public StreamDecompressor([NotNull] CompressorSettings settings, [NotNull] ILog log)
{
this.log = log ?? throw new ArgumentNullException(nameof(log));
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
gzipBlockSplitter = new GzipBlockSplitter(
settings.MaxParallelDecompressionBufferSize,
settings.ParallelDecompressionBufferSize,
log);
}
public void Should_split_to_blocks_when_compressed_without_length_in_header()
{
var contents = Enumerable.Range(0, 5).Select(x => x + " " + TestData.ShortFileContent.Shuffle()).ToArray();
var stream = contents.SelectMany(x =>
x.CompessWithDecompressionHelp(DecompressionHelpMode.NoDirtyHacks))
.ToArray().AsStream();
var gzipBlockSplitter = new GzipBlockSplitter(1.Kilobytes(), 1.Kilobytes(), log);
var splitBlocks = gzipBlockSplitter.SplitBlocks(stream).ToArray();
splitBlocks.Should().HaveCount(5).And.AllBeAssignableTo <IndependentGzipBlock>();
var decompressedBlocks = splitBlocks.OfType <IndependentGzipBlock>().Select(x => x.Decompress().AsString()).ToArray();
decompressedBlocks.Should().BeEquivalentTo(contents);
}
public void Should_split_to_blocks_when_compressed_with_length_but_blocks_is_greater_than_limits()
{
var contents = Enumerable.Range(0, 5).Select(x => x + " " + TestData.ShortFileContent.Shuffle()).ToArray();
var expectedText = contents.JoinStrings();
var stream = contents.SelectMany(x =>
x.CompessWithDecompressionHelp(DecompressionHelpMode.NoDirtyHacks))
.ToArray().AsStream();
var gzipBlockSplitter = new GzipBlockSplitter(11, 11, log);
var splitBlocks = gzipBlockSplitter.SplitBlocks(stream).ToArray();
splitBlocks.Should().HaveCount(1).And.AllBeAssignableTo <StreamingGzipBlock>();
var outputStream = new MemoryStream();
splitBlocks.First().As <StreamingGzipBlock>().WriteDecompressedDataTo(outputStream);
outputStream.ToArray().AsString().Should().Be(expectedText);
}
