public void GivenAMessage_WhenAskedToProcess_ShouldTryToFindHandlersForMessageTypeHierarchy()
{
var expected = new[]
{
typeof(ICommandHandler <object>),
typeof(ICommandHandler <SimpleCommandBase>),
typeof(ICommandHandler <SimpleCommand>),
};
var result = new List <Type>();
Resolver.Reset();
Resolver.Configure(
type => null,
type =>
{
result.Add(type);
return(LocateAllCommandHandlers(type));
},
o => { });
var processor = new CommandProcessorTestDataBuilder().Build();
processor.Process(new SimpleCommand());
CollectionAssert.AreEqual(expected, result);
}
public void GivenAMessage_WhenAskedToProcess_ShouldInvokeCommandHandlersInCorrectSequence()
{
var expected = new[]
{
typeof(object),
typeof(SimpleCommandBase),
typeof(SimpleCommand),
};
var processor = new CommandProcessorTestDataBuilder().Build();
processor.Process(new SimpleCommand());
_objectCommandHandler.Messages.ToList().ForEach(Console.WriteLine);
CollectionAssert.AreEqual(expected, _objectCommandHandler.Messages);
}
public void GivenAMessageHandledByMultipleHandlers_WhenAskedToProcess_ShouldInvokeAllCommandHandlersInCorrectSequence()
{
var processor = new CommandProcessorTestDataBuilder().Build();
var command = new CommandHandledByMultipleHandlers();
processor.Process(command);
var expected =
new[]
{
typeof(ObjectCommandHandler),
typeof(CommandHandlerA),
typeof(CommandHandlerB)
};
CollectionAssert.AreEqual(
expected,
command.HandlersThatHandledThisMessage
.Select(x => x.GetType())
.ToArray());
}
public void GivenAMessageHandledByMultipleHandlers_WhenAskedToProcessWithDifferentHandlerOrdering_ShouldInvokeAllCommandHandlersInCorrectSequence()
{
Conventions.SetHandlerSortingMethod((x, y) => string.Compare(y.GetType().FullName, x.GetType().FullName, StringComparison.InvariantCultureIgnoreCase));
var processor = new CommandProcessorTestDataBuilder().Build();
var command = new CommandHandledByMultipleHandlers();
processor.Process(command);
var expected =
new[]
{
typeof(ObjectCommandHandler),
typeof(CommandHandlerB),
typeof(CommandHandlerA)
};
CollectionAssert.AreEqual(
expected,
command.HandlersThatHandledThisMessage
.Select(x => x.GetType())
.ToArray());
}
