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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/media/batching_media_log.h"
#include "base/memory/raw_ptr.h"
#include "base/test/simple_test_tick_clock.h"
#include "base/test/task_environment.h"
#include "base/test/test_mock_time_task_runner.h"
#include "content/public/test/mock_render_thread.h"
#include "media/base/buffering_state.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
namespace content {
class BatchingMediaLogTest;
class TestEventHandler : public BatchingMediaLog::EventHandler {
public:
explicit TestEventHandler(BatchingMediaLogTest* test_cls)
: test_cls_(test_cls) {}
void SendQueuedMediaEvents(
std::vector<media::MediaLogRecord> events) override;
void OnWebMediaPlayerDestroyed() override;
static std::vector<std::unique_ptr<BatchingMediaLog::EventHandler>> Create(
BatchingMediaLogTest* ptr) {
std::vector<std::unique_ptr<BatchingMediaLog::EventHandler>> move_me;
move_me.push_back(std::make_unique<TestEventHandler>(ptr));
return move_me;
}
private:
raw_ptr<BatchingMediaLogTest> test_cls_;
};
class BatchingMediaLogTest : public testing::Test {
public:
BatchingMediaLogTest()
: task_runner_(new base::TestMockTimeTaskRunner()),
log_(task_runner_, TestEventHandler::Create(this)) {
log_.SetTickClockForTesting(&tick_clock_);
}
BatchingMediaLogTest(const BatchingMediaLogTest&) = delete;
BatchingMediaLogTest& operator=(const BatchingMediaLogTest&) = delete;
~BatchingMediaLogTest() override { task_runner_->ClearPendingTasks(); }
template <media::MediaLogEvent T, typename... Opt>
void AddEvent(const Opt&... opts) {
log_.AddEvent<T, Opt...>(opts...);
// AddEvent() could post. Run the task runner to make sure it's
// executed.
task_runner_->RunUntilIdle();
}
void Advance(base::TimeDelta delta) {
tick_clock_.Advance(delta);
task_runner_->FastForwardBy(delta);
}
int message_count() { return add_events_count_; }
std::vector<media::MediaLogRecord> GetMediaLogRecords() {
std::vector<media::MediaLogRecord> return_events = std::move(events_);
return return_events;
}
void AddMessage(media::MediaLogMessageLevel level, std::string message) {
log_.AddMessage(level, message);
}
private:
friend class TestEventHandler;
void AddEventsForTesting(std::vector<media::MediaLogRecord> events) {
events_.insert(events_.end(), events.begin(), events.end());
add_events_count_++;
}
int add_events_count_ = 0;
std::vector<media::MediaLogRecord> events_;
base::test::TaskEnvironment task_environment_;
MockRenderThread render_thread_;
base::SimpleTestTickClock tick_clock_;
scoped_refptr<base::TestMockTimeTaskRunner> task_runner_;
protected:
BatchingMediaLog log_;
};
void TestEventHandler::SendQueuedMediaEvents(
std::vector<media::MediaLogRecord> events) {
test_cls_->AddEventsForTesting(events);
}
void TestEventHandler::OnWebMediaPlayerDestroyed() {}
TEST_F(BatchingMediaLogTest, ThrottleSendingEvents) {
AddEvent<media::MediaLogEvent::kPlay>();
EXPECT_EQ(0, message_count());
// Still shouldn't send anything.
Advance(base::Milliseconds(500));
AddEvent<media::MediaLogEvent::kPause>();
EXPECT_EQ(0, message_count());
// Now we should expect an IPC.
Advance(base::Milliseconds(500));
EXPECT_EQ(1, message_count());
// Verify contents.
std::vector<media::MediaLogRecord> events = GetMediaLogRecords();
ASSERT_EQ(3u, events.size());
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[0].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[1].type);
// Adding another event shouldn't send anything.
log_.NotifyError(media::PipelineStatus(media::AUDIO_RENDERER_ERROR));
EXPECT_EQ(1, message_count());
}
TEST_F(BatchingMediaLogTest, LimitEvents) {
// Add 2x the log limit in suspend messages.
for (size_t i = 0; i < media::MediaLog::kLogLimit * 2; ++i) {
AddEvent<media::MediaLogEvent::kSuspended>();
}
Advance(base::Milliseconds(1100));
EXPECT_EQ(media::MediaLog::kLogLimit + 1, GetMediaLogRecords().size());
}
TEST_F(BatchingMediaLogTest, EventSentWithoutDelayAfterIpcInterval) {
AddEvent<media::MediaLogEvent::kPlay>();
Advance(base::Milliseconds(1000));
EXPECT_EQ(1, message_count());
// After the ipc send interval passes, the next event should be sent
// right away.
Advance(base::Milliseconds(2000));
AddEvent<media::MediaLogEvent::kPlay>();
EXPECT_EQ(2, message_count());
}
TEST_F(BatchingMediaLogTest, DurationChanged) {
AddEvent<media::MediaLogEvent::kPlay>();
AddEvent<media::MediaLogEvent::kPause>();
// This event is handled separately and should always appear last regardless
// of how many times we see it.
AddEvent<media::MediaLogEvent::kDurationChanged>(base::Milliseconds(1));
AddEvent<media::MediaLogEvent::kDurationChanged>(base::Milliseconds(2));
AddEvent<media::MediaLogEvent::kDurationChanged>(base::Milliseconds(3));
EXPECT_EQ(0, message_count());
Advance(base::Milliseconds(1000));
EXPECT_EQ(1, message_count());
// Verify contents. There should only be a single buffered extents changed
// event.
std::vector<media::MediaLogRecord> events = GetMediaLogRecords();
ASSERT_EQ(4u, events.size());
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[0].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[1].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[2].type);
}
TEST_F(BatchingMediaLogTest, PlayPause) {
for (int i = 0; i < 10; ++i) {
AddEvent<media::MediaLogEvent::kPlay>();
AddEvent<media::MediaLogEvent::kPause>();
}
EXPECT_EQ(0, message_count());
Advance(base::Milliseconds(1000));
EXPECT_EQ(1, message_count());
// Verify contents. There should only be a pair of play/pause events (and one
// log created event).
std::vector<media::MediaLogRecord> events = GetMediaLogRecords();
ASSERT_EQ(3u, events.size());
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[0].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[1].type);
}
TEST_F(BatchingMediaLogTest, BufferingStateChanged) {
AddEvent<media::MediaLogEvent::kPlay>();
AddEvent<media::MediaLogEvent::kPause>();
// This event is handled separately and should always appear last regardless
// of how many times we see it.
AddEvent<media::MediaLogEvent::kBufferingStateChanged>(
media::SerializableBufferingState<
media::SerializableBufferingStateType::kPipeline>{
media::BUFFERING_HAVE_NOTHING, media::BUFFERING_CHANGE_REASON_UNKNOWN,
false});
AddEvent<media::MediaLogEvent::kBufferingStateChanged>(
media::SerializableBufferingState<
media::SerializableBufferingStateType::kPipeline>{
media::BUFFERING_HAVE_NOTHING, media::BUFFERING_CHANGE_REASON_UNKNOWN,
false});
AddEvent<media::MediaLogEvent::kBufferingStateChanged>(
media::SerializableBufferingState<
media::SerializableBufferingStateType::kPipeline>{
media::BUFFERING_HAVE_ENOUGH, media::BUFFERING_CHANGE_REASON_UNKNOWN,
false});
EXPECT_EQ(0, message_count());
Advance(base::Milliseconds(1000));
EXPECT_EQ(1, message_count());
// Verify contents. There should only be a single buffered extents changed
// event.
std::vector<media::MediaLogRecord> events = GetMediaLogRecords();
ASSERT_EQ(4u, events.size());
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[0].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[1].type);
EXPECT_EQ(media::MediaLogRecord::Type::kMediaEventTriggered, events[2].type);
}
TEST_F(BatchingMediaLogTest, OnlyKeepsFirstErrorStringMessage) {
AddMessage(media::MediaLogMessageLevel::kERROR, "first error");
AddMessage(media::MediaLogMessageLevel::kERROR, "second error");
log_.NotifyError(media::PipelineStatus(media::DEMUXER_ERROR_DETECTED_HLS));
ASSERT_EQ(log_.GetErrorMessage(), "DEMUXER_ERROR_DETECTED_HLS: first error");
}
} // namespace content
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