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// Copyright 2014 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/file_util.h"
#include "base/json/json_reader.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.h"
#include "base/test/test_timeouts.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/media/webrtc_browsertest_base.h"
#include "chrome/browser/media/webrtc_browsertest_common.h"
#include "chrome/browser/media/webrtc_browsertest_perf.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/test/browser_test_utils.h"
#include "media/base/media_switches.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/perf/perf_test.h"
static const char kMainWebrtcTestHtmlPage[] =
"/webrtc/webrtc_jsep01_test.html";
// Performance browsertest for WebRTC. This test is manual since it takes long
// to execute and requires the reference files provided by the webrtc.DEPS
// solution (which is only available on WebRTC internal bots).
class WebRtcPerfBrowserTest : public WebRtcTestBase {
public:
virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
DetectErrorsInJavaScript(); // Look for errors in our rather complex js.
}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
// Ensure the infobar is enabled, since we expect that in this test.
EXPECT_FALSE(command_line->HasSwitch(switches::kUseFakeUIForMediaStream));
// Play a suitable, somewhat realistic video file.
base::FilePath input_video = test::GetReferenceFilesDir()
.Append(test::kReferenceFileName360p)
.AddExtension(test::kY4mFileExtension);
command_line->AppendSwitchPath(switches::kUseFileForFakeVideoCapture,
input_video);
command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
}
// Tries to extract data from peerConnectionDataStore in the webrtc-internals
// tab. The caller owns the parsed data. Returns NULL on failure.
base::DictionaryValue* GetWebrtcInternalsData(
content::WebContents* webrtc_internals_tab) {
std::string all_stats_json = ExecuteJavascript(
"window.domAutomationController.send("
" JSON.stringify(peerConnectionDataStore));",
webrtc_internals_tab);
base::Value* parsed_json = base::JSONReader::Read(all_stats_json);
base::DictionaryValue* result;
if (parsed_json && parsed_json->GetAsDictionary(&result))
return result;
return NULL;
}
const base::DictionaryValue* GetDataOnFirstPeerConnection(
const base::DictionaryValue* all_data) {
base::DictionaryValue::Iterator iterator(*all_data);
const base::DictionaryValue* result;
if (!iterator.IsAtEnd() && iterator.value().GetAsDictionary(&result))
return result;
return NULL;
}
};
// This is manual for its long execution time.
IN_PROC_BROWSER_TEST_F(WebRtcPerfBrowserTest,
MANUAL_RunsAudioVideoCall60SecsAndLogsInternalMetrics) {
if (OnWinXp()) return;
ASSERT_TRUE(test::HasReferenceFilesInCheckout());
ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
ASSERT_GE(TestTimeouts::action_max_timeout().InSeconds(), 100) <<
"This is a long-running test; you must specify "
"--ui-test-action-max-timeout to have a value of at least 100000.";
content::WebContents* left_tab =
OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
content::WebContents* right_tab =
OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
SetupPeerconnectionWithLocalStream(left_tab);
SetupPeerconnectionWithLocalStream(right_tab);
NegotiateCall(left_tab, right_tab);
StartDetectingVideo(left_tab, "remote-view");
StartDetectingVideo(right_tab, "remote-view");
WaitForVideoToPlay(left_tab);
WaitForVideoToPlay(right_tab);
// Let values stabilize, bandwidth ramp up, etc.
test::SleepInJavascript(left_tab, 60000);
// Start measurements.
chrome::AddTabAt(browser(), GURL(), -1, true);
ui_test_utils::NavigateToURL(browser(), GURL("chrome://webrtc-internals"));
content::WebContents* webrtc_internals_tab =
browser()->tab_strip_model()->GetActiveWebContents();
test::SleepInJavascript(left_tab, 10000);
scoped_ptr<base::DictionaryValue> all_data(
GetWebrtcInternalsData(webrtc_internals_tab));
ASSERT_TRUE(all_data.get() != NULL);
const base::DictionaryValue* first_pc_dict =
GetDataOnFirstPeerConnection(all_data.get());
ASSERT_TRUE(first_pc_dict != NULL);
test::PrintBweForVideoMetrics(*first_pc_dict);
test::PrintMetricsForAllStreams(*first_pc_dict);
HangUp(left_tab);
HangUp(right_tab);
}
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