| // 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 <string_view> |
| |
| #include "base/base64.h" |
| #include "base/compiler_specific.h" |
| #include "base/containers/span.h" |
| #include "base/metrics/crc32.h" |
| #include "base/test/metrics/histogram_tester.h" |
| #include "build/build_config.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_finder.h" |
| #include "chrome/browser/ui/browser_window.h" |
| #include "chrome/browser/ui/web_applications/test/web_app_browsertest_util.h" |
| #include "chrome/browser/web_applications/test/os_integration_test_override_impl.h" |
| #include "chrome/browser/web_applications/test/web_app_icon_waiter.h" |
| #include "chrome/browser/web_applications/test/web_app_install_test_utils.h" |
| #include "chrome/browser/web_applications/test/web_app_test_utils.h" |
| #include "chrome/test/base/in_process_browser_test.h" |
| #include "chrome/test/base/ui_test_utils.h" |
| #include "components/metrics/content/subprocess_metrics_provider.h" |
| #include "components/webapps/browser/test/service_worker_registration_waiter.h" |
| #include "content/public/test/browser_test.h" |
| #include "content/public/test/browser_test_base.h" |
| #include "content/public/test/browser_test_utils.h" |
| #include "content/public/test/test_navigation_observer.h" |
| #include "content/public/test/url_loader_interceptor.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/base/ui_base_switches.h" |
| #include "ui/gfx/codec/png_codec.h" |
| #include "ui/native_theme/native_theme.h" |
| |
| #if BUILDFLAG(IS_WIN) |
| #include "base/win/windows_version.h" |
| #endif |
| |
| #if BUILDFLAG(IS_CHROMEOS) |
| #include "ash/public/cpp/style/dark_light_mode_controller.h" |
| #endif |
| |
| using ::testing::ElementsAre; |
| |
| namespace { |
| |
| constexpr char kHistogramClosingReason[] = |
| "WebApp.DefaultOffline.ClosingReason"; |
| constexpr char kHistogramDurationShown[] = |
| "WebApp.DefaultOffline.DurationShown"; |
| |
| } // namespace |
| |
| namespace web_app { |
| |
| enum class PageFlagParam { |
| kWithDefaultPageFlag = 0, |
| kWithoutDefaultPageFlag = 1, |
| kMaxValue = kWithoutDefaultPageFlag |
| }; |
| |
| class WebAppOfflineTest : public InProcessBrowserTest { |
| public: |
| void SetUpOnMainThread() override { |
| base::ScopedAllowBlockingForTesting allow_blocking; |
| override_registration_ = |
| OsIntegrationTestOverrideImpl::OverrideForTesting(); |
| } |
| void TearDownOnMainThread() override { |
| test::UninstallAllWebApps(browser()->profile()); |
| { |
| base::ScopedAllowBlockingForTesting allow_blocking; |
| override_registration_.reset(); |
| } |
| } |
| |
| // Start a web app without a service worker and disconnect. |
| webapps::AppId StartWebAppAndDisconnect(content::WebContents* web_contents, |
| std::string_view relative_url) { |
| GURL target_url(embedded_test_server()->GetURL(relative_url)); |
| web_app::NavigateViaLinkClickToURLAndWait(browser(), target_url); |
| webapps::AppId app_id = web_app::test::InstallPwaForCurrentUrl(browser()); |
| WebAppIconWaiter(browser()->profile(), app_id).Wait(); |
| std::unique_ptr<content::URLLoaderInterceptor> interceptor = |
| content::URLLoaderInterceptor::SetupRequestFailForURL( |
| target_url, net::ERR_INTERNET_DISCONNECTED); |
| |
| content::TestNavigationObserver observer(web_contents, 1); |
| web_contents->GetController().Reload(content::ReloadType::NORMAL, false); |
| observer.Wait(); |
| return app_id; |
| } |
| |
| // Start a PWA with a service worker and disconnect. |
| void StartPwaAndDisconnect(content::WebContents* web_contents, |
| std::string_view relative_url) { |
| GURL target_url(embedded_test_server()->GetURL(relative_url)); |
| web_app::ServiceWorkerRegistrationWaiter registration_waiter( |
| browser()->profile(), target_url); |
| web_app::NavigateViaLinkClickToURLAndWait(browser(), target_url); |
| registration_waiter.AwaitRegistration(); |
| webapps::AppId app_id = web_app::test::InstallPwaForCurrentUrl(browser()); |
| WebAppIconWaiter(browser()->profile(), app_id).Wait(); |
| std::unique_ptr<content::URLLoaderInterceptor> interceptor = |
| content::URLLoaderInterceptor::SetupRequestFailForURL( |
| target_url, net::ERR_INTERNET_DISCONNECTED); |
| |
| content::TestNavigationObserver observer(web_contents, 1); |
| web_contents->GetController().Reload(content::ReloadType::NORMAL, false); |
| observer.Wait(); |
| } |
| |
| void ReloadWebContents(content::WebContents* web_contents) { |
| content::TestNavigationObserver observer(web_contents, 1); |
| web_contents->GetController().Reload(content::ReloadType::NORMAL, false); |
| observer.Wait(); |
| } |
| |
| void CloseBrowser(content::WebContents* web_contents) { |
| Browser* app_browser = chrome::FindBrowserWithTab(web_contents); |
| app_browser->window()->Close(); |
| ui_test_utils::WaitForBrowserToClose(app_browser); |
| } |
| |
| private: |
| std::unique_ptr<OsIntegrationTestOverrideImpl::BlockingRegistration> |
| override_registration_; |
| }; |
| |
| class WebAppOfflinePageTest : public WebAppOfflineTest { |
| public: |
| void SyncHistograms() { |
| content::FetchHistogramsFromChildProcesses(); |
| metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting(); |
| } |
| |
| // Expect that the histogram has been updated. |
| void ExpectUniqueSample(net::Error error, int samples) { |
| SyncHistograms(); |
| histogram_tester_.ExpectUniqueSample( |
| "Net.ErrorPageCounts.WebAppAlternativeErrorPage", -error, samples); |
| } |
| |
| base::HistogramTester* histogram() { return &histogram_tester_; } |
| |
| private: |
| base::HistogramTester histogram_tester_; |
| }; |
| |
| // When a web app with a manifest and no service worker is offline it should |
| // display the default offline page rather than the dino. |
| // When the exact same conditions are applied with the feature flag disabled |
| // expect that the default offline page is not shown. |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflinePageIsDisplayed) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| StartWebAppAndDisconnect(web_contents, "/banners/no-sw-with-colors.html"); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 1); |
| // Expect that the default offline page is showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') !== null") |
| .ExtractBool()); |
| } |
| |
| // When a web app with a manifest and service worker that doesn't handle being |
| // offline it should display the default offline page rather than the dino. |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, |
| WebAppOfflineWithEmptyServiceWorker) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| StartPwaAndDisconnect(web_contents, "/banners/background-color.html"); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 1); |
| // Expect that the default offline page is showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') !== null") |
| .ExtractBool()); |
| } |
| |
| // When a web app with a manifest and service worker that handles being offline |
| // it should not display the default offline page. |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflineWithServiceWorker) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| StartPwaAndDisconnect(web_contents, "/banners/theme-color.html"); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| // Expect that the default offline page is not showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') === null") |
| .ExtractBool()); |
| } |
| |
| // Default offline page icon test. |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflinePageIconShowing) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| StartWebAppAndDisconnect(web_contents, |
| "/banners/no_sw_fetch_handler_test_page.html"); |
| WaitForLoadStop(web_contents); |
| |
| // Ensure that we don't proceed until the icon loading is finished. |
| ASSERT_EQ( |
| true, |
| EvalJs(web_contents, |
| "var promiseResolve;" |
| "var imageLoadedPromise = new Promise(resolve => {" |
| " promiseResolve = resolve;" |
| "});" |
| "function mutatedCallback(mutations) {" |
| " let mutation = mutations[0];" |
| " if (mutation.attributeName == 'src' &&" |
| " mutation.target.src.startsWith('data:image/png')) {" |
| " console.log('Change in src observed, resolving promise');" |
| " promiseResolve();" |
| " }" |
| "}" |
| "let observer = new MutationObserver(mutatedCallback);" |
| "observer.observe(document.getElementById('icon')," |
| " {attributes: true});" |
| "if (document.getElementById('icon').src.startsWith(" |
| " 'data:image/png')) {" |
| " console.log('Inline src already set, resolving promise');" |
| " promiseResolve();" |
| "}" |
| "imageLoadedPromise.then(function(e) {" |
| " return true;" |
| "});") |
| .ExtractBool()); |
| |
| // Expect that the icon on the default offline page is showing. |
| EXPECT_EQ("You're offline", |
| EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg').textContent") |
| .ExtractString()); |
| EXPECT_EQ("Manifest test app", |
| EvalJs(web_contents, "document.title").ExtractString()); |
| EXPECT_EQ("inline", |
| EvalJs(web_contents, |
| "document.getElementById('offlineIcon').style.display") |
| .ExtractString()); |
| |
| std::string actual_url = |
| EvalJs(web_contents, "document.getElementById('icon').src") |
| .ExtractString(); |
| constexpr std::string_view kDataUrlPrefix = "data:image/png;base64,"; |
| ASSERT_THAT(actual_url, testing::StartsWith(kDataUrlPrefix)); |
| std::string_view base64 = |
| std::string_view(actual_url).substr(kDataUrlPrefix.size()); |
| std::optional<std::vector<uint8_t>> png_bytes = base::Base64Decode(base64); |
| ASSERT_TRUE(png_bytes.has_value()); |
| SkBitmap bitmap = gfx::PNGCodec::Decode(*png_bytes); |
| ASSERT_FALSE(bitmap.isNull()); |
| EXPECT_EQ(bitmap.width(), 160); |
| EXPECT_EQ(bitmap.height(), 160); |
| // SAFETY: `bitmap.isNull()` has been checked above. span's data and size |
| // come from the same container. |
| base::span<const uint8_t> image_bytes = UNSAFE_BUFFERS( |
| base::span(static_cast<const uint8_t*>(bitmap.pixmap().addr()), |
| bitmap.computeByteSize())); |
| EXPECT_EQ(1504857296u, base::Crc32(0, image_bytes)); |
| } |
| |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflineMetricsNavigation) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| StartWebAppAndDisconnect(web_contents, "/banners/no-sw-with-colors.html"); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 0); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 0); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 1); |
| // Expect that the default offline page is showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') !== null") |
| .ExtractBool()); |
| |
| // Navigate somewhere else (anywhere else but the current page will do). |
| EXPECT_TRUE(NavigateToURL(web_contents, GURL("about:blank"))); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 1); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 1); |
| EXPECT_THAT(histogram()->GetAllSamples(kHistogramClosingReason), |
| ElementsAre(base::Bucket(/* min= */ 1, /* count= */ 1))); |
| } |
| |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflineMetricsBackOnline) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| StartWebAppAndDisconnect(web_contents, "/banners/no-sw-with-colors.html"); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 0); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 0); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 1); |
| // Expect that the default offline page is showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') !== null") |
| .ExtractBool()); |
| |
| // The URL interceptor only blocks the first navigation. This one should |
| // go through. |
| ReloadWebContents(web_contents); |
| |
| // Expect that the default offline page is not showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') === null") |
| .ExtractBool()); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 1); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 1); |
| EXPECT_THAT(histogram()->GetAllSamples(kHistogramClosingReason), |
| ElementsAre(base::Bucket(/* min= */ 0, /* count= */ 1))); |
| } |
| |
| IN_PROC_BROWSER_TEST_F(WebAppOfflinePageTest, WebAppOfflineMetricsPwaClosing) { |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 0); |
| webapps::AppId app_id = |
| StartWebAppAndDisconnect(web_contents, "/banners/no-sw-with-colors.html"); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 0); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 0); |
| |
| ExpectUniqueSample(net::ERR_INTERNET_DISCONNECTED, 1); |
| // Expect that the default offline page is showing. |
| EXPECT_TRUE(EvalJs(web_contents, |
| "document.getElementById('default-web-app-msg') !== null") |
| .ExtractBool()); |
| |
| CloseBrowser(web_contents); |
| |
| SyncHistograms(); |
| histogram()->ExpectTotalCount(kHistogramDurationShown, 1); |
| histogram()->ExpectTotalCount(kHistogramClosingReason, 1); |
| EXPECT_THAT(histogram()->GetAllSamples(kHistogramClosingReason), |
| ElementsAre(base::Bucket(/* min= */ 2, /* count= */ 1))); |
| } |
| |
| class WebAppOfflineDarkModeTest |
| : public WebAppOfflineTest, |
| public testing::WithParamInterface<blink::mojom::PreferredColorScheme> { |
| public: |
| void SetUp() override { |
| #if BUILDFLAG(IS_WIN) |
| InProcessBrowserTest::SetUp(); |
| #elif BUILDFLAG(IS_MAC) |
| // TODO(crbug.com/40215627): Get this test suite working. |
| GTEST_SKIP(); |
| #else |
| InProcessBrowserTest::SetUp(); |
| #endif // BUILDFLAG(IS_MAC) |
| } |
| |
| void SetUpOnMainThread() override { |
| WebAppOfflineTest::SetUpOnMainThread(); |
| #if BUILDFLAG(IS_CHROMEOS) |
| // Explicitly set dark mode in ChromeOS or we can't get light mode after |
| // sunset (due to dark mode auto-scheduling). |
| ash::DarkLightModeController::Get()->SetDarkModeEnabledForTest( |
| GetParam() == blink::mojom::PreferredColorScheme::kDark); |
| #endif |
| } |
| |
| protected: |
| void SetUpCommandLine(base::CommandLine* command_line) override { |
| // ShellContentBrowserClient::OverrideWebPreferences() overrides the |
| // prefers-color-scheme according to switches::kForceDarkMode |
| // command line. |
| if (GetParam() == blink::mojom::PreferredColorScheme::kDark) |
| command_line->AppendSwitch(switches::kForceDarkMode); |
| } |
| }; |
| |
| // Testing offline page in dark mode for a web app with a manifest and no |
| // service worker. |
| // TODO(crbug.com/40871921): tests are flaky on Linux. |
| #if BUILDFLAG(IS_LINUX) |
| #define MAYBE_WebAppOfflineDarkModeNoServiceWorker \ |
| DISABLED_WebAppOfflineDarkModeNoServiceWorker |
| #else |
| #define MAYBE_WebAppOfflineDarkModeNoServiceWorker \ |
| WebAppOfflineDarkModeNoServiceWorker |
| #endif |
| IN_PROC_BROWSER_TEST_P(WebAppOfflineDarkModeTest, |
| MAYBE_WebAppOfflineDarkModeNoServiceWorker) { |
| #if BUILDFLAG(IS_WIN) |
| if (GetParam() == blink::mojom::PreferredColorScheme::kLight && |
| ui::NativeTheme::GetInstanceForNativeUi()->preferred_color_scheme() == |
| ui::NativeTheme::PreferredColorScheme::kDark) { |
| GTEST_SKIP() << "Host is in dark mode; skipping test"; |
| } |
| #endif // BUILDFLAG(IS_WIN) |
| |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| |
| StartWebAppAndDisconnect(web_contents, "/banners/no-sw-with-colors.html"); |
| |
| if (GetParam() == blink::mojom::PreferredColorScheme::kDark) { |
| // Expect that the default offline page is showing with dark mode colors. |
| EXPECT_TRUE( |
| EvalJs(web_contents, |
| "window.matchMedia('(prefers-color-scheme: dark)').matches") |
| .ExtractBool()); |
| EXPECT_EQ( |
| EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('div')).color") |
| .ExtractString(), |
| "rgb(227, 227, 227)"); |
| EXPECT_EQ(EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('body'))." |
| "backgroundColor") |
| .ExtractString(), |
| "rgb(31, 31, 31)"); |
| } else { |
| // Expect that the default offline page is showing with light mode colors. |
| EXPECT_TRUE( |
| EvalJs(web_contents, |
| "window.matchMedia('(prefers-color-scheme: light)').matches") |
| .ExtractBool()); |
| EXPECT_EQ( |
| EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('div')).color") |
| .ExtractString(), |
| "rgb(31, 31, 31)"); |
| EXPECT_EQ(EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('body'))." |
| "backgroundColor") |
| .ExtractString(), |
| "rgb(255, 255, 255)"); |
| } |
| } |
| |
| // Testing offline page in dark mode for a web app with a manifest and service |
| // worker that does not handle offline error. |
| // TODO(crbug.com/40871921): tests are flaky on Linux. |
| #if BUILDFLAG(IS_LINUX) |
| #define MAYBE_WebAppOfflineDarkModeEmptyServiceWorker \ |
| DISABLED_WebAppOfflineDarkModeEmptyServiceWorker |
| #else |
| #define MAYBE_WebAppOfflineDarkModeEmptyServiceWorker \ |
| WebAppOfflineDarkModeEmptyServiceWorker |
| #endif |
| IN_PROC_BROWSER_TEST_P(WebAppOfflineDarkModeTest, |
| MAYBE_WebAppOfflineDarkModeEmptyServiceWorker) { |
| #if BUILDFLAG(IS_WIN) |
| if (GetParam() == blink::mojom::PreferredColorScheme::kLight && |
| ui::NativeTheme::GetInstanceForNativeUi()->preferred_color_scheme() == |
| ui::NativeTheme::PreferredColorScheme::kDark) { |
| GTEST_SKIP() << "Host is in dark mode; skipping test"; |
| } |
| #endif // BUILDFLAG(IS_WIN) |
| |
| ASSERT_TRUE(embedded_test_server()->Start()); |
| |
| content::WebContents* web_contents = |
| browser()->tab_strip_model()->GetActiveWebContents(); |
| StartPwaAndDisconnect(web_contents, |
| "/banners/manifest_test_page_empty_fetch_handler.html"); |
| if (GetParam() == blink::mojom::PreferredColorScheme::kDark) { |
| // Expect that the default offline page is showing with dark mode colors. |
| EXPECT_TRUE( |
| EvalJs(web_contents, |
| "window.matchMedia('(prefers-color-scheme: dark)').matches") |
| .ExtractBool()); |
| EXPECT_EQ( |
| EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('div')).color") |
| .ExtractString(), |
| "rgb(227, 227, 227)"); |
| EXPECT_EQ(EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('body'))." |
| "backgroundColor") |
| .ExtractString(), |
| "rgb(31, 31, 31)"); |
| } else { |
| // Expect that the default offline page is showing with light mode colors. |
| EXPECT_TRUE( |
| EvalJs(web_contents, |
| "window.matchMedia('(prefers-color-scheme: light)').matches") |
| .ExtractBool()); |
| EXPECT_EQ( |
| EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('div')).color") |
| .ExtractString(), |
| "rgb(31, 31, 31)"); |
| EXPECT_EQ(EvalJs(web_contents, |
| "window.getComputedStyle(document.querySelector('body'))." |
| "backgroundColor") |
| .ExtractString(), |
| "rgb(255, 255, 255)"); |
| } |
| } |
| |
| INSTANTIATE_TEST_SUITE_P( |
| /* no prefix */, |
| WebAppOfflineDarkModeTest, |
| ::testing::Values(blink::mojom::PreferredColorScheme::kDark, |
| blink::mojom::PreferredColorScheme::kLight)); |
| } // namespace web_app |
