public async Task StartTwice()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
await provider.StartAsync();
Assert.ThrowsAsync <InvalidOperationException> (() => provider.StartAsync());
}
public async Task StartNormally ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
Assert.IsEmpty (Engine.Torrents);
await provider.StartAsync ();
CollectionAssert.Contains (Engine.Torrents, provider.Manager);
}
public async Task StopNormally ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.StopAsync ();
Assert.IsEmpty (Engine.Torrents);
}
public async Task UsesStreamingPicker ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
Assert.IsInstanceOf<StreamingPiecePicker> (provider.Manager.PieceManager.Picker.BasePicker.BasePicker.BasePicker);
await provider.StartAsync ();
Assert.IsInstanceOf<StreamingPiecePicker> (provider.Manager.PieceManager.Picker.BasePicker.BasePicker.BasePicker);
}
public async Task CreateStreamTwice ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], false, CancellationToken.None);
Assert.ThrowsAsync<InvalidOperationException> (() => provider.CreateStreamAsync (provider.Files[0], false, CancellationToken.None));
}
public async Task ReadPastEndOfStream ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (0, SeekOrigin.End);
Assert.AreEqual (0, await stream.ReadAsync (new byte[1], 0, 1).WithTimeout ());
}
public async Task SeekPastEnd ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (stream.Length + 100, SeekOrigin.Begin);
Assert.AreEqual (stream.Length, stream.Position);
}
public async Task DownloadMagnetLink ()
{
var provider = new StreamProvider (Engine, "testDir", MagnetLink, "magnetLinkDir");
Assert.IsNull (provider.Files);
await provider.StartAsync ();
CollectionAssert.Contains (Engine.Torrents, provider.Manager);
}
public async Task Pause ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.PauseAsync ();
Assert.IsTrue (provider.Active);
Assert.IsTrue (provider.Paused);
}
public async Task CreateStream()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
await provider.StartAsync();
using var stream = await provider.CreateStreamAsync(provider.Files[0], false, CancellationToken.None);
Assert.IsNotNull(stream);
}
public async Task WaitForMetadata_Cancellation ()
{
var provider = new StreamProvider (Engine, "testDir", MagnetLink, "magnetDir");
await provider.StartAsync ();
var metadataTask = provider.WaitForMetadataAsync ();
await provider.StopAsync ();
Assert.ThrowsAsync<TaskCanceledException> (() => metadataTask);
}
public async Task UsesStreamingPicker()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
// FIXME: Reinstate this API in some form!
//Assert.IsInstanceOf<StreamingPiecePicker> (provider.Manager.PieceManager.Picker.BasePicker.BasePicker.BasePicker);
await provider.StartAsync();
//Assert.IsInstanceOf<StreamingPiecePicker> (provider.Manager.PieceManager.Picker.BasePicker.BasePicker.BasePicker);
}
public async Task CreateStream ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None);
Assert.IsNotNull (stream);
Assert.AreEqual (0, stream.Position);
Assert.AreEqual (provider.Files[0].Length, stream.Length);
}
public async Task StartManagerManually ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
// It hasn't been registered with the engine
Assert.ThrowsAsync<TorrentException> (() => provider.Manager.StartAsync ());
await Engine.Register (provider.Manager);
await provider.Manager.StartAsync ();
// People should not register and start the manager manually.
Assert.ThrowsAsync<InvalidOperationException> (() => provider.StartAsync ());
}
public async Task CreateStream_Prebuffer ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.Manager.WaitForState (TorrentState.Downloading);
provider.Manager.Bitfield.SetAll (true); // should not be allowed by public API.
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: true, CancellationToken.None);
Assert.IsNotNull (stream);
Assert.AreEqual (0, stream.Position);
Assert.AreEqual (provider.Files[0].Length, stream.Length);
}
public async Task ReadLastByte ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.Manager.WaitForState (TorrentState.Downloading).WithTimeout ();
provider.Manager.Bitfield.SetAll (true); // the public API shouldn't allow this.
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (1, SeekOrigin.End);
Assert.AreEqual (1, await stream.ReadAsync (new byte[1], 0, 1).WithTimeout ());
stream.Seek (1, SeekOrigin.End);
Assert.AreEqual (1, await stream.ReadAsync (new byte[5], 0, 5).WithTimeout ());
}
public async Task SeekToMiddle()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
await provider.StartAsync();
await provider.Manager.WaitForState(TorrentState.Downloading);
provider.Manager.Bitfield.SetAll(true); // should not be allowed by public API.
using var stream = await provider.CreateStreamAsync(provider.Files[0], prebuffer : false, CancellationToken.None);
stream.Seek(12345, SeekOrigin.Begin);
Assert.AreEqual(provider.Manager.ByteOffsetToPieceIndex(12345), provider.Requester.HighPriorityPieceIndex);
}