public void NormalDownload() {
double lastPercent = 0;
this.transmission.AddPositionConstraint(Is.LessThanOrEqualTo(this.remoteLength));
this.transmission.AddLengthConstraint(Is.EqualTo(this.remoteLength).Or.EqualTo(0));
this.transmission.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var t = sender as Transmission;
if (e.PropertyName == Utils.NameOf(() => t.Percent)) {
Assert.That(t.Percent, Is.Null.Or.GreaterThanOrEqualTo(lastPercent));
lastPercent = t.Percent.GetValueOrDefault();
}
};
using (IFileDownloader downloader = new SimpleFileDownloader()) {
downloader.DownloadFile(this.mockedDocument.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 AbortWhileDownload() {
this.mockedMemStream.Setup(memstream => memstream.Read(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>())).Callback(() => Thread.Sleep(1)).Returns(1);
this.transmission.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
Assert.That((sender as Transmission).Status, Is.Not.EqualTo(TransmissionStatus.FINISHED));
};
try {
Task t;
IFileDownloader downloader = new SimpleFileDownloader();
t = Task.Factory.StartNew(() => downloader.DownloadFile(this.mockedDocument.Object, this.localFileStream, this.transmission, this.hashAlg));
t.Wait(100);
this.transmission.Abort();
t.Wait();
Assert.Fail();
} catch (AggregateException e) {
Assert.IsInstanceOf(typeof(AbortException), e.InnerException);
Assert.That(this.transmission.Status, Is.EqualTo(TransmissionStatus.ABORTED));
return;
}
Assert.Fail();
}
public void IOExceptionThrownIfIOExceptionOccursOnRead() {
this.mockedMemStream.Setup(memstream => memstream.Read(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>())).Throws<IOException>();
using (IFileDownloader downloader = new SimpleFileDownloader()) {
Assert.Throws<IOException>(() => downloader.DownloadFile(this.mockedDocument.Object, this.localFileStream, this.transmission, this.hashAlg));
}
}
public void DisposeWhileDownload() {
this.mockedMemStream.Setup(memstream => memstream.Read(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>())).Callback(() => Thread.Sleep(1)).Returns(1);
try {
Task t;
using (IFileDownloader downloader = new SimpleFileDownloader()) {
t = Task.Factory.StartNew(() => downloader.DownloadFile(this.mockedDocument.Object, this.localFileStream, this.transmission, this.hashAlg));
}
t.Wait();
Assert.Fail();
} catch (AggregateException e) {
Assert.IsInstanceOf(typeof(ObjectDisposedException), e.InnerException);
}
}
public void DownloadWithThreeUpdate() {
SetUp(2 * 1024 * 1024 + 1);
this.hashAlg = new SHA1Reuse();
using (IFileDownloader downloader = new SimpleFileDownloader()) {
int count = 0;
downloader.DownloadFile(this.mockedDocument.Object, this.localFileStream, this.transmission, this.hashAlg, (byte[] checksum, long length) => { ++count; });
Assert.AreEqual(3, count);
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);
}
}
