public void Read_CompressMode_ChunksAddedToQueue(int srcStreamLength, int chunkSize, int expectedQueueItemsCount)
{
// arrange
var random = new Random();
var statusUpdateServiceMock = new Mock <IStatusUpdateService>();
var testSettings = new TestCompressionSettings {
ChunkSize = chunkSize
};
var bytes = new byte[srcStreamLength];
random.NextBytes(bytes);
var memoryStream = new MemoryStream(bytes);
var sourceServiceMock = new Mock <ISourceStreamService>();
sourceServiceMock.Setup(x => x.OpenRead(It.IsAny <string>()))
.Returns(memoryStream);
var service = new StreamToQueueReader(new StreamUtilsService(), statusUpdateServiceMock.Object, testSettings, sourceServiceMock.Object);
// act
var result = service.Read("", CompressionMode.Compress);
result.ProcessingThread.Join(); // wait completion
memoryStream.Close();
memoryStream.Dispose();
// assert
result.Queue.Count.Should().Be(expectedQueueItemsCount);
result.ReadFinishedSource.IsCancellationRequested.Should().BeTrue();
result.ExceptionSource.IsCancellationRequested.Should().BeFalse();
}
public void Read_DecompressMode_ChunksAddedToQueue()
{
// arrange
var statusUpdateServiceMock = new Mock <IStatusUpdateService>();
var testSettings = new TestCompressionSettings {
ChunkSize = 10
};
var bytes = new byte[]
{
5, 0, 0, 0, // size of first block is 5 bytes
1, 2, 3, 4, 5, // first data block
4, 0, 0, 0, // size of second block is 4 bytes
6, 7, 8, 9 // second data block
};
var memoryStream = new MemoryStream(bytes);
var sourceServiceMock = new Mock <ISourceStreamService>();
sourceServiceMock.Setup(x => x.OpenRead(It.IsAny <string>()))
.Returns(memoryStream);
var service = new StreamToQueueReader(new StreamUtilsService(), statusUpdateServiceMock.Object, testSettings, sourceServiceMock.Object);
// act
var result = service.Read("", CompressionMode.Decompress);
result.ProcessingThread.Join(); // wait completion
memoryStream.Close();
memoryStream.Dispose();
// assert
result.Queue.Count.Should().Be(2);
result.ReadFinishedSource.IsCancellationRequested.Should().BeTrue();
result.ExceptionSource.IsCancellationRequested.Should().BeFalse();
result.Queue.TryTake(out QueueItem first);
result.Queue.TryTake(out QueueItem second);
first.Order.Should().Be(1);
first.Data.Should().Equal(new [] { 1, 2, 3, 4, 5 });
second.Order.Should().Be(2);
second.Data.Should().Equal(new[] { 6, 7, 8, 9 });
}
