public void TestMultiFileTorrentCheckKeyContents(string key, string expected)
{
MetaInfoFile torrentFile = new MetaInfoFile(Constants.MultiFileTorrent);
torrentFile.Parse();
string actual = System.Text.Encoding.UTF8.GetString(torrentFile.metaInfoDict[key]);
Assert.Equal(expected, actual);
}
public void TestInvalidPieceNumberPassedToIncrementPieceCount()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory);
Assert.Throws <IndexOutOfRangeException>(() => tc.IncrementPeerCount(Constants.InvalidPieceNumber));
}
public void TestMarkPieceMissingWithInvalidPieceNumber()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory);
Assert.Throws <IndexOutOfRangeException>(() => tc.MarkPieceMissing(Constants.InvalidPieceNumber, true));
}
public void TestEmptyStringPassedToIsPeerInSwarm()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory);
Assert.Throws <ArgumentException>(() => tc.IsPeerInSwarm(""));
}
public void TestSetPieceLengthLargerThanDefaultPieceSize()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => tc.SetPieceLength(0, UInt32.MaxValue));
Assert.Equal("BitTorrent Error: Piece length larger than maximum for torrent.", error.Message);
}
public void TestPassNullForBufferToAddBlockFromPacket()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory);
PieceBuffer pieceBuffer = new PieceBuffer(tc, BitTorrentLibrary.Constants.BlockSize);
Assert.Throws <ArgumentNullException> (() => pieceBuffer.AddBlockFromPacket(null, BitTorrentLibrary.Constants.BlockSize));
}
public void TestPassNullForTorrentContextToGetListOfPeers()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Selector selector = new Selector();
Assert.Throws <ArgumentNullException>(() => { Peer[] peers = selector.GetListOfPeers(null, 0, 10); });
}
public void TestSetPieceOnRemotePeerWithInvalidPieceNumber()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Peer peer = new Peer("127.0.0.1", 6881, tc, new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0));
Assert.Throws <IndexOutOfRangeException>(() => peer.SetPieceOnRemotePeer(1000));
}
public void TestPassNullAsPeerToLocalPieceSuggessions()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Selector selector = new Selector();
Assert.Throws <ArgumentNullException>(() => selector.LocalPieceSuggestions(null, 10));
}
public void TestNoPeersHavePieceOnCallToNextPiece()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
UInt32 nextPiece = 0;
Selector selector = new Selector();
Assert.False(selector.NextPiece(tc, ref nextPiece));
}
public void TestEmptyPeerSwarmCallGetListOfPeers()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Selector selector = new Selector();
Peer[] peers = selector.GetListOfPeers(tc, 0, 10);
Assert.Empty(peers);
}
public void TestCheckPropertiesSucessfullyCreatePeer()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Peer peer = new Peer("127.0.0.1", 6881, tc, new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0));
Assert.Equal("127.0.0.1", peer.Ip);
Assert.Equal(6881, peer.Port);
Assert.Equal(22, peer.NumberOfMissingPieces);
}
public void TestNullPassedAsTorrentContext()
{
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Assert.Throws <ArgumentNullException>(() => { Tracker tracker = new Tracker(null); });
}
public void TestGetInfoHashOentCheckInfoHash(string file, string expected)
{
MetaInfoFile torrentFile = new MetaInfoFile(file);
torrentFile.Parse();
byte[] infoHash = torrentFile.GetInfoHash();
StringBuilder actual = new StringBuilder(infoHash.Length);
foreach (byte b in infoHash)
{
actual.AppendFormat("{0:x2}", b);
}
Assert.Equal(expected, actual.ToString());
}
public void TestAddTorrentThatNotDoesHaveTracker()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => agent.AddTorrent(tc));
Assert.Equal("BitTorrent Error: Failed to add torrent context.Torrent does not have a tracker associated with it.", error.Message);
}
public void TestSucessfullyCreatePeer()
{
try
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Peer peer = new Peer("127.0.0.1", 6881, tc, new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0));
}
catch (Exception ex)
{
Assert.True(false, "Should not throw execption here but it did. " + ex.Message);
}
Assert.True(true);
}
public void TestStartAddedTorrentWhenAgentHasntBeenStarted()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
_ = new Tracker(tc);
agent.AddTorrent(tc);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => agent.StartTorrent(tc));
Assert.Equal("BitTorrent Error: Failure to start torrent context.Agent has not been started.", error.Message);
}
public void TestGetTorrentDetailsOfTorrentNotAddedToAgent()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { TorrentDetails details = agent.GetTorrentDetails(tc); });
Assert.Equal("BitTorrent Error: Failure to get torrent details.Torrent hasnt been added to agent.", error.Message);
}
public void TestCloseTorrentNotAdded()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => agent.CloseTorrent(tc));
Assert.Equal("BitTorrent Error: Failure to close torrent context.Torrent hasnt been added to agent or may already have been closed.", error.Message);
}
public void TestRemoveTorrentThatHasNotBeenAddedToAgent()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => agent.RemoveTorrent(tc));
Assert.Equal("BitTorrent Error: Failed to remove torrent context.It probably has been removed alrady or never added.", error.Message);
}
/// <summary>
/// Initiate torrent download.
/// </summary>
/// <param name="mainWindow"></param>
public void Download(TorrentClient main)
{
try
{
// Update status bar for starting download
Application.MainLoop.Invoke(() =>
{
main.MainStatusBar.Display(Status.StartingUp);
});
// Load torrent file and parse
MetaInfoFile torrentFile = new MetaInfoFile(_fileName);
torrentFile.Parse();
Application.MainLoop.Invoke(() =>
{
main.ClientWindow.UpdatProgressBar(0);
main.ClientWindow.InfoWindow.SetTracker(torrentFile.GetTracker());
});
// Create torrent context and tracker
_tc = new TorrentContext(torrentFile, _selector, _diskIO, main.Configuration.DestinationDirectory)
{
CallBack = UpdateDownloadProgress,
CallBackData = main
};
_tracker = new Tracker(_tc)
{
CallBack = UpdateDownloadInformation,
CallBackData = main
};
// Hookup tracker to agent, add torrent and startup everyhing up
_agent.AddTorrent(_tc);
_agent.AttachPeerSwarmQueue(_tracker);
_tracker.StartAnnouncing();
_agent.StartTorrent(_tc);
Application.MainLoop.Invoke(() =>
{
main.MainStatusBar.Display(Status.Downloading);
});
}
catch (Exception ex)
{
Application.MainLoop.Invoke(() =>
{
MessageBox.Query("Error", ex.Message, "Ok");
main.MainStatusBar.Display(Status.Shutdown);
});
}
}
public void TestNoMissingPiecesOnCallToNextPiece()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
UInt32 nextPiece = 0;
Selector selector = new Selector();
for (UInt32 pieceNumber = 0; pieceNumber < tc.numberOfPieces; pieceNumber++)
{
tc.IncrementPeerCount(pieceNumber);
tc.MarkPieceMissing(pieceNumber, false);
}
Assert.False(selector.NextPiece(tc, ref nextPiece));
}
public void TestAtLeastOnePeersHasPieceOnCallToNextPiece()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
UInt32 nextPiece = 0;
Selector selector = new Selector();
for (UInt32 pieceNumber = 0; pieceNumber < tc.numberOfPieces; pieceNumber++)
{
tc.IncrementPeerCount(pieceNumber);
}
Assert.True(selector.NextPiece(tc, ref nextPiece));
Assert.True((nextPiece >= 0 && (nextPiece < tc.numberOfPieces)));
}
public void TestStartAddedTorrent()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
_ = new Tracker(tc);
agent.AddTorrent(tc);
agent.StartTorrent(tc);
Assert.True(tc.Status == TorrentStatus.Downloading || tc.Status == TorrentStatus.Seeding);
}
public void TestAskForZeroPiecesFromLocalPeerSuggestions()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Selector selector = new Selector();
Peer peer = new Peer("127.0.0.1", 6881, tc, new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0));
for (UInt32 pieceNumber = 0; pieceNumber < tc.numberOfPieces; pieceNumber++)
{
tc.IncrementPeerCount(pieceNumber);
tc.MarkPieceLocal(pieceNumber, true);
}
UInt32[] pieces = selector.LocalPieceSuggestions(peer, 0);
Assert.Empty(pieces);
}
public void TestPauseTorrentNotStarted()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc);
agent.AddTorrent(tc);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => agent.PauseTorrent(tc));
Assert.Equal("BitTorrent Error: Failure to pause torrent context.The torrent is currently not in a running state.", error.Message);
}
public void TestStartAnnouncingWhenNoPeerSwarmQueueHasBeenAttached()
{
MockAnnouncerFactory mockAnnoucerFactory = new MockAnnouncerFactory();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc, mockAnnoucerFactory);
agent.AddTorrent(tc);;
BitTorrentException error = Assert.Throws <BitTorrentException>(() => tracker.StartAnnouncing());
Assert.Equal("BitTorrent Error: Peer swarm queue has not been set.", error.Message);
}
public void TestReturnCorrectLastMissingPieceOnCallToNextPiece(UInt32 expected)
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
UInt32 actual = 0;
Selector selector = new Selector();
for (UInt32 pieceNumber = 0; pieceNumber < tc.numberOfPieces; pieceNumber++)
{
tc.IncrementPeerCount(pieceNumber);
tc.MarkPieceMissing(pieceNumber, false);
}
tc.MarkPieceMissing(expected, true);
Assert.True(selector.NextPiece(tc, ref actual));
Assert.Equal(expected, actual);
}
public void TestStopAnnouncingOnOneThatHasNotBeenStarted()
{
MockAnnouncerFactory mockAnnoucerFactory = new MockAnnouncerFactory();
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Tracker tracker = new Tracker(tc, mockAnnoucerFactory);
agent.AddTorrent(tc);
agent.AttachPeerSwarmQueue(tracker);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => tracker.StopAnnouncing());
Assert.Equal("BitTorrent Error: Tracker is not running so cannot be stopped.", error.Message);
}
public void TestOnePeerInSwarmCallGetListOfPeers()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
file.Parse();
Manager manager = new Manager();
TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(manager), Constants.DestinationDirectory);
Selector selector = new Selector();
Peer peer = new Peer("127.0.0.1", 6881, tc, new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0));
tc.peerSwarm.TryAdd(peer.Ip, peer); // Peers eligible must be connected, unchoked and have piece
peer.PeerChoking.Set();
peer.Connected = true;
peer.SetPieceOnRemotePeer(0);
Peer[] peers = selector.GetListOfPeers(tc, 0, 10);
Assert.Equal(1, (int)peers.Length);
peer.Connected = false; // Make un-eligible then try again
peer.SetPieceOnRemotePeer(0);
peers = selector.GetListOfPeers(tc, 0, 10);
Assert.Empty(peers);
}