public void TestUnparsedMetInfoFilePassInCreationOfTorrentContext()
{
MetaInfoFile file = new MetaInfoFile(Constants.SingleFileTorrent);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { TorrentContext tc = new TorrentContext(file, new Selector(), new DiskIO(new Manager()), Constants.DestinationDirectory); });
Assert.Equal("BitTorrent Error: File has not been parsed.", error.Message);
}
public void TestGetPiecesInfoHashWithNoParseOnMetaInfoFile()
{
MetaInfoFile torrentFile = new MetaInfoFile(Constants.SingleFileTorrent);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { byte[] piecesInfoHash = torrentFile.GetPiecesInfoHash(); });
Assert.Equal("BitTorrent Error: File has not been parsed.", error.Message);
}
public void TestGetTrackerWithNoParseOnMetaInfoFile()
{
MetaInfoFile torrentFile = new MetaInfoFile(Constants.SingleFileTorrent);
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { string tracker = torrentFile.GetTracker(); });
Assert.Equal("BitTorrent Error: File has not been parsed.", error.Message);
}
public void TestStartupAlreadyStartedAgent()
{
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { agent.Startup(); }); Assert.Equal("BitTorrent Error: Failure to startup agent.Agent is already running.", error.Message);
}
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 TestShutdownAlreadyShutdownAgent()
{
Mock <IAgentNetwork> networkMock = new Mock <IAgentNetwork>();
Agent agent = new Agent(new Manager(), new Assembler(), networkMock.Object);
agent.Startup();
agent.Shutdown();
BitTorrentException error = Assert.Throws <BitTorrentException>(() => { agent.Shutdown(); });
Assert.Equal("BitTorrent Error: Failed to shutdown agent.Agent already shutdown.", error.Message);
}
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 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);
}
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 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 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 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 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 TestSetSeedingIntervalWhenNotSeeding()
{
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);
tracker.StartAnnouncing();
BitTorrentException error = Assert.Throws <BitTorrentException>(() => tracker.SetSeedingInterval(30));
Assert.Equal("BitTorrent Error: Cannot change interval as torrent is not seeding.", error.Message);
}
/// <summary>
/// Announce the tracker server
/// </summary>
/// <returns>Return the response of announce information</returns>
public async void Announce()
{
try
{
HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(Uri);
try
{
BEncodedNode node;
using (WebResponse webResponse = await httpRequest.GetResponseAsync())
{
Stream stream = webResponse.GetResponseStream();
Debug.Assert(stream != null);
int count = Setting.TrackerBufferLength;
byte[] rcvBuf = new byte[Setting.TrackerBufferLength];
using (MemoryStream ms = new MemoryStream(Setting.TrackerBufferLength))
{
int readLength;
do
{
readLength = await stream.ReadAsync(rcvBuf, 0, count);
ms.Write(rcvBuf, 0, readLength);
} while (readLength != 0);
node = BEncodingFactory.Decode(ms.ToArray());
}
}
DictNode responseNode = node as DictNode;
if (responseNode != null)
{
AnnounceResponse response = Parse(responseNode);
if (response != null)
{
_timer.Interval = response.Interval * 1000;
GotAnnounceResponse(this, response);
}
else
{
_timer.Interval = Setting.TrackerFailInterval;
BitTorrentException exception = new BitTorrentException("Tracker returns fail message.");
ReturnMessageFail(this, exception);
}
}
else
{
_timer.Interval = Setting.TrackerFailInterval;
BitTorrentException exception = new BitTorrentException("Tracker returns fail message.");
ReturnMessageFail(this, exception);
}
}
catch (WebException e)
{
_timer.Interval = Setting.TrackerFailInterval;
Debug.Assert(ConnectFail != null);
ConnectFail(this, e);
}
finally
{
_timer.Start();
}
}
catch (NullReferenceException)
{
//Nothing to be done.
}
}
