private void ReadStreamTest(IStorage storage)
{
// arrange
var streamSize = 20480;
var randomlyBytes = DummyData.GenerateRandomBytes(streamSize);
var chunk = new Chunk(0, streamSize - 1)
{
Timeout = 100, Storage = storage
};
var chunkDownloader = new ChunkDownloader(chunk, _configuration);
using var memoryStream = new MemoryStream(randomlyBytes);
// act
chunkDownloader.ReadStream(memoryStream, new CancellationToken()).Wait();
// assert
Assert.AreEqual(memoryStream.Length, chunkDownloader.Chunk.Storage.GetLength());
var chunkStream = chunkDownloader.Chunk.Storage.OpenRead();
for (int i = 0; i < streamSize; i++)
{
Assert.AreEqual(randomlyBytes[i], chunkStream.ReadByte());
}
chunkDownloader.Chunk.Clear();
}
private void ReadStreamProgressEventsTest(IStorage storage)
{
// arrange
var eventCount = 0;
var receivedBytes = new List <byte>();
var streamSize = 9 * _configuration.BufferBlockSize;
var source = DummyData.GenerateRandomBytes(streamSize);
using var sourceMemoryStream = new MemoryStream(source);
var chunk = new Chunk(0, streamSize - 1)
{
Timeout = 100, Storage = storage
};
var chunkDownloader = new ChunkDownloader(chunk, _configuration);
chunkDownloader.DownloadProgressChanged += (s, e) => {
eventCount++;
receivedBytes.AddRange(e.ReceivedBytes);
};
// act
chunkDownloader.ReadStream(sourceMemoryStream, new CancellationToken()).Wait();
// assert
Assert.AreEqual(streamSize / _configuration.BufferBlockSize, eventCount);
Assert.AreEqual(chunkDownloader.Chunk.Length, receivedBytes.Count);
Assert.IsTrue(source.SequenceEqual(receivedBytes));
chunkDownloader.Chunk.Clear();
}
public void ReadStreamTimeoutExceptionTest()
{
// arrange
var streamSize = 20480;
var randomlyBytes = DummyData.GenerateRandomBytes(streamSize);
var chunk = new Chunk(0, streamSize - 1)
{
Timeout = 100
};
var chunkDownloader = new ChunkDownloader(chunk, _configuration);
using var memoryStream = new MemoryStream(randomlyBytes);
var canceledToken = new CancellationToken(true);
// act
async Task CallReadStream() => await chunkDownloader.ReadStream(new MemoryStream(), canceledToken).ConfigureAwait(false);
// assert
Assert.ThrowsExceptionAsync <OperationCanceledException>(CallReadStream);
}