public void SetLength() {
var mockedStream = new Mock<Stream>();
mockedStream.Setup(s => s.SetLength(It.IsAny<long>())).Callback<long>((l) => mockedStream.Setup(mock => mock.Length).Returns(l));
using (ProgressStream progress = new ProgressStream(mockedStream.Object)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs args) {
if (args.PropertyName == Utils.NameOf((ProgressStream s) => s.Length)) {
this.lengthCalls++;
}
};
progress.SetLength(100);
progress.SetLength(100);
Assert.AreEqual(1, this.lengthCalls);
Assert.That(progress.Length, Is.EqualTo(100));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CmisSync.Lib.Streams.TransmissionStream"/> class.
/// </summary>
/// <param name="wrappedStream">Wrapped stream.</param>
/// <param name="transmission">Transmission object to be notified about changes and listened to events as well.</param>
public TransmissionStream(Stream wrappedStream, Transmission transmission) {
if (transmission == null) {
throw new ArgumentNullException("transmission");
}
this.abort = new AbortableStream(wrappedStream);
this.pause = new PausableStream(this.abort);
this.bandwidthNotify = new BandwidthNotifyingStream(this.pause);
this.progress = new ProgressStream(this.bandwidthNotify);
this.abort.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var a = sender as AbortableStream;
if (e.PropertyName == Utils.NameOf(() => a.Exception)) {
transmission.Status = TransmissionStatus.ABORTED;
transmission.FailedException = a.Exception;
}
};
this.bandwidthNotify.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var s = sender as BandwidthNotifyingStream;
if (e.PropertyName == Utils.NameOf(() => s.BitsPerSecond)) {
transmission.BitsPerSecond = s.BitsPerSecond;
}
};
this.progress.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
transmission.Position = p.Position;
} else if (e.PropertyName == Utils.NameOf(() => p.Length)) {
transmission.Length = p.Length;
}
};
transmission.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var t = sender as Transmission;
if (e.PropertyName == Utils.NameOf(() => t.Status)) {
if (t.Status == TransmissionStatus.ABORTING) {
this.abort.Abort();
this.pause.Resume();
} else if (t.Status == TransmissionStatus.PAUSED) {
this.pause.Pause();
} else if (t.Status == TransmissionStatus.TRANSMITTING) {
this.pause.Resume();
}
}
};
if (transmission.Status == TransmissionStatus.ABORTING || transmission.Status == TransmissionStatus.ABORTED) {
this.abort.Abort();
}
}
public void Position() {
var mockedStream = new Mock<Stream>();
mockedStream.Setup(s => s.SetLength(It.IsAny<long>()));
mockedStream.SetupProperty(s => s.Position);
using (var underTest = new ProgressStream(mockedStream.Object)) {
underTest.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Length)) {
this.lengthCalls++;
}
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.positionCalls++;
}
};
underTest.SetLength(100);
Assert.AreEqual(1, this.lengthCalls);
Assert.AreEqual(0, this.positionCalls);
underTest.Position = 50;
underTest.Position = 50;
Assert.AreEqual(1, this.positionCalls);
underTest.Position = 55;
Assert.AreEqual(2, this.positionCalls);
Assert.AreEqual(1, this.lengthCalls);
}
}
public void ConstructorExtractsLengthOfGivenStream() {
long length = 10;
using (var underTest = new ProgressStream(Mock.Of<Stream>(s => s.Length == length))) {
Assert.That(underTest.Length, Is.EqualTo(length));
}
}
public void UpdateLengthIfInputStreamGrowsAfterStartReading() {
using (var stream = new MemoryStream()) {
long initialLength = 100;
long length = initialLength;
byte[] buffer = new byte[initialLength];
stream.Write(buffer, 0, buffer.Length);
using (var progress = new ProgressStream(stream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var t = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => t.Position)) {
Assert.That(t.Position, Is.LessThanOrEqualTo(length));
Assert.That(t.Length, Is.LessThanOrEqualTo(length));
}
};
progress.Read(buffer, 0, buffer.Length / 2);
stream.Write(buffer, 0, buffer.Length);
length = length + buffer.Length;
progress.Read(buffer, 0, buffer.Length / 2);
progress.Read(buffer, 0, buffer.Length / 2);
progress.Read(buffer, 0, buffer.Length / 2);
stream.Write(buffer, 0, buffer.Length);
length = length + buffer.Length;
progress.Read(buffer, 0, buffer.Length);
}
}
}
public void ResumeTest() {
byte[] inputContent = new byte[100];
long offset = 100;
using (var stream = new MemoryStream(inputContent))
using (var offsetstream = new OffsetStream(stream, offset)) {
using (var progress = new ProgressStream(offsetstream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.position = (long)p.Position;
this.percent = p.Percent.GetValueOrDefault();
}
};
progress.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(offset, this.position);
Assert.AreEqual(50, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(offset + 10, this.position);
progress.Seek(0, SeekOrigin.End);
Assert.AreEqual(100, this.percent);
Assert.AreEqual(offset + inputContent.Length, this.position);
progress.Seek(0, SeekOrigin.Begin);
progress.WriteByte(0);
Assert.AreEqual(offset + 1, this.position);
Assert.AreEqual(50.5, this.percent);
progress.WriteByte(0);
Assert.AreEqual(offset + 2, this.position);
Assert.AreEqual(51, this.percent);
progress.Write(new byte[10], 0, 10);
Assert.AreEqual(56, this.percent);
}
}
}
public void SeekTest() {
using (var stream = new MemoryStream()) {
using (var progress = new ProgressStream(stream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.positionCalls++;
this.position = (long)p.Position;
this.percent = (double)p.Percent;
}
};
progress.SetLength(100);
progress.Seek(10, SeekOrigin.Begin);
Assert.AreEqual(10, this.position);
Assert.AreEqual(10, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(20, this.position);
Assert.AreEqual(20, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(30, this.position);
Assert.AreEqual(30, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(40, this.position);
Assert.AreEqual(40, this.percent);
progress.Seek(5, SeekOrigin.Current);
Assert.AreEqual(45, this.position);
Assert.AreEqual(45, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(55, this.position);
Assert.AreEqual(55, this.percent);
progress.SetLength(1000);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(65, this.position);
Assert.AreEqual(6.5, this.percent);
progress.Seek(0, SeekOrigin.End);
Assert.AreEqual(100, this.percent);
Assert.AreEqual(1000, this.position);
}
}
}
public void Write() {
using (var stream = new MemoryStream()) {
byte[] buffer = new byte[10];
using (var progress = new ProgressStream(stream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var t = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => t.Position)) {
this.positionCalls++;
this.position = (long)t.Position;
this.percent = (double)t.Percent.GetValueOrDefault();
}
};
progress.SetLength(buffer.Length * 10);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length, this.position);
Assert.AreEqual(10, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 2, this.position);
Assert.AreEqual(20, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 3, this.position);
Assert.AreEqual(30, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 4, this.position);
Assert.AreEqual(40, this.percent);
progress.Write(buffer, 0, buffer.Length / 2);
Assert.AreEqual((buffer.Length * 4) + (buffer.Length / 2), this.position);
Assert.AreEqual(45, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual((buffer.Length * 5) + (buffer.Length / 2), this.position);
Assert.AreEqual(55, this.percent);
progress.SetLength(buffer.Length * 100);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual((buffer.Length * 6) + (buffer.Length / 2), this.position);
Assert.AreEqual(6.5, this.percent);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CmisSync.Lib.Streams.TransmissionStream"/> class.
/// </summary>
/// <param name="wrappedStream">Wrapped stream.</param>
/// <param name="transmission">Transmission object to be notified about changes and listened to events as well.</param>
public TransmissionStream(Stream wrappedStream, Transmission transmission)
{
if (transmission == null)
{
throw new ArgumentNullException("transmission");
}
this.abort = new AbortableStream(wrappedStream);
this.pause = new PausableStream(this.abort);
this.bandwidthNotify = new BandwidthNotifyingStream(this.pause);
this.progress = new ProgressStream(this.bandwidthNotify);
this.abort.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var a = sender as AbortableStream;
if (e.PropertyName == Utils.NameOf(() => a.Exception))
{
transmission.Status = TransmissionStatus.ABORTED;
transmission.FailedException = a.Exception;
}
};
this.bandwidthNotify.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var s = sender as BandwidthNotifyingStream;
if (e.PropertyName == Utils.NameOf(() => s.BitsPerSecond))
{
transmission.BitsPerSecond = s.BitsPerSecond;
}
};
this.progress.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position))
{
transmission.Position = p.Position;
}
else if (e.PropertyName == Utils.NameOf(() => p.Length))
{
transmission.Length = p.Length;
}
};
transmission.PropertyChanged += (object sender, PropertyChangedEventArgs e) => {
var t = sender as Transmission;
if (e.PropertyName == Utils.NameOf(() => t.Status))
{
if (t.Status == TransmissionStatus.ABORTING)
{
this.abort.Abort();
this.pause.Resume();
}
else if (t.Status == TransmissionStatus.PAUSED)
{
this.pause.Pause();
}
else if (t.Status == TransmissionStatus.TRANSMITTING)
{
this.pause.Resume();
}
}
};
if (transmission.Status == TransmissionStatus.ABORTING || transmission.Status == TransmissionStatus.ABORTED)
{
this.abort.Abort();
}
}
