public void TransportShouldNotDropConnectionWhenKeepAliveSuccess()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
networkTransport.StartKeepAlive(100, 1, 500);
Thread.Sleep(200);
GetHeaderFromStream(stream, out byte packetType, out int length);
byte[] payload = GetPayloadFromStream(stream, length);
Assert.AreEqual("PING", Encoding.Unicode.GetString(payload));
byte[] payloadSent = Encoding.Unicode.GetBytes("PONG");
payload = ConstructPayload(payloadSent, 1);
stream.Write(payload, 0, payload.Length);
stream.Position = 0;
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
networkTransport.StartReading();
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
Assert.IsTrue(stream.CanRead);
Assert.IsTrue(stream.CanWrite);
networkTransport.DropConnection();
}
public async Task SendShouldAddPacketTypeInHeader()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
await networkTransport.SendData(new byte[] { 100, 101 });
GetHeaderFromStream(stream, out byte packetType, out int length);
Assert.AreEqual(2, packetType);
}
public void TransportShouldDropConnectionWhenKeepAliveFails()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
networkTransport.StartKeepAlive(100, 1, 100);
Thread.Sleep(1000);
Assert.IsFalse(stream.CanRead);
Assert.IsFalse(stream.CanWrite);
}
public async Task SendShouldWritePayloadAfterHeader()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
byte[] payloadSent = new byte[] { 100, 101 };
await networkTransport.SendData(payloadSent);
GetHeaderFromStream(stream, out byte packetType, out int length);
byte[] payloadReceived = GetPayloadFromStream(stream, (int)length);
Assert.AreEqual(2, packetType);
Assert.AreEqual(2, length);
CollectionAssert.AreEqual(payloadSent, payloadReceived);
}
public void TransportShouldSendKeepAliveAfterTimeout()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
networkTransport.StartKeepAlive(500, 5, 10 * 1000);
Thread.Sleep(1000);
GetHeaderFromStream(stream, out byte packetType, out int length);
byte[] payload = GetPayloadFromStream(stream, length);
Assert.AreEqual(1, packetType);
Assert.AreEqual("PING", Encoding.Unicode.GetString(payload));
networkTransport.DropConnection();
}
public void TransportShouldDropConnectionOnInvalidPacketType()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
byte[] payloadSent = new byte[] { 100, 101 };
byte[] payload = ConstructPayload(payloadSent, 1);
stream.Write(payload, 0, payload.Length);
stream.Position = 0;
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
networkTransport.StartReading();
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
Thread.Sleep(1000);
Assert.IsFalse(stream.CanRead);
Assert.IsFalse(stream.CanWrite);
}
public void ReceiveShouldContainCorrectData()
{
MemoryStream stream = new MemoryStream();
ConcreteNetworkTransport networkTransport = new ConcreteNetworkTransport(stream, CancellationToken.None);
byte[] payloadRecived = null;
networkTransport.OnDataReceived += (data) =>
{
payloadRecived = data;
};
byte[] payloadSent = new byte[] { 100, 101 };
byte[] payload = ConstructPayload(payloadSent);
stream.Write(payload, 0, payload.Length);
stream.Position = 0;
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
networkTransport.StartReading();
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
Thread.Sleep(1000);
CollectionAssert.AreEqual(payloadSent, payloadRecived);
}