPrefetchServiceContentBrowserClient>(
std::move(mock_prefetch_service_delegate));
prefetch_service_ = PrefetchService::CreateIfPossible(browser_context());
PrefetchDocumentManager::SetPrefetchServiceForTesting(
prefetch_service_.get());
}
// Creates a prefetch request for |url| on the current main frame.
void MakePrefetchOnMainFrame(
const GURL& prefetch_url,
const PrefetchType& prefetch_type,
const absl::optional<GURL>& referrer_url = absl::nullopt,
bool enable_no_vary_search_header = false,
network::mojom::NoVarySearchPtr&& no_vary_search_hint =
network::mojom::NoVarySearchPtr()) {
PrefetchDocumentManager* prefetch_document_manager =
PrefetchDocumentManager::GetOrCreateForCurrentDocument(main_rfh());
if (enable_no_vary_search_header)
prefetch_document_manager->EnableNoVarySearchSupport();
blink::mojom::Referrer referrer;
if (referrer_url.has_value()) {
referrer.url = referrer_url.value();
}
prefetch_document_manager->PrefetchUrl(
prefetch_url, prefetch_type, referrer, no_vary_search_hint,
blink::mojom::SpeculationInjectionWorld::kNone, nullptr);
}
int RequestCount() { return test_url_loader_factory_.NumPending(); }
void VerifyCommonRequestState(const GURL& url, bool use_prefetch_proxy) {
SCOPED_TRACE(url.spec());
EXPECT_EQ(RequestCount(), 1);
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
EXPECT_EQ(request->request.url, url);
EXPECT_EQ(request->request.method, "GET");
EXPECT_TRUE(request->request.enable_load_timing);
EXPECT_EQ(request->request.load_flags,
net::LOAD_DISABLE_CACHE | net::LOAD_PREFETCH);
EXPECT_EQ(request->request.credentials_mode,
network::mojom::CredentialsMode::kInclude);
std::string purpose_value;
EXPECT_TRUE(request->request.headers.GetHeader("Purpose", &purpose_value));
EXPECT_EQ(purpose_value, "prefetch");
std::string sec_purpose_value;
EXPECT_TRUE(
request->request.headers.GetHeader("Sec-Purpose", &sec_purpose_value));
EXPECT_EQ(sec_purpose_value,
use_prefetch_proxy ? "prefetch;anonymous-client-ip" : "prefetch");
std::string accept_value;
EXPECT_TRUE(request->request.headers.GetHeader("Accept", &accept_value));
EXPECT_EQ(accept_value, FrameAcceptHeaderValue(/*allow_sxg_responses=*/true,
browser_context()));
std::string upgrade_insecure_request_value;
EXPECT_TRUE(request->request.headers.GetHeader(
"Upgrade-Insecure-Requests", &upgrade_insecure_request_value));
EXPECT_EQ(upgrade_insecure_request_value, "1");
ASSERT_TRUE(request->request.trusted_params.has_value());
VerifyIsolationInfo(request->request.trusted_params->isolation_info);
}
void VerifyIsolationInfo(const net::IsolationInfo& isolation_info) {
EXPECT_FALSE(isolation_info.IsEmpty());
EXPECT_TRUE(isolation_info.network_isolation_key().IsFullyPopulated());
EXPECT_FALSE(isolation_info.network_isolation_key().IsTransient());
EXPECT_FALSE(isolation_info.site_for_cookies().IsNull());
}
network::mojom::URLResponseHeadPtr CreateURLResponseHeadForPrefetch(
net::HttpStatusCode http_status,
const std::string mime_type,
bool use_prefetch_proxy,
const std::vector<std::pair<std::string, std::string>>& headers,
const GURL& request_url) {
auto head = network::CreateURLResponseHead(http_status);
head->response_time = base::Time::Now();
head->request_time =
head->response_time - base::Milliseconds(kTotalTimeDuration);
head->load_timing.connect_timing.connect_end =
base::TimeTicks::Now() - base::Minutes(2);
head->load_timing.connect_timing.connect_start =
head->load_timing.connect_timing.connect_end -
base::Milliseconds(kConnectTimeDuration);
head->load_timing.receive_headers_end = base::TimeTicks::Now();
head->load_timing.request_start = head->load_timing.receive_headers_end -
base::Milliseconds(kHeaderLatency);
head->proxy_server =
use_prefetch_proxy
? net::ProxyServer::FromSchemeHostAndPort(
net::ProxyServer::Scheme::SCHEME_HTTPS,
PrefetchProxyHost(GURL(kPrefetchProxyAddress)).spec(),
absl::nullopt)
: net::ProxyServer::Direct();
head->mime_type = mime_type;
for (const auto& header : headers) {
head->headers->AddHeader(header.first, header.second);
}
if (!head->parsed_headers) {
head->parsed_headers =
network::PopulateParsedHeaders(head->headers.get(), request_url);
}
return head;
}
void MakeSingleRedirectAndWait(
const net::RedirectInfo& redirect_info,
network::mojom::URLResponseHeadPtr redirect_head) {
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
ASSERT_TRUE(request);
ASSERT_TRUE(request->client);
request->client->OnReceiveRedirect(redirect_info, redirect_head.Clone());
task_environment()->RunUntilIdle();
}
void VerifyFollowRedirectParams(size_t expected_follow_redirect_params_size) {
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
ASSERT_TRUE(request);
ASSERT_TRUE(request->test_url_loader);
const auto& follow_redirect_params =
request->test_url_loader->follow_redirect_params();
EXPECT_EQ(follow_redirect_params.size(),
expected_follow_redirect_params_size);
for (const auto& follow_redirect_param : follow_redirect_params) {
EXPECT_EQ(follow_redirect_param.removed_headers.size(), 0U);
EXPECT_TRUE(follow_redirect_param.modified_headers.IsEmpty());
EXPECT_TRUE(follow_redirect_param.modified_cors_exempt_headers.IsEmpty());
EXPECT_FALSE(follow_redirect_param.new_url);
}
}
void MakeResponseAndWait(
net::HttpStatusCode http_status,
net::Error net_error,
const std::string mime_type,
bool use_prefetch_proxy,
std::vector<std::pair<std::string, std::string>> headers,
const std::string& body) {
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
ASSERT_TRUE(request);
auto head = CreateURLResponseHeadForPrefetch(http_status, mime_type,
use_prefetch_proxy, headers,
request->request.url);
network::URLLoaderCompletionStatus status(net_error);
test_url_loader_factory_.AddResponse(request->request.url, std::move(head),
body, status);
task_environment()->RunUntilIdle();
// Clear responses in the network service so we can inspect the next request
// that comes in before it is responded to.
test_url_loader_factory_.ClearResponses();
}
void SendHeadOfResponseAndWait(
net::HttpStatusCode http_status,
const std::string mime_type,
bool use_prefetch_proxy,
std::vector<std::pair<std::string, std::string>> headers,
uint32_t expected_total_body_size) {
ASSERT_FALSE(producer_handle_);
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
ASSERT_TRUE(request);
ASSERT_TRUE(request->client);
auto head = CreateURLResponseHeadForPrefetch(http_status, mime_type,
use_prefetch_proxy, headers,
request->request.url);
mojo::ScopedDataPipeConsumerHandle body;
EXPECT_EQ(
mojo::CreateDataPipe(expected_total_body_size, producer_handle_, body),
MOJO_RESULT_OK);
request->client->OnReceiveResponse(std::move(head), std::move(body),
absl::nullopt);
task_environment()->RunUntilIdle();
}
void SendBodyContentOfResponseAndWait(const std::string& body) {
ASSERT_TRUE(producer_handle_);
uint32_t bytes_written = body.size();
EXPECT_EQ(producer_handle_->WriteData(body.data(), &bytes_written,
MOJO_WRITE_DATA_FLAG_ALL_OR_NONE),
MOJO_RESULT_OK);
task_environment()->RunUntilIdle();
}
void CompleteResponseAndWait(net::Error net_error,
uint32_t expected_total_body_size) {
ASSERT_TRUE(producer_handle_);
network::TestURLLoaderFactory::PendingRequest* request =
test_url_loader_factory_.GetPendingRequest(0);
ASSERT_TRUE(request);
ASSERT_TRUE(request->client);
producer_handle_.reset();
network::URLLoaderCompletionStatus completion_status(net_error);
completion_status.decoded_body_length = expected_total_body_size;
request->client->OnComplete(completion_status);
task_environment()->RunUntilIdle();
test_url_loader_factory_.ClearResponses();
}
bool SetCookie(const GURL& url, const std::string& value) {
std::unique_ptr<net::CanonicalCookie> cookie(net::CanonicalCookie::Create(
url, value, base::Time::Now(), /*server_time=*/absl::nullopt,
/*cookie_partition_key=*/absl::nullopt));
EXPECT_TRUE(cookie.get());
bool result = false;
base::RunLoop run_loop;
net::CookieOptions options;
options.set_include_httponly();
options.set_same_site_cookie_context(
net::CookieOptions::SameSiteCookieContext::MakeInclusive());
cookie_manager_->SetCanonicalCookie(
*cookie.get(), url, options,
base::BindOnce(
[](bool* result, base::RunLoop* run_loop,
net::CookieAccessResult set_cookie_access_result) {
*result = set_cookie_access_result.status.IsInclude();
run_loop->Quit();
},
&result, &run_loop));
run_loop.Run();
return result;
}
void Navigate(const GURL& url,
const GlobalRenderFrameHostId& previous_rfh_id) {
mock_navigation_handle_ =
std::make_unique<testing::NiceMock<MockNavigationHandle>>(
web_contents());
mock_navigation_handle_->set_url(url);
ON_CALL(*mock_navigation_handle_, GetPreviousRenderFrameHostId)
.WillByDefault(testing::Return(previous_rfh_id));
PrefetchDocumentManager* prefetch_document_manager =
PrefetchDocumentManager::GetOrCreateForCurrentDocument(main_rfh());
prefetch_document_manager->DidStartNavigation(
mock_navigation_handle_.get());
}
absl::optional<PrefetchServingPageMetrics>
GetMetricsForMostRecentNavigation() {
if (!mock_navigation_handle_)
return absl::nullopt;
return PrefetchServingPageMetrics::GetForNavigationHandle(
*mock_navigation_handle_);
}
base::WeakPtr<PrefetchContainer> GetPrefetchToServe(
const GURL& url,
GlobalRenderFrameHostId previous_render_frame_host_id =
GlobalRenderFrameHostId()) {
if (!previous_render_frame_host_id) {
// A valid `previous_render_frame_host_id` is given as an argument when
// to test that prefetched results are not used for unexpected initiator
// Documents. In other cases, use the ID of the expected initiator
// Document (RenderFrameHost where the `PrefetchDocumentManager` is
// associated).
previous_render_frame_host_id = main_rfh()->GetGlobalId();
}
base::test::TestFuture<base::WeakPtr<PrefetchContainer>> future;
prefetch_service_->GetPrefetchToServe(
PrefetchContainer::Key(previous_render_frame_host_id, url),
future.GetCallback());
return future.Get();
}
ScopedPrefetchServiceContentBrowserClient* test_content_browser_client() {
return test_content_browser_client_.get();
}
ukm::TestAutoSetUkmRecorder* test_ukm_recorder() {
return test_ukm_recorder_.get();
}
const test::PreloadingAttemptUkmEntryBuilder* attempt_entry_builder() {
return attempt_entry_builder_.get();
}
ukm::SourceId ForceLogsUploadAndGetUkmId() {
MockNavigationHandle mock_handle;
mock_handle.set_is_in_primary_main_frame(true);
mock_handle.set_is_same_document(false);
mock_handle.set_has_committed(true);
// Makes sure the accurate bit is always false.
mock_handle.set_url(GURL("http://Not.Accurate.Trigger.Url/"));
auto* preloading_data =
PreloadingData::GetOrCreateForWebContents(web_contents());
// Sets the accurate bit, and records `TimeToNextNavigation`.
static_cast<PreloadingDataImpl*>(preloading_data)
->DidStartNavigation(&mock_handle);
// Records the UKMs.
static_cast<PreloadingDataImpl*>(preloading_data)
->DidFinishNavigation(&mock_handle);
return mock_handle.GetNextPageUkmSourceId();
}
void ExpectCorrectUkmLogs(PreloadingEligibility eligibility,
PreloadingHoldbackStatus holdback,
PreloadingTriggeringOutcome outcome,
PreloadingFailureReason failure,
bool is_accurate = false) {
const auto source_id = ForceLogsUploadAndGetUkmId();
auto actual_attempts = test_ukm_recorder()->GetEntries(
ukm::builders::Preloading_Attempt::kEntryName,
test::kPreloadingAttemptUkmMetrics);
EXPECT_EQ(actual_attempts.size(), 1u);
absl::optional<base::TimeDelta> ready_time = absl::nullopt;
if (outcome == PreloadingTriggeringOutcome::kReady ||
outcome == PreloadingTriggeringOutcome::kSuccess) {
ready_time = base::ScopedMockElapsedTimersForTest::kMockElapsedTime;
}
const auto expected_attempts = {attempt_entry_builder()->BuildEntry(
source_id, PreloadingType::kPrefetch, eligibility, holdback, outcome,
failure, is_accurate, ready_time)};
EXPECT_THAT(actual_attempts,
testing::UnorderedElementsAreArray(expected_attempts))
<< test::ActualVsExpectedUkmEntriesToString(actual_attempts,
expected_attempts);
// We do not test the `PreloadingPrediction` as it is added in
// `PreloadingDecider`.
}
protected:
FakeServiceWorkerContext service_worker_context_;
mojo::Remote<network::mojom::CookieManager> cookie_manager_;
network::TestURLLoaderFactory test_url_loader_factory_;
scoped_refptr<network::SharedURLLoaderFactory>
test_shared_url_loader_factory_;
base::test::ScopedFeatureList scoped_feature_list_;
std::unique_ptr<PrefetchService> prefetch_service_;
std::unique_ptr<testing::NiceMock<MockNavigationHandle>>
mock_navigation_handle_;
std::unique_ptr<ScopedPrefetchServiceContentBrowserClient>
test_content_browser_client_;
mojo::ScopedDataPipeProducerHandle producer_handle_;
std::unique_ptr<ukm::TestAutoSetUkmRecorder> test_ukm_recorder_;
std::unique_ptr<test::PreloadingAttemptUkmEntryBuilder>
attempt_entry_builder_;
std::unique_ptr<base::ScopedMockElapsedTimersForTest> scoped_test_timer_;
};
TEST_F(PrefetchServiceTest, CreateServiceWhenFeatureEnabled) {
// Enable feature, which means that we should be able to create a
// PrefetchService instance.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures(
{features::kPrefetchUseContentRefactor},
{network::features::kPrefetchNoVarySearch});
EXPECT_TRUE(PrefetchService::CreateIfPossible(browser_context()));
}
TEST_F(PrefetchServiceTest, DontCreateServiceWhenFeatureDisabled) {
// Disable feature, which means that we shouldn't be able to create a
// PrefetchService instance.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures(
{}, {features::kPrefetchUseContentRefactor,
network::features::kPrefetchNoVarySearch});
EXPECT_FALSE(PrefetchService::CreateIfPossible(browser_context()));
}
TEST_F(PrefetchServiceTest, SuccessCase) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
// No servable PrefetchContainer is returned for different RenderFrameHost.
GlobalRenderFrameHostId different_render_frame_host_id =
main_rfh()->GetGlobalId();
different_render_frame_host_id.child_id += 1;
base::WeakPtr<PrefetchContainer>
serveable_prefetch_container_for_different_initiator = GetPrefetchToServe(
GURL("https://example.com"), different_render_frame_host_id);
ASSERT_FALSE(serveable_prefetch_container_for_different_initiator);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.AfterClick.RedirectChainSize", 1, 1);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NoPrefetchingPreloadingDisabled) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>(
/*num_on_prefetch_likely_calls=*/0);
// When preloading is disabled, then |PrefetchService| doesn't take the
// prefetch at all.
EXPECT_CALL(*mock_prefetch_service_delegate, IsSomePreloadingEnabled)
.Times(1)
.WillOnce(testing::Return(PreloadingEligibility::kPreloadingDisabled));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_FALSE(serving_page_metrics->prefetch_status);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
// We expect one entry because the PreloadingAttempt is created when the
// container is created, but since `IsSomePreloadingEnabled()` is false
// we did not reach to the eligibility check.
ExpectCorrectUkmLogs(PreloadingEligibility::kUnspecified,
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NoPrefetchingDomainNotInAllowList) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>(
/*num_on_prefetch_likely_calls=*/0);
// When referring page is not in allow list, then |PrefetchService| doesn't
// take the prefetch at all.
EXPECT_CALL(*mock_prefetch_service_delegate,
IsDomainInPrefetchAllowList(testing::_))
.Times(1)
.WillOnce(testing::Return(false));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_FALSE(serving_page_metrics->prefetch_status);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
// `IsDomainInPrefetchAllowList` returns false so we did not reach the
// eligibility check.
ExpectCorrectUkmLogs(PreloadingEligibility::kUnspecified,
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceAllowAllDomainsTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"allow_all_domains", "true"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceAllowAllDomainsTest, AllowAllDomains) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
// When "allow_all_domains" is set to true, then we can prefetch from all
// domains, not just those in the allow list.
EXPECT_CALL(*mock_prefetch_service_delegate,
IsDomainInPrefetchAllowList(testing::_))
.Times(0);
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceAllowAllDomainsForExtendedPreloadingTest
: public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"allow_all_domains_for_extended_preloading", "true"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceAllowAllDomainsForExtendedPreloadingTest,
ExtendedPreloadingEnabled) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
// Allow all domains if and only if extended preloading is enabled.
EXPECT_CALL(*mock_prefetch_service_delegate, IsExtendedPreloadingEnabled)
.Times(1)
.WillOnce(testing::Return(true));
EXPECT_CALL(*mock_prefetch_service_delegate,
IsDomainInPrefetchAllowList(testing::_))
.Times(0);
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceAllowAllDomainsForExtendedPreloadingTest,
ExtendedPreloadingDisabled) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>(
/*num_on_prefetch_likely_calls=*/0);
// If extended preloading is disabled, then we check the allow list.
EXPECT_CALL(*mock_prefetch_service_delegate, IsExtendedPreloadingEnabled)
.Times(1)
.WillOnce(testing::Return(false));
EXPECT_CALL(*mock_prefetch_service_delegate,
IsDomainInPrefetchAllowList(testing::_))
.Times(1)
.WillOnce(testing::Return(false));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_FALSE(serving_page_metrics->prefetch_status);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(PreloadingEligibility::kUnspecified,
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NonProxiedPrefetchDoesNotRequireAllowList) {
base::HistogramTester histogram_tester;
// Assume we have a delegate which will not grant access to the proxy for this
// domain. Nonetheless a non-proxied prefetch should work.
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
ON_CALL(*mock_prefetch_service_delegate, IsExtendedPreloadingEnabled)
.WillByDefault(testing::Return(false));
ON_CALL(*mock_prefetch_service_delegate,
IsDomainInPrefetchAllowList(testing::_))
.WillByDefault(testing::Return(false));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleHostnameNonUnique) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
PrefetchService::SetHostNonUniqueFilterForTesting(
[](base::StringPiece) { return true; });
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleHostIsNonUnique));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleHostIsNonUnique),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleDataSaverEnabled) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>(
/*num_on_prefetch_likely_calls=*/0);
// When data saver is enabled, then |PrefetchService| doesn't start the
// prefetch at all.
EXPECT_CALL(*mock_prefetch_service_delegate, IsSomePreloadingEnabled)
.Times(1)
.WillOnce(testing::Return(PreloadingEligibility::kDataSaverEnabled));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleDataSaverEnabled));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(PreloadingEligibility::kDataSaverEnabled,
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleNonHttps) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("http://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("http://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleSchemeIsNotHttps));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleSchemeIsNotHttps),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligiblePrefetchProxyNotAvailable) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
// If the prefetch proxy URL is invalid, then we can't make prefetches that
// require the proxy. However, non-proxied prefetches are fine.
EXPECT_CALL(*mock_prefetch_service_delegate, GetDefaultPrefetchProxyHost)
.Times(1)
.WillOnce(testing::Return(GURL("")));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchProxyNotAvailable));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(PrefetchStatus::kPrefetchProxyNotAvailable),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest,
EligiblePrefetchProxyNotAvailableNonProxiedPrefetch) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
// If the prefetch proxy URL is invalid, then we can't make prefetches that
// require the proxy. However, non-proxied prefetches are fine.
EXPECT_CALL(*mock_prefetch_service_delegate, GetDefaultPrefetchProxyHost)
.Times(1)
.WillOnce(testing::Return(GURL("")));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleOriginWithinRetryAfterWindow) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
EXPECT_CALL(*mock_prefetch_service_delegate,
IsOriginOutsideRetryAfterWindow(GURL("https://example.com")))
.Times(1)
.WillOnce(testing::Return(false));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchIneligibleRetryAfter));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(PrefetchStatus::kPrefetchIneligibleRetryAfter),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, EligibleNonHttpsNonProxiedPotentiallyTrustworthy) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://localhost"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://localhost"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://localhost"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://localhost"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleServiceWorkerRegistered) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
service_worker_context_.AddRegistrationToRegisteredStorageKeys(
blink::StorageKey::CreateFromStringForTesting("https://example.com"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(
PrefetchStatus::kPrefetchNotEligibleUserHasServiceWorker));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleUserHasServiceWorker),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, EligibleServiceWorkerNotRegistered) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
service_worker_context_.AddRegistrationToRegisteredStorageKeys(
blink::StorageKey::CreateFromStringForTesting("https://other.com"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleUserHasCookies) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
ASSERT_TRUE(SetCookie(GURL("https://example.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleUserHasCookies));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleUserHasCookies),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, EligibleUserHasCookiesForDifferentUrl) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
ASSERT_TRUE(SetCookie(GURL("https://other.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, EligibleSameOriginPrefetchCanHaveExistingCookies) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
ASSERT_TRUE(SetCookie(GURL("https://example.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_SameOriginPrefetchIgnoresProxyRequirement \
DISABLED_SameOriginPrefetchIgnoresProxyRequirement
#else
#define MAYBE_SameOriginPrefetchIgnoresProxyRequirement \
SameOriginPrefetchIgnoresProxyRequirement
#endif
TEST_F(PrefetchServiceTest, MAYBE_SameOriginPrefetchIgnoresProxyRequirement) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
// Make a same-origin prefetch that requires the proxy. The proxy requirement
// is only enforced for cross-origin requests.
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager),
/*referrer_url=*/GURL("https://example.com/referring_page"));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
// serving_page_metrics->required_private_prefetch_proxy will be true if the
// prefetch is marked as requiring the proxy when cross origin, even if only
// prefetch request was same-origin.
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_NotEligibleSameSiteCrossOriginPrefetchRequiresProxy \
DISABLED_NotEligibleSameSiteCrossOriginPrefetchRequiresProxy
#else
#define MAYBE_NotEligibleSameSiteCrossOriginPrefetchRequiresProxy \
NotEligibleSameSiteCrossOriginPrefetchRequiresProxy
#endif
TEST_F(PrefetchServiceTest,
MAYBE_NotEligibleSameSiteCrossOriginPrefetchRequiresProxy) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
// Make a same-site cross-origin prefetch that requires the proxy. These types
// of prefetches are blocked.
MakePrefetchOnMainFrame(
GURL("https://other.example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager),
/*referrer_url=*/GURL("https://example.com/referring_page"));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://other.example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(
PrefetchStatus::
kPrefetchNotEligibleSameSiteCrossOriginPrefetchRequiredProxy));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://other.example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(
PrefetchStatus::
kPrefetchNotEligibleSameSiteCrossOriginPrefetchRequiredProxy),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotEligibleExistingConnectProxy) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
net::ProxyInfo proxy_info;
proxy_info.UseNamedProxy("proxy.com");
TestNetworkContext network_context_for_proxy_lookup(proxy_info);
PrefetchService::SetNetworkContextForProxyLookupForTesting(
&network_context_for_proxy_lookup);
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleExistingProxy));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleExistingProxy),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
PrefetchService::SetNetworkContextForProxyLookupForTesting(nullptr);
}
TEST_F(PrefetchServiceTest, EligibleExistingConnectProxyButSameOriginPrefetch) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
net::ProxyInfo proxy_info;
proxy_info.UseNamedProxy("proxy.com");
TestNetworkContext network_context_for_proxy_lookup(proxy_info);
PrefetchService::SetNetworkContextForProxyLookupForTesting(
&network_context_for_proxy_lookup);
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
PrefetchService::SetNetworkContextForProxyLookupForTesting(nullptr);
}
TEST_F(PrefetchServiceTest, FailedNon2XXResponseCode) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_NOT_FOUND, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_NOT_FOUND, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedNon2XX));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
PreloadingEligibility::kEligible, PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(PrefetchStatus::kPrefetchFailedNon2XX));
}
TEST_F(PrefetchServiceTest, FailedNetError) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::ERR_FAILED, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", std::abs(net::ERR_FAILED),
1);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedNetError));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
PreloadingEligibility::kEligible, PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(PrefetchStatus::kPrefetchFailedNetError));
}
TEST_F(PrefetchServiceTest, HandleRetryAfterResponse) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
EXPECT_CALL(
*mock_prefetch_service_delegate,
ReportOriginRetryAfter(GURL("https://example.com"), base::Seconds(1234)))
.Times(1);
MakePrefetchService(std::move(mock_prefetch_service_delegate));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
// Simulate the origin responding with a "retry-after" header.
MakeResponseAndWait(net::HTTP_SERVICE_UNAVAILABLE, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"Retry-After", "1234"}, {"X-Testing", "Hello World"}},
"");
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode",
net::HTTP_SERVICE_UNAVAILABLE, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedNon2XX));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
PreloadingEligibility::kEligible, PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(PrefetchStatus::kPrefetchFailedNon2XX));
}
TEST_F(PrefetchServiceTest, SuccessNonHTML) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
std::string body = "fake PDF";
MakeResponseAndWait(net::HTTP_OK, net::OK, "application/pdf",
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, body);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", body.size(), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NotServeableNavigationInDifferentRenderFrameHost) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
// Since the navigation is occurring in a RenderFrameHost other than where the
// prefetch was requested from, we cannot use it.
GlobalRenderFrameHostId other_rfh_id(
main_rfh()->GetGlobalId().child_id + 1,
main_rfh()->GetGlobalId().frame_routing_id + 1);
ASSERT_NE(other_rfh_id, main_rfh()->GetGlobalId());
Navigate(GURL("https://example.com"), other_rfh_id);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
EXPECT_FALSE(serving_page_metrics);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceLimitedPrefetchesTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"max_srp_prefetches", "2"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceLimitedPrefetchesTest, LimitedNumberOfPrefetches) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>(
/*num_on_prefetch_likely_calls=*/3));
// Make 3 prefetches from the same page. PrefetchService should make requests
// for the first two prefetches but not the third due to the limit on the
// number of prefetches.
MakePrefetchOnMainFrame(
GURL("https://example1.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example1.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
MakePrefetchOnMainFrame(
GURL("https://example2.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example2.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
MakePrefetchOnMainFrame(
GURL("https://example3.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 3);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 2);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 2);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 2);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 2);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 2);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 3);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 3);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 2);
Navigate(GURL("https://example1.com"), main_rfh()->GetGlobalId());
absl::optional<PrefetchServingPageMetrics> serving_page_metrics1 =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics1);
EXPECT_TRUE(serving_page_metrics1->prefetch_status);
EXPECT_EQ(serving_page_metrics1->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics1->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics1->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics1->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics1->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container1 =
GetPrefetchToServe(GURL("https://example1.com"));
ASSERT_TRUE(serveable_prefetch_container1);
EXPECT_TRUE(serveable_prefetch_container1->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container1->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(serveable_prefetch_container1->IsPrefetchServable(
base::TimeDelta::Max()));
Navigate(GURL("https://example2.com"), main_rfh()->GetGlobalId());
absl::optional<PrefetchServingPageMetrics> serving_page_metrics2 =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics2);
EXPECT_TRUE(serving_page_metrics2->prefetch_status);
EXPECT_EQ(serving_page_metrics2->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics2->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics2->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics2->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics2->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container2 =
GetPrefetchToServe(GURL("https://example2.com"));
ASSERT_TRUE(serveable_prefetch_container2);
EXPECT_TRUE(serveable_prefetch_container2->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container2->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(serveable_prefetch_container2->IsPrefetchServable(
base::TimeDelta::Max()));
Navigate(GURL("https://example3.com"), main_rfh()->GetGlobalId());
absl::optional<PrefetchServingPageMetrics> serving_page_metrics3 =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics3);
// The prefetch attempt that exceeds the limit is just rejected with no
// chance to update PrefetchServingPageMetrics.
EXPECT_FALSE(serving_page_metrics3->prefetch_status);
EXPECT_FALSE(serving_page_metrics3->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics3->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics3->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container3 =
GetPrefetchToServe(GURL("https://example3.com"));
EXPECT_FALSE(serveable_prefetch_container3);
{
const auto source_id = ForceLogsUploadAndGetUkmId();
auto actual_attempts = test_ukm_recorder()->GetEntries(
ukm::builders::Preloading_Attempt::kEntryName,
test::kPreloadingAttemptUkmMetrics);
EXPECT_EQ(actual_attempts.size(), 3u);
// The third entry never reaches the holdback status check.
std::vector<ukm::TestUkmRecorder::HumanReadableUkmEntry> expected_attempts =
{attempt_entry_builder()->BuildEntry(
source_id, PreloadingType::kPrefetch,
PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified,
/*accurate=*/false,
/*ready_time=*/
base::ScopedMockElapsedTimersForTest::kMockElapsedTime),
attempt_entry_builder()->BuildEntry(
source_id, PreloadingType::kPrefetch,
PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified,
/*accurate=*/false,
/*ready_time=*/
base::ScopedMockElapsedTimersForTest::kMockElapsedTime),
attempt_entry_builder()->BuildEntry(
source_id, PreloadingType::kPrefetch,
PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
content::PrefetchStatus::kPrefetchFailedPerPageLimitExceeded),
/*accurate=*/false)};
EXPECT_THAT(actual_attempts,
testing::UnorderedElementsAreArray(expected_attempts))
<< test::ActualVsExpectedUkmEntriesToString(actual_attempts,
expected_attempts);
}
}
class PrefetchServiceWithHTMLOnlyTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"html_only", "true"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceWithHTMLOnlyTest, FailedNonHTMLWithHTMLOnly) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
std::string body = "fake PDF";
MakeResponseAndWait(net::HTTP_OK, net::OK, "application/pdf",
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, body);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", body.size(), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedMIMENotSupported));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedMIMENotSupported));
}
class PrefetchServiceAlwaysMakeDecoyRequestTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "1"},
{"prefetch_container_lifetime_s", "-1"}}},
{features::kPrefetchRedirects, {}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceAlwaysMakeDecoyRequestTest, DecoyRequest) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
ASSERT_TRUE(SetCookie(GURL("https://example.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchIsPrivacyDecoy));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
// A decoy is considered a failure.
ExpectCorrectUkmLogs(
PreloadingEligibility::kEligible, PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(PrefetchStatus::kPrefetchIsPrivacyDecoy));
}
TEST_F(PrefetchServiceAlwaysMakeDecoyRequestTest,
NoDecoyRequestDisableDecoysBasedOnUserSettings) {
base::HistogramTester histogram_tester;
std::unique_ptr<MockPrefetchServiceDelegate> mock_prefetch_service_delegate =
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>();
EXPECT_CALL(*mock_prefetch_service_delegate, DisableDecoysBasedOnUserSettings)
.Times(1)
.WillOnce(testing::Return(true));
MakePrefetchService(std::move(mock_prefetch_service_delegate));
ASSERT_TRUE(SetCookie(GURL("https://example.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotEligibleUserHasCookies));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleUserHasCookies),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_RedirectDecoyRequest DISABLED_RedirectDecoyRequest
#else
#define MAYBE_RedirectDecoyRequest RedirectDecoyRequest
#endif
TEST_F(PrefetchServiceAlwaysMakeDecoyRequestTest, MAYBE_RedirectDecoyRequest) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
service_worker_context_.AddRegistrationToRegisteredStorageKeys(
blink::StorageKey::CreateFromStringForTesting("https://redirect.com"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(
redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {}, GURL("https://redirect.com")));
// The redirect is ineligible, but will be followed since the prefetch is now
// a decoy.
VerifyFollowRedirectParams(1);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchIsPrivacyDecoy));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
PreloadingEligibility::kEligible, PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(PrefetchStatus::kPrefetchIsPrivacyDecoy));
}
class PrefetchServiceHoldbackTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"prefetch_holdback", "true"}}}},
{::features::kPreloadingConfig});
}
};
TEST_F(PrefetchServiceHoldbackTest, PrefetchHeldback) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
// Holdback is checked and set after eligibility.
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchHeldback));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kHoldback,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceIncognitoTest : public PrefetchServiceTest {
protected:
std::unique_ptr<BrowserContext> CreateBrowserContext() override {
auto browser_context = std::make_unique<TestBrowserContext>();
browser_context->set_is_off_the_record(true);
return browser_context;
}
};
TEST_F(PrefetchServiceIncognitoTest, OffTheRecordIneligible) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(
PrefetchStatus::kPrefetchNotEligibleBrowserContextOffTheRecord));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleBrowserContextOffTheRecord),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
TEST_F(PrefetchServiceTest, NonDefaultStoragePartition) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
test_content_browser_client_->UseOffTheRecordContextForStoragePartition(true);
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(RequestCount(), 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 0);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(
PrefetchStatus::kPrefetchNotEligibleNonDefaultStoragePartition));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
ExpectCorrectUkmLogs(
ToPreloadingEligibility(
PrefetchStatus::kPrefetchNotEligibleNonDefaultStoragePartition),
PreloadingHoldbackStatus::kUnspecified,
PreloadingTriggeringOutcome::kUnspecified,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceStreamingURLLoaderTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"use_streaming_url_loader", "true"}}}},
{::features::kPreloadingConfig});
}
};
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_StreamingURLLoaderSuccessCase \
DISABLED_StreamingURLLoaderSuccessCase
#else
#define MAYBE_StreamingURLLoaderSuccessCase StreamingURLLoaderSuccessCase
#endif
TEST_F(PrefetchServiceStreamingURLLoaderTest,
MAYBE_StreamingURLLoaderSuccessCase) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
// Send the head of the navigation. The prefetch should be servable after this
// point. The body of the response will be streaming to the serving URL loader
// as its received.
SendHeadOfResponseAndWait(net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}},
std::size(kHTMLBody));
// Navigate to the URL before the prefetch response is complete.
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
// Check the metrics while the prefetch is still in progress.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotFinishedInTime));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchNotFinishedInTime);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
EXPECT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
// Send the body and completion status of the request, then recheck all of the
// metrics.
SendBodyContentOfResponseAndWait(kHTMLBody);
CompleteResponseAndWait(net::OK, std::size(kHTMLBody));
// Check the metrics now that the prefetch is complete.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
serving_page_metrics = GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceNoVarySearchTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeatures(
{features::kPrefetchUseContentRefactor,
network::features::kPrefetchNoVarySearch},
{::features::kPreloadingConfig});
}
};
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_NoVarySearchSuccessCase DISABLED_NoVarySearchSuccessCase
#else
#define MAYBE_NoVarySearchSuccessCase NoVarySearchSuccessCase
#endif
TEST_F(PrefetchServiceNoVarySearchTest, MAYBE_NoVarySearchSuccessCase) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com/?a=1"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager),
/*referrer_url=*/absl::nullopt,
/*enable_no_vary_search_header=*/true);
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com/?a=1"),
/*use_prefetch_proxy=*/true);
MakeResponseAndWait(
net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}, {"No-Vary-Search", R"(params=("a"))"}},
kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_EQ(serveable_prefetch_container->GetURL(),
GURL("https://example.com/?a=1"));
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceAllowRedirectTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"}}},
{features::kPrefetchRedirects, {}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_PrefetchEligibleRedirect DISABLED_PrefetchEligibleRedirect
#else
#define MAYBE_PrefetchEligibleRedirect PrefetchEligibleRedirect
#endif
TEST_F(PrefetchServiceAllowRedirectTest, MAYBE_PrefetchEligibleRedirect) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(
redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {}, GURL("https://redirect.com")));
VerifyFollowRedirectParams(1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kSuccessRedirectFollowed, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kIsolatedToIsolated, 1);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_TRUE(serveable_prefetch_container);
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.AfterClick.RedirectChainSize", 2, 1);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_IneligibleRedirectCookies DISABLED_IneligibleRedirectCookies
#else
#define MAYBE_IneligibleRedirectCookies IneligibleRedirectCookies
#endif
TEST_F(PrefetchServiceAllowRedirectTest, MAYBE_IneligibleRedirectCookies) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
ASSERT_TRUE(SetCookie(GURL("https://redirect.com"), "testing"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(
redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {}, GURL("https://redirect.com")));
// Since the redirect URL has cookies, it is ineligible for prefetching and
// causes the prefetch to fail. Also since checking if the URL has cookies
// requires mojo, the eligibility check will not complete immediately.
VerifyFollowRedirectParams(0);
histogram_tester.ExpectUniqueSample("PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kFailedIneligible,
1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kIsolatedToIsolated, 1);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedIneligibleRedirect));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.AfterClick.RedirectChainSize", 0);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedIneligibleRedirect));
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_IneligibleRedirectServiceWorker \
DISABLED_IneligibleRedirectServiceWorker
#else
#define MAYBE_IneligibleRedirectServiceWorker IneligibleRedirectServiceWorker
#endif
TEST_F(PrefetchServiceAllowRedirectTest,
MAYBE_IneligibleRedirectServiceWorker) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
service_worker_context_.AddRegistrationToRegisteredStorageKeys(
blink::StorageKey::CreateFromStringForTesting("https://redirect.com"));
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(
redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {}, GURL("https://redirect.com")));
// Since the redirect URL has cookies, it is ineligible for prefetching and
// causes the prefetch to fail. Also the eligibility check should fail
// immediately.
VerifyFollowRedirectParams(0);
histogram_tester.ExpectUniqueSample("PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kFailedIneligible,
1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kIsolatedToIsolated, 1);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedIneligibleRedirect));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.AfterClick.RedirectChainSize", 0);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedIneligibleRedirect));
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_InvalidRedirect DISABLED_InvalidRedirect
#else
#define MAYBE_InvalidRedirect InvalidRedirect
#endif
TEST_F(PrefetchServiceAllowRedirectTest, MAYBE_InvalidRedirect) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
VerifyFollowRedirectParams(0);
// The redirect is considered invalid because it has a non-3XX HTTP code.
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(redirect_info, CreateURLResponseHeadForPrefetch(
net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {},
GURL("https://redirect.com")));
VerifyFollowRedirectParams(0);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kFailedInvalidResponseCode, 1);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Redirect.NetworkContextStateTransition", 0);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedInvalidRedirect));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.AfterClick.RedirectChainSize", 0);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedInvalidRedirect));
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_PrefetchSameOriginEligibleRedirect \
DISABLED_PrefetchSameOriginEligibleRedirect
#else
#define MAYBE_PrefetchSameOriginEligibleRedirect \
PrefetchSameOriginEligibleRedirect
#endif
TEST_F(PrefetchServiceAllowRedirectTest,
MAYBE_PrefetchSameOriginEligibleRedirect) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager),
/*referrer_url=*/GURL("https://example.com/referrer"));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://example.com/redirect");
MakeSingleRedirectAndWait(redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {},
GURL("https://example.com/redirect")));
VerifyFollowRedirectParams(1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kSuccessRedirectFollowed, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kDefaultToDefault, 1);
MakeResponseAndWait(net::HTTP_OK, net::OK, kHTMLMimeType,
/*use_prefetch_proxy=*/false,
{{"X-Testing", "Hello World"}}, kHTMLBody);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_TRUE(serveable_prefetch_container);
ASSERT_TRUE(serveable_prefetch_container);
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.AfterClick.RedirectChainSize", 2, 1);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
// TODO(https://crbug.com/1439986): This test is testing the current
// functionality, and should be removed while fixing this bug.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_IneligibleSameSiteCrossOriginRequiresProxyRedirect \
DISABLED_IneligibleSameSiteCrossOriginRequiresProxyRedirect
#else
#define MAYBE_IneligibleSameSiteCrossOriginRequiresProxyRedirect \
IneligibleSameSiteCrossOriginRequiresProxyRedirect
#endif
TEST_F(PrefetchServiceAllowRedirectTest,
MAYBE_IneligibleSameSiteCrossOriginRequiresProxyRedirect) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager),
/*referrer_url=*/GURL("https://example.com/referrer"));
base::RunLoop().RunUntilIdle();
// The request to the same-origin prefetch URL should ignore the proxy
// requirement, since it only applies to cross-origin prefetches.
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
VerifyFollowRedirectParams(0);
// Redirect to a same-site cross-origin URL. The proxy requirement should
// apply to this URL, and result in the redirect being marked as ineligible,
// because we cannot make same-site cross-origin requests that require the
// proxy.
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://other.example.com/redirect");
MakeSingleRedirectAndWait(redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {},
GURL("https://example.com/redirect")));
VerifyFollowRedirectParams(0);
histogram_tester.ExpectUniqueSample("PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kFailedIneligible,
1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kDefaultToDefault, 1);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(
serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedIneligibleRedirect));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.AfterClick.RedirectChainSize", 0);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedIneligibleRedirect));
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_InvalidNetworkContextTransition \
DISABLED_InvalidNetworkContextTransition
#else
#define MAYBE_InvalidNetworkContextTransition InvalidNetworkContextTransition
#endif
TEST_F(PrefetchServiceAllowRedirectTest,
MAYBE_InvalidNetworkContextTransition) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/false,
/*use_prefetch_proxy=*/false,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/false);
VerifyFollowRedirectParams(0);
net::RedirectInfo redirect_info;
redirect_info.new_method = "GET";
redirect_info.new_url = GURL("https://redirect.com");
MakeSingleRedirectAndWait(
redirect_info,
CreateURLResponseHeadForPrefetch(
net::HTTP_PERMANENT_REDIRECT, kHTMLMimeType,
/*use_prefetch_proxy=*/true, {}, GURL("https://redirect.com")));
VerifyFollowRedirectParams(0);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.Result",
PrefetchRedirectResult::kFailedInvalidChangeInNetworkContext, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Redirect.NetworkContextStateTransition",
PrefetchRedirectNetworkContextTransition::kDefaultToIsolated, 1);
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchFailedInvalidRedirect));
EXPECT_FALSE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.AfterClick.RedirectChainSize", 0);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kFailure,
ToPreloadingFailureReason(
PrefetchStatus::kPrefetchFailedInvalidRedirect));
}
class PrefetchServiceNeverBlockUntilHeadTest : public PrefetchServiceTest {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"block_until_head_eager_prefetch", "false"},
{"block_until_head_moderate_prefetch", "false"},
{"block_until_head_conservative_prefetch", "false"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_HeadNotReceived DISABLED_HeadNotReceived
#else
#define MAYBE_HeadNotReceived HeadNotReceived
#endif
TEST_F(PrefetchServiceNeverBlockUntilHeadTest, MAYBE_HeadNotReceived) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true,
blink::mojom::SpeculationEagerness::kEager));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
// Navigate to the URL before the head of the prefetch response is received.
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
// Since PrefetchService cannot block until headers for this prefetch, it
// should immediately return null.
base::WeakPtr<PrefetchContainer> serveable_prefetch_container =
GetPrefetchToServe(GURL("https://example.com"));
EXPECT_FALSE(serveable_prefetch_container);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.RespCode",
0);
histogram_tester.ExpectTotalCount("PrefetchProxy.Prefetch.Mainframe.NetError",
0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", 0);
histogram_tester.ExpectTotalCount(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", 0);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 0);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchNotFinishedInTime));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_FALSE(serving_page_metrics->prefetch_header_latency);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kRunning,
PreloadingFailureReason::kUnspecified);
}
class PrefetchServiceAlwaysBlockUntilHeadTest
: public PrefetchServiceTest,
public ::testing::WithParamInterface<blink::mojom::SpeculationEagerness> {
public:
void InitScopedFeatureList() override {
scoped_feature_list_.InitWithFeaturesAndParameters(
{{features::kPrefetchUseContentRefactor,
{{"ineligible_decoy_request_probability", "0"},
{"prefetch_container_lifetime_s", "-1"},
{"block_until_head_eager_prefetch", "true"},
{"block_until_head_moderate_prefetch", "true"},
{"block_until_head_conservative_prefetch", "true"}}}},
{network::features::kPrefetchNoVarySearch,
::features::kPreloadingConfig});
}
};
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_BlockUntilHeadReceived DISABLED_BlockUntilHeadReceived
#else
#define MAYBE_BlockUntilHeadReceived BlockUntilHeadReceived
#endif
TEST_P(PrefetchServiceAlwaysBlockUntilHeadTest, MAYBE_BlockUntilHeadReceived) {
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
MakePrefetchOnMainFrame(
GURL("https://example.com"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true, GetParam()));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com"),
/*use_prefetch_proxy=*/true);
// Navigate to the URL before the head of the prefetch response is received
Navigate(GURL("https://example.com"), main_rfh()->GetGlobalId());
// Request the prefetch from the PrefetchService. The given callback shouldn't
// be called until after the head is received.
base::RunLoop get_prefetch_run_loop;
base::WeakPtr<PrefetchContainer> serveable_prefetch_container;
prefetch_service_->GetPrefetchToServe(
PrefetchContainer::Key(main_rfh()->GetGlobalId(),
GURL("https://example.com")),
base::BindOnce(
[](base::WeakPtr<PrefetchContainer>* serveable_prefetch_container,
base::RunLoop* get_prefetch_run_loop,
base::WeakPtr<PrefetchContainer> prefetch_to_serve) {
*serveable_prefetch_container = prefetch_to_serve;
get_prefetch_run_loop->Quit();
},
&serveable_prefetch_container, &get_prefetch_run_loop));
EXPECT_FALSE(serveable_prefetch_container);
// Sends the head of the prefetch response. This should trigger the above
// callback.
SendHeadOfResponseAndWait(net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}},
std::size(kHTMLBody));
get_prefetch_run_loop.Run();
ASSERT_TRUE(serveable_prefetch_container);
// Send the body and completion status of the request,
SendBodyContentOfResponseAndWait(kHTMLBody);
CompleteResponseAndWait(net::OK, std::size(kHTMLBody));
// Check the metrics now that the prefetch is complete.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_NVSBlockUntilHeadReceived DISABLED_NVSBlockUntilHeadReceived
#else
#define MAYBE_NVSBlockUntilHeadReceived NVSBlockUntilHeadReceived
#endif
TEST_P(PrefetchServiceAlwaysBlockUntilHeadTest,
MAYBE_NVSBlockUntilHeadReceived) {
// For this test we need to enable kPrefetchNoVarySearch.
base::test::ScopedFeatureList feature_list;
feature_list.InitWithFeatures({network::features::kPrefetchNoVarySearch}, {});
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
network::mojom::NoVarySearchPtr no_vary_search_hint =
network::mojom::NoVarySearch::New();
no_vary_search_hint->vary_on_key_order = true;
no_vary_search_hint->search_variance =
network::mojom::SearchParamsVariance::NewNoVaryParams(
std::vector<std::string>({"a"}));
MakePrefetchOnMainFrame(
GURL("https://example.com/index.html?a=5"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true, GetParam()),
/* referrer_url */ absl::nullopt,
/* no_vary_search_support */ true,
/* no_vary_search_hint */ std::move(no_vary_search_hint));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com/index.html?a=5"),
/*use_prefetch_proxy=*/true);
// Navigate to the URL before the head of the prefetch response is received
Navigate(GURL("https://example.com/index.html"), main_rfh()->GetGlobalId());
// Request the prefetch from the PrefetchService. The given callback shouldn't
// be called until after the head is received.
base::RunLoop get_prefetch_run_loop;
base::WeakPtr<PrefetchContainer> serveable_prefetch_container;
prefetch_service_->GetPrefetchToServe(
PrefetchContainer::Key(main_rfh()->GetGlobalId(),
GURL("https://example.com/index.html")),
base::BindOnce(
[](base::WeakPtr<PrefetchContainer>* serveable_prefetch_container,
base::RunLoop* get_prefetch_run_loop,
base::WeakPtr<PrefetchContainer> prefetch_to_serve) {
*serveable_prefetch_container = prefetch_to_serve;
get_prefetch_run_loop->Quit();
},
&serveable_prefetch_container, &get_prefetch_run_loop));
EXPECT_FALSE(serveable_prefetch_container);
// Sends the head of the prefetch response. This should trigger the above
// callback.
SendHeadOfResponseAndWait(
net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}, {"No-Vary-Search", "params=(\"a\")"}},
std::size(kHTMLBody));
get_prefetch_run_loop.Run();
ASSERT_TRUE(serveable_prefetch_container);
// Send the body and completion status of the request,
SendBodyContentOfResponseAndWait(kHTMLBody);
CompleteResponseAndWait(net::OK, std::size(kHTMLBody));
// Check the metrics now that the prefetch is complete.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
EXPECT_TRUE(serveable_prefetch_container->HasPrefetchStatus());
EXPECT_EQ(serveable_prefetch_container->GetPrefetchStatus(),
PrefetchStatus::kPrefetchSuccessful);
EXPECT_TRUE(
serveable_prefetch_container->IsPrefetchServable(base::TimeDelta::Max()));
ASSERT_TRUE(serveable_prefetch_container->GetHead());
EXPECT_TRUE(serveable_prefetch_container->GetHead()->was_in_prefetch_cache);
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified,
/*accurate*/ true);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_NVSBlockUntilHeadReceivedNoMatchNoNVSHeader \
DISABLED_NVSBlockUntilHeadReceivedNoMatchNoNVSHeader
#else
#define MAYBE_NVSBlockUntilHeadReceivedNoMatchNoNVSHeader \
NVSBlockUntilHeadReceivedNoMatchNoMatchNoNVSHeader
#endif
TEST_P(PrefetchServiceAlwaysBlockUntilHeadTest,
MAYBE_NVSBlockUntilHeadReceivedNoMatchNoNVSHeader) {
// For this test we need to enable kPrefetchNoVarySearch.
base::test::ScopedFeatureList feature_list;
feature_list.InitWithFeatures({network::features::kPrefetchNoVarySearch}, {});
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
network::mojom::NoVarySearchPtr no_vary_search_hint =
network::mojom::NoVarySearch::New();
no_vary_search_hint->vary_on_key_order = true;
no_vary_search_hint->search_variance =
network::mojom::SearchParamsVariance::NewNoVaryParams(
std::vector<std::string>({"a"}));
MakePrefetchOnMainFrame(
GURL("https://example.com/index.html?a=5"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true, GetParam()),
/* referrer_url */ absl::nullopt,
/* no_vary_search_support */ true,
/* no_vary_search_hint */ std::move(no_vary_search_hint));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com/index.html?a=5"),
/*use_prefetch_proxy=*/true);
// Navigate to the URL before the head of the prefetch response is received
Navigate(GURL("https://example.com/index.html"), main_rfh()->GetGlobalId());
// Request the prefetch from the PrefetchService. The given callback shouldn't
// be called until after the head is received.
base::RunLoop get_prefetch_run_loop;
bool is_nav_unblocked = false;
prefetch_service_->GetPrefetchToServe(
PrefetchContainer::Key(main_rfh()->GetGlobalId(),
GURL("https://example.com/index.html")),
base::BindOnce(
[](bool* is_nav_unblocked, base::RunLoop* get_prefetch_run_loop,
base::WeakPtr<PrefetchContainer> prefetch_to_serve) {
*is_nav_unblocked = !prefetch_to_serve;
get_prefetch_run_loop->Quit();
},
&is_nav_unblocked, &get_prefetch_run_loop));
EXPECT_FALSE(is_nav_unblocked);
// Sends the head of the prefetch response. This should trigger the above
// callback with a nullptr argument.
SendHeadOfResponseAndWait(net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}},
std::size(kHTMLBody));
get_prefetch_run_loop.Run();
ASSERT_TRUE(is_nav_unblocked);
// Send the body and completion status of the request,
SendBodyContentOfResponseAndWait(kHTMLBody);
CompleteResponseAndWait(net::OK, std::size(kHTMLBody));
// Check the metrics now that the prefetch is complete.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified,
/*accurate*/ false);
}
// TODO(crbug.com/1396460): Test flaky on lacros trybots.
#if BUILDFLAG(IS_CHROMEOS)
#define MAYBE_NVSBlockUntilHeadReceivedNoMatchByNVSHeader \
DISABLED_NVSBlockUntilHeadReceivedNoMatchByNVSHeader
#else
#define MAYBE_NVSBlockUntilHeadReceivedNoMatchByNVSHeader \
NVSBlockUntilHeadReceivedNoMatchNoMatchByNVSHeader
#endif
TEST_P(PrefetchServiceAlwaysBlockUntilHeadTest,
MAYBE_NVSBlockUntilHeadReceivedNoMatchByNVSHeader) {
// For this test we need to enable kPrefetchNoVarySearch.
base::test::ScopedFeatureList feature_list;
feature_list.InitWithFeatures({network::features::kPrefetchNoVarySearch}, {});
base::HistogramTester histogram_tester;
MakePrefetchService(
std::make_unique<testing::NiceMock<MockPrefetchServiceDelegate>>());
network::mojom::NoVarySearchPtr no_vary_search_hint =
network::mojom::NoVarySearch::New();
no_vary_search_hint->vary_on_key_order = true;
no_vary_search_hint->search_variance =
network::mojom::SearchParamsVariance::NewNoVaryParams(
std::vector<std::string>({"a"}));
MakePrefetchOnMainFrame(
GURL("https://example.com/index.html?a=5"),
PrefetchType(/*use_isolated_network_context=*/true,
/*use_prefetch_proxy=*/true, GetParam()),
/* referrer_url */ absl::nullopt,
/* no_vary_search_support */ true,
/* no_vary_search_hint */ std::move(no_vary_search_hint));
base::RunLoop().RunUntilIdle();
VerifyCommonRequestState(GURL("https://example.com/index.html?a=5"),
/*use_prefetch_proxy=*/true);
// Navigate to the URL before the head of the prefetch response is received
Navigate(GURL("https://example.com/index.html"), main_rfh()->GetGlobalId());
// Request the prefetch from the PrefetchService. The given callback shouldn't
// be called until after the head is received.
base::RunLoop get_prefetch_run_loop;
bool is_nav_unblocked = false;
prefetch_service_->GetPrefetchToServe(
PrefetchContainer::Key(main_rfh()->GetGlobalId(),
GURL("https://example.com/index.html")),
base::BindOnce(
[](bool* is_nav_unblocked, base::RunLoop* get_prefetch_run_loop,
base::WeakPtr<PrefetchContainer> prefetch_to_serve) {
*is_nav_unblocked = !prefetch_to_serve;
get_prefetch_run_loop->Quit();
},
&is_nav_unblocked, &get_prefetch_run_loop));
EXPECT_FALSE(is_nav_unblocked);
// Sends the head of the prefetch response. This should trigger the above
// callback with a nullptr argument.
SendHeadOfResponseAndWait(
net::HTTP_OK, kHTMLMimeType,
/*use_prefetch_proxy=*/true,
{{"X-Testing", "Hello World"}, {"No-Vary-Search", "params=(\"b\")"}},
std::size(kHTMLBody));
get_prefetch_run_loop.Run();
ASSERT_TRUE(is_nav_unblocked);
// Send the body and completion status of the request,
SendBodyContentOfResponseAndWait(kHTMLBody);
CompleteResponseAndWait(net::OK, std::size(kHTMLBody));
// Check the metrics now that the prefetch is complete.
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.ExistingPrefetchWithMatchingURL", false, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.RespCode", net::HTTP_OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.NetError", net::OK, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.BodyLength", std::size(kHTMLBody), 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.TotalTime", kTotalTimeDuration, 1);
histogram_tester.ExpectUniqueSample(
"PrefetchProxy.Prefetch.Mainframe.ConnectTime", kConnectTimeDuration, 1);
absl::optional<PrefetchReferringPageMetrics> referring_page_metrics =
PrefetchReferringPageMetrics::GetForCurrentDocument(main_rfh());
EXPECT_EQ(referring_page_metrics->prefetch_attempted_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_eligible_count, 1);
EXPECT_EQ(referring_page_metrics->prefetch_successful_count, 1);
absl::optional<PrefetchServingPageMetrics> serving_page_metrics =
GetMetricsForMostRecentNavigation();
ASSERT_TRUE(serving_page_metrics);
EXPECT_TRUE(serving_page_metrics->prefetch_status);
EXPECT_EQ(serving_page_metrics->prefetch_status.value(),
static_cast<int>(PrefetchStatus::kPrefetchSuccessful));
EXPECT_TRUE(serving_page_metrics->required_private_prefetch_proxy);
EXPECT_TRUE(serving_page_metrics->same_tab_as_prefetching_tab);
EXPECT_TRUE(serving_page_metrics->prefetch_header_latency);
EXPECT_EQ(serving_page_metrics->prefetch_header_latency.value(),
base::Milliseconds(kHeaderLatency));
ExpectCorrectUkmLogs(PreloadingEligibility::kEligible,
PreloadingHoldbackStatus::kAllowed,
PreloadingTriggeringOutcome::kReady,
PreloadingFailureReason::kUnspecified,
/*accurate*/ false);
}
INSTANTIATE_TEST_SUITE_P(
ParametrizedTests,
PrefetchServiceAlwaysBlockUntilHeadTest,
testing::Values(blink::mojom::SpeculationEagerness::kModerate,
blink::mojom::SpeculationEagerness::kConservative));
} // namespace
} // namespace content