| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/ntp_snippets/remote/remote_suggestions_fetcher.h" |
| |
| #include <deque> |
| #include <map> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/json/json_reader.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/test/histogram_tester.h" |
| #include "base/test/test_mock_time_task_runner.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/default_clock.h" |
| #include "base/time/time.h" |
| #include "base/values.h" |
| #include "components/ntp_snippets/category.h" |
| #include "components/ntp_snippets/features.h" |
| #include "components/ntp_snippets/ntp_snippets_constants.h" |
| #include "components/ntp_snippets/remote/remote_suggestion.h" |
| #include "components/ntp_snippets/remote/request_params.h" |
| #include "components/ntp_snippets/remote/test_utils.h" |
| #include "components/ntp_snippets/user_classifier.h" |
| #include "components/prefs/testing_pref_service.h" |
| #include "components/signin/core/browser/fake_profile_oauth2_token_service.h" |
| #include "components/signin/core/browser/fake_signin_manager.h" |
| #include "components/variations/entropy_provider.h" |
| #include "components/variations/variations_params_manager.h" |
| #include "google_apis/gaia/fake_oauth2_token_service_delegate.h" |
| #include "net/url_request/test_url_fetcher_factory.h" |
| #include "net/url_request/url_request_test_util.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace ntp_snippets { |
| |
| namespace { |
| |
| using testing::_; |
| using testing::AllOf; |
| using testing::ElementsAre; |
| using testing::Eq; |
| using testing::IsEmpty; |
| using testing::Not; |
| using testing::NotNull; |
| using testing::StartsWith; |
| |
| const char kAPIKey[] = "fakeAPIkey"; |
| const char kTestChromeContentSuggestionsSignedOutUrl[] = |
| "https://chromecontentsuggestions-pa.googleapis.com/v1/suggestions/" |
| "fetch?key=fakeAPIkey"; |
| const char kTestChromeContentSuggestionsSignedInUrl[] = |
| "https://chromecontentsuggestions-pa.googleapis.com/v1/suggestions/fetch"; |
| |
| const char kTestEmail[] = "foo@bar.com"; |
| |
| // Artificial time delay for JSON parsing. |
| const int64_t kTestJsonParsingLatencyMs = 20; |
| |
| ACTION_P(MoveArgument1PointeeTo, ptr) { |
| *ptr = std::move(*arg1); |
| } |
| |
| MATCHER(HasValue, "") { |
| return static_cast<bool>(*arg); |
| } |
| |
| // TODO(fhorschig): When there are more helpers for the Status class, consider a |
| // helpers file. |
| MATCHER_P(HasCode, code, "") { |
| return arg.code == code; |
| } |
| |
| MATCHER(IsSuccess, "") { |
| return arg.IsSuccess(); |
| } |
| |
| MATCHER(IsEmptyCategoriesList, "is an empty list of categories") { |
| RemoteSuggestionsFetcher::OptionalFetchedCategories& fetched_categories = |
| *arg; |
| return fetched_categories && fetched_categories->empty(); |
| } |
| |
| MATCHER(IsEmptyArticleList, "is an empty list of articles") { |
| RemoteSuggestionsFetcher::OptionalFetchedCategories& fetched_categories = |
| *arg; |
| return fetched_categories && fetched_categories->size() == 1 && |
| fetched_categories->begin()->suggestions.empty(); |
| } |
| |
| MATCHER_P(IsSingleArticle, url, "is a list with the single article %(url)s") { |
| RemoteSuggestionsFetcher::OptionalFetchedCategories& fetched_categories = |
| *arg; |
| if (!fetched_categories) { |
| *result_listener << "got empty categories."; |
| return false; |
| } |
| if (fetched_categories->size() != 1) { |
| *result_listener << "expected single category."; |
| return false; |
| } |
| auto category = fetched_categories->begin(); |
| if (category->suggestions.size() != 1) { |
| *result_listener << "expected single snippet, got: " |
| << category->suggestions.size(); |
| return false; |
| } |
| if (category->suggestions[0]->url().spec() != url) { |
| *result_listener << "unexpected url, got: " |
| << category->suggestions[0]->url().spec(); |
| return false; |
| } |
| return true; |
| } |
| |
| MATCHER(IsCategoryInfoForArticles, "") { |
| if (arg.additional_action() != ContentSuggestionsAdditionalAction::FETCH) { |
| *result_listener << "missing expected FETCH action"; |
| return false; |
| } |
| if (!arg.show_if_empty()) { |
| *result_listener << "missing expected show_if_empty"; |
| return false; |
| } |
| return true; |
| } |
| |
| MATCHER_P(FirstCategoryHasInfo, info_matcher, "") { |
| if (!arg->has_value() || arg->value().size() == 0) { |
| *result_listener << "No category found."; |
| } |
| return testing::ExplainMatchResult(info_matcher, arg->value().front().info, |
| result_listener); |
| } |
| |
| class MockSnippetsAvailableCallback { |
| public: |
| // Workaround for gMock's lack of support for movable arguments. |
| void WrappedRun( |
| Status status, |
| RemoteSuggestionsFetcher::OptionalFetchedCategories fetched_categories) { |
| Run(status, &fetched_categories); |
| } |
| |
| MOCK_METHOD2(Run, |
| void(Status status, |
| RemoteSuggestionsFetcher::OptionalFetchedCategories* |
| fetched_categories)); |
| }; |
| |
| // TODO(fhorschig): Transfer this class' functionality to call delegates |
| // automatically as option to TestURLFetcherFactory where it was just deleted. |
| // This can be represented as a single member there and would reduce the amount |
| // of fake implementations from three to two. |
| |
| // DelegateCallingTestURLFetcherFactory can be used to temporarily inject |
| // TestURLFetcher instances into a scope. |
| // Client code can access the last created fetcher to verify expected |
| // properties. When the factory gets destroyed, all available delegates of still |
| // valid fetchers will be called. |
| // This ensures once-bound callbacks (like SnippetsAvailableCallback) will be |
| // called at some point and are not leaked. |
| class DelegateCallingTestURLFetcherFactory |
| : public net::TestURLFetcherFactory, |
| public net::TestURLFetcherDelegateForTests { |
| public: |
| DelegateCallingTestURLFetcherFactory() { |
| SetDelegateForTests(this); |
| set_remove_fetcher_on_delete(true); |
| } |
| |
| ~DelegateCallingTestURLFetcherFactory() override { |
| while (!fetchers_.empty()) { |
| DropAndCallDelegate(fetchers_.front()); |
| } |
| } |
| |
| std::unique_ptr<net::URLFetcher> CreateURLFetcher( |
| int id, |
| const GURL& url, |
| net::URLFetcher::RequestType request_type, |
| net::URLFetcherDelegate* d) override { |
| if (GetFetcherByID(id)) { |
| LOG(WARNING) << "The ID " << id << " was already assigned to a fetcher." |
| << "Its delegate will thereforde be called right now."; |
| DropAndCallDelegate(id); |
| } |
| fetchers_.push_back(id); |
| return TestURLFetcherFactory::CreateURLFetcher(id, url, request_type, d); |
| } |
| |
| // Returns the raw pointer of the last created URL fetcher. |
| // If it was destroyed or no fetcher was created, it will return a nulltpr. |
| net::TestURLFetcher* GetLastCreatedFetcher() { |
| if (fetchers_.empty()) { |
| return nullptr; |
| } |
| return GetFetcherByID(fetchers_.front()); |
| } |
| |
| private: |
| // The fetcher can either be destroyed because the delegate was called during |
| // execution or because we called it on destruction. |
| void DropAndCallDelegate(int fetcher_id) { |
| auto found_id_iter = |
| std::find(fetchers_.begin(), fetchers_.end(), fetcher_id); |
| if (found_id_iter == fetchers_.end()) { |
| return; |
| } |
| fetchers_.erase(found_id_iter); |
| net::TestURLFetcher* fetcher = GetFetcherByID(fetcher_id); |
| if (!fetcher->delegate()) { |
| return; |
| } |
| fetcher->delegate()->OnURLFetchComplete(fetcher); |
| } |
| |
| // net::TestURLFetcherDelegateForTests overrides: |
| void OnRequestStart(int fetcher_id) override {} |
| void OnChunkUpload(int fetcher_id) override {} |
| void OnRequestEnd(int fetcher_id) override { |
| DropAndCallDelegate(fetcher_id); |
| } |
| |
| std::deque<int> fetchers_; // std::queue doesn't support std::find. |
| }; |
| |
| // Factory for FakeURLFetcher objects that always generate errors. |
| class FailingFakeURLFetcherFactory : public net::URLFetcherFactory { |
| public: |
| std::unique_ptr<net::URLFetcher> CreateURLFetcher( |
| int id, |
| const GURL& url, |
| net::URLFetcher::RequestType request_type, |
| net::URLFetcherDelegate* d) override { |
| return base::MakeUnique<net::FakeURLFetcher>( |
| url, d, /*response_data=*/std::string(), net::HTTP_NOT_FOUND, |
| net::URLRequestStatus::FAILED); |
| } |
| }; |
| |
| void ParseJson(const std::string& json, |
| const SuccessCallback& success_callback, |
| const ErrorCallback& error_callback) { |
| base::JSONReader json_reader; |
| std::unique_ptr<base::Value> value = json_reader.ReadToValue(json); |
| if (value) { |
| success_callback.Run(std::move(value)); |
| } else { |
| error_callback.Run(json_reader.GetErrorMessage()); |
| } |
| } |
| |
| void ParseJsonDelayed(const std::string& json, |
| const SuccessCallback& success_callback, |
| const ErrorCallback& error_callback) { |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&ParseJson, json, std::move(success_callback), |
| std::move(error_callback)), |
| base::TimeDelta::FromMilliseconds(kTestJsonParsingLatencyMs)); |
| } |
| |
| } // namespace |
| |
| class RemoteSuggestionsFetcherTestBase : public testing::Test { |
| public: |
| explicit RemoteSuggestionsFetcherTestBase(const GURL& gurl) |
| : default_variation_params_( |
| {{"send_top_languages", "true"}, {"send_user_class", "true"}}), |
| params_manager_(ntp_snippets::kArticleSuggestionsFeature.name, |
| default_variation_params_, |
| {ntp_snippets::kArticleSuggestionsFeature.name}), |
| mock_task_runner_(new base::TestMockTimeTaskRunner()), |
| mock_task_runner_handle_(mock_task_runner_), |
| test_url_(gurl) { |
| UserClassifier::RegisterProfilePrefs(utils_.pref_service()->registry()); |
| user_classifier_ = base::MakeUnique<UserClassifier>( |
| utils_.pref_service(), base::MakeUnique<base::DefaultClock>()); |
| // Increase initial time such that ticks are non-zero. |
| mock_task_runner_->FastForwardBy(base::TimeDelta::FromMilliseconds(1234)); |
| ResetFetcher(); |
| } |
| |
| void ResetFetcher() { ResetFetcherWithAPIKey(kAPIKey); } |
| |
| void ResetFetcherWithAPIKey(const std::string& api_key) { |
| scoped_refptr<net::TestURLRequestContextGetter> request_context_getter = |
| new net::TestURLRequestContextGetter(mock_task_runner_.get()); |
| |
| fake_token_service_ = base::MakeUnique<FakeProfileOAuth2TokenService>( |
| base::MakeUnique<FakeOAuth2TokenServiceDelegate>( |
| request_context_getter.get())); |
| |
| fetcher_ = base::MakeUnique<RemoteSuggestionsFetcher>( |
| utils_.fake_signin_manager(), fake_token_service_.get(), |
| std::move(request_context_getter), utils_.pref_service(), nullptr, |
| base::Bind(&ParseJsonDelayed), |
| GetFetchEndpoint(version_info::Channel::STABLE), api_key, |
| user_classifier_.get()); |
| |
| fetcher_->SetClockForTesting(mock_task_runner_->GetMockClock()); |
| } |
| |
| void SignIn() { utils_.fake_signin_manager()->SignIn(kTestEmail); } |
| |
| void IssueRefreshToken() { |
| fake_token_service_->GetDelegate()->UpdateCredentials(kTestEmail, "token"); |
| } |
| |
| void IssueOAuth2Token() { |
| fake_token_service_->IssueAllTokensForAccount(kTestEmail, "access_token", |
| base::Time::Max()); |
| } |
| |
| void CancelOAuth2TokenRequests() { |
| fake_token_service_->IssueErrorForAllPendingRequestsForAccount( |
| kTestEmail, GoogleServiceAuthError( |
| GoogleServiceAuthError::State::REQUEST_CANCELED)); |
| } |
| |
| RemoteSuggestionsFetcher::SnippetsAvailableCallback |
| ToSnippetsAvailableCallback(MockSnippetsAvailableCallback* callback) { |
| return base::BindOnce(&MockSnippetsAvailableCallback::WrappedRun, |
| base::Unretained(callback)); |
| } |
| |
| RemoteSuggestionsFetcher& fetcher() { return *fetcher_; } |
| MockSnippetsAvailableCallback& mock_callback() { return mock_callback_; } |
| void FastForwardUntilNoTasksRemain() { |
| mock_task_runner_->FastForwardUntilNoTasksRemain(); |
| } |
| base::HistogramTester& histogram_tester() { return histogram_tester_; } |
| |
| RequestParams test_params() { |
| RequestParams result; |
| result.count_to_fetch = 1; |
| result.interactive_request = true; |
| return result; |
| } |
| |
| void InitFakeURLFetcherFactory() { |
| if (fake_url_fetcher_factory_) { |
| return; |
| } |
| // Instantiation of factory automatically sets itself as URLFetcher's |
| // factory. |
| fake_url_fetcher_factory_.reset(new net::FakeURLFetcherFactory( |
| /*default_factory=*/&failing_url_fetcher_factory_)); |
| } |
| |
| void SetVariationParam(std::string param_name, std::string value) { |
| std::map<std::string, std::string> params = default_variation_params_; |
| params[param_name] = value; |
| |
| params_manager_.ClearAllVariationParams(); |
| params_manager_.SetVariationParamsWithFeatureAssociations( |
| ntp_snippets::kArticleSuggestionsFeature.name, params, |
| {ntp_snippets::kArticleSuggestionsFeature.name}); |
| } |
| |
| void SetFakeResponse(const std::string& response_data, |
| net::HttpStatusCode response_code, |
| net::URLRequestStatus::Status status) { |
| InitFakeURLFetcherFactory(); |
| fake_url_fetcher_factory_->SetFakeResponse(test_url_, response_data, |
| response_code, status); |
| } |
| |
| protected: |
| std::map<std::string, std::string> default_variation_params_; |
| |
| private: |
| test::RemoteSuggestionsTestUtils utils_; |
| variations::testing::VariationParamsManager params_manager_; |
| scoped_refptr<base::TestMockTimeTaskRunner> mock_task_runner_; |
| base::ThreadTaskRunnerHandle mock_task_runner_handle_; |
| FailingFakeURLFetcherFactory failing_url_fetcher_factory_; |
| // Initialized lazily in SetFakeResponse(). |
| std::unique_ptr<net::FakeURLFetcherFactory> fake_url_fetcher_factory_; |
| std::unique_ptr<FakeProfileOAuth2TokenService> fake_token_service_; |
| std::unique_ptr<RemoteSuggestionsFetcher> fetcher_; |
| std::unique_ptr<UserClassifier> user_classifier_; |
| MockSnippetsAvailableCallback mock_callback_; |
| const GURL test_url_; |
| base::HistogramTester histogram_tester_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RemoteSuggestionsFetcherTestBase); |
| }; |
| |
| class RemoteSuggestionsSignedOutFetcherTest |
| : public RemoteSuggestionsFetcherTestBase { |
| public: |
| RemoteSuggestionsSignedOutFetcherTest() |
| : RemoteSuggestionsFetcherTestBase( |
| GURL(kTestChromeContentSuggestionsSignedOutUrl)) {} |
| }; |
| |
| // TODO(jkrcal): Investigate whether the "authentication in progress" case can |
| // ever happen (see discussion on https://codereview.chromium.org/2582573002), |
| // and if so, add unit-tests for it. This will require more changes (instead of |
| // FakeSigninManagerBase use FakeSigninManager which does not exist on |
| // ChromeOS). crbug.com/688310 |
| class RemoteSuggestionsSignedInFetcherTest |
| : public RemoteSuggestionsFetcherTestBase { |
| public: |
| RemoteSuggestionsSignedInFetcherTest() |
| : RemoteSuggestionsFetcherTestBase( |
| GURL(kTestChromeContentSuggestionsSignedInUrl)) {} |
| }; |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldNotFetchOnCreation) { |
| // The lack of registered baked in responses would cause any fetch to fail. |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| IsEmpty()); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| IsEmpty()); |
| EXPECT_THAT(fetcher().last_status(), IsEmpty()); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldFetchSuccessfully) { |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foobar\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foobar\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foobar.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), |
| Run(IsSuccess(), |
| AllOf(IsSingleArticle("http://localhost/foobar"), |
| FirstCategoryHasInfo(IsCategoryInfoForArticles())))); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedInFetcherTest, ShouldFetchSuccessfully) { |
| SignIn(); |
| IssueRefreshToken(); |
| |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foobar\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foobar\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foobar.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), |
| Run(IsSuccess(), |
| AllOf(IsSingleArticle("http://localhost/foobar"), |
| FirstCategoryHasInfo(IsCategoryInfoForArticles())))); |
| |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| |
| IssueOAuth2Token(); |
| // Wait for the fake response. |
| FastForwardUntilNoTasksRemain(); |
| |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedInFetcherTest, ShouldRetryWhenOAuthCancelled) { |
| SignIn(); |
| IssueRefreshToken(); |
| |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foobar\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foobar\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foobar.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), |
| Run(IsSuccess(), |
| AllOf(IsSingleArticle("http://localhost/foobar"), |
| FirstCategoryHasInfo(IsCategoryInfoForArticles())))); |
| |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| |
| CancelOAuth2TokenRequests(); |
| IssueOAuth2Token(); |
| // Wait for the fake response. |
| FastForwardUntilNoTasksRemain(); |
| |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, EmptyCategoryIsOK) { |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), IsEmptyArticleList())); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ServerCategories) { |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foobar\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foobar\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foobar.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}, {" |
| " \"id\": 2," |
| " \"localizedTitle\": \"Articles for Me\"," |
| " \"allowFetchingMoreResults\": true," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foo2\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foo2\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foo2.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| RemoteSuggestionsFetcher::OptionalFetchedCategories fetched_categories; |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), _)) |
| .WillOnce(MoveArgument1PointeeTo(&fetched_categories)); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| |
| ASSERT_TRUE(fetched_categories); |
| ASSERT_THAT(fetched_categories->size(), Eq(2u)); |
| for (const auto& category : *fetched_categories) { |
| const auto& articles = category.suggestions; |
| if (category.category.IsKnownCategory(KnownCategories::ARTICLES)) { |
| ASSERT_THAT(articles.size(), Eq(1u)); |
| EXPECT_THAT(articles[0]->url().spec(), Eq("http://localhost/foobar")); |
| EXPECT_THAT(category.info, IsCategoryInfoForArticles()); |
| } else if (category.category == Category::FromRemoteCategory(2)) { |
| ASSERT_THAT(articles.size(), Eq(1u)); |
| EXPECT_THAT(articles[0]->url().spec(), Eq("http://localhost/foo2")); |
| EXPECT_THAT(category.info.additional_action(), |
| Eq(ContentSuggestionsAdditionalAction::FETCH)); |
| EXPECT_THAT(category.info.show_if_empty(), Eq(false)); |
| } else { |
| FAIL() << "unknown category ID " << category.category.id(); |
| } |
| } |
| |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, |
| SupportMissingAllowFetchingMoreResultsOption) { |
| // This tests makes sure we handle the missing option although it's required |
| // by the interface. It's just that the Service doesn't follow that |
| // requirement (yet). TODO(tschumann): remove this test once not needed |
| // anymore. |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 2," |
| " \"localizedTitle\": \"Articles for Me\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foo2\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foo2\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foo2.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| RemoteSuggestionsFetcher::OptionalFetchedCategories fetched_categories; |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), _)) |
| .WillOnce(MoveArgument1PointeeTo(&fetched_categories)); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| |
| ASSERT_TRUE(fetched_categories); |
| ASSERT_THAT(fetched_categories->size(), Eq(1u)); |
| EXPECT_THAT(fetched_categories->front().info.additional_action(), |
| Eq(ContentSuggestionsAdditionalAction::NONE)); |
| EXPECT_THAT(fetched_categories->front().info.title(), |
| Eq(base::UTF8ToUTF16("Articles for Me"))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ExclusiveCategoryOnly) { |
| const std::string kJsonStr = |
| "{\"categories\" : [{" |
| " \"id\": 1," |
| " \"localizedTitle\": \"Articles for You\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foobar\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foobar\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foobar.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}, {" |
| " \"id\": 2," |
| " \"localizedTitle\": \"Articles for Me\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foo2\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foo2\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foo2.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}, {" |
| " \"id\": 3," |
| " \"localizedTitle\": \"Articles for Anybody\"," |
| " \"suggestions\" : [{" |
| " \"ids\" : [\"http://localhost/foo3\"]," |
| " \"title\" : \"Foo Barred from Baz\"," |
| " \"snippet\" : \"...\"," |
| " \"fullPageUrl\" : \"http://localhost/foo3\"," |
| " \"creationTime\" : \"2016-06-30T11:01:37.000Z\"," |
| " \"expirationTime\" : \"2016-07-01T11:01:37.000Z\"," |
| " \"attribution\" : \"Foo News\"," |
| " \"imageUrl\" : \"http://localhost/foo3.jpg\"," |
| " \"ampUrl\" : \"http://localhost/amp\"," |
| " \"faviconUrl\" : \"http://localhost/favicon.ico\" " |
| " }]" |
| "}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| RemoteSuggestionsFetcher::OptionalFetchedCategories fetched_categories; |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), _)) |
| .WillOnce(MoveArgument1PointeeTo(&fetched_categories)); |
| |
| RequestParams params = test_params(); |
| params.exclusive_category = |
| base::Optional<Category>(Category::FromRemoteCategory(2)); |
| |
| fetcher().FetchSnippets(params, |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| |
| ASSERT_TRUE(fetched_categories); |
| ASSERT_THAT(fetched_categories->size(), Eq(1u)); |
| const auto& category = (*fetched_categories)[0]; |
| EXPECT_THAT(category.category.id(), Eq(Category::FromRemoteCategory(2).id())); |
| ASSERT_THAT(category.suggestions.size(), Eq(1u)); |
| EXPECT_THAT(category.suggestions[0]->url().spec(), |
| Eq("http://localhost/foo2")); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldNotFetchWithoutApiKey) { |
| ResetFetcherWithAPIKey(std::string()); |
| |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::PERMANENT_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| |
| EXPECT_THAT(fetcher().last_status(), Eq("No API key available.")); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| IsEmpty()); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| IsEmpty()); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, |
| ShouldFetchSuccessfullyEmptyList) { |
| const std::string kJsonStr = "{\"categories\": []}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), IsEmptyCategoriesList())); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_status(), Eq("OK")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/0, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, RetryOnInteractiveRequests) { |
| DelegateCallingTestURLFetcherFactory fetcher_factory; |
| RequestParams params = test_params(); |
| params.interactive_request = true; |
| |
| fetcher().FetchSnippets(params, |
| ToSnippetsAvailableCallback(&mock_callback())); |
| |
| net::TestURLFetcher* fetcher = fetcher_factory.GetLastCreatedFetcher(); |
| ASSERT_THAT(fetcher, NotNull()); |
| EXPECT_THAT(fetcher->GetMaxRetriesOn5xx(), Eq(2)); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, |
| RetriesConfigurableOnNonInteractiveRequests) { |
| struct ExpectationForVariationParam { |
| std::string param_value; |
| int expected_value; |
| std::string description; |
| }; |
| const std::vector<ExpectationForVariationParam> retry_config_expectation = { |
| {"", 0, "Do not retry by default"}, |
| {"0", 0, "Do not retry on param value 0"}, |
| {"-1", 0, "Do not retry on negative param values."}, |
| {"4", 4, "Retry as set in param value."}}; |
| |
| RequestParams params = test_params(); |
| params.interactive_request = false; |
| |
| for (const auto& retry_config : retry_config_expectation) { |
| DelegateCallingTestURLFetcherFactory fetcher_factory; |
| SetVariationParam("background_5xx_retries_count", retry_config.param_value); |
| |
| fetcher().FetchSnippets(params, |
| ToSnippetsAvailableCallback(&mock_callback())); |
| |
| net::TestURLFetcher* fetcher = fetcher_factory.GetLastCreatedFetcher(); |
| ASSERT_THAT(fetcher, NotNull()); |
| EXPECT_THAT(fetcher->GetMaxRetriesOn5xx(), Eq(retry_config.expected_value)) |
| << retry_config.description; |
| } |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldReportUrlStatusError) { |
| SetFakeResponse(/*response_data=*/std::string(), net::HTTP_NOT_FOUND, |
| net::URLRequestStatus::FAILED); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_status(), Eq("URLRequestStatus error -2")); |
| EXPECT_THAT(fetcher().last_json(), IsEmpty()); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/2, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/-2, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| Not(IsEmpty())); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldReportHttpError) { |
| SetFakeResponse(/*response_data=*/std::string(), net::HTTP_NOT_FOUND, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_json(), IsEmpty()); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/3, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/404, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| Not(IsEmpty())); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldReportJsonError) { |
| const std::string kInvalidJsonStr = "{ \"recos\": []"; |
| SetFakeResponse(/*response_data=*/kInvalidJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_status(), |
| StartsWith("Received invalid JSON (error ")); |
| EXPECT_THAT(fetcher().last_json(), Eq(kInvalidJsonStr)); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/4, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, |
| ShouldReportJsonErrorForEmptyResponse) { |
| SetFakeResponse(/*response_data=*/std::string(), net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_json(), std::string()); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/4, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldReportInvalidListError) { |
| const std::string kJsonStr = |
| "{\"recos\": [{ \"contentInfo\": { \"foo\" : \"bar\" }}]}"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT(fetcher().last_json(), Eq(kJsonStr)); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/5, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/1))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| Not(IsEmpty())); |
| } |
| |
| // This test actually verifies that the test setup itself is sane, to prevent |
| // hard-to-reproduce test failures. |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, |
| ShouldReportHttpErrorForMissingBakedResponse) { |
| InitFakeURLFetcherFactory(); |
| EXPECT_CALL(mock_callback(), Run(HasCode(StatusCode::TEMPORARY_ERROR), |
| /*snippets=*/Not(HasValue()))) |
| .Times(1); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| } |
| |
| TEST_F(RemoteSuggestionsSignedOutFetcherTest, ShouldProcessConcurrentFetches) { |
| const std::string kJsonStr = "{ \"categories\": [] }"; |
| SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK, |
| net::URLRequestStatus::SUCCESS); |
| EXPECT_CALL(mock_callback(), Run(IsSuccess(), IsEmptyCategoriesList())) |
| .Times(5); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| // More calls to FetchSnippets() do not interrupt the previous. |
| // Callback is expected to be called once each time. |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| fetcher().FetchSnippets(test_params(), |
| ToSnippetsAvailableCallback(&mock_callback())); |
| FastForwardUntilNoTasksRemain(); |
| EXPECT_THAT( |
| histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchResult"), |
| ElementsAre(base::Bucket(/*min=*/0, /*count=*/5))); |
| EXPECT_THAT(histogram_tester().GetAllSamples( |
| "NewTabPage.Snippets.FetchHttpResponseOrErrorCode"), |
| ElementsAre(base::Bucket(/*min=*/200, /*count=*/5))); |
| EXPECT_THAT(histogram_tester().GetAllSamples("NewTabPage.Snippets.FetchTime"), |
| ElementsAre(base::Bucket(/*min=*/kTestJsonParsingLatencyMs, |
| /*count=*/5))); |
| } |
| |
| ::std::ostream& operator<<( |
| ::std::ostream& os, |
| const RemoteSuggestionsFetcher::OptionalFetchedCategories& |
| fetched_categories) { |
| if (fetched_categories) { |
| // Matchers above aren't any more precise than this, so this is sufficient |
| // for test-failure diagnostics. |
| return os << "list with " << fetched_categories->size() << " elements"; |
| } |
| return os << "null"; |
| } |
| |
| } // namespace ntp_snippets |
