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// Copyright 2017 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 "base/command_line.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "content/browser/webrtc/webrtc_webcam_browsertest.h"
#include "content/public/browser/browser_child_process_host.h"
#include "content/public/common/child_process_host.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "media/base/media_switches.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/video_capture/public/mojom/constants.mojom.h"
#include "services/video_capture/public/mojom/testing_controls.mojom.h"
namespace content {
namespace {
static const char kVideoCaptureHtmlFile[] = "/media/video_capture_test.html";
static const char kStartVideoCaptureAndVerifySize[] =
"startVideoCaptureAndVerifySize(320, 200)";
static const char kWaitForVideoToTurnBlack[] = "waitForVideoToTurnBlack()";
static const char kVerifyHasReceivedTrackEndedEvent[] =
"verifyHasReceivedTrackEndedEvent()";
} // anonymous namespace
// Integration test that exercises video capture functionality from the
// JavaScript level.
class WebRtcVideoCaptureBrowserTest : public ContentBrowserTest {
protected:
WebRtcVideoCaptureBrowserTest() {
scoped_feature_list_.InitAndEnableFeature(features::kMojoVideoCapture);
}
~WebRtcVideoCaptureBrowserTest() override {}
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
command_line->AppendSwitch(switches::kUseFakeUIForMediaStream);
base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
switches::kEnableBlinkFeatures, "GetUserMedia");
}
void SetUp() override {
ASSERT_TRUE(embedded_test_server()->InitializeAndListen());
EnablePixelOutput();
embedded_test_server()->StartAcceptingConnections();
ContentBrowserTest::SetUp();
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
DISALLOW_COPY_AND_ASSIGN(WebRtcVideoCaptureBrowserTest);
};
IN_PROC_BROWSER_TEST_F(WebRtcVideoCaptureBrowserTest,
RecoverFromCrashInVideoCaptureProcess) {
// This test only makes sense if the video capture service runs in a
// separate process.
if (!features::IsVideoCaptureServiceEnabledForOutOfProcess())
return;
GURL url(embedded_test_server()->GetURL(kVideoCaptureHtmlFile));
NavigateToURL(shell(), url);
std::string result;
// Start video capture and wait until it started rendering
ASSERT_TRUE(ExecuteScriptAndExtractString(
shell(), kStartVideoCaptureAndVerifySize, &result));
ASSERT_EQ("OK", result);
// Simulate crash in video capture process
service_manager::Connector* connector =
ServiceManagerConnection::GetForProcess()->GetConnector();
video_capture::mojom::TestingControlsPtr service_controls;
connector->BindInterface(video_capture::mojom::kServiceName,
mojo::MakeRequest(&service_controls));
service_controls->Crash();
// Wait for video element to turn black
ASSERT_TRUE(ExecuteScriptAndExtractString(shell(), kWaitForVideoToTurnBlack,
&result));
ASSERT_EQ("OK", result);
ASSERT_TRUE(ExecuteScriptAndExtractString(
shell(), kVerifyHasReceivedTrackEndedEvent, &result));
ASSERT_EQ("OK", result);
// Start capturing again and expect it to work.
ASSERT_TRUE(ExecuteScriptAndExtractString(
shell(), kStartVideoCaptureAndVerifySize, &result));
ASSERT_EQ("OK", result);
}
} // namespace content
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