src/chrome/browser/media/chrome_webrtc_browsertest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/command_line.h"
   6 #include "base/file_util.h"
   7 #include "base/json/json_reader.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/path_service.h"
  10 #include "base/process/launch.h"
  11 #include "base/process/process_metrics.h"
  12 #include "base/strings/string_split.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "base/synchronization/waitable_event.h"
  15 #include "base/test/test_timeouts.h"
  16 #include "base/time/time.h"
  17 #include "chrome/browser/browser_process.h"
  18 #include "chrome/browser/media/webrtc_browsertest_base.h"
  19 #include "chrome/browser/media/webrtc_browsertest_common.h"
  20 #include "chrome/browser/media/webrtc_browsertest_perf.h"
  21 #include "chrome/browser/ui/browser.h"
  22 #include "chrome/browser/ui/browser_tabstrip.h"
  23 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "chrome/test/base/in_process_browser_test.h"
  26 #include "chrome/test/base/ui_test_utils.h"
  27 #include "chrome/test/ui/ui_test.h"
  28 #include "content/public/browser/notification_service.h"
  29 #include "content/public/browser/render_process_host.h"
  30 #include "content/public/test/browser_test_utils.h"
  31 #include "media/base/media_switches.h"
  32 #include "net/test/embedded_test_server/embedded_test_server.h"
  33 #include "testing/perf/perf_test.h"
  34
  35 static const char kMainWebrtcTestHtmlPage[] =
  36     "/webrtc/webrtc_jsep01_test.html";
  37
  38 // Top-level integration test for WebRTC. Requires a real webcam and microphone
  39 // on the running system. This test is not meant to run in the main browser
  40 // test suite since normal tester machines do not have webcams.
  41 class WebRtcBrowserTest : public WebRtcTestBase {
  42  public:
  43   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
  44     PeerConnectionServerRunner::KillAllPeerConnectionServersOnCurrentSystem();
  45     DetectErrorsInJavaScript();  // Look for errors in our rather complex js.
  46   }
  47
  48   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  49     // This test expects real device handling and requires a real webcam / audio
  50     // device; it will not work with fake devices.
  51     EXPECT_FALSE(command_line->HasSwitch(
  52         switches::kUseFakeDeviceForMediaStream));
  53     EXPECT_FALSE(command_line->HasSwitch(
  54         switches::kUseFakeUIForMediaStream));
  55
  56 #if defined(OS_MACOSX)
  57     // TODO(mcasas): Remove this switch when ManyCam virtual video capture
  58     // device starts supporting AVFoundation, see http://crbug.com/327618.
  59     command_line->AppendSwitch(switches::kDisableAVFoundation);
  60 #endif
  61
  62     // Flag used by TestWebAudioMediaStream to force garbage collection.
  63     command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose-gc");
  64   }
  65
  66   void EstablishCall(content::WebContents* from_tab,
  67                      content::WebContents* to_tab) {
  68     ConnectToPeerConnectionServer("peer 1", from_tab);
  69     ConnectToPeerConnectionServer("peer 2", to_tab);
  70
  71     EXPECT_EQ("ok-peerconnection-created",
  72               ExecuteJavascript("preparePeerConnection()", from_tab));
  73     EXPECT_EQ("ok-added",
  74               ExecuteJavascript("addLocalStream()", from_tab));
  75     EXPECT_EQ("ok-negotiating",
  76               ExecuteJavascript("negotiateCall()", from_tab));
  77
  78     // Ensure the call gets up on both sides.
  79     EXPECT_TRUE(PollingWaitUntil("getPeerConnectionReadyState()",
  80                                  "active", from_tab));
  81     EXPECT_TRUE(PollingWaitUntil("getPeerConnectionReadyState()",
  82                                  "active", to_tab));
  83   }
  84
  85   void HangUp(content::WebContents* from_tab) {
  86     EXPECT_EQ("ok-call-hung-up", ExecuteJavascript("hangUp()", from_tab));
  87   }
  88
  89   void WaitUntilHangupVerified(content::WebContents* tab_contents) {
  90     EXPECT_TRUE(PollingWaitUntil("getPeerConnectionReadyState()",
  91                                  "no-peer-connection", tab_contents));
  92   }
  93
  94   void PrintProcessMetrics(base::ProcessMetrics* process_metrics,
  95                            const std::string& suffix) {
  96     perf_test::PrintResult("cpu", "", "cpu" + suffix,
  97                            process_metrics->GetCPUUsage(),
  98                            "%", true);
  99     perf_test::PrintResult("memory", "", "ws_peak" + suffix,
 100                            process_metrics->GetPeakWorkingSetSize(),
 101                            "bytes", true);
 102     perf_test::PrintResult("memory", "", "ws_final" + suffix,
 103                            process_metrics->GetWorkingSetSize(),
 104                            "bytes", false);
 105
 106     size_t private_mem;
 107     size_t shared_mem;
 108     if (process_metrics->GetMemoryBytes(&private_mem, &shared_mem)) {
 109       perf_test::PrintResult("memory", "", "private_mem_final" + suffix,
 110                              private_mem, "bytes", false);
 111       perf_test::PrintResult("memory", "", "shared_mem_final" + suffix,
 112                              shared_mem, "bytes", false);
 113     }
 114   }
 115
 116   // Tries to extract data from peerConnectionDataStore in the webrtc-internals
 117   // tab. The caller owns the parsed data. Returns NULL on failure.
 118   base::DictionaryValue* GetWebrtcInternalsData(
 119       content::WebContents* webrtc_internals_tab) {
 120     std::string all_stats_json = ExecuteJavascript(
 121         "window.domAutomationController.send("
 122         "    JSON.stringify(peerConnectionDataStore));",
 123         webrtc_internals_tab);
 124
 125     base::Value* parsed_json = base::JSONReader::Read(all_stats_json);
 126     base::DictionaryValue* result;
 127     if (parsed_json && parsed_json->GetAsDictionary(&result))
 128       return result;
 129
 130     return NULL;
 131   }
 132
 133   const base::DictionaryValue* GetDataOnFirstPeerConnection(
 134       const base::DictionaryValue* all_data) {
 135     base::DictionaryValue::Iterator iterator(*all_data);
 136
 137     const base::DictionaryValue* result;
 138     if (!iterator.IsAtEnd() && iterator.value().GetAsDictionary(&result))
 139       return result;
 140
 141     return NULL;
 142   }
 143
 144   content::WebContents* OpenTestPageAndGetUserMediaInNewTab() {
 145     return OpenPageAndGetUserMediaInNewTab(
 146         embedded_test_server()->GetURL(kMainWebrtcTestHtmlPage));
 147   }
 148
 149   PeerConnectionServerRunner peerconnection_server_;
 150 };
 151
 152 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
 153                        MANUAL_RunsAudioVideoWebRTCCallInTwoTabs) {
 154   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 155   ASSERT_TRUE(peerconnection_server_.Start());
 156
 157   content::WebContents* left_tab = OpenTestPageAndGetUserMediaInNewTab();
 158   content::WebContents* right_tab = OpenTestPageAndGetUserMediaInNewTab();
 159
 160   EstablishCall(left_tab, right_tab);
 161
 162   StartDetectingVideo(left_tab, "remote-view");
 163   StartDetectingVideo(right_tab, "remote-view");
 164
 165   WaitForVideoToPlay(left_tab);
 166   WaitForVideoToPlay(right_tab);
 167
 168   HangUp(left_tab);
 169   WaitUntilHangupVerified(left_tab);
 170   WaitUntilHangupVerified(right_tab);
 171
 172   ASSERT_TRUE(peerconnection_server_.Stop());
 173 }
 174
 175 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest, MANUAL_CpuUsage15Seconds) {
 176   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 177   ASSERT_TRUE(peerconnection_server_.Start());
 178
 179   base::FilePath results_file;
 180   ASSERT_TRUE(base::CreateTemporaryFile(&results_file));
 181
 182   content::WebContents* left_tab = OpenTestPageAndGetUserMediaInNewTab();
 183
 184 #if defined(OS_MACOSX)
 185   // Don't measure renderer CPU on mac: requires a mach broker we don't have
 186   // access to from the browser test.
 187   scoped_ptr<base::ProcessMetrics> browser_process_metrics(
 188       base::ProcessMetrics::CreateProcessMetrics(
 189           base::Process::Current().handle(), NULL));
 190   browser_process_metrics->GetCPUUsage();
 191 #else
 192   // Measure rendering CPU on platforms that support it.
 193   base::ProcessHandle renderer_pid =
 194       left_tab->GetRenderProcessHost()->GetHandle();
 195   scoped_ptr<base::ProcessMetrics> renderer_process_metrics(
 196       base::ProcessMetrics::CreateProcessMetrics(renderer_pid));
 197   renderer_process_metrics->GetCPUUsage();
 198
 199   scoped_ptr<base::ProcessMetrics> browser_process_metrics(
 200       base::ProcessMetrics::CreateProcessMetrics(
 201           base::Process::Current().handle()));
 202   browser_process_metrics->GetCPUUsage();
 203 #endif
 204
 205   content::WebContents* right_tab = OpenTestPageAndGetUserMediaInNewTab();
 206
 207   EstablishCall(left_tab, right_tab);
 208
 209   SleepInJavascript(left_tab, 15000);
 210
 211   HangUp(left_tab);
 212   WaitUntilHangupVerified(left_tab);
 213   WaitUntilHangupVerified(right_tab);
 214
 215 #if !defined(OS_MACOSX)
 216   PrintProcessMetrics(renderer_process_metrics.get(), "_r");
 217 #endif
 218   PrintProcessMetrics(browser_process_metrics.get(), "_b");
 219
 220   ASSERT_TRUE(peerconnection_server_.Stop());
 221 }
 222
 223 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
 224                        MANUAL_RunsAudioVideoCall60SecsAndLogsInternalMetrics) {
 225   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 226   ASSERT_TRUE(peerconnection_server_.Start());
 227
 228   ASSERT_GE(TestTimeouts::action_max_timeout().InSeconds(), 80) <<
 229       "This is a long-running test; you must specify "
 230       "--ui-test-action-max-timeout to have a value of at least 80000.";
 231
 232   content::WebContents* left_tab = OpenTestPageAndGetUserMediaInNewTab();
 233   content::WebContents* right_tab = OpenTestPageAndGetUserMediaInNewTab();
 234
 235   EstablishCall(left_tab, right_tab);
 236
 237   StartDetectingVideo(left_tab, "remote-view");
 238   StartDetectingVideo(right_tab, "remote-view");
 239
 240   WaitForVideoToPlay(left_tab);
 241   WaitForVideoToPlay(right_tab);
 242
 243   // Let values stabilize, bandwidth ramp up, etc.
 244   SleepInJavascript(left_tab, 60000);
 245
 246   // Start measurements.
 247   chrome::AddTabAt(browser(), GURL(), -1, true);
 248   ui_test_utils::NavigateToURL(browser(), GURL("chrome://webrtc-internals"));
 249   content::WebContents* webrtc_internals_tab =
 250       browser()->tab_strip_model()->GetActiveWebContents();
 251
 252   SleepInJavascript(left_tab, 10000);
 253
 254   scoped_ptr<base::DictionaryValue> all_data(
 255       GetWebrtcInternalsData(webrtc_internals_tab));
 256   ASSERT_TRUE(all_data.get() != NULL);
 257
 258   const base::DictionaryValue* first_pc_dict =
 259       GetDataOnFirstPeerConnection(all_data.get());
 260   ASSERT_TRUE(first_pc_dict != NULL);
 261   PrintBweForVideoMetrics(*first_pc_dict);
 262   PrintMetricsForAllStreams(*first_pc_dict);
 263
 264   HangUp(left_tab);
 265   WaitUntilHangupVerified(left_tab);
 266   WaitUntilHangupVerified(right_tab);
 267
 268   ASSERT_TRUE(peerconnection_server_.Stop());
 269 }
 270
 271 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest, TestWebAudioMediaStream) {
 272   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 273   GURL url(embedded_test_server()->GetURL("/webrtc/webaudio_crash.html"));
 274   ui_test_utils::NavigateToURL(browser(), url);
 275   content::WebContents* tab =
 276       browser()->tab_strip_model()->GetActiveWebContents();
 277   // A sleep is necessary to be able to detect the crash.
 278   SleepInJavascript(tab, 1000);
 279
 280   ASSERT_FALSE(tab->IsCrashed());
 281 }