public void Should_not_left_some_buffers_in_stream_when_compressed_blocks_has_length_in_headers_and_blocks_smaller_than_buffer_limit()
{
var compressed = TestData.ShortFileContent.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection);
var stream = Enumerable.Range(0, 5).SelectMany(_ => compressed).ToArray().AsStream();
var splitter = new MimeTypeLengthGzipSplitter(compressed.Length * 2, log);
var rewindableStream = new RewindableReadonlyStream(stream);
splitter.SplitToIndependentBlocks(rewindableStream).Enumerate();
rewindableStream.ReturnedBuffer.Should().HaveCount(0);
}
public void Should_split_into_blocks_when_compressed_blocks_has_length_in_headers_and_blocks_smaller_than_buffer_limit()
{
var compressed = TestData.ShortFileContent.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection);
var stream = Enumerable.Range(0, 5).SelectMany(_ => compressed).ToArray().AsStream();
var splitter = new MimeTypeLengthGzipSplitter(compressed.Length * 2, log);
var rewindableStream = new RewindableReadonlyStream(stream);
var blocks = splitter.SplitToIndependentBlocks(rewindableStream).ToArray();
blocks.Should().HaveCount(6);
blocks.Take(5).Should().OnlyContain(x => x.HasBlock);
blocks[5].Status.Should().Be(GzipSplittingStatus.StreamIsEnd);
}
public void Should_return_a_block_when_it_compressed_with_length_in_header_and_smaller_than_buffer_limit()
{
var compressed = TestData.ShortFileContent.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection);
var stream = compressed.ToArray().AsStream();
var splitter = new MimeTypeLengthGzipSplitter(compressed.Length * 2, log);
var rewindableStream = new RewindableReadonlyStream(stream);
var blocks = splitter.SplitToIndependentBlocks(rewindableStream).ToArray();
blocks.Should().HaveCount(2);
blocks[0].HasBlock.Should().BeTrue();
blocks[1].Status.Should().Be(GzipSplittingStatus.StreamIsEnd);
}
public void Should_split_into_correctly_decomressable_independent_blocks()
{
var expectedBlockStrings = Enumerable.Range(0, 5)
.Select(x => x + " " + TestData.ShortFileContent.Shuffle())
.ToArray();
var stream = expectedBlockStrings.SelectMany(x => x.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection)).ToArray().AsStream();
var splitter = new MimeTypeLengthGzipSplitter(int.MaxValue, log);
var rewindableStream = new RewindableReadonlyStream(stream);
var blocks = splitter.SplitToIndependentBlocks(rewindableStream).ToArray();
blocks.Should().HaveCount(6);
blocks.Take(5).Should().OnlyContain(x => x.HasBlock);
blocks[5].Status.Should().Be(GzipSplittingStatus.StreamIsEnd);
var actualBlocksStrings = blocks.Take(5).Select(x => x.Block.Decompress().AsString()).ToArray();
actualBlocksStrings.Should().BeEquivalentTo(expectedBlockStrings);
}
public void Should_not_to_split_stream_and_return_used_bytes_when_first_block_have_invalid_length(BrokenLengthCases theCase)
{
var wrongLengthInHeader = TestData.ShortFileContent.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection);
var expectedReadedBytes = SetLengthToHeader(wrongLengthInHeader, theCase);
var withLengthInHeader = TestData.ShortFileContent.CompessWithDecompressionHelp(DecompressionHelpMode.BlockLengthInMimetypeSection);
var bytes = Enumerable.Range(0, 5)
.Select(_ => withLengthInHeader)
.Prepend(wrongLengthInHeader)
.SelectMany(x => x)
.ToArray();
var stream = bytes.AsStream();
var splitter = new MimeTypeLengthGzipSplitter(int.MaxValue, log);
var rewindableStream = new RewindableReadonlyStream(stream);
var blocks = splitter.SplitToIndependentBlocks(rewindableStream).ToArray();
blocks.Should().HaveCount(1);
blocks[0].Status.Should().Be(GzipSplittingStatus.CantReadBlock);
rewindableStream.ReturnedBuffer.Should().HaveCount(expectedReadedBytes);
rewindableStream.ReturnedBuffer.Should().BeEquivalentTo(bytes.Take(expectedReadedBytes).ToArray());
}