src/chrome/browser/media/chrome_webrtc_getmediadevices_browsertest.cc

   1 // Copyright 2014 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/json/json_reader.h"
   7 #include "base/strings/string_util.h"
   8 #include "chrome/browser/media/webrtc_browsertest_base.h"
   9 #include "chrome/browser/media/webrtc_browsertest_common.h"
  10 #include "chrome/browser/ui/browser.h"
  11 #include "chrome/browser/ui/browser_tabstrip.h"
  12 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  13 #include "chrome/common/chrome_switches.h"
  14 #include "chrome/test/base/in_process_browser_test.h"
  15 #include "chrome/test/base/ui_test_utils.h"
  16 #include "content/public/test/browser_test_utils.h"
  17 #include "media/audio/audio_manager.h"
  18 #include "media/base/media_switches.h"
  19 #include "net/test/embedded_test_server/embedded_test_server.h"
  20
  21 namespace {
  22
  23 const char kMainWebrtcTestHtmlPage[] = "/webrtc/webrtc_jsep01_test.html";
  24
  25 const char kDeviceKindAudioInput[] = "audioinput";
  26 const char kDeviceKindVideoInput[] = "videoinput";
  27 const char kDeviceKindAudioOutput[] = "audiooutput";
  28
  29 const char kSourceKindAudioInput[] = "audio";
  30 const char kSourceKindVideoInput[] = "video";
  31
  32 }  // namespace
  33
  34 // Integration test for WebRTC getMediaDevices. It always uses fake devices.
  35 // It needs to be a browser test (and not content browser test) to be able to
  36 // test that labels are cleared or not depending on if access to devices has
  37 // been granted.
  38 class WebRtcGetMediaDevicesBrowserTest
  39     : public WebRtcTestBase,
  40       public testing::WithParamInterface<bool> {
  41  public:
  42   WebRtcGetMediaDevicesBrowserTest()
  43       : has_audio_output_devices_initialized_(false),
  44         has_audio_output_devices_(false) {}
  45
  46   void SetUpInProcessBrowserTestFixture() override {
  47     DetectErrorsInJavaScript();  // Look for errors in our rather complex js.
  48   }
  49
  50   void SetUpCommandLine(CommandLine* command_line) override {
  51     // Ensure the infobar is enabled, since we expect that in this test.
  52     EXPECT_FALSE(command_line->HasSwitch(switches::kUseFakeUIForMediaStream));
  53
  54     // Always use fake devices.
  55     command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
  56   }
  57
  58  protected:
  59   // This is used for media devices and sources.
  60   struct MediaDeviceInfo {
  61     std::string device_id;  // Domain specific device ID.
  62     std::string kind;
  63     std::string label;
  64     std::string group_id;
  65   };
  66
  67   bool HasOutputDevices() {
  68     // There's no fake audio output devices supported yet. We can't test audio
  69     // output devices on bots with no output devices, so skip testing for that
  70     // on such bots. We cache the result since querying for devices can take
  71     // considerable time.
  72     if (!has_audio_output_devices_initialized_) {
  73       has_audio_output_devices_ =
  74           media::AudioManager::Get()->HasAudioOutputDevices();
  75       has_audio_output_devices_initialized_ = true;
  76     }
  77     return has_audio_output_devices_;
  78   }
  79
  80   // If |get_sources| is true, use getSources API and leave groupId empty,
  81   // otherwise use getMediaDevices API.
  82   void GetMediaDevicesOrSources(content::WebContents* tab,
  83                                 std::vector<MediaDeviceInfo>* devices,
  84                                 bool get_sources) {
  85     std::string devices_as_json =
  86         ExecuteJavascript(get_sources ? "getSources()" : "getMediaDevices()",
  87                           tab);
  88     EXPECT_FALSE(devices_as_json.empty());
  89
  90     int error_code;
  91     std::string error_message;
  92     scoped_ptr<base::Value> value(
  93         base::JSONReader::ReadAndReturnError(devices_as_json,
  94                                              base::JSON_ALLOW_TRAILING_COMMAS,
  95                                              &error_code,
  96                                              &error_message));
  97
  98     ASSERT_TRUE(value.get() != NULL) << error_message;
  99     EXPECT_EQ(value->GetType(), base::Value::TYPE_LIST);
 100
 101     base::ListValue* values;
 102     ASSERT_TRUE(value->GetAsList(&values));
 103     ASSERT_FALSE(values->empty());
 104     bool found_audio_input = false;
 105     bool found_video_input = false;
 106     bool found_audio_output = false;
 107
 108     for (base::ListValue::iterator it = values->begin();
 109          it != values->end(); ++it) {
 110       const base::DictionaryValue* dict;
 111       MediaDeviceInfo device;
 112       ASSERT_TRUE((*it)->GetAsDictionary(&dict));
 113       ASSERT_TRUE(dict->GetString(get_sources ? "id" : "deviceId",
 114                                   &device.device_id));
 115       ASSERT_TRUE(dict->GetString("kind", &device.kind));
 116       ASSERT_TRUE(dict->GetString("label", &device.label));
 117       if (!get_sources)
 118         ASSERT_TRUE(dict->GetString("groupId", &device.group_id));
 119
 120       // Should be HMAC SHA256.
 121       EXPECT_EQ(64ul, device.device_id.length());
 122       EXPECT_TRUE(base::ContainsOnlyChars(device.device_id,
 123                                           "0123456789abcdef"));
 124
 125       const char* kAudioInputKind =
 126           get_sources ? kSourceKindAudioInput : kDeviceKindAudioInput;
 127       const char* kVideoInputKind =
 128           get_sources ? kSourceKindVideoInput : kDeviceKindVideoInput;
 129       if (get_sources) {
 130         EXPECT_TRUE(device.kind == kAudioInputKind ||
 131                     device.kind == kVideoInputKind);
 132       } else {
 133         EXPECT_TRUE(device.kind == kAudioInputKind ||
 134                     device.kind == kVideoInputKind ||
 135                     device.kind == kDeviceKindAudioOutput);
 136       }
 137       if (device.kind == kAudioInputKind) {
 138         found_audio_input = true;
 139       } else if (device.kind == kVideoInputKind) {
 140         found_video_input = true;
 141       } else {
 142         found_audio_output = true;
 143       }
 144
 145       // getSources doesn't have group ID support. getMediaDevices doesn't have
 146       // group ID support for video input devices.
 147       if (get_sources || device.kind == kDeviceKindVideoInput) {
 148         EXPECT_TRUE(device.group_id.empty());
 149       } else {
 150         EXPECT_FALSE(device.group_id.empty());
 151       }
 152
 153       devices->push_back(device);
 154     }
 155
 156     EXPECT_TRUE(found_audio_input);
 157     EXPECT_TRUE(found_video_input);
 158     if (get_sources) {
 159       EXPECT_FALSE(found_audio_output);
 160     } else {
 161       EXPECT_EQ(HasOutputDevices(), found_audio_output);
 162     }
 163   }
 164
 165   void GetMediaDevices(content::WebContents* tab,
 166                      std::vector<MediaDeviceInfo>* devices) {
 167     GetMediaDevicesOrSources(tab, devices, false);
 168   }
 169
 170   void GetSources(content::WebContents* tab,
 171                   std::vector<MediaDeviceInfo>* sources) {
 172     GetMediaDevicesOrSources(tab, sources, true);
 173   }
 174
 175   bool has_audio_output_devices_initialized_;
 176   bool has_audio_output_devices_;
 177 };
 178
 179 static const bool kParamsToRunTestsWith[] = { false, true };
 180 INSTANTIATE_TEST_CASE_P(WebRtcGetMediaDevicesBrowserTests,
 181                         WebRtcGetMediaDevicesBrowserTest,
 182                         testing::ValuesIn(kParamsToRunTestsWith));
 183
 184 // getMediaDevices has been removed and will be replaced
 185 // MediaDevices.enumerateDevices. http://crbug.com/388648.
 186 IN_PROC_BROWSER_TEST_P(WebRtcGetMediaDevicesBrowserTest,
 187                        DISABLED_GetMediaDevicesWithoutAccess) {
 188   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 189   GURL url(embedded_test_server()->GetURL(kMainWebrtcTestHtmlPage));
 190   ui_test_utils::NavigateToURL(browser(), url);
 191   content::WebContents* tab =
 192       browser()->tab_strip_model()->GetActiveWebContents();
 193
 194   std::vector<MediaDeviceInfo> devices;
 195   GetMediaDevices(tab, &devices);
 196
 197   // Labels should be empty if access has not been allowed.
 198   for (std::vector<MediaDeviceInfo>::iterator it = devices.begin();
 199        it != devices.end(); ++it) {
 200     EXPECT_TRUE(it->label.empty());
 201   }
 202 }
 203
 204 // getMediaDevices has been removed and will be replaced
 205 // MediaDevices.enumerateDevices. http://crbug.com/388648.
 206 // Disabled, fails due to http://crbug.com/382391.
 207 IN_PROC_BROWSER_TEST_P(WebRtcGetMediaDevicesBrowserTest,
 208                        DISABLED_GetMediaDevicesWithAccess) {
 209   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 210   GURL url(embedded_test_server()->GetURL(kMainWebrtcTestHtmlPage));
 211   ui_test_utils::NavigateToURL(browser(), url);
 212   content::WebContents* tab =
 213       browser()->tab_strip_model()->GetActiveWebContents();
 214
 215   GetUserMediaAndAccept(tab);
 216
 217   std::vector<MediaDeviceInfo> devices;
 218   GetMediaDevices(tab, &devices);
 219
 220   // Labels should be non-empty if access has been allowed.
 221   for (std::vector<MediaDeviceInfo>::iterator it = devices.begin();
 222        it != devices.end(); ++it) {
 223     EXPECT_TRUE(!it->label.empty());
 224   }
 225 }
 226
 227 // getMediaDevices has been removed and will be replaced
 228 // MediaDevices.enumerateDevices. http://crbug.com/388648.
 229 IN_PROC_BROWSER_TEST_P(WebRtcGetMediaDevicesBrowserTest,
 230                        DISABLED_GetMediaDevicesEqualsGetSourcesWithoutAccess) {
 231   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 232   GURL url(embedded_test_server()->GetURL(kMainWebrtcTestHtmlPage));
 233   ui_test_utils::NavigateToURL(browser(), url);
 234   content::WebContents* tab =
 235       browser()->tab_strip_model()->GetActiveWebContents();
 236
 237   std::vector<MediaDeviceInfo> devices;
 238   GetMediaDevices(tab, &devices);
 239
 240   std::vector<MediaDeviceInfo> sources;
 241   GetSources(tab, &sources);
 242
 243   std::vector<MediaDeviceInfo>::iterator sources_it = sources.begin();
 244   for (std::vector<MediaDeviceInfo>::iterator devices_it = devices.begin();
 245        devices_it != devices.end(); ++devices_it) {
 246     if (devices_it->kind == kDeviceKindAudioOutput)
 247       continue;
 248     EXPECT_STREQ(devices_it->device_id.c_str(), sources_it->device_id.c_str());
 249     if (devices_it->kind == kDeviceKindAudioInput) {
 250       EXPECT_STREQ(kSourceKindAudioInput, sources_it->kind.c_str());
 251     } else {
 252       EXPECT_STREQ(kSourceKindVideoInput, sources_it->kind.c_str());
 253     }
 254     EXPECT_TRUE(devices_it->label.empty());
 255     EXPECT_TRUE(sources_it->label.empty());
 256     ++sources_it;
 257   }
 258   EXPECT_EQ(sources.end(), sources_it);
 259 }
 260
 261 // getMediaDevices has been removed and will be replaced
 262 // MediaDevices.enumerateDevices. http://crbug.com/388648.
 263 // Disabled, fails due to http://crbug.com/382391.
 264 IN_PROC_BROWSER_TEST_P(WebRtcGetMediaDevicesBrowserTest,
 265                        DISABLED_GetMediaDevicesEqualsGetSourcesWithAccess) {
 266   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 267   GURL url(embedded_test_server()->GetURL(kMainWebrtcTestHtmlPage));
 268   ui_test_utils::NavigateToURL(browser(), url);
 269   content::WebContents* tab =
 270       browser()->tab_strip_model()->GetActiveWebContents();
 271
 272   GetUserMediaAndAccept(tab);
 273
 274   std::vector<MediaDeviceInfo> devices;
 275   GetMediaDevices(tab, &devices);
 276
 277   std::vector<MediaDeviceInfo> sources;
 278   GetSources(tab, &sources);
 279
 280   std::vector<MediaDeviceInfo>::iterator sources_it = sources.begin();
 281   for (std::vector<MediaDeviceInfo>::iterator devices_it = devices.begin();
 282        devices_it != devices.end(); ++devices_it) {
 283     if (devices_it->kind == kDeviceKindAudioOutput)
 284       continue;
 285     EXPECT_STREQ(devices_it->device_id.c_str(), sources_it->device_id.c_str());
 286     if (devices_it->kind == kDeviceKindAudioInput) {
 287       EXPECT_STREQ(kSourceKindAudioInput, sources_it->kind.c_str());
 288     } else {
 289       EXPECT_STREQ(kSourceKindVideoInput, sources_it->kind.c_str());
 290     }
 291     EXPECT_TRUE(!devices_it->label.empty());
 292     EXPECT_STREQ(devices_it->label.c_str(), sources_it->label.c_str());
 293     ++sources_it;
 294   }
 295   EXPECT_EQ(sources.end(), sources_it);
 296 }