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content / browser / renderer_host / view_transition_browsertest.cc [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/test/scoped_feature_list.h"
#include "base/test/test_future.h"
#include "cc/test/pixel_comparator.h"
#include "cc/test/pixel_test_utils.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/browser/compositor/surface_utils.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/view_transition_opt_in_state.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/test/back_forward_cache_util.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/shell/browser/shell.h"
#include "content/shell/browser/shell_download_manager_delegate.h"
#include "content/test/content_browser_test_utils_internal.h"
#include "mojo/public/cpp/bindings/sync_call_restrictions.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/default_handlers.h"
#include "services/viz/privileged/mojom/compositing/features.mojom-features.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/features_generated.h"
#include "ui/gfx/geometry/size.h"
namespace content {
class ViewTransitionBrowserTest : public ContentBrowserTest {
public:
class TestCondition : public CommitDeferringCondition {
public:
TestCondition(NavigationRequest& request, base::RunLoop* run_loop)
: CommitDeferringCondition(request), run_loop_(run_loop) {}
~TestCondition() override = default;
Result WillCommitNavigation(base::OnceClosure resume) override {
GetUIThreadTaskRunner()->PostTask(FROM_HERE, run_loop_->QuitClosure());
return Result::kDefer;
}
const char* TraceEventName() const override { return "TestCondition"; }
private:
raw_ptr<base::RunLoop> run_loop_;
};
ViewTransitionBrowserTest() {
feature_list_.InitWithFeatures(
/*enabled_features=*/
{blink::features::kViewTransitionOnNavigation,
viz::mojom::EnableVizTestApis},
/*disabled_features=*/{});
}
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
embedded_test_server()->ServeFilesFromSourceDirectory(
GetTestDataFilePath());
net::test_server::RegisterDefaultHandlers(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
void WaitForConditionsDone(NavigationRequest* request) {
// Inject a condition to know when the VT response has been received but
// before the NavigationRequest is notified.
run_loop_ = std::make_unique<base::RunLoop>();
request->RegisterCommitDeferringConditionForTesting(
std::make_unique<TestCondition>(*request, run_loop_.get()));
run_loop_->Run();
}
bool HasVTOptIn(RenderFrameHost* rfh) {
auto* opt_in_state = ViewTransitionOptInState::GetForCurrentDocument(
static_cast<RenderFrameHostImpl*>(rfh));
return opt_in_state &&
opt_in_state->same_origin_opt_in() ==
blink::mojom::ViewTransitionSameOriginOptIn::kEnabled;
}
private:
base::test::ScopedFeatureList feature_list_;
std::unique_ptr<base::RunLoop> run_loop_;
};
IN_PROC_BROWSER_TEST_F(ViewTransitionBrowserTest,
NavigationCancelledAfterScreenshot) {
// Start with a page which has an opt-in for VT.
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
WaitForCopyableViewInWebContents(shell()->web_contents());
TestNavigationManager navigation_manager(shell()->web_contents(), test_url);
ASSERT_TRUE(
ExecJs(shell()->web_contents(), "location.href = location.href;"));
// Wait for response and resume. The navigation should be blocked by the view
// transition condition.
ASSERT_TRUE(navigation_manager.WaitForResponse());
navigation_manager.ResumeNavigation();
auto* navigation_request =
NavigationRequest::From(navigation_manager.GetNavigationHandle());
ASSERT_TRUE(navigation_request);
ASSERT_TRUE(
navigation_request->IsCommitDeferringConditionDeferredForTesting());
ASSERT_FALSE(navigation_request->commit_params().view_transition_state);
WaitForConditionsDone(navigation_request);
ASSERT_TRUE(navigation_request->commit_params().view_transition_state);
mojo::ScopedAllowSyncCallForTesting allow_sync;
bool has_resources = false;
GetHostFrameSinkManager()
->GetFrameSinkManagerTestApi()
.HasUnclaimedViewTransitionResources(&has_resources);
ASSERT_TRUE(has_resources);
shell()->web_contents()->Stop();
ASSERT_FALSE(navigation_manager.was_committed());
GetHostFrameSinkManager()
->GetFrameSinkManagerTestApi()
.HasUnclaimedViewTransitionResources(&has_resources);
ASSERT_FALSE(has_resources);
// Ensure the old renderer discards the outgoing transition.
EXPECT_TRUE(ExecJs(
shell()->web_contents()->GetPrimaryMainFrame(),
"(async () => { await document.startViewTransition().ready; })()"));
}
IN_PROC_BROWSER_TEST_F(ViewTransitionBrowserTest,
NavigationCancelledBeforeScreenshot) {
// Start with a page which has an opt-in for VT.
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
WaitForCopyableViewInWebContents(shell()->web_contents());
TestNavigationManager navigation_manager(shell()->web_contents(), test_url);
ASSERT_TRUE(
ExecJs(shell()->web_contents(), "location.href = location.href;"));
// Wait for response and resume. The navigation should be blocked by the view
// transition condition.
ASSERT_TRUE(navigation_manager.WaitForResponse());
navigation_manager.ResumeNavigation();
auto* navigation_request =
NavigationRequest::From(navigation_manager.GetNavigationHandle());
ASSERT_TRUE(navigation_request);
ASSERT_TRUE(
navigation_request->IsCommitDeferringConditionDeferredForTesting());
ASSERT_FALSE(navigation_request->commit_params().view_transition_state);
// Stop the navigation while the screenshot request is in flight.
shell()->web_contents()->Stop();
ASSERT_FALSE(navigation_manager.was_committed());
// Ensure the old renderer discards the outgoing transition.
EXPECT_TRUE(ExecJs(
shell()->web_contents()->GetPrimaryMainFrame(),
"(async () => { await document.startViewTransition().ready; })()"));
}
IN_PROC_BROWSER_TEST_F(ViewTransitionBrowserTest,
OwnershipTransferredToNewRenderer) {
// Start with a page which has an opt-in for VT.
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
WaitForCopyableViewInWebContents(shell()->web_contents());
TestNavigationManager navigation_manager(shell()->web_contents(), test_url);
ASSERT_TRUE(
ExecJs(shell()->web_contents(), "location.href = location.href;"));
ASSERT_TRUE(navigation_manager.WaitForNavigationFinished());
ASSERT_TRUE(static_cast<RenderWidgetHostViewBase*>(
shell()->web_contents()->GetRenderWidgetHostView())
->HasViewTransitionResourcesForTesting());
}
// Ensure a browser-initiated navigation (i.e. typing URL into omnibox) does
// not trigger a view transitions.
IN_PROC_BROWSER_TEST_F(ViewTransitionBrowserTest,
NoOpOnBrowserInitiatedNavigations) {
// Start with a page which has an opt-in for VT.
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
GURL test_url_next(embedded_test_server()->GetURL(
"/view_transitions/basic-vt-opt-in.html?next"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url_next));
WaitForCopyableViewInWebContents(shell()->web_contents());
EXPECT_EQ(false, EvalJs(shell()->web_contents(), "had_incoming_transition"));
}
class ViewTransitionDownloadBrowserTest : public ViewTransitionBrowserTest {
public:
void SetUpOnMainThread() override {
ViewTransitionBrowserTest::SetUpOnMainThread();
// Set up a test download directory, in order to prevent prompting for
// handling downloads.
ASSERT_TRUE(downloads_directory_.CreateUniqueTempDir());
ShellDownloadManagerDelegate* delegate =
static_cast<ShellDownloadManagerDelegate*>(
shell()
->web_contents()
->GetBrowserContext()
->GetDownloadManagerDelegate());
delegate->SetDownloadBehaviorForTesting(downloads_directory_.GetPath());
}
private:
base::ScopedTempDir downloads_directory_;
};
IN_PROC_BROWSER_TEST_F(ViewTransitionDownloadBrowserTest,
NavigationToDownloadLink) {
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
WaitForCopyableViewInWebContents(shell()->web_contents());
GURL download_url(embedded_test_server()->GetURL("/download-test1.lib"));
TestNavigationManager navigation_manager(shell()->web_contents(),
download_url);
ASSERT_TRUE(ExecJs(shell()->web_contents(),
JsReplace("location.href = $1", download_url)));
// Wait for response and resume. The navigation should not be blocked by the
// view transition condition.
ASSERT_TRUE(navigation_manager.WaitForRequestStart());
ASSERT_TRUE(HasVTOptIn(shell()->web_contents()->GetPrimaryMainFrame()));
auto* navigation_request =
NavigationRequest::From(navigation_manager.GetNavigationHandle());
ASSERT_EQ(
shell()->web_contents()->GetPrimaryMainFrame()->GetLastCommittedOrigin(),
navigation_request->GetTentativeOriginAtRequestTime());
ASSERT_TRUE(navigation_manager.WaitForNavigationFinished());
ASSERT_FALSE(navigation_manager.was_committed());
}
class ViewTransitionBrowserTestTraverse
: public ViewTransitionBrowserTest,
public testing::WithParamInterface<bool> {
public:
bool BFCacheEnabled() const { return GetParam(); }
bool NavigateBack(GURL back_url, WebContents* contents = nullptr) {
if (!contents) {
contents = shell()->web_contents();
}
// We need to trigger the navigation *after* executing the script below so
// the event handlers the script relies on are set before they're dispatched
// by the navigation.
//
// We pass this as a callback to EvalJs so the navigation is initiated
// before we wait for the script result since it relies on events dispatched
// during the navigation.
auto trigger_navigation = base::BindOnce(
&ViewTransitionBrowserTestTraverse::TriggerBackNavigation,
base::Unretained(this), back_url, contents);
auto result =
EvalJs(contents,
JsReplace(
R"(
(async () => {
let navigateFired = false;
navigation.onnavigate = (event) => {
navigateFired = (event.navigationType === "traverse");
};
let pageswapfired = new Promise((resolve) => {
onpageswap = (e) => {
if (!navigateFired || e.viewTransition == null) {
resolve(null);
return;
}
activation = e.activation;
resolve(activation);
};
});
let result = await pageswapfired;
return result != null;
})();
)"),
EXECUTE_SCRIPT_DEFAULT_OPTIONS, ISOLATED_WORLD_ID_GLOBAL,
std::move(trigger_navigation));
return result.ExtractBool();
}
void TriggerBackNavigation(GURL back_url, WebContents* web_contents) {
if (BFCacheEnabled()) {
TestActivationManager manager(web_contents, back_url);
web_contents->GetController().GoBack();
manager.WaitForNavigationFinished();
} else {
TestNavigationManager manager(web_contents, back_url);
web_contents->GetController().GoBack();
ASSERT_TRUE(manager.WaitForNavigationFinished());
}
}
};
IN_PROC_BROWSER_TEST_P(ViewTransitionBrowserTestTraverse,
NavigateEventFiresBeforeCapture) {
if (!BFCacheEnabled()) {
DisableBackForwardCacheForTesting(
shell()->web_contents(),
BackForwardCache::DisableForTestingReason::TEST_REQUIRES_NO_CACHING);
} else if (!base::FeatureList::IsEnabled(features::kBackForwardCache)) {
GTEST_SKIP();
}
GURL test_url(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), test_url));
GURL second_url(embedded_test_server()->GetURL(
"/view_transitions/basic-vt-opt-in.html?new"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), second_url));
WaitForCopyableViewInWebContents(shell()->web_contents());
auto& nav_controller = static_cast<NavigationControllerImpl&>(
shell()->web_contents()->GetController());
ASSERT_TRUE(nav_controller.CanGoBack());
ASSERT_TRUE(NavigateBack(test_url));
}
// A session restore (e.g. "Duplicate Tab", "Undo Close Tab") uses RESTORE
// navigation types when traversing the session history. Ensure these
// navigations trigger a view transition.
IN_PROC_BROWSER_TEST_P(ViewTransitionBrowserTestTraverse,
TransitionOnSessionRestoreTraversal) {
// A restored session will never have its session history in BFCache so
// there's no need to run a BFCache version of the test.
if (BFCacheEnabled()) {
GTEST_SKIP();
}
// Start with a page which has an opt-in for VT.
GURL url_a(
embedded_test_server()->GetURL("/view_transitions/basic-vt-opt-in.html"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), url_a));
// Navigate to another page with an opt-in. (There's no transition due to
// being browser-initiated)
GURL url_b(embedded_test_server()->GetURL(
"/view_transitions/basic-vt-opt-in.html?next"));
ASSERT_TRUE(NavigateToURL(shell()->web_contents(), url_b));
// Clone the tab and load the page. Note: the cloned web contents must be put
// into a window to generate BeginFrames which are required since a view
// transition will not trigger unless a frame has been generated and the page
// revealed.
std::unique_ptr<WebContents> new_tab = shell()->web_contents()->Clone();
WebContentsImpl* new_tab_impl = static_cast<WebContentsImpl*>(new_tab.get());
shell()->AddNewContents(nullptr, std::move(new_tab), url_b,
WindowOpenDisposition::NEW_FOREGROUND_TAB,
blink::mojom::WindowFeatures(), false, nullptr);
NavigationController& new_controller = new_tab_impl->GetController();
{
TestNavigationObserver clone_observer(new_tab_impl);
new_controller.LoadIfNecessary();
clone_observer.Wait();
}
// Ensure the page has been revealed before navigating back so that a
// transition will be triggered.
WaitForCopyableViewInWebContents(new_tab_impl);
// TODO(crbug.com/331226127) Intentionally ignore the return value as the
// navigation API (erroneously?) doesn't fire events for restored traversals.
NavigateBack(url_a, new_tab_impl);
// Ensure a frame has been generated so that the reveal event would have been
// fired.
WaitForCopyableViewInWebContents(new_tab_impl);
EXPECT_EQ(true, EvalJs(new_tab_impl, "had_incoming_transition"));
}
INSTANTIATE_TEST_SUITE_P(P,
ViewTransitionBrowserTestTraverse,
::testing::Bool());
class ViewTransitionCaptureTest
: public ContentBrowserTest,
public ::testing::WithParamInterface<std::string> {
public:
ViewTransitionCaptureTest() { EnablePixelOutput(); }
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
embedded_test_server()->ServeFilesFromSourceDirectory(
GetTestDataFilePath());
net::test_server::RegisterDefaultHandlers(embedded_test_server());
ASSERT_TRUE(embedded_test_server()->Start());
}
protected:
SkBitmap TakeScreenshot() {
WaitForCopyableViewInWebContents(shell()->web_contents());
base::test::TestFuture<const SkBitmap&> future_bitmap;
shell()->web_contents()->GetRenderWidgetHostView()->CopyFromSurface(
gfx::Rect(), gfx::Size(), future_bitmap.GetCallback());
return future_bitmap.Take();
}
private:
base::test::ScopedFeatureList feature_list_;
};
IN_PROC_BROWSER_TEST_P(ViewTransitionCaptureTest,
ViewTransitionNoArtifactDuringCapture) {
GURL test_url(embedded_test_server()->GetURL(GetParam()));
auto* web_contents = shell()->web_contents();
web_contents->Resize({0, 0, 20, 20});
ASSERT_TRUE(NavigateToURL(web_contents, test_url));
ASSERT_EQ(EvalJs(web_contents, JsReplace(R"(
new Promise(resolve => {
requestAnimationFrame(() => resolve("ok"));
}))")),
"ok");
SkBitmap before_bitmap = TakeScreenshot();
// Sanity to see that we've captured something.
ASSERT_NE(before_bitmap.getColor(5, 5), 0u);
// This starts a view transition with a "hanging" promise that never resolves.
// When the view-transition callback is called, we resolve the external
// promise that signals us that it's time to capture.
ASSERT_EQ(EvalJs(web_contents, JsReplace(R"(
new Promise(ready_to_capture => {
document.startViewTransition(() => new Promise(() => {
ready_to_capture('ok');
}));
}))")),
"ok");
auto after_bitmap = TakeScreenshot();
ASSERT_EQ(before_bitmap.width(), after_bitmap.width());
ASSERT_EQ(before_bitmap.height(), after_bitmap.height());
EXPECT_TRUE(cc::MatchesBitmap(before_bitmap, after_bitmap,
cc::ExactPixelComparator()));
}
INSTANTIATE_TEST_SUITE_P(
P,
ViewTransitionCaptureTest,
testing::Values("/view_transitions/parent-child.html",
"/view_transitions/parent-child-opacity.html"));
} // namespace content