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Create Preserve Order Test 

Create WebVtt test that shows that the current implementation of the
webvtt segmenter does not respect the input order of cues.

Bug: 72867775
Change-Id: I811b3a93c10650e0cf9290c9c0c1680f562deb30
This commit is contained in:
Aaron Vaage 2018-02-02 14:28:10 -08:00
parent 04577b9638
commit 80ed014cf8
1 changed files with 61 additions and 0 deletions
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61
packager/media/formats/webvtt/webvtt_segmenter_unittest.cc
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@ -245,5 +245,66 @@ TEST_F(WebVttSegmenterTest, CueCrossesSegments) {
ASSERT_OK(Input(kInputIndex)->FlushAllDownstreams());
}
class WebVttSegmenterOrderTest : public MediaHandlerTestBase {};
TEST_F(WebVttSegmenterOrderTest, PreservesOrder) {
const size_t kInputs = 1;
const size_t kOutputs = 1;
const size_t kInput = 0;
const size_t kOutput = 0;
const uint64_t kDuration = 10000;
const int64_t kSegmentStart1 = 0;
const int64_t kSegmentStart2 = kDuration;
ASSERT_OK(SetUpAndInitializeGraph(
std::make_shared<WebVttSegmenter>(kDuration), kInputs, kOutputs));
{
testing::InSequence s;
EXPECT_CALL(*Output(kOutput), OnProcess(IsStreamInfo(kInput)));
// Segment One
EXPECT_CALL(*Output(kOutput),
OnProcess(IsTextSample("1", 5000u, 8500u, "",
"WebVtt testing Line 1 (5.0 - 8.5)")));
EXPECT_CALL(*Output(kOutput),
OnProcess(IsTextSample("2", 5000u, 8500u, "",
"WebVtt testing Line 2 (5.0 - 8.5)")));
EXPECT_CALL(*Output(kOutput),
OnProcess(IsTextSample("3", 5000u, 12500u, "",
"WebVtt testing (5.0 - 12.5)")));
EXPECT_CALL(*Output(kOutput), OnProcess(IsSegmentInfo(
kInput, kSegmentStart1, kSegmentDuration,
!kSubSegment, !kEncrypted)));
// Segment Two
EXPECT_CALL(*Output(kOutput),
OnProcess(IsTextSample("3", 5000u, 12500u, "",
"WebVtt testing (5.0 - 12.5)")));
EXPECT_CALL(*Output(kOutput), OnProcess(IsSegmentInfo(
kInput, kSegmentStart2, kSegmentDuration,
!kSubSegment, !kEncrypted)));
EXPECT_CALL(*Output(kOutput), OnFlush(kInput));
}
ASSERT_OK(Input(kInput)->Dispatch(
StreamData::FromStreamInfo(0, GetTextStreamInfo())));
ASSERT_OK(Input(kInput)->Dispatch(StreamData::FromTextSample(
kOutput,
GetTextSample("1", 5000, 8500, "WebVtt testing Line 1 (5.0 - 8.5)"))));
ASSERT_OK(Input(kInput)->Dispatch(StreamData::FromTextSample(
kOutput,
GetTextSample("2", 5000, 8500, "WebVtt testing Line 2 (5.0 - 8.5)"))));
ASSERT_OK(Input(kInput)->Dispatch(StreamData::FromTextSample(
kOutput,
GetTextSample("3", 5000, 12500, "WebVtt testing (5.0 - 12.5)"))));
ASSERT_OK(Input(kInputIndex)->FlushAllDownstreams());
}
} // namespace media
} // namespace shaka