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(media::VideoPixelFormat format,
  61                                          const gfx::Size& dimensions) override {
  62     DoReserveOutputBuffer();
  63     return scoped_ptr<Buffer>();
  64   }
  65   void OnIncomingCapturedBuffer(scoped_ptr<Buffer> buffer,
  66                                 const media::VideoCaptureFormat& frame_format,
  67                                 const base::TimeTicks& timestamp) override {
  68     DoOnIncomingCapturedBuffer();
  69   }
  70   void OnIncomingCapturedVideoFrame(
  71       scoped_ptr<Buffer> buffer,
  72       const scoped_refptr<media::VideoFrame>& frame,
  73       const base::TimeTicks& timestamp) override {
  74     DoOnIncomingCapturedVideoFrame();
  75   }
  76 };
  77
  78 // Test harness that sets up a minimal environment with necessary stubs.
  79 class DesktopCaptureDeviceAuraTest : public testing::Test {
  80  public:
  81   DesktopCaptureDeviceAuraTest()
  82       : browser_thread_for_ui_(BrowserThread::UI, &message_loop_) {}
  83   ~DesktopCaptureDeviceAuraTest() override {}
  84
  85  protected:
  86   void SetUp() override {
  87     // The ContextFactory must exist before any Compositors are created.
  88     bool enable_pixel_output = false;
  89     ui::ContextFactory* context_factory =
  90         ui::InitializeContextFactoryForTests(enable_pixel_output);
  91     helper_.reset(new aura::test::AuraTestHelper(&message_loop_));
  92     helper_->SetUp(context_factory);
  93     new wm::DefaultActivationClient(helper_->root_window());
  94
  95     // We need a window to cover desktop area so that DesktopCaptureDeviceAura
  96     // can use gfx::NativeWindow::GetWindowAtScreenPoint() to locate the
  97     // root window associated with the primary display.
  98     gfx::Rect desktop_bounds = root_window()->bounds();
  99     window_delegate_.reset(new aura::test::TestWindowDelegate());
 100     desktop_window_.reset(new aura::Window(window_delegate_.get()));
 101     desktop_window_->Init(ui::LAYER_TEXTURED);
 102     desktop_window_->SetBounds(desktop_bounds);
 103     aura::client::ParentWindowWithContext(
 104         desktop_window_.get(), root_window(), desktop_bounds);
 105     desktop_window_->Show();
 106   }
 107
 108   void TearDown() override {
 109     helper_->RunAllPendingInMessageLoop();
 110     root_window()->RemoveChild(desktop_window_.get());
 111     desktop_window_.reset();
 112     window_delegate_.reset();
 113     helper_->TearDown();
 114     ui::TerminateContextFactoryForTests();
 115   }
 116
 117   aura::Window* root_window() { return helper_->root_window(); }
 118
 119  private:
 120   base::MessageLoopForUI message_loop_;
 121   BrowserThreadImpl browser_thread_for_ui_;
 122   scoped_ptr<aura::test::AuraTestHelper> helper_;
 123   scoped_ptr<aura::Window> desktop_window_;
 124   scoped_ptr<aura::test::TestWindowDelegate> window_delegate_;
 125
 126   DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDeviceAuraTest);
 127 };
 128
 129 TEST_F(DesktopCaptureDeviceAuraTest, StartAndStop) {
 130   scoped_ptr<media::VideoCaptureDevice> capture_device(
 131       DesktopCaptureDeviceAura::Create(
 132           content::DesktopMediaID::RegisterAuraWindow(root_window())));
 133
 134   scoped_ptr<MockDeviceClient> client(new MockDeviceClient());
 135   EXPECT_CALL(*client, OnError(_)).Times(0);
 136
 137   media::VideoCaptureParams capture_params;
 138   capture_params.requested_format.frame_size.SetSize(640, 480);
 139   capture_params.requested_format.frame_rate = kFrameRate;
 140   capture_params.requested_format.pixel_format = media::PIXEL_FORMAT_I420;
 141   capture_device->AllocateAndStart(capture_params, client.Pass());
 142   capture_device->StopAndDeAllocate();
 143 }
 144
 145 }  // namespace
 146 }  // namespace content