//[ExpectedException(typeof(InvalidOperationException), "")]
public void TestWriteByWrongReqeustType()
{
// Arrange
var msg = new DataMessage(new byte[] { 0, 0, 0, 2 })
{
Address = 1,
CmdCode = 0x20,
MessageType = MessageType.IncomingMessage
};
Mock<IDataLinkPort> comPort = new Mock<IDataLinkPort>();
comPort.Setup(p => p.IsOpen).Returns(true);
comPort.Setup(p => p.MessagesToRead).Returns(0);
comPort.Setup(p => p.Write(It.IsAny<IMessage>()))
.Raises(m => m.MessageReceived += null, new EventArgs());
comPort.Setup(p => p.Read()).Returns(msg);
var controller = new IncotexNetworkController();
controller.Connection = comPort.Object;
var device = new Mercury203();
controller.Devices.Add(device);
controller.Start();
var request = new DataMessage()
{
Address = 0x1,
CmdCode = Convert.ToByte(Mercury203CmdCode.ReadGroupAddress)
};
var wrongTrans = new Transaction(null, TransactionType.Undefined, request) { Sender = device }; // Ошибка !!!
var networkRequest = new NetworkRequest(wrongTrans);
// Act
try
{
controller.Write(networkRequest);
while (networkRequest.Status != NetworkRequestStatus.Failed)
{
// Ждём, должно быть исключение
}
}
catch (Exception ex)
{
// Assert
Assert.AreEqual(typeof(InvalidOperationException), ex.GetType());
}
}
/// <summary>
/// Возвращает объект транзакции для провторного выполения запроса
/// </summary>
/// <returns></returns>
public bool NextAttempt(out Transaction transaction)
{
if (Status != NetworkRequestStatus.Failed)
{
throw new InvalidOperationException(
"Невозможно выполнить повтор запроса, данная операция возможно только при неудачном предыдущем запросе");
}
if (_transactions.Count < _totalAttempts)
{
_transactions.Add(new Transaction(_transactions[0].Sender,
_transactions[0].TransactionType, _transactions[0].Request));
transaction = _transactions[_transactions.Count - 1];
return true;
}
else
{
// Кол-во попыток исчерпано
transaction = null;
return false;
}
}
public NetworkRequest(Transaction transaction)
{
_asyncRequestResult = new AsyncRequestResult(this);
_transactions.Insert(0, transaction);
}
