content/renderer/media/webrtc/video_destination_handler_unittest.cc

   1 // Copyright (c) 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 <string>
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "content/child/child_process.h"
  11 #include "content/public/test/mock_render_thread.h"
  12 #include "content/renderer/media/media_stream.h"
  13 #include "content/renderer/media/media_stream_video_track.h"
  14 #include "content/renderer/media/mock_media_stream_registry.h"
  15 #include "content/renderer/media/mock_media_stream_video_sink.h"
  16 #include "content/renderer/media/webrtc/video_destination_handler.h"
  17 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
  18 #include "content/renderer/pepper/ppb_image_data_impl.h"
  19 #include "content/test/ppapi_unittest.h"
  20 #include "testing/gmock/include/gmock/gmock.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  23 #include "third_party/WebKit/public/platform/WebString.h"
  24 #include "third_party/WebKit/public/web/WebHeap.h"
  25
  26 using ::testing::_;
  27
  28 namespace content {
  29
  30 ACTION_P(RunClosure, closure) {
  31   closure.Run();
  32 }
  33
  34 static const std::string kTestStreamUrl = "stream_url";
  35 static const std::string kUnknownStreamUrl = "unknown_stream_url";
  36
  37 class VideoDestinationHandlerTest : public PpapiUnittest {
  38  public:
  39   VideoDestinationHandlerTest()
  40      : child_process_(new ChildProcess()),
  41        render_thread_(new MockRenderThread),
  42        registry_(new MockMediaStreamRegistry()) {
  43     registry_->Init(kTestStreamUrl);
  44   }
  45
  46   void TearDown() override {
  47     registry_.reset();
  48     blink::WebHeap::collectAllGarbageForTesting();
  49     PpapiUnittest::TearDown();
  50   }
  51
  52   base::MessageLoop* io_message_loop() const {
  53     return child_process_->io_message_loop();
  54   }
  55
  56  protected:
  57   scoped_ptr<ChildProcess> child_process_;
  58   scoped_ptr<MockRenderThread> render_thread_;
  59   scoped_ptr<MockMediaStreamRegistry> registry_;
  60 };
  61
  62 TEST_F(VideoDestinationHandlerTest, Open) {
  63   FrameWriterInterface* frame_writer = NULL;
  64   // Unknow url will return false.
  65   EXPECT_FALSE(VideoDestinationHandler::Open(registry_.get(),
  66                                              kUnknownStreamUrl, &frame_writer));
  67   EXPECT_TRUE(VideoDestinationHandler::Open(registry_.get(),
  68                                             kTestStreamUrl, &frame_writer));
  69   // The |frame_writer| is a proxy and is owned by whoever call Open.
  70   delete frame_writer;
  71 }
  72
  73 TEST_F(VideoDestinationHandlerTest, PutFrame) {
  74   FrameWriterInterface* frame_writer = NULL;
  75   EXPECT_TRUE(VideoDestinationHandler::Open(registry_.get(),
  76                                             kTestStreamUrl, &frame_writer));
  77   ASSERT_TRUE(frame_writer);
  78
  79   // Verify the video track has been added.
  80   const blink::WebMediaStream test_stream = registry_->test_stream();
  81   blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
  82   test_stream.videoTracks(video_tracks);
  83   ASSERT_EQ(1u, video_tracks.size());
  84
  85   // Verify the native video track has been added.
  86   MediaStreamVideoTrack* native_track =
  87       MediaStreamVideoTrack::GetVideoTrack(video_tracks[0]);
  88   ASSERT_TRUE(native_track != NULL);
  89
  90   MockMediaStreamVideoSink sink;
  91   native_track->AddSink(&sink, sink.GetDeliverFrameCB());
  92    scoped_refptr<PPB_ImageData_Impl> image(
  93       new PPB_ImageData_Impl(instance()->pp_instance(),
  94                              PPB_ImageData_Impl::ForTest()));
  95   image->Init(PP_IMAGEDATAFORMAT_BGRA_PREMUL, 640, 360, true);
  96   {
  97     base::RunLoop run_loop;
  98     base::Closure quit_closure = run_loop.QuitClosure();
  99
 100     EXPECT_CALL(sink, OnVideoFrame()).WillOnce(
 101         RunClosure(quit_closure));
 102     frame_writer->PutFrame(image.get(), 10);
 103     run_loop.Run();
 104     // Run all pending tasks to let the the test clean up before the test ends.
 105     // This is due to that
 106     // FrameWriterDelegate::FrameWriterDelegate::DeliverFrame use
 107     // PostTaskAndReply to the IO thread and expects the reply to process
 108     // on the main render thread to clean up its resources. However, the
 109     // QuitClosure above ends before that.
 110     base::MessageLoop::current()->RunUntilIdle();
 111   }
 112   EXPECT_EQ(1, sink.number_of_frames());
 113   native_track->RemoveSink(&sink);
 114
 115   // The |frame_writer| is a proxy and is owned by whoever call Open.
 116   delete frame_writer;
 117 }
 118
 119 }  // namespace content