public void WhenDataConnectionHandshakeHasErrorExceptionThrown()
{
// arrange
var messageProtocol = new MessageProtocol();
var dataConnectionHandshake = new DataConnectionHandshake(messageProtocol);
var binaryReader = new Mock <BinaryReader>(new MemoryStream());
var binaryWriter = new Mock <BinaryWriter>(new MemoryStream());
binaryReader.Setup(x => x.ReadByte())
.Returns(MessageTypes.Error);
const string errorString = "Error";
binaryReader.Setup(x => x.ReadBytes(sizeof(short)))
.Returns(new byte[] { 0x0, Convert.ToByte(errorString.Length) });
binaryReader.Setup(x => x.ReadBytes(errorString.Length))
.Returns(System.Text.Encoding.UTF8.GetBytes(errorString));
var connection = new Connection(binaryReader.Object, binaryWriter.Object);
try
{
// act
dataConnectionHandshake.PerformHandshake(1, connection);
}
catch (HandshakeException e)
{
Assert.AreEqual("Error", e.Message);
}
// assert
binaryWriter.Verify(x => x.Write(MessageTypes.DataHello), Times.Once);
}
public void WhenDataConnectionHandshakeHasUnknownErrorExceptionThrown()
{
// arrange
var messageProtocol = new MessageProtocol();
var dataConnectionHandshake = new DataConnectionHandshake(messageProtocol);
var binaryReader = new Mock <BinaryReader>(new MemoryStream());
var binaryWriter = new Mock <BinaryWriter>(new MemoryStream());
binaryReader.Setup(x => x.ReadByte())
.Returns(0xFE);
var connection = new Connection(binaryReader.Object, binaryWriter.Object);
try
{
// act
dataConnectionHandshake.PerformHandshake(1, connection);
}
catch (HandshakeException e)
{
Assert.AreEqual("Handshake operation failed with unexpected reply: 254", e.Message);
}
// assert
binaryWriter.Verify(x => x.Write(MessageTypes.DataHello), Times.Once);
}
public void WhenDataConnectionHandshakeSuccessConfigurationReturned()
{
// arrange
var messageProtocol = new MessageProtocol();
var dataConnectionHandshake = new DataConnectionHandshake(messageProtocol);
var binaryReader = new Mock <BinaryReader>(new MemoryStream());
var binaryWriter = new Mock <BinaryWriter>(new MemoryStream());
// set up configuration message read
binaryReader.Setup(x => x.ReadByte())
.Returns(MessageTypes.DataHelloReply);
var connection = new Connection(binaryReader.Object, binaryWriter.Object);
// act
var success = dataConnectionHandshake.PerformHandshake(1, connection);
// assert
binaryWriter.Verify(x => x.Write(MessageTypes.DataHello), Times.Once);
Assert.IsTrue(success);
}
