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      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 
     21 namespace content {
     22 
     23 static const std::string kTestStreamUrl = "stream_url";
     24 static const std::string kTestVideoTrackId = "video_track_id";
     25 static const std::string kUnknownStreamUrl = "unknown_stream_url";
     26 
     27 class FakeFrameReader : public FrameReaderInterface {
     28  public:
     29   virtual bool GotFrame(
     30       const scoped_refptr<media::VideoFrame>& frame) OVERRIDE {
     31     last_frame_ = frame;
     32     return true;
     33   }
     34 
     35   const media::VideoFrame* last_frame() {
     36     return last_frame_.get();
     37   }
     38 
     39  private:
     40   scoped_refptr<media::VideoFrame> last_frame_;
     41 };
     42 
     43 class VideoSourceHandlerTest : public ::testing::Test {
     44  public:
     45   VideoSourceHandlerTest()
     46        : child_process_(new ChildProcess()),
     47          registry_() {
     48     handler_.reset(new VideoSourceHandler(&registry_));
     49     registry_.Init(kTestStreamUrl);
     50     registry_.AddVideoTrack(kTestVideoTrackId);
     51   }
     52 
     53  protected:
     54   base::MessageLoop message_loop_;
     55   scoped_ptr<ChildProcess> child_process_;
     56   scoped_ptr<VideoSourceHandler> handler_;
     57   MockMediaStreamRegistry registry_;
     58 };
     59 
     60 TEST_F(VideoSourceHandlerTest, OpenClose) {
     61   FakeFrameReader reader;
     62   // Unknow url will return false.
     63   EXPECT_FALSE(handler_->Open(kUnknownStreamUrl, &reader));
     64   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
     65 
     66   int width = 640;
     67   int height = 360;
     68   base::TimeDelta ts = base::TimeDelta::FromInternalValue(789012);
     69 
     70   // A new frame is captured.
     71   scoped_refptr<media::VideoFrame> captured_frame =
     72       media::VideoFrame::CreateBlackFrame(gfx::Size(width, height));
     73   captured_frame->set_timestamp(ts);
     74 
     75   // The frame is delivered to VideoSourceHandler.
     76   handler_->DeliverFrameForTesting(&reader, captured_frame);
     77 
     78   // Compare |frame| to |captured_frame|.
     79   const media::VideoFrame* frame = reader.last_frame();
     80   ASSERT_TRUE(frame != NULL);
     81   EXPECT_EQ(width, frame->coded_size().width());
     82   EXPECT_EQ(height, frame->coded_size().height());
     83   EXPECT_EQ(ts, frame->timestamp());
     84   EXPECT_EQ(captured_frame->data(media::VideoFrame::kYPlane),
     85             frame->data(media::VideoFrame::kYPlane));
     86 
     87   EXPECT_FALSE(handler_->Close(NULL));
     88   EXPECT_TRUE(handler_->Close(&reader));
     89 }
     90 
     91 TEST_F(VideoSourceHandlerTest, OpenWithoutClose) {
     92   FakeFrameReader reader;
     93   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
     94 }
     95 
     96 }  // namespace content
     97