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| 1 // Copyright 2016 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 "content/browser/renderer_host/media/media_devices_dispatcher_host.h" |
| 6 |
| 7 #include <stddef.h> |
| 8 |
| 9 #include <memory> |
| 10 #include <queue> |
| 11 #include <utility> |
| 12 #include <vector> |
| 13 |
| 14 #include "base/bind.h" |
| 15 #include "base/command_line.h" |
| 16 #include "base/run_loop.h" |
| 17 #include "base/threading/thread_task_runner_handle.h" |
| 18 #include "content/browser/renderer_host/media/media_stream_manager.h" |
| 19 #include "content/browser/renderer_host/media/media_stream_ui_proxy.h" |
| 20 #include "content/browser/renderer_host/media/video_capture_manager.h" |
| 21 #include "content/public/browser/media_device_id.h" |
| 22 #include "content/public/test/mock_resource_context.h" |
| 23 #include "content/public/test/test_browser_context.h" |
| 24 #include "content/public/test/test_browser_thread_bundle.h" |
| 25 #include "media/audio/audio_device_description.h" |
| 26 #include "media/audio/mock_audio_manager.h" |
| 27 #include "media/base/media_switches.h" |
| 28 #include "media/capture/video/fake_video_capture_device_factory.h" |
| 29 #include "testing/gmock/include/gmock/gmock.h" |
| 30 #include "testing/gtest/include/gtest/gtest.h" |
| 31 #include "url/origin.h" |
| 32 |
| 33 namespace content { |
| 34 |
| 35 namespace { |
| 36 |
| 37 const int kProcessId = 5; |
| 38 const int kRenderId = 6; |
| 39 |
| 40 void PhysicalDevicesEnumerated(base::Closure quit_closure, |
| 41 MediaDeviceEnumeration* out, |
| 42 const MediaDeviceEnumeration& enumeration) { |
| 43 *out = enumeration; |
| 44 quit_closure.Run(); |
| 45 } |
| 46 |
| 47 } // namespace |
| 48 |
| 49 class MediaDevicesDispatcherHostTest : public testing::Test { |
| 50 public: |
| 51 MediaDevicesDispatcherHostTest() |
| 52 : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP), |
| 53 origin_(GURL("https://test.com")) { |
| 54 // Make sure we use fake devices to avoid long delays. |
| 55 base::CommandLine::ForCurrentProcess()->AppendSwitch( |
| 56 switches::kUseFakeDeviceForMediaStream); |
| 57 audio_manager_.reset( |
| 58 new media::MockAudioManager(base::ThreadTaskRunnerHandle::Get())); |
| 59 media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get())); |
| 60 |
| 61 MockResourceContext* mock_resource_context = |
| 62 static_cast<MockResourceContext*>( |
| 63 browser_context_.GetResourceContext()); |
| 64 |
| 65 host_ = base::MakeUnique<MediaDevicesDispatcherHost>( |
| 66 kProcessId, kRenderId, mock_resource_context->GetMediaDeviceIDSalt(), |
| 67 media_stream_manager_.get(), true /* use_fake_ui */); |
| 68 } |
| 69 |
| 70 void SetUp() override { |
| 71 base::RunLoop run_loop; |
| 72 MediaDevicesManager::BoolDeviceTypes devices_to_enumerate; |
| 73 devices_to_enumerate[MEDIA_DEVICE_TYPE_AUDIO_INPUT] = true; |
| 74 devices_to_enumerate[MEDIA_DEVICE_TYPE_VIDEO_INPUT] = true; |
| 75 devices_to_enumerate[MEDIA_DEVICE_TYPE_AUDIO_OUTPUT] = true; |
| 76 media_stream_manager_->media_devices_manager()->EnumerateDevices( |
| 77 devices_to_enumerate, |
| 78 base::Bind(&PhysicalDevicesEnumerated, run_loop.QuitClosure(), |
| 79 &physical_devices_)); |
| 80 run_loop.Run(); |
| 81 |
| 82 ASSERT_GT(physical_devices_[MEDIA_DEVICE_TYPE_AUDIO_INPUT].size(), 0u); |
| 83 ASSERT_GT(physical_devices_[MEDIA_DEVICE_TYPE_VIDEO_INPUT].size(), 0u); |
| 84 ASSERT_GT(physical_devices_[MEDIA_DEVICE_TYPE_AUDIO_OUTPUT].size(), 0u); |
| 85 } |
| 86 |
| 87 protected: |
| 88 void DevicesEnumerated( |
| 89 const base::Closure& closure, |
| 90 const std::vector<std::vector<MediaDeviceInfo>>& devices) { |
| 91 enumerated_devices_ = devices; |
| 92 closure.Run(); |
| 93 } |
| 94 |
| 95 void EnumerateDevicesAndWaitForResult( |
| 96 bool enumerate_audio_input, |
| 97 bool enumerate_video_input, |
| 98 bool enumerate_audio_output, |
| 99 std::unique_ptr<MediaStreamUIProxy> ui_proxy) { |
| 100 if (ui_proxy) |
| 101 host_->SetFakeUIProxyForTesting(std::move(ui_proxy)); |
| 102 base::RunLoop run_loop; |
| 103 host_->EnumerateDevices( |
| 104 enumerate_audio_input, enumerate_video_input, enumerate_audio_output, |
| 105 origin_, base::Bind(&MediaDevicesDispatcherHostTest::DevicesEnumerated, |
| 106 base::Unretained(this), run_loop.QuitClosure())); |
| 107 run_loop.Run(); |
| 108 |
| 109 ASSERT_FALSE(enumerated_devices_.empty()); |
| 110 if (enumerate_audio_input) |
| 111 EXPECT_FALSE(enumerated_devices_[MEDIA_DEVICE_TYPE_AUDIO_INPUT].empty()); |
| 112 if (enumerate_video_input) |
| 113 EXPECT_FALSE(enumerated_devices_[MEDIA_DEVICE_TYPE_VIDEO_INPUT].empty()); |
| 114 if (enumerate_audio_output) |
| 115 EXPECT_FALSE(enumerated_devices_[MEDIA_DEVICE_TYPE_AUDIO_OUTPUT].empty()); |
| 116 |
| 117 EXPECT_FALSE(DoesContainRawIds(enumerated_devices_)); |
| 118 EXPECT_TRUE(DoesEveryDeviceMapToRawId(enumerated_devices_, origin_)); |
| 119 } |
| 120 |
| 121 bool DoesContainRawIds( |
| 122 const std::vector<std::vector<MediaDeviceInfo>>& enumeration) { |
| 123 for (size_t i = 0; i < NUM_MEDIA_DEVICE_TYPES; ++i) { |
| 124 for (const auto& device_info : enumeration[i]) { |
| 125 for (const auto& raw_device_info : physical_devices_[i]) { |
| 126 // Skip default and communications audio devices, whose IDs are not |
| 127 // translated. |
| 128 if (device_info.device_id == |
| 129 media::AudioDeviceDescription::kDefaultDeviceId || |
| 130 device_info.device_id == |
| 131 media::AudioDeviceDescription::kCommunicationsDeviceId) { |
| 132 continue; |
| 133 } |
| 134 if (device_info.device_id == raw_device_info.device_id) |
| 135 return true; |
| 136 } |
| 137 } |
| 138 } |
| 139 return false; |
| 140 } |
| 141 |
| 142 bool DoesEveryDeviceMapToRawId( |
| 143 const std::vector<std::vector<MediaDeviceInfo>>& enumeration, |
| 144 const url::Origin& origin) { |
| 145 for (size_t i = 0; i < NUM_MEDIA_DEVICE_TYPES; ++i) { |
| 146 for (const auto& device_info : enumeration[i]) { |
| 147 bool found_match = false; |
| 148 for (const auto& raw_device_info : physical_devices_[i]) { |
| 149 if (DoesMediaDeviceIDMatchHMAC( |
| 150 browser_context_.GetResourceContext()->GetMediaDeviceIDSalt(), |
| 151 origin, device_info.device_id, raw_device_info.device_id)) { |
| 152 EXPECT_FALSE(found_match); |
| 153 found_match = true; |
| 154 } |
| 155 } |
| 156 if (!found_match) |
| 157 return false; |
| 158 } |
| 159 } |
| 160 return true; |
| 161 } |
| 162 |
| 163 // Returns true if all devices have labels, false otherwise. |
| 164 bool DoesContainLabels( |
| 165 const std::vector<std::vector<MediaDeviceInfo>>& enumeration) { |
| 166 for (const auto& device_info_array : enumeration) { |
| 167 for (const auto& device_info : device_info_array) { |
| 168 if (device_info.label.empty()) |
| 169 return false; |
| 170 } |
| 171 } |
| 172 return true; |
| 173 } |
| 174 |
| 175 // Returns true if no devices have labels, false otherwise. |
| 176 bool DoesNotContainLabels( |
| 177 const std::vector<std::vector<MediaDeviceInfo>>& enumeration) { |
| 178 for (const auto& device_info_array : enumeration) { |
| 179 for (const auto& device_info : device_info_array) { |
| 180 if (!device_info.label.empty()) |
| 181 return false; |
| 182 } |
| 183 } |
| 184 return true; |
| 185 } |
| 186 |
| 187 std::unique_ptr<MediaDevicesDispatcherHost> host_; |
| 188 std::unique_ptr<MediaStreamManager> media_stream_manager_; |
| 189 content::TestBrowserThreadBundle thread_bundle_; |
| 190 std::unique_ptr<media::AudioManager, media::AudioManagerDeleter> |
| 191 audio_manager_; |
| 192 content::TestBrowserContext browser_context_; |
| 193 MediaDeviceEnumeration physical_devices_; |
| 194 url::Origin origin_; |
| 195 |
| 196 std::vector<std::vector<MediaDeviceInfo>> enumerated_devices_; |
| 197 }; |
| 198 |
| 199 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAudioInputDevices) { |
| 200 EnumerateDevicesAndWaitForResult(true, false, false, nullptr); |
| 201 EXPECT_TRUE(DoesContainLabels(enumerated_devices_)); |
| 202 } |
| 203 |
| 204 TEST_F(MediaDevicesDispatcherHostTest, EnumerateVideoInputDevices) { |
| 205 EnumerateDevicesAndWaitForResult(false, true, false, nullptr); |
| 206 EXPECT_TRUE(DoesContainLabels(enumerated_devices_)); |
| 207 } |
| 208 |
| 209 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAudioOutputDevices) { |
| 210 EnumerateDevicesAndWaitForResult(false, false, true, nullptr); |
| 211 EXPECT_TRUE(DoesContainLabels(enumerated_devices_)); |
| 212 } |
| 213 |
| 214 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAllDevices) { |
| 215 EnumerateDevicesAndWaitForResult(true, true, true, nullptr); |
| 216 EXPECT_TRUE(DoesContainLabels(enumerated_devices_)); |
| 217 } |
| 218 |
| 219 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAudioInputDevicesNoAccess) { |
| 220 std::unique_ptr<FakeMediaStreamUIProxy> fake_ui_proxy = |
| 221 base::MakeUnique<FakeMediaStreamUIProxy>(); |
| 222 fake_ui_proxy->SetMicAccess(false); |
| 223 EnumerateDevicesAndWaitForResult(true, false, false, |
| 224 std::move(fake_ui_proxy)); |
| 225 EXPECT_TRUE(DoesNotContainLabels(enumerated_devices_)); |
| 226 } |
| 227 |
| 228 TEST_F(MediaDevicesDispatcherHostTest, EnumerateVideoInputDevicesNoAccess) { |
| 229 std::unique_ptr<FakeMediaStreamUIProxy> fake_ui_proxy = |
| 230 base::MakeUnique<FakeMediaStreamUIProxy>(); |
| 231 fake_ui_proxy->SetCameraAccess(false); |
| 232 EnumerateDevicesAndWaitForResult(false, true, false, |
| 233 std::move(fake_ui_proxy)); |
| 234 EXPECT_TRUE(DoesNotContainLabels(enumerated_devices_)); |
| 235 } |
| 236 |
| 237 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAudioOutputDevicesNoAccess) { |
| 238 std::unique_ptr<FakeMediaStreamUIProxy> fake_ui_proxy = |
| 239 base::MakeUnique<FakeMediaStreamUIProxy>(); |
| 240 fake_ui_proxy->SetMicAccess(false); |
| 241 EnumerateDevicesAndWaitForResult(false, false, true, |
| 242 std::move(fake_ui_proxy)); |
| 243 EXPECT_TRUE(DoesNotContainLabels(enumerated_devices_)); |
| 244 } |
| 245 |
| 246 TEST_F(MediaDevicesDispatcherHostTest, EnumerateAllDevicesNoAccess) { |
| 247 std::unique_ptr<FakeMediaStreamUIProxy> fake_ui_proxy = |
| 248 base::MakeUnique<FakeMediaStreamUIProxy>(); |
| 249 fake_ui_proxy->SetMicAccess(false); |
| 250 fake_ui_proxy->SetCameraAccess(false); |
| 251 EnumerateDevicesAndWaitForResult(true, true, true, std::move(fake_ui_proxy)); |
| 252 EXPECT_TRUE(DoesNotContainLabels(enumerated_devices_)); |
| 253 } |
| 254 |
| 255 }; // namespace content |
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