src/chrome/browser/media/chrome_webrtc_typing_detection_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 <ctime>
   6
   7 #include "base/path_service.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "chrome/browser/media/webrtc_browsertest_base.h"
  10 #include "chrome/browser/media/webrtc_browsertest_common.h"
  11 #include "chrome/browser/profiles/profile.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/browser_tabstrip.h"
  14 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  15 #include "chrome/common/chrome_paths.h"
  16 #include "chrome/test/base/ui_test_utils.h"
  17 #include "content/public/test/browser_test_utils.h"
  18 #include "net/test/embedded_test_server/embedded_test_server.h"
  19 #include "testing/perf/perf_test.h"
  20
  21 static const base::FilePath::CharType kReferenceFile[] =
  22 #if defined (OS_WIN)
  23     FILE_PATH_LITERAL("pyauto_private/webrtc/human-voice-win.wav");
  24 #else
  25     FILE_PATH_LITERAL("pyauto_private/webrtc/human-voice-linux.wav");
  26 #endif
  27
  28 // The javascript will load the reference file relative to its location,
  29 // which is in /webrtc on the web server. Therefore, prepend a '..' traversal.
  30 static const char kReferenceFileRelativeUrl[] =
  31 #if defined (OS_WIN)
  32     "../pyauto_private/webrtc/human-voice-win.wav";
  33 #else
  34     "../pyauto_private/webrtc/human-voice-linux.wav";
  35 #endif
  36
  37 static const char kMainWebrtcTestHtmlPage[] =
  38     "files/webrtc/webrtc_audio_quality_test.html";
  39
  40 static base::FilePath GetTestDataDir() {
  41   base::FilePath source_dir;
  42   PathService::Get(chrome::DIR_TEST_DATA, &source_dir);
  43   return source_dir;
  44 }
  45
  46 // Test that the typing detection feature works.
  47 // You must have the src-internal solution in your .gclient to put the required
  48 // pyauto_private directory into chrome/test/data/.
  49 class WebRtcTypingDetectionBrowserTest : public WebRtcTestBase {
  50  public:
  51   // TODO(phoglund): clean up duplication from audio quality browser test when
  52   // this test is complete and is proven to work.
  53   bool HasAllRequiredResources() {
  54     base::FilePath reference_file =
  55         GetTestDataDir().Append(kReferenceFile);
  56     if (!base::PathExists(reference_file)) {
  57       LOG(ERROR) << "Cannot find the reference file to be used for audio "
  58                  << "quality comparison: " << reference_file.value();
  59       return false;
  60     }
  61     return true;
  62   }
  63
  64   void AddAudioFile(const std::string& input_file_relative_url,
  65                     content::WebContents* tab_contents) {
  66     EXPECT_EQ("ok-added", ExecuteJavascript(
  67         "addAudioFile('" + input_file_relative_url + "')", tab_contents));
  68   }
  69
  70   void PlayAudioFile(content::WebContents* tab_contents) {
  71     EXPECT_EQ("ok-playing", ExecuteJavascript("playAudioFile()", tab_contents));
  72   }
  73
  74   void MixLocalStreamWithPreviouslyLoadedAudioFile(
  75       content::WebContents* tab_contents) {
  76     EXPECT_EQ("ok-mixed-in", ExecuteJavascript(
  77         "mixLocalStreamWithPreviouslyLoadedAudioFile()", tab_contents));
  78   }
  79
  80   void EstablishCall(content::WebContents* from_tab,
  81                      content::WebContents* to_tab) {
  82     EXPECT_EQ("ok-negotiating",
  83               ExecuteJavascript("negotiateCall()", from_tab));
  84
  85     // Ensure the call gets up on both sides.
  86     EXPECT_TRUE(test::PollingWaitUntil("getPeerConnectionReadyState()",
  87                                        "active", from_tab));
  88     EXPECT_TRUE(test::PollingWaitUntil("getPeerConnectionReadyState()",
  89                                        "active", to_tab));
  90   }
  91 };
  92
  93 // TODO(phoglund): enable when fully implemented.
  94 IN_PROC_BROWSER_TEST_F(WebRtcTypingDetectionBrowserTest,
  95                        DISABLED_MANUAL_TestTypingDetection) {
  96   // TODO(phoglund): make this use embedded_test_server when that test server
  97   // can handle files > ~400Kb.
  98   ASSERT_TRUE(test_server()->Start());
  99
 100   ui_test_utils::NavigateToURL(
 101       browser(), test_server()->GetURL(kMainWebrtcTestHtmlPage));
 102   content::WebContents* left_tab =
 103       browser()->tab_strip_model()->GetActiveWebContents();
 104
 105   chrome::AddTabAt(browser(), GURL(), -1, true);
 106   content::WebContents* right_tab =
 107       browser()->tab_strip_model()->GetActiveWebContents();
 108   ui_test_utils::NavigateToURL(
 109       browser(), test_server()->GetURL(kMainWebrtcTestHtmlPage));
 110
 111   GetUserMediaWithSpecificConstraintsAndAccept(left_tab,
 112                                                kAudioOnlyCallConstraints);
 113   EXPECT_EQ("ok-peerconnection-created",
 114             ExecuteJavascript("preparePeerConnection()", left_tab));
 115
 116   AddAudioFile(kReferenceFileRelativeUrl, left_tab);
 117   MixLocalStreamWithPreviouslyLoadedAudioFile(left_tab);
 118
 119   SetupPeerconnectionWithLocalStream(left_tab);
 120   SetupPeerconnectionWithLocalStream(right_tab);
 121
 122   NegotiateCall(left_tab, right_tab);
 123
 124   // Note: the media flow isn't necessarily established on the connection just
 125   // because the ready state is ok on both sides. We sleep a bit between call
 126   // establishment and playing to avoid cutting of the beginning of the audio
 127   // file.
 128   test::SleepInJavascript(left_tab, 2000);
 129
 130   PlayAudioFile(left_tab);
 131
 132   // TODO(phoglund): simulate key presses, look for changes in typing detection
 133   // state.
 134   test::SleepInJavascript(left_tab, 10000);
 135
 136   HangUp(left_tab);
 137 }