src/chrome/browser/media/chrome_webrtc_apprtc_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/path_service.h"
   7 #include "base/process/launch.h"
   8 #include "base/rand_util.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "base/win/windows_version.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/media/webrtc_browsertest_base.h"
  13 #include "chrome/browser/media/webrtc_browsertest_common.h"
  14 #include "chrome/browser/ui/browser.h"
  15 #include "chrome/browser/ui/browser_tabstrip.h"
  16 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  17 #include "chrome/common/chrome_switches.h"
  18 #include "chrome/test/base/ui_test_utils.h"
  19 #include "chrome/test/ui/ui_test.h"
  20 #include "content/public/test/browser_test_utils.h"
  21 #include "media/base/media_switches.h"
  22 #include "net/test/python_utils.h"
  23 #include "ui/gl/gl_switches.h"
  24
  25 // You need this solution to run this test. The solution will download appengine
  26 // and the apprtc code for you.
  27 const char kAdviseOnGclientSolution[] =
  28     "You need to add this solution to your .gclient to run this test:\n"
  29     "{\n"
  30     "  \"name\"        : \"webrtc.DEPS\",\n"
  31     "  \"url\"         : \"svn://svn.chromium.org/chrome/trunk/deps/"
  32     "third_party/webrtc/webrtc.DEPS\",\n"
  33     "}";
  34 const char kTitlePageOfAppEngineAdminPage[] = "Instances";
  35
  36
  37 // WebRTC-AppRTC integration test. Requires a real webcam and microphone
  38 // on the running system. This test is not meant to run in the main browser
  39 // test suite since normal tester machines do not have webcams. Chrome will use
  40 // its fake camera for both tests, but Firefox will use the real webcam in the
  41 // Firefox interop test.
  42 //
  43 // This test will bring up a AppRTC instance on localhost and verify that the
  44 // call gets up when connecting to the same room from two tabs in a browser.
  45 class WebRtcApprtcBrowserTest : public WebRtcTestBase {
  46  public:
  47   WebRtcApprtcBrowserTest()
  48       : dev_appserver_(base::kNullProcessHandle),
  49         firefox_(base::kNullProcessHandle) {
  50   }
  51
  52   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  53     EXPECT_FALSE(command_line->HasSwitch(switches::kUseFakeUIForMediaStream));
  54
  55     // The video playback will not work without a GPU, so force its use here.
  56     command_line->AppendSwitch(switches::kUseGpuInTests);
  57
  58 #if defined(OS_MACOSX)
  59     // TODO(mcasas): Remove this switch when ManyCam virtual video capture
  60     // device starts supporting AVFoundation, see http://crbug.com/327618.
  61     command_line->AppendSwitch(switches::kDisableAVFoundation);
  62 #endif
  63
  64     CommandLine::ForCurrentProcess()->AppendSwitch(
  65         switches::kUseFakeDeviceForMediaStream);
  66   }
  67
  68   virtual void TearDown() OVERRIDE {
  69     // Kill any processes we may have brought up.
  70     if (dev_appserver_ != base::kNullProcessHandle)
  71       base::KillProcess(dev_appserver_, 0, false);
  72     // TODO(phoglund): Find some way to shut down Firefox cleanly on Windows.
  73     if (firefox_ != base::kNullProcessHandle)
  74       base::KillProcess(firefox_, 0, false);
  75   }
  76
  77  protected:
  78   bool LaunchApprtcInstanceOnLocalhost() {
  79     base::FilePath appengine_dev_appserver =
  80         GetSourceDir().Append(
  81             FILE_PATH_LITERAL("../google_appengine/dev_appserver.py"));
  82     if (!base::PathExists(appengine_dev_appserver)) {
  83       LOG(ERROR) << "Missing appengine sdk at " <<
  84           appengine_dev_appserver.value() << ". " << kAdviseOnGclientSolution;
  85       return false;
  86     }
  87
  88     base::FilePath apprtc_dir =
  89         GetSourceDir().Append(FILE_PATH_LITERAL("out/apprtc"));
  90     if (!base::PathExists(apprtc_dir)) {
  91       LOG(ERROR) << "Missing AppRTC code at " <<
  92           apprtc_dir.value() << ". " << kAdviseOnGclientSolution;
  93       return false;
  94     }
  95
  96     CommandLine command_line(CommandLine::NO_PROGRAM);
  97     EXPECT_TRUE(GetPythonCommand(&command_line));
  98
  99     command_line.AppendArgPath(appengine_dev_appserver);
 100     command_line.AppendArgPath(apprtc_dir);
 101     command_line.AppendArg("--port=9999");
 102     command_line.AppendArg("--admin_port=9998");
 103     command_line.AppendArg("--skip_sdk_update_check");
 104
 105     VLOG(1) << "Running " << command_line.GetCommandLineString();
 106     return base::LaunchProcess(command_line, base::LaunchOptions(),
 107                                &dev_appserver_);
 108   }
 109
 110   bool LocalApprtcInstanceIsUp() {
 111     // Load the admin page and see if we manage to load it right.
 112     ui_test_utils::NavigateToURL(browser(), GURL("localhost:9998"));
 113     content::WebContents* tab_contents =
 114         browser()->tab_strip_model()->GetActiveWebContents();
 115     std::string javascript =
 116         "window.domAutomationController.send(document.title)";
 117     std::string result;
 118     if (!content::ExecuteScriptAndExtractString(tab_contents, javascript,
 119                                                 &result))
 120       return false;
 121
 122     return result == kTitlePageOfAppEngineAdminPage;
 123   }
 124
 125   bool WaitForCallToComeUp(content::WebContents* tab_contents) {
 126     // Apprtc will set remoteVideo.style.opacity to 1 when the call comes up.
 127     std::string javascript =
 128         "window.domAutomationController.send(remoteVideo.style.opacity)";
 129     return PollingWaitUntil(javascript, "1", tab_contents);
 130   }
 131
 132   bool EvalInJavascriptFile(content::WebContents* tab_contents,
 133                             const base::FilePath& path) {
 134     std::string javascript;
 135     if (!ReadFileToString(path, &javascript)) {
 136       LOG(ERROR) << "Missing javascript code at " << path.value() << ".";
 137       return false;
 138     }
 139
 140     if (!content::ExecuteScript(tab_contents, javascript)) {
 141       LOG(ERROR) << "Failed to execute the following javascript: " <<
 142           javascript;
 143       return false;
 144     }
 145     return true;
 146   }
 147
 148   bool DetectRemoteVideoPlaying(content::WebContents* tab_contents) {
 149     if (!EvalInJavascriptFile(tab_contents, GetSourceDir().Append(
 150         FILE_PATH_LITERAL("chrome/test/data/webrtc/test_functions.js"))))
 151       return false;
 152     if (!EvalInJavascriptFile(tab_contents, GetSourceDir().Append(
 153         FILE_PATH_LITERAL("chrome/test/data/webrtc/video_detector.js"))))
 154       return false;
 155
 156     // The remote video tag is called remoteVideo in the AppRTC code.
 157     StartDetectingVideo(tab_contents, "remoteVideo");
 158     WaitForVideoToPlay(tab_contents);
 159     return true;
 160   }
 161
 162   base::FilePath GetSourceDir() {
 163     base::FilePath source_dir;
 164     PathService::Get(base::DIR_SOURCE_ROOT, &source_dir);
 165     return source_dir;
 166   }
 167
 168   bool LaunchFirefoxWithUrl(const GURL& url) {
 169     base::FilePath firefox_binary =
 170         GetSourceDir().Append(
 171             FILE_PATH_LITERAL("../firefox-nightly/firefox/firefox"));
 172     if (!base::PathExists(firefox_binary)) {
 173       LOG(ERROR) << "Missing firefox binary at " <<
 174           firefox_binary.value() << ". " << kAdviseOnGclientSolution;
 175       return false;
 176     }
 177     base::FilePath firefox_launcher =
 178         GetSourceDir().Append(
 179             FILE_PATH_LITERAL("../webrtc.DEPS/run_firefox_webrtc.py"));
 180     if (!base::PathExists(firefox_launcher)) {
 181       LOG(ERROR) << "Missing firefox launcher at " <<
 182           firefox_launcher.value() << ". " << kAdviseOnGclientSolution;
 183       return false;
 184     }
 185
 186     CommandLine command_line(firefox_launcher);
 187     command_line.AppendSwitchPath("--binary", firefox_binary);
 188     command_line.AppendSwitchASCII("--webpage", url.spec());
 189
 190     VLOG(1) << "Running " << command_line.GetCommandLineString();
 191     return base::LaunchProcess(command_line, base::LaunchOptions(),
 192                                &firefox_);
 193
 194     return true;
 195   }
 196
 197  private:
 198   base::ProcessHandle dev_appserver_;
 199   base::ProcessHandle firefox_;
 200 };
 201
 202 IN_PROC_BROWSER_TEST_F(WebRtcApprtcBrowserTest, MANUAL_WorksOnApprtc) {
 203   // TODO(mcasas): Remove Win version filtering when this bug gets fixed:
 204   // http://code.google.com/p/webrtc/issues/detail?id=2703
 205 #if defined(OS_WIN)
 206   if (base::win::GetVersion() < base::win::VERSION_VISTA)
 207     return;
 208 #endif
 209   DetectErrorsInJavaScript();
 210   ASSERT_TRUE(LaunchApprtcInstanceOnLocalhost());
 211   while (!LocalApprtcInstanceIsUp())
 212     VLOG(1) << "Waiting for AppRTC to come up...";
 213
 214   GURL room_url = GURL(base::StringPrintf("localhost:9999?r=room_%d",
 215                                           base::RandInt(0, 65536)));
 216
 217   chrome::AddTabAt(browser(), GURL(), -1, true);
 218   content::WebContents* left_tab = OpenPageAndAcceptUserMedia(room_url);
 219   chrome::AddTabAt(browser(), GURL(), -1, true);
 220   content::WebContents* right_tab = OpenPageAndAcceptUserMedia(room_url);
 221
 222   ASSERT_TRUE(WaitForCallToComeUp(left_tab));
 223   ASSERT_TRUE(WaitForCallToComeUp(right_tab));
 224
 225   ASSERT_TRUE(DetectRemoteVideoPlaying(left_tab));
 226   ASSERT_TRUE(DetectRemoteVideoPlaying(right_tab));
 227 }
 228
 229 #if defined(OS_LINUX)
 230 #define MAYBE_MANUAL_FirefoxApprtcInteropTest MANUAL_FirefoxApprtcInteropTest
 231 #else
 232 // Not implemented yet on Windows and Mac.
 233 #define MAYBE_MANUAL_FirefoxApprtcInteropTest DISABLED_MANUAL_FirefoxApprtcInteropTest
 234 #endif
 235
 236 IN_PROC_BROWSER_TEST_F(WebRtcApprtcBrowserTest,
 237                        MAYBE_MANUAL_FirefoxApprtcInteropTest) {
 238   // Disabled on Win XP: http://code.google.com/p/webrtc/issues/detail?id=2703.
 239 #if defined(OS_WIN)
 240   if (base::win::GetVersion() < base::win::VERSION_VISTA)
 241     return;
 242 #endif
 243
 244   DetectErrorsInJavaScript();
 245   ASSERT_TRUE(LaunchApprtcInstanceOnLocalhost());
 246   while (!LocalApprtcInstanceIsUp())
 247     VLOG(1) << "Waiting for AppRTC to come up...";
 248
 249   GURL room_url = GURL(base::StringPrintf("http://localhost:9999?r=room_%d",
 250                                           base::RandInt(0, 65536)));
 251   content::WebContents* chrome_tab = OpenPageAndAcceptUserMedia(room_url);
 252
 253   ASSERT_TRUE(LaunchFirefoxWithUrl(room_url));
 254
 255   ASSERT_TRUE(WaitForCallToComeUp(chrome_tab));
 256
 257   // Ensure Firefox manages to send video our way.
 258   ASSERT_TRUE(DetectRemoteVideoPlaying(chrome_tab));
 259 }