public void FahClientReader_ReadAsyncThrowsInvalidOperationExceptionWhenConnectionIsNotConnected()
{
// Arrange
var reader = new FahClientReader(new FahClientConnection("foo", 2000));
// Act & Assert
Assert.ThrowsAsync <InvalidOperationException>(() => reader.ReadAsync());
}
public void FahClientReader_ReadAsyncThrowsInvalidOperationExceptionWhenTcpConnectionIsNoLongerConnected()
{
// Arrange
using (var connection = new MockFahClientConnection())
{
connection.Open();
var reader = new FahClientReader(connection);
// Act & Assert
Assert.ThrowsAsync <InvalidOperationException>(() => reader.ReadAsync());
}
}
public void FahClientReader_ReadAsyncRethrowsExceptionFromStreamReadAsyncAndClosesTheConnection()
{
// 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.ThrowsAsync <IOException>(() => reader.ReadAsync());
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());
}
}
public async Task FahClientReader_ReadAsyncReadsMessageFromConnection()
{
// Arrange
using (var stream = CreateStreamWithMessage())
{
Func <TcpConnection> factory = () => new MockTcpConnection(() => stream);
using (var connection = new FahClientConnection("foo", 2000, new MockTcpConnectionFactory(factory)))
{
connection.Open();
var reader = new FahClientReader(connection);
reader.BufferSize = 8;
// Act
bool result = await reader.ReadAsync();
// Assert
Assert.IsTrue(result);
var message = reader.Message;
Assert.AreEqual(FahClientMessageType.Info, message.Identifier.MessageType);
Assert.AreEqual(MessageFromReader, message.MessageText.ToString());
}
}
}