public void FahClientReader_ReadThrowsInvalidOperationExceptionWhenConnectionIsNotConnected()
{
// Arrange
var reader = new FahClientReader(new FahClientConnection("foo", 2000));
// Act & Assert
Assert.Throws <InvalidOperationException>(() => reader.Read());
}
public void FahClientReader_ReadThrowsInvalidOperationExceptionWhenTcpConnectionIsNoLongerConnected()
{
// Arrange
using (var connection = new MockFahClientConnection())
{
connection.Open();
var reader = new FahClientReader(connection);
// Act & Assert
Assert.Throws <InvalidOperationException>(() => reader.Read());
}
}
public void FahClientReader_ReadRethrowsExceptionFromStreamReadAndClosesTheConnection()
{
// Arrange
Func <TcpConnection> factory = () => new MockTcpConnection(() => new MockStreamThrowsOnRead());
using (var connection = new FahClientConnection("foo", 2000, new MockTcpConnectionFactory(factory)))
{
connection.Open();
var reader = new FahClientReader(connection);
// Act & Assert
Assert.Throws <IOException>(() => reader.Read());
Assert.IsFalse(connection.Connected);
}
}
public void FahClientReader_ReadReadsNoMessageFromConnection()
{
// Arrange
Func <TcpConnection> factory = () => new MockTcpConnection();
using (var connection = new FahClientConnection("foo", 2000, new MockTcpConnectionFactory(factory)))
{
connection.Open();
var reader = new FahClientReader(connection);
// Act
bool result = reader.Read();
// Assert
Assert.IsFalse(result);
Assert.IsNull(reader.Message);
}
}
public void FahClientReader_ReadExtractsExistingMessage()
{
// Arrange
Func <TcpConnection> factory = () => new MockTcpConnection();
using (var connection = new FahClientConnection("foo", 2000, new MockTcpConnectionFactory(factory)))
{
connection.Open();
var reader = new FahClientReader(connection, new FahClientMessageExtractorWithMessage(MessageFromStream));
reader.BufferSize = 8;
// Act
bool result = reader.Read();
// Assert
Assert.IsTrue(result);
var message = reader.Message;
Assert.AreEqual(FahClientMessageType.Info, message.Identifier.MessageType);
Assert.AreEqual(MessageFromReader, message.MessageText.ToString());
}
}