public void PrepareResumeFailsOnTooShortInputStream()
{
var streamMock = new Mock <Stream>();
streamMock.Setup(s => s.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>())).Returns(0);
using (HashAlgorithm hashAlg = new SHA1Managed()) {
Assert.Throws <IOException>(() => ContentTaskUtils.PrepareResume(this.successfulLength, streamMock.Object, hashAlg));
}
}
public void ResumeDownloadWithUtils()
{
long successfulLength = 1024;
this.localFileStream.Write(this.remoteContent, 0, (int)successfulLength);
this.localFileStream.Seek(0, SeekOrigin.Begin);
byte[] remoteChunk = new byte[this.remoteLength - successfulLength];
for (int i = 0; i < remoteChunk.Length; i++)
{
remoteChunk[i] = this.remoteContent[i + successfulLength];
}
this.mockedStream.Setup(stream => stream.Length).Returns(remoteChunk.Length);
var memStream = new MemoryStream(remoteChunk);
this.mockedStream.Setup(stream => stream.Stream).Returns(memStream);
this.mock.Setup(doc => doc.ContentStreamLength).Returns(this.remoteLength);
this.mock.Setup(doc => doc.ContentStreamId).Returns(this.contentStreamId);
this.mock.Setup(doc => doc.GetContentStream(
It.Is <string>((string s) => s.Equals(this.contentStreamId)),
It.Is <long?>((long?l) => (l == successfulLength)),
It.Is <long?>((long?l) => l == remoteChunk.Length)))
.Returns(this.mockedStream.Object);
this.transmissionEvent.TransmissionStatus += delegate(object sender, TransmissionProgressEventArgs e)
{
if (e.ActualPosition != null)
{
Assert.GreaterOrEqual((long)e.ActualPosition, successfulLength);
Assert.LessOrEqual((long)e.ActualPosition, this.remoteLength);
}
if (e.Percent != null)
{
Assert.Greater(e.Percent, 0);
Assert.LessOrEqual(e.Percent, 100);
}
if (e.Length != null)
{
Assert.GreaterOrEqual(e.Length, successfulLength);
Assert.LessOrEqual(e.Length, this.remoteLength);
}
};
using (IFileDownloader downloader = new ChunkedDownloader(this.chunkSize))
{
ContentTaskUtils.PrepareResume(successfulLength, this.localFileStream, this.hashAlg);
downloader.DownloadFile(this.mock.Object, this.localFileStream, this.transmissionEvent, this.hashAlg);
Assert.AreEqual(this.remoteContent.Length, this.localFileStream.Length);
Assert.AreEqual(SHA1Managed.Create().ComputeHash(this.remoteContent), this.hashAlg.Hash);
Assert.AreEqual(SHA1Managed.Create().ComputeHash(this.localFileStream.ToArray()), this.hashAlg.Hash);
}
memStream.Dispose();
}
public void PrepareResumeFailsOnIOException()
{
var streamMock = new Mock <Stream>();
streamMock.Setup(s => s.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>())).Throws(new IOException());
using (HashAlgorithm hashAlg = new SHA1Managed())
{
ContentTaskUtils.PrepareResume(this.successfulLength, streamMock.Object, hashAlg);
}
}
public void PrepareResumeDoesNotChangeHashOnZeroLengthInputStream()
{
byte[] localContent = new byte[0];
byte[] localHash = new SHA1Managed().ComputeHash(localContent);
using (MemoryStream stream = new MemoryStream(localContent))
using (HashAlgorithm hashAlg = new SHA1Managed()) {
ContentTaskUtils.PrepareResume(0, stream, hashAlg);
hashAlg.TransformFinalBlock(new byte[0], 0, 0);
Assert.AreEqual(localHash, hashAlg.Hash);
}
}
public void PrepareResumeWithExactFittingStream()
{
byte[] localContent = new byte[this.successfulLength];
using (RandomNumberGenerator random = RandomNumberGenerator.Create()) {
random.GetBytes(localContent);
}
byte[] localHash = new SHA1Managed().ComputeHash(localContent);
using (MemoryStream stream = new MemoryStream(localContent))
using (HashAlgorithm hashAlg = new SHA1Managed()) {
ContentTaskUtils.PrepareResume(this.successfulLength, stream, hashAlg);
hashAlg.TransformFinalBlock(new byte[0], 0, 0);
Assert.AreEqual(localHash, hashAlg.Hash);
}
}
public void ResumeDownloadWithUtils()
{
long startPos = this.remoteLength / 2;
SetupResumeDownload(startPos);
using (var memorystream = new MemoryStream(this.remoteChunk)) {
this.mockedStream.Setup(stream => stream.Stream).Returns(memorystream);
using (IFileDownloader downloader = new ChunkedDownloader(this.chunkSize)) {
ContentTaskUtils.PrepareResume(startPos, this.localFileStream, this.hashAlg);
downloader.DownloadFile(this.mock.Object, this.localFileStream, this.transmission, this.hashAlg);
Assert.AreEqual(this.remoteContent.Length, this.localFileStream.Length);
Assert.AreEqual(SHA1Managed.Create().ComputeHash(this.remoteContent), this.hashAlg.Hash);
Assert.AreEqual(SHA1Managed.Create().ComputeHash(this.localFileStream.ToArray()), this.hashAlg.Hash);
}
}
}
public void PrepareResumeWithLongerLocalStream()
{
byte[] localContent = new byte[this.successfulLength];
using (RandomNumberGenerator random = RandomNumberGenerator.Create()) {
random.GetBytes(localContent);
}
byte[] localHash = new SHA1Managed().ComputeHash(localContent);
using (MemoryStream stream = new MemoryStream())
using (HashAlgorithm hashAlg = new SHA1Managed()) {
stream.Write(localContent, 0, (int)this.successfulLength);
stream.Write(localContent, 0, (int)this.successfulLength);
stream.Seek(0, SeekOrigin.Begin);
ContentTaskUtils.PrepareResume(this.successfulLength, stream, hashAlg);
hashAlg.TransformFinalBlock(new byte[0], 0, 0);
Assert.AreEqual(localHash, hashAlg.Hash);
}
}
public void ResumeUploadWithUtils()
{
double successfulUploadPart = 0.2;
int successfulUploaded = (int)(this.fileLength * successfulUploadPart);
double minPercent = 100 * successfulUploadPart;
this.InitRemoteChunkWithSize(successfulUploaded);
this.transmission.AddLengthConstraint(Is.GreaterThanOrEqualTo(successfulUploaded));
this.transmission.AddPercentConstraint(Is.GreaterThanOrEqualTo(minPercent));
this.transmission.AddPositionConstraint(Is.GreaterThanOrEqualTo(successfulUploaded));
using (IFileUploader uploader = new ChunkedUploader(this.chunkSize)) {
ContentTaskUtils.PrepareResume(successfulUploaded, this.localFileStream, this.hashAlg);
uploader.UploadFile(this.mockedDocument.Object, this.localFileStream, this.transmission, this.hashAlg);
}
this.AssertThatLocalAndRemoteContentAreEqualToHash();
Assert.AreEqual(1, this.lastChunk);
}
public void ResumeUploadWithUtils()
{
double successfulUploadPart = 0.2;
int successfulUploaded = (int)(this.fileLength * successfulUploadPart);
double minPercent = 100 * successfulUploadPart;
this.InitRemoteChunkWithSize(successfulUploaded);
this.transmissionEvent.TransmissionStatus += delegate(object sender, TransmissionProgressEventArgs e) {
this.AssertThatProgressFitsMinimumLimits(e, successfulUploaded, minPercent, successfulUploaded);
};
using (IFileUploader uploader = new ChunkedUploader(this.chunkSize)) {
ContentTaskUtils.PrepareResume(successfulUploaded, this.localFileStream, this.hashAlg);
uploader.UploadFile(this.mockedDocument.Object, this.localFileStream, this.transmissionEvent, this.hashAlg);
}
this.AssertThatLocalAndRemoteContentAreEqualToHash();
Assert.AreEqual(1, this.lastChunk);
}
