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
  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