public void OnException()
{
// arrange
var connection = new Mock <IConnection>();
SerializedMessage message;
connection.Setup(x => x.TryReceiveMessage(out message)).Throws <Exception>();
var worker = new MessageReveiver(connection.Object);
// assert
Assert.Throws <ConnectionException>(() =>
{
worker.DoWork();
});
}
public void WorkerLoopWhenSingleMessage()
{
// arrange
var message = new SerializedMessage("TestRoute", new byte[] { 1, 2, 3 });
SerializedMessage?messageFromEvent = null;
var connection = new Mock <IConnection>();
connection.Setup(x => x.TryReceiveMessage(out message)).Returns(true);
var worker = new MessageReveiver(connection.Object);
worker.OnNewMessage += m => messageFromEvent = m;
// act
var messageProcessed = worker.DoWork();
// assert
Assert.IsTrue(messageProcessed);
Assert.AreEqual(message, messageFromEvent);
connection.Verify(x => x.TryReceiveMessage(out message), Times.Once);
}
public void WorkerLoopWhenNoMessages()
{
// arrange
SerializedMessage message;
var eventWasInvoked = false;
var connection = new Mock <IConnection>();
connection.Setup(x => x.TryReceiveMessage(out message)).Returns(false);
var worker = new MessageReveiver(connection.Object);
worker.OnNewMessage += _ => eventWasInvoked = true;
// act
var messageProcessed = worker.DoWork();
// assert
Assert.IsFalse(messageProcessed);
Assert.IsFalse(eventWasInvoked);
connection.Verify(x => x.TryReceiveMessage(out message), Times.Once);
}