src/content/renderer/media/video_source_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/strings/utf_string_conversions.h"
   9 #include "content/child/child_process.h"
  10 #include "content/common/media/video_capture.h"
  11 #include "content/public/renderer/media_stream_video_sink.h"
  12 #include "content/renderer/media/media_stream.h"
  13 #include "content/renderer/media/media_stream_registry_interface.h"
  14 #include "content/renderer/media/mock_media_stream_registry.h"
  15 #include "content/renderer/media/video_source_handler.h"
  16 #include "testing/gmock/include/gmock/gmock.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  19 #include "third_party/WebKit/public/platform/WebString.h"
  20 #include "third_party/WebKit/public/web/WebHeap.h"
  21
  22 namespace content {
  23
  24 static const std::string kTestStreamUrl = "stream_url";
  25 static const std::string kTestVideoTrackId = "video_track_id";
  26 static const std::string kUnknownStreamUrl = "unknown_stream_url";
  27
  28 class FakeFrameReader : public FrameReaderInterface {
  29  public:
  30   virtual bool GotFrame(
  31       const scoped_refptr<media::VideoFrame>& frame) OVERRIDE {
  32     last_frame_ = frame;
  33     return true;
  34   }
  35
  36   const media::VideoFrame* last_frame() {
  37     return last_frame_.get();
  38   }
  39
  40  private:
  41   scoped_refptr<media::VideoFrame> last_frame_;
  42 };
  43
  44 class VideoSourceHandlerTest : public ::testing::Test {
  45  public:
  46   VideoSourceHandlerTest()
  47        : child_process_(new ChildProcess()),
  48          registry_(new MockMediaStreamRegistry()) {
  49     handler_.reset(new VideoSourceHandler(registry_.get()));
  50     registry_->Init(kTestStreamUrl);
  51     registry_->AddVideoTrack(kTestVideoTrackId);
  52   }
  53
  54   virtual void TearDown() {
  55     registry_.reset();
  56     blink::WebHeap::collectAllGarbageForTesting();
  57   }
  58
  59  protected:
  60   base::MessageLoop message_loop_;
  61   scoped_ptr<ChildProcess> child_process_;
  62   scoped_ptr<VideoSourceHandler> handler_;
  63   scoped_ptr<MockMediaStreamRegistry> registry_;
  64 };
  65
  66 TEST_F(VideoSourceHandlerTest, OpenClose) {
  67   FakeFrameReader reader;
  68   // Unknow url will return false.
  69   EXPECT_FALSE(handler_->Open(kUnknownStreamUrl, &reader));
  70   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
  71
  72   int width = 640;
  73   int height = 360;
  74   base::TimeDelta ts = base::TimeDelta::FromInternalValue(789012);
  75
  76   // A new frame is captured.
  77   scoped_refptr<media::VideoFrame> captured_frame =
  78       media::VideoFrame::CreateBlackFrame(gfx::Size(width, height));
  79   captured_frame->set_timestamp(ts);
  80
  81   // The frame is delivered to VideoSourceHandler.
  82   handler_->DeliverFrameForTesting(&reader, captured_frame);
  83
  84   // Compare |frame| to |captured_frame|.
  85   const media::VideoFrame* frame = reader.last_frame();
  86   ASSERT_TRUE(frame != NULL);
  87   EXPECT_EQ(width, frame->coded_size().width());
  88   EXPECT_EQ(height, frame->coded_size().height());
  89   EXPECT_EQ(ts, frame->timestamp());
  90   EXPECT_EQ(captured_frame->data(media::VideoFrame::kYPlane),
  91             frame->data(media::VideoFrame::kYPlane));
  92
  93   EXPECT_FALSE(handler_->Close(NULL));
  94   EXPECT_TRUE(handler_->Close(&reader));
  95 }
  96
  97 TEST_F(VideoSourceHandlerTest, OpenWithoutClose) {
  98   FakeFrameReader reader;
  99   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
 100 }
 101
 102 }  // namespace content