Rename VideoCaptureHostTest to VideoCaptureTest to reflect what it is

content/browser/renderer_host/media/video_capture_host_unittest.cc

Index: content/browser/renderer_host/media/video_capture_host_unittest.cc
diff --git a/content/browser/renderer_host/media/video_capture_host_unittest.cc b/content/browser/renderer_host/media/video_capture_host_unittest.cc
deleted file mode 100644
index 48679a438720af110c5db3950106075e50535f33..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/media/video_capture_host_unittest.cc
+++ /dev/null
@@ -1,362 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/browser/renderer_host/media/video_capture_host.h"
-
-#include <stdint.h>
-
-#include <map>
-#include <memory>
-#include <string>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/location.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "build/build_config.h"
-#include "content/browser/browser_thread_impl.h"
-#include "content/browser/renderer_host/media/media_stream_manager.h"
-#include "content/browser/renderer_host/media/media_stream_requester.h"
-#include "content/browser/renderer_host/media/video_capture_manager.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/test/mock_resource_context.h"
-#include "content/public/test/test_browser_context.h"
-#include "content/public/test/test_browser_thread_bundle.h"
-#include "content/test/test_content_browser_client.h"
-#include "media/audio/mock_audio_manager.h"
-#include "media/base/media_switches.h"
-#include "media/base/video_capture_types.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "net/url_request/url_request_context.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using ::testing::_;
-using ::testing::AnyNumber;
-using ::testing::DoAll;
-using ::testing::InSequence;
-using ::testing::Mock;
-using ::testing::Return;
-using ::testing::SaveArg;
-using ::testing::StrictMock;
-
-namespace content {
-
-// Id used to identify the capture session between renderer and
-// video_capture_host. This is an arbitrary value.
-static const int kDeviceId = 555;
-
-class MockMediaStreamRequester : public MediaStreamRequester {
- public:
-  MockMediaStreamRequester() {}
-  virtual ~MockMediaStreamRequester() {}
-
-  // MediaStreamRequester implementation.
-  MOCK_METHOD5(StreamGenerated,
-               void(int render_frame_id,
-                    int page_request_id,
-                    const std::string& label,
-                    const StreamDeviceInfoArray& audio_devices,
-                    const StreamDeviceInfoArray& video_devices));
-  MOCK_METHOD3(StreamGenerationFailed,
-      void(int render_frame_id,
-           int page_request_id,
-           content::MediaStreamRequestResult result));
-  MOCK_METHOD3(DeviceStopped, void(int render_frame_id,
-                                   const std::string& label,
-                                   const StreamDeviceInfo& device));
-  MOCK_METHOD4(DevicesEnumerated, void(int render_frame_id,
-                                       int page_request_id,
-                                       const std::string& label,
-                                       const StreamDeviceInfoArray& devices));
-  MOCK_METHOD4(DeviceOpened, void(int render_frame_id,
-                                  int page_request_id,
-                                  const std::string& label,
-                                  const StreamDeviceInfo& device_info));
-  MOCK_METHOD1(DevicesChanged, void(MediaStreamType type));
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockMediaStreamRequester);
-};
-
-ACTION_P2(ExitMessageLoop, task_runner, quit_closure) {
-  task_runner->PostTask(FROM_HERE, quit_closure);
-}
-
-// This is an integration test of VideoCaptureHost in conjunction with
-// MediaStreamManager, VideoCaptureManager, VideoCaptureController, and
-// VideoCaptureDevice.
-class VideoCaptureHostTest : public testing::Test,
-                             public mojom::VideoCaptureObserver {
- public:
-  VideoCaptureHostTest()
-      : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
-        audio_manager_(
-            new media::MockAudioManager(base::ThreadTaskRunnerHandle::Get())),
-        task_runner_(base::ThreadTaskRunnerHandle::Get()),
-        opened_session_id_(kInvalidMediaCaptureSessionId),
-        observer_binding_(this) {}
-
-  void SetUp() override {
-    SetBrowserClientForTesting(&browser_client_);
-
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kUseFakeDeviceForMediaStream);
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kUseFakeUIForMediaStream);
-    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()));
-
-    // Create a Host and connect it to a simulated IPC channel.
-    host_.reset(new VideoCaptureHost(media_stream_manager_.get()));
-
-    OpenSession();
-  }
-
-  void TearDown() override {
-    Mock::VerifyAndClearExpectations(host_.get());
-    EXPECT_TRUE(host_->controllers_.empty());
-
-    CloseSession();
-
-    // Release the reference to the mock object. The object will be destructed
-    // on the current message loop.
-    host_ = nullptr;
-  }
-
-  void OpenSession() {
-    const int render_process_id = 1;
-    const int render_frame_id = 1;
-    const int page_request_id = 1;
-    const url::Origin security_origin(GURL("http://test.com"));
-
-    ASSERT_TRUE(opened_device_label_.empty());
-
-    // Enumerate video devices.
-    StreamDeviceInfoArray devices;
-    {
-      base::RunLoop run_loop;
-      std::string label = media_stream_manager_->EnumerateDevices(
-          &stream_requester_,
-          render_process_id,
-          render_frame_id,
-          browser_context_.GetResourceContext()->GetMediaDeviceIDSalt(),
-          page_request_id,
-          MEDIA_DEVICE_VIDEO_CAPTURE,
-          security_origin);
-      EXPECT_CALL(stream_requester_,
-                  DevicesEnumerated(render_frame_id, page_request_id, label, _))
-          .Times(1)
-          .WillOnce(DoAll(ExitMessageLoop(task_runner_, run_loop.QuitClosure()),
-                          SaveArg<3>(&devices)));
-      run_loop.Run();
-      Mock::VerifyAndClearExpectations(&stream_requester_);
-      media_stream_manager_->CancelRequest(label);
-    }
-    ASSERT_FALSE(devices.empty());
-    ASSERT_EQ(StreamDeviceInfo::kNoId, devices[0].session_id);
-
-    // Open the first device.
-    {
-      base::RunLoop run_loop;
-      StreamDeviceInfo opened_device;
-      media_stream_manager_->OpenDevice(
-          &stream_requester_,
-          render_process_id,
-          render_frame_id,
-          browser_context_.GetResourceContext()->GetMediaDeviceIDSalt(),
-          page_request_id,
-          devices[0].device.id,
-          MEDIA_DEVICE_VIDEO_CAPTURE,
-          security_origin);
-      EXPECT_CALL(stream_requester_,
-                  DeviceOpened(render_frame_id, page_request_id, _, _))
-          .Times(1)
-          .WillOnce(DoAll(ExitMessageLoop(task_runner_, run_loop.QuitClosure()),
-                          SaveArg<2>(&opened_device_label_),
-                          SaveArg<3>(&opened_device)));
-      run_loop.Run();
-      Mock::VerifyAndClearExpectations(&stream_requester_);
-      ASSERT_NE(StreamDeviceInfo::kNoId, opened_device.session_id);
-      opened_session_id_ = opened_device.session_id;
-    }
-  }
-
-  void CloseSession() {
-    if (opened_device_label_.empty())
-      return;
-    media_stream_manager_->CancelRequest(opened_device_label_);
-    opened_device_label_.clear();
-    opened_session_id_ = kInvalidMediaCaptureSessionId;
-  }
-
- protected:
-  // mojom::VideoCaptureObserver implementation.
-  MOCK_METHOD1(OnStateChanged, void(mojom::VideoCaptureState));
-  void OnBufferCreated(int32_t buffer_id,
-                       mojo::ScopedSharedBufferHandle handle) override {
-    DoOnBufferCreated(buffer_id);
-  }
-  MOCK_METHOD1(DoOnBufferCreated, void(int32_t));
-  void OnBufferReady(int32_t buffer_id,
-                     mojom::VideoFrameInfoPtr info) override {
-    DoOnBufferReady(buffer_id);
-  }
-  MOCK_METHOD1(DoOnBufferReady, void(int32_t));
-  MOCK_METHOD1(OnBufferDestroyed, void(int32_t));
-
-  void StartCapture() {
-    base::RunLoop run_loop;
-    media::VideoCaptureParams params;
-    params.requested_format = media::VideoCaptureFormat(
-        gfx::Size(352, 288), 30, media::PIXEL_FORMAT_I420);
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::STARTED));
-    EXPECT_CALL(*this, DoOnBufferCreated(_))
-        .Times(AnyNumber())
-        .WillRepeatedly(Return());
-    EXPECT_CALL(*this, DoOnBufferReady(_))
-        .Times(AnyNumber())
-        .WillRepeatedly(ExitMessageLoop(task_runner_, run_loop.QuitClosure()));
-
-    host_->Start(kDeviceId, opened_session_id_, params,
-                 observer_binding_.CreateInterfacePtrAndBind());
-
-    run_loop.Run();
-  }
-
-  void StartAndImmediateStopCapture() {
-    // Quickly start and then stop capture, without giving much chance for
-    // asynchronous capture operations to produce frames.
-    InSequence s;
-    base::RunLoop run_loop;
-
-    media::VideoCaptureParams params;
-    params.requested_format = media::VideoCaptureFormat(
-        gfx::Size(352, 288), 30, media::PIXEL_FORMAT_I420);
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::STARTED));
-    host_->Start(kDeviceId, opened_session_id_, params,
-                 observer_binding_.CreateInterfacePtrAndBind());
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::STOPPED));
-    host_->Stop(kDeviceId);
-    run_loop.RunUntilIdle();
-  }
-
-  void PauseResumeCapture() {
-    InSequence s;
-    base::RunLoop run_loop;
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::PAUSED));
-    host_->Pause(kDeviceId);
-
-    media::VideoCaptureParams params;
-    params.requested_format = media::VideoCaptureFormat(
-        gfx::Size(352, 288), 30, media::PIXEL_FORMAT_I420);
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::RESUMED));
-    host_->Resume(kDeviceId, opened_session_id_, params);
-    run_loop.RunUntilIdle();
-  }
-
-  void StopCapture() {
-    base::RunLoop run_loop;
-
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::STOPPED))
-        .WillOnce(ExitMessageLoop(task_runner_, run_loop.QuitClosure()));
-    host_->Stop(kDeviceId);
-
-    run_loop.Run();
-
-    EXPECT_TRUE(host_->controllers_.empty());
-  }
-
-  void WaitForOneCapturedBuffer() {
-    base::RunLoop run_loop;
-
-    EXPECT_CALL(*this, DoOnBufferReady(_))
-        .Times(AnyNumber())
-        .WillOnce(ExitMessageLoop(task_runner_, run_loop.QuitClosure()))
-        .RetiresOnSaturation();
-    run_loop.Run();
-  }
-
-  void SimulateError() {
-    EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::FAILED));
-    VideoCaptureControllerID id(kDeviceId);
-    host_->OnError(id);
-    base::RunLoop().RunUntilIdle();
-  }
-
- private:
-  // |media_stream_manager_| needs to outlive |thread_bundle_| because it is a
-  // MessageLoop::DestructionObserver.
-  StrictMock<MockMediaStreamRequester> stream_requester_;
-  std::unique_ptr<MediaStreamManager> media_stream_manager_;
-  const content::TestBrowserThreadBundle thread_bundle_;
-  // |audio_manager_| needs to outlive |thread_bundle_| because it uses the
-  // underlying message loop.
-  media::ScopedAudioManagerPtr audio_manager_;
-  content::TestBrowserContext browser_context_;
-  content::TestContentBrowserClient browser_client_;
-  const scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  int opened_session_id_;
-  std::string opened_device_label_;
-
-  std::unique_ptr<VideoCaptureHost> host_;
-  mojo::Binding<mojom::VideoCaptureObserver> observer_binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(VideoCaptureHostTest);
-};
-
-// Construct and destruct all objects. This is a non trivial sequence.
-TEST_F(VideoCaptureHostTest, ConstructAndDestruct) {}
-
-TEST_F(VideoCaptureHostTest, StartAndImmediateStop) {
-  StartAndImmediateStopCapture();
-}
-
-TEST_F(VideoCaptureHostTest, StartAndCaptureAndStop) {
-  StartCapture();
-  WaitForOneCapturedBuffer();
-  WaitForOneCapturedBuffer();
-  StopCapture();
-}
-
-TEST_F(VideoCaptureHostTest, StartAndErrorAndStop) {
-  StartCapture();
-  SimulateError();
-  StopCapture();
-}
-
-TEST_F(VideoCaptureHostTest, StartAndCaptureAndError) {
-  EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::STOPPED))
-      .Times(0);
-  StartCapture();
-  WaitForOneCapturedBuffer();
-  SimulateError();
-  base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200));
-}
-
-TEST_F(VideoCaptureHostTest, StartAndPauseAndResumeAndStop) {
-  StartCapture();
-  PauseResumeCapture();
-  StopCapture();
-}
-
-TEST_F(VideoCaptureHostTest, CloseSessionWithoutStopping) {
-  StartCapture();
-
-  // When the session is closed via the stream without stopping capture, the
-  // ENDED event is sent.
-  EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::ENDED));
-  CloseSession();
-  base::RunLoop().RunUntilIdle();
-}
-
-}  // namespace content