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// Copyright 2019 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>
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/test_timeouts.h"
#include "build/build_config.h"
#include "content/browser/feature_observer.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/feature_observer_client.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/common/content_client.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/public/test/content_browser_test_content_browser_client.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/content_mock_cert_verifier.h"
#include "content/shell/browser/shell.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/build_info.h"
#endif
namespace content {
namespace {
class TestBrowserClient : public ContentBrowserTestContentBrowserClient {
public:
explicit TestBrowserClient(FeatureObserverClient* feature_observer_client)
: feature_observer_client_(feature_observer_client) {}
~TestBrowserClient() override = default;
FeatureObserverClient* GetFeatureObserverClient() override {
return feature_observer_client_;
}
TestBrowserClient(const TestBrowserClient&) = delete;
TestBrowserClient& operator=(const TestBrowserClient&) = delete;
private:
raw_ptr<FeatureObserverClient> feature_observer_client_;
};
class MockObserverClient : public FeatureObserverClient {
public:
MockObserverClient() = default;
~MockObserverClient() override = default;
// PerformanceManagerFeatureObserver implementation:
MOCK_METHOD2(OnStartUsing,
void(GlobalRenderFrameHostId id,
blink::mojom::ObservedFeatureType type));
MOCK_METHOD2(OnStopUsing,
void(GlobalRenderFrameHostId id,
blink::mojom::ObservedFeatureType type));
};
void RunLoopWithTimeout() {
base::RunLoop run_loop;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
run_loop.Run();
}
} // namespace
class LockManagerBrowserTest : public ContentBrowserTest {
public:
LockManagerBrowserTest() = default;
~LockManagerBrowserTest() override = default;
LockManagerBrowserTest(const LockManagerBrowserTest&) = delete;
LockManagerBrowserTest& operator=(const LockManagerBrowserTest&) = delete;
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
test_browser_client_ =
std::make_unique<TestBrowserClient>(&mock_observer_client_);
host_resolver()->AddRule("*", "127.0.0.1");
server_.ServeFilesFromSourceDirectory(GetTestDataFilePath());
ASSERT_TRUE(server_.Start());
}
void TearDownOnMainThread() override {
ContentBrowserTest::TearDownOnMainThread();
test_browser_client_.reset();
}
void SetUpCommandLine(base::CommandLine* command_line) override {
mock_cert_verifier_.SetUpCommandLine(command_line);
}
void SetUpInProcessBrowserTestFixture() override {
ContentBrowserTest::SetUpInProcessBrowserTestFixture();
mock_cert_verifier_.SetUpInProcessBrowserTestFixture();
}
void TearDownInProcessBrowserTestFixture() override {
ContentBrowserTest::TearDownInProcessBrowserTestFixture();
mock_cert_verifier_.TearDownInProcessBrowserTestFixture();
}
bool CheckShouldRunTestAndNavigate() const {
EXPECT_TRUE(NavigateToURL(shell(), GetLocksURL("a.com")));
return true;
}
GURL GetLocksURL(const std::string& hostname) const {
return server_.GetURL(hostname, "/locks/locks.html");
}
testing::StrictMock<MockObserverClient> mock_observer_client_;
private:
content::ContentMockCertVerifier mock_cert_verifier_;
net::EmbeddedTestServer server_{net::EmbeddedTestServer::TYPE_HTTPS};
std::unique_ptr<TestBrowserClient> test_browser_client_;
};
// Verify that content::FeatureObserver is notified when a frame acquires a
// single locks.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverSingleLock) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
GlobalRenderFrameHostId rfh_id = rfh->GetGlobalId();
{
// Acquire a lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStartUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "AcquireLock('lock_a');"));
// Quit when OnStartUsing is invoked.
run_loop.Run();
}
{
// Release a lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStopUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "ReleaseLock('lock_a');"));
// Quit when OnStopUsing is invoked.
run_loop.Run();
}
}
// Verify that content::FeatureObserver is notified when a frame acquires
// multiple locks (notifications only when the number of held locks switches
// between zero and non-zero).
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverTwoLocks) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
GlobalRenderFrameHostId rfh_id = rfh->GetGlobalId();
{
// Acquire a lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStartUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "AcquireLock('lock_a');"));
// Quit when OnStartUsing is invoked.
run_loop.Run();
}
// Acquire a second lock. Don't expect a notification.
EXPECT_TRUE(ExecJs(rfh, "AcquireLock('lock_b');"));
// Wait a short timeout to make sure that the observer is not notified.
RunLoopWithTimeout();
// Release a lock. Don't expect a notification.
EXPECT_TRUE(ExecJs(rfh, "ReleaseLock('lock_a');"));
// Wait a short timeout to make sure that the observer is not notified.
RunLoopWithTimeout();
{
// Release a lock. Expect observer notification, because number of held
// locks is now zero.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStopUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "ReleaseLock('lock_b');"));
// Quit when OnStopUsing is invoked.
run_loop.Run();
}
}
// Verify that content::FeatureObserver is notified that a frame stopped holding
// locks when it is navigated away.
// TODO(crbug.com/40815542): Flakes on all platforms.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, DISABLED_ObserverNavigate) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
GlobalRenderFrameHostId rfh_id = rfh->GetGlobalId();
{
// Acquire a lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStartUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "AcquireLock('lock_a');"));
// Quit when OnStartUsing is invoked.
run_loop.Run();
}
{
// Navigate away. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStopUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(NavigateToURL(shell(), GetLocksURL("b.com")));
// Quit when OnStopUsing is invoked.
run_loop.Run();
}
}
// Verify that content::FeatureObserver is notified when a frame steals a lock
// from another frame.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverStealLock) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
GlobalRenderFrameHostId rfh_id = rfh->GetGlobalId();
{
// Acquire a lock in first WebContents lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStartUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(rfh, "AcquireLock('lock_a');"));
// Quit when OnStartUsing is invoked.
run_loop.Run();
}
// Open another WebContents and navigate.
Shell* other_shell =
Shell::CreateNewWindow(shell()->web_contents()->GetBrowserContext(),
GURL(), nullptr, gfx::Size());
EXPECT_TRUE(NavigateToURL(other_shell, GetLocksURL("a.com")));
RenderFrameHost* other_rfh =
other_shell->web_contents()->GetPrimaryMainFrame();
GlobalRenderFrameHostId other_rfh_id = other_rfh->GetGlobalId();
{
// Steal the lock from other WebContents. Expect observer notifications.
//
base::RunLoop run_loop;
// Wait for the thief and the victim to be notified, but in any order.
int callback_count = 0;
auto callback = [&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) {
callback_count++;
if (callback_count == 2)
run_loop.Quit();
};
EXPECT_CALL(
mock_observer_client_,
OnStopUsing(rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce(callback);
EXPECT_CALL(
mock_observer_client_,
OnStartUsing(other_rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce(callback);
EXPECT_TRUE(ExecJs(other_rfh, "StealLock('lock_a');"));
// Quit after the lock has been released and then grabbed.
run_loop.Run();
}
{
// Release a lock. Expect observer notification.
base::RunLoop run_loop;
EXPECT_CALL(
mock_observer_client_,
OnStopUsing(other_rfh_id, blink::mojom::ObservedFeatureType::kWebLock))
.WillOnce([&](GlobalRenderFrameHostId,
blink::mojom::ObservedFeatureType) { run_loop.Quit(); });
EXPECT_TRUE(ExecJs(other_rfh, "ReleaseLock('lock_a');"));
// Quit when OnStopUsing is invoked.
run_loop.Run();
}
}
// Verify that content::FeatureObserver is *not* notified when a lock is
// acquired by a dedicated worker.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverDedicatedWorker) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
// Use EvalJs() instead of ExecJs() to ensure that this doesn't return before
// the lock is acquired and released by the worker.
EXPECT_TRUE(EvalJs(rfh, R"(
(async () => {
await AcquireReleaseLockFromDedicatedWorker();
return true;
}) ();
)")
.ExtractBool());
// Wait a short timeout to make sure that the observer is not notified.
RunLoopWithTimeout();
}
// SharedWorkers are not enabled on Android. https://crbug.com/154571
#if !BUILDFLAG(IS_ANDROID)
// Verify that content::FeatureObserver is *not* notified when a lock is
// acquired by a shared worker.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverSharedWorker) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
// Use EvalJs() instead of ExecJs() to ensure that this doesn't return before
// the lock is acquired and released by the worker.
EXPECT_TRUE(EvalJs(rfh, R"(
(async () => {
await AcquireReleaseLockFromSharedWorker();
return true;
}) ();
)")
.ExtractBool());
// Wait a short timeout to make sure that the observer is not notified.
RunLoopWithTimeout();
}
#endif // !BUILDFLAG(IS_ANDROID)
// Verify that content::FeatureObserver is *not* notified when a lock is
// acquired by a service worker.
IN_PROC_BROWSER_TEST_F(LockManagerBrowserTest, ObserverServiceWorker) {
if (!CheckShouldRunTestAndNavigate())
return;
RenderFrameHost* rfh = shell()->web_contents()->GetPrimaryMainFrame();
// Use EvalJs() instead of ExecJs() to ensure that this doesn't return before
// the lock is acquired and released by the worker.
EXPECT_TRUE(EvalJs(rfh, R"(
(async () => {
await AcquireReleaseLockFromServiceWorker();
return true;
}) ();
)")
.ExtractBool());
// Wait a short timeout to make sure that the observer is not notified.
RunLoopWithTimeout();
}
} // namespace content
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