content/browser/media/capture/desktop_capture_device_aura_unittest.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 "content/browser/media/capture/desktop_capture_device_aura.h"
   6
   7 #include "base/synchronization/waitable_event.h"
   8 #include "content/browser/browser_thread_impl.h"
   9 #include "content/public/browser/desktop_media_id.h"
  10 #include "media/base/video_capture_types.h"
  11 #include "testing/gmock/include/gmock/gmock.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "ui/aura/client/window_tree_client.h"
  14 #include "ui/aura/test/aura_test_helper.h"
  15 #include "ui/aura/test/test_window_delegate.h"
  16 #include "ui/aura/window.h"
  17 #include "ui/compositor/test/context_factories_for_test.h"
  18 #include "ui/wm/core/default_activation_client.h"
  19
  20 using ::testing::_;
  21 using ::testing::AnyNumber;
  22 using ::testing::DoAll;
  23 using ::testing::Expectation;
  24 using ::testing::InvokeWithoutArgs;
  25 using ::testing::SaveArg;
  26
  27 namespace media {
  28 class VideoFrame;
  29 }  // namespace media
  30
  31 namespace content {
  32 namespace {
  33
  34 const int kFrameRate = 30;
  35
  36 class MockDeviceClient : public media::VideoCaptureDevice::Client {
  37  public:
  38   MOCK_METHOD5(OnIncomingCapturedData,
  39                void(const uint8* data,
  40                     int length,
  41                     const media::VideoCaptureFormat& frame_format,
  42                     int rotation,
  43                     const base::TimeTicks& timestamp));
  44   MOCK_METHOD9(OnIncomingCapturedYuvData,
  45                void (const uint8* y_data,
  46                      const uint8* u_data,
  47                      const uint8* v_data,
  48                      size_t y_stride,
  49                      size_t u_stride,
  50                      size_t v_stride,
  51                      const media::VideoCaptureFormat& frame_format,
  52                      int clockwise_rotation,
  53                      const base::TimeTicks& timestamp));
  54   MOCK_METHOD0(DoReserveOutputBuffer, void(void));
  55   MOCK_METHOD0(DoOnIncomingCapturedBuffer, void(void));
  56   MOCK_METHOD0(DoOnIncomingCapturedVideoFrame, void(void));
  57   MOCK_METHOD1(OnError, void(const std::string& reason));
  58
  59   // Trampoline methods to workaround GMOCK problems with scoped_ptr<>.
  60   scoped_ptr<Buffer> ReserveOutputBuffer(
  61       const gfx::Size& dimensions,
  62       media::VideoCapturePixelFormat format,
  63       media::VideoPixelStorage storage) override {
  64     EXPECT_TRUE((format == media::VIDEO_CAPTURE_PIXEL_FORMAT_I420 &&
  65                  storage == media::PIXEL_STORAGE_CPU) ||
  66                 (format == media::VIDEO_CAPTURE_PIXEL_FORMAT_ARGB &&
  67                  storage == media::PIXEL_STORAGE_TEXTURE));
  68     DoReserveOutputBuffer();
  69     return scoped_ptr<Buffer>();
  70   }
  71   void OnIncomingCapturedBuffer(scoped_ptr<Buffer> buffer,
  72                                 const media::VideoCaptureFormat& frame_format,
  73                                 const base::TimeTicks& timestamp) override {
  74     DoOnIncomingCapturedBuffer();
  75   }
  76   void OnIncomingCapturedVideoFrame(
  77       scoped_ptr<Buffer> buffer,
  78       const scoped_refptr<media::VideoFrame>& frame,
  79       const base::TimeTicks& timestamp) override {
  80     DoOnIncomingCapturedVideoFrame();
  81   }
  82
  83   double GetBufferPoolUtilization() const override { return 0.0; }
  84 };
  85
  86 // Test harness that sets up a minimal environment with necessary stubs.
  87 class DesktopCaptureDeviceAuraTest : public testing::Test {
  88  public:
  89   DesktopCaptureDeviceAuraTest()
  90       : browser_thread_for_ui_(BrowserThread::UI, &message_loop_) {}
  91   ~DesktopCaptureDeviceAuraTest() override {}
  92
  93  protected:
  94   void SetUp() override {
  95     // The ContextFactory must exist before any Compositors are created.
  96     bool enable_pixel_output = false;
  97     ui::ContextFactory* context_factory =
  98         ui::InitializeContextFactoryForTests(enable_pixel_output);
  99     helper_.reset(new aura::test::AuraTestHelper(&message_loop_));
 100     helper_->SetUp(context_factory);
 101     new wm::DefaultActivationClient(helper_->root_window());
 102
 103     // We need a window to cover desktop area so that DesktopCaptureDeviceAura
 104     // can use gfx::NativeWindow::GetWindowAtScreenPoint() to locate the
 105     // root window associated with the primary display.
 106     gfx::Rect desktop_bounds = root_window()->bounds();
 107     window_delegate_.reset(new aura::test::TestWindowDelegate());
 108     desktop_window_.reset(new aura::Window(window_delegate_.get()));
 109     desktop_window_->Init(ui::LAYER_TEXTURED);
 110     desktop_window_->SetBounds(desktop_bounds);
 111     aura::client::ParentWindowWithContext(
 112         desktop_window_.get(), root_window(), desktop_bounds);
 113     desktop_window_->Show();
 114   }
 115
 116   void TearDown() override {
 117     helper_->RunAllPendingInMessageLoop();
 118     root_window()->RemoveChild(desktop_window_.get());
 119     desktop_window_.reset();
 120     window_delegate_.reset();
 121     helper_->TearDown();
 122     ui::TerminateContextFactoryForTests();
 123   }
 124
 125   aura::Window* root_window() { return helper_->root_window(); }
 126
 127  private:
 128   base::MessageLoopForUI message_loop_;
 129   BrowserThreadImpl browser_thread_for_ui_;
 130   scoped_ptr<aura::test::AuraTestHelper> helper_;
 131   scoped_ptr<aura::Window> desktop_window_;
 132   scoped_ptr<aura::test::TestWindowDelegate> window_delegate_;
 133
 134   DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDeviceAuraTest);
 135 };
 136
 137 TEST_F(DesktopCaptureDeviceAuraTest, StartAndStop) {
 138   scoped_ptr<media::VideoCaptureDevice> capture_device(
 139       DesktopCaptureDeviceAura::Create(
 140           content::DesktopMediaID::RegisterAuraWindow(root_window())));
 141
 142   scoped_ptr<MockDeviceClient> client(new MockDeviceClient());
 143   EXPECT_CALL(*client, OnError(_)).Times(0);
 144
 145   media::VideoCaptureParams capture_params;
 146   capture_params.requested_format.frame_size.SetSize(640, 480);
 147   capture_params.requested_format.frame_rate = kFrameRate;
 148   capture_params.requested_format.pixel_format =
 149       media::VIDEO_CAPTURE_PIXEL_FORMAT_I420;
 150   capture_device->AllocateAndStart(capture_params, client.Pass());
 151   capture_device->StopAndDeAllocate();
 152 }
 153
 154 }  // namespace
 155 }  // namespace content