Index: media/filters/webm_muxer_unittest.cc |
diff --git a/media/filters/webm_muxer_unittest.cc b/media/filters/webm_muxer_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..24eed95b2260678f99c12478d79d93087d26475a |
--- /dev/null |
+++ b/media/filters/webm_muxer_unittest.cc |
@@ -0,0 +1,140 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/bind.h" |
+#include "base/location.h" |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/run_loop.h" |
+#include "media/filters/webm_muxer.h" |
+#include "testing/gmock/include/gmock/gmock.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+using ::testing::_; |
+using ::testing::AtLeast; |
+using ::testing::Mock; |
+using ::testing::WithArgs; |
+ |
+namespace media { |
+ |
+// Dummy interface class to be able to MOCK its only function below. |
+class EventHandlerInterface { |
+ public: |
+ virtual void WriteCallback(const char* data, int len) {} |
+ virtual ~EventHandlerInterface() {} |
+}; |
+ |
+// Mock reference counted class to EXPECT calls to WriteCallback(). |
+class MockWebmMuxerEventHandler |
+ : public base::RefCounted<MockWebmMuxerEventHandler>, |
+ public EventHandlerInterface { |
+ public: |
+ MockWebmMuxerEventHandler() {} |
+ |
+ MOCK_METHOD2(WriteCallback, void(const char* data, int len)); |
+ |
+ private: |
+ friend class base::RefCounted<MockWebmMuxerEventHandler>; |
+ ~MockWebmMuxerEventHandler() override {} |
+ |
+ DISALLOW_COPY_AND_ASSIGN(MockWebmMuxerEventHandler); |
+}; |
+ |
+class WebmMuxerTest : public testing::Test { |
+ public: |
+ void SaveEncodedDataLen(int len) { |
+ last_encoded_length_ = len; |
+ accumulated_position_ += len; |
+ } |
+ |
+ protected: |
+ WebmMuxerTest() |
+ : loop_(new base::MessageLoop()), |
+ mock_handler_(new MockWebmMuxerEventHandler()), |
+ webm_muxer_(new WebmMuxer( |
+ base::Bind(&MockWebmMuxerEventHandler::WriteCallback, |
+ mock_handler_))), |
+ last_encoded_length_(0), |
+ accumulated_position_(0) {} |
+ |
+ void SetUp() override { |
+ EXPECT_EQ(webm_muxer_->Position(), 0); |
+ EXPECT_FALSE(webm_muxer_->Seekable()); |
+ EXPECT_EQ(webm_muxer_->segment_->mode(), mkvmuxer::Segment::kLive); |
+ } |
+ |
+ const scoped_ptr<base::MessageLoop> loop_; |
+ const scoped_refptr<MockWebmMuxerEventHandler> mock_handler_; |
+ const scoped_ptr<WebmMuxer> webm_muxer_; |
+ |
+ uint32_t last_encoded_length_, accumulated_position_; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(WebmMuxerTest); |
+}; |
+ |
+// Checks that the WriteCallback is called with appropriate params when |
+// WebmMuxer::Write() method is called. |
+TEST_F(WebmMuxerTest, Write) { |
+ const char encoded_data[] = "abcdefghijklmnopqrstuvwxyz"; |
+ const int encoded_len = arraysize(encoded_data); |
+ |
+ EXPECT_CALL(*mock_handler_.get(), |
+ WriteCallback(encoded_data, encoded_len)).Times(1); |
+ webm_muxer_->Write(encoded_data, encoded_len); |
+ base::RunLoop().RunUntilIdle(); |
+ |
+ EXPECT_EQ(webm_muxer_->Position(), encoded_len); |
+ Mock::VerifyAndClearExpectations(mock_handler_.get()); |
+} |
+ |
+// Checks that the WriteCallback is called with appropriate params when |
+// WebmMuxer::OnEncodedVideo() method is called. |
+TEST_F(WebmMuxerTest, OnEncodedVideo) { |
+ const std::string encoded_data("abcdefghijklmnopqrstuvwxyz"); |
+ |
+ EXPECT_CALL(*mock_handler_.get(), WriteCallback(_, _)) |
+ .Times(AtLeast(1)) |
+ .WillRepeatedly(WithArgs<1>( |
+ Invoke(this, &WebmMuxerTest::SaveEncodedDataLen))); |
+ webm_muxer_->OnEncodedVideo(0 /* track_index */, |
+ encoded_data, |
+ base::TimeTicks::Now(), |
+ false /* keyframe */, |
+ gfx::Size(320, 240) /* frame_size */, |
+ 30.0f /* frame_rate */); |
+ base::RunLoop().RunUntilIdle(); |
+ |
+ // First time around WriteCallback() is pinged a number of times to write the |
+ // Matroska header, but at the end it dumps |encoded_data|. |
+ EXPECT_EQ(last_encoded_length_, encoded_data.length()); |
+ EXPECT_EQ(webm_muxer_->Position(), accumulated_position_); |
+ EXPECT_GE(webm_muxer_->Position(), last_encoded_length_); |
+ const uint32_t begin_of_second_block = accumulated_position_; |
+ |
+ EXPECT_CALL(*mock_handler_.get(), WriteCallback(_, _)) |
+ .Times(AtLeast(1)) |
+ .WillRepeatedly(WithArgs<1>( |
+ Invoke(this, &WebmMuxerTest::SaveEncodedDataLen))); |
+ webm_muxer_->OnEncodedVideo(0 /* track_index */, |
+ encoded_data, |
+ base::TimeTicks::Now(), |
+ false /* keyframe */, |
+ gfx::Size(320, 240) /* frame_size */, |
+ 30.0f /* frame_rate */); |
+ base::RunLoop().RunUntilIdle(); |
+ |
+ // The second time around the callbacks should include a SimpleBlock header, |
+ // namely the track index, a timestamp and a flags byte, for a total of 6B. |
+ EXPECT_EQ(last_encoded_length_, encoded_data.length()); |
+ EXPECT_EQ(webm_muxer_->Position(), accumulated_position_); |
+ const uint32_t kSimpleBlockSize = 6u; |
+ EXPECT_EQ(begin_of_second_block + kSimpleBlockSize + encoded_data.length(), |
+ accumulated_position_); |
+ |
+ Mock::VerifyAndClearExpectations(mock_handler_.get()); |
+} |
miu
2015/07/16 01:46:26
Consider writing a test that encodes multiple trac
mcasas
2015/07/17 17:45:07
It is possible, I think Segment seems to output th
miu
2015/07/17 22:23:18
Weird. I guess no need to test that you can't do
|
+ |
+} // namespace media |