public void Write_DecompressMode_ItemsWrittenToStream()
{
// arrange
var expectedResult = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
var pieces = new List <KeyValuePair <int, byte[]> >
{
new KeyValuePair <int, byte[]>(1, new byte[] { 1, 2, 3 }),
new KeyValuePair <int, byte[]>(2, new byte[] { 4, 5 }),
new KeyValuePair <int, byte[]>(3, new byte[] { 6, 7, 8, 9, 0 })
};
var outputStream = new FakeStream();
var service = PrepareDestinationWriter(outputStream, false);
var compressionResultsPieces = new ConcurrentDictionary <int, byte[]>(pieces);
var compressionContext = new ParallelCompressionContext(null, compressionResultsPieces,
new CancellationTokenSource(), new ManualResetEventSlim(true));
var calculationsFinishedSrc = new CancellationTokenSource();
calculationsFinishedSrc.Cancel();
// act
var result = service.Write("", CompressionMode.Decompress, compressionContext, calculationsFinishedSrc.Token);
result.ProcessingThread.Join();
// assert
result.ExceptionSource.IsCancellationRequested.Should().BeFalse();
outputStream.Length.Should().Be(expectedResult.Length);
outputStream.ToArray().Should().Equal(expectedResult);
outputStream.Close();
outputStream.Dispose();
}
public AsyncWriteContext Write(string destinationUri, CompressionMode compressionMode,
ParallelCompressionContext compressionContext, CancellationToken calculationsFinishedToken)
{
var exceptionSource = new CancellationTokenSource();
var tokens = new[] { calculationsFinishedToken, compressionContext.ExceptionSource.Token };
var thread = new Thread(() =>
{
WriteInternal(destinationUri, compressionMode, compressionContext.ResultsDictionary, tokens, exceptionSource, compressionContext.OutputOverflowEvent);
});
thread.Start();
return(new AsyncWriteContext(thread, exceptionSource));
}
public void Write_ExceptionInsideThread_ExceptionSourceCancelled()
{
// arrange
var destinationStreamServiceMock = new Mock <IDestinationStreamService>();
destinationStreamServiceMock.Setup(x => x.OpenWrite(It.IsAny <string>()))
.Throws <Exception>();
var service = PrepareDestinationWriter(null, true);
var compressionContext = new ParallelCompressionContext(null, null,
new CancellationTokenSource(), new ManualResetEventSlim(true));
var calculationsFinishedSrc = new CancellationTokenSource();
calculationsFinishedSrc.Cancel();
// act
var result = service.Write("", CompressionMode.Decompress, compressionContext, calculationsFinishedSrc.Token);
result.ProcessingThread.Join();
// assert
result.ExceptionSource.IsCancellationRequested.Should().BeTrue();
}
