public void handlers_that_wrap_exceptions_return_on_tryfire()
{
var bus = new CommandBus("local");
long gotCmd = 0;
long gotResponse = 0;
long gotAck = 0;
long msgCount = 0;
const string errText = @"I knew this would happen.";
bus.Subscribe(new AdHocCommandHandler <TestCommands.TestCommand>(
cmd =>
{
Interlocked.Exchange(ref gotCmd, 1);
throw new CommandException(errText, cmd);
},
// ReSharper disable once RedundantArgumentDefaultValue
wrapExceptions: true));
bus.Subscribe(new AdHocHandler <CommandResponse>(
cmd => Interlocked.Exchange(ref gotResponse, 1)));
bus.Subscribe(new AdHocHandler <AckCommand>(
cmd => Interlocked.Exchange(ref gotAck, 1)));
bus.Subscribe(new AdHocHandler <Message>(
cmd => Interlocked.Increment(ref msgCount)));
CommandResponse response;
var command = new TestCommands.TestCommand(Guid.NewGuid(), null);
var passed = bus.TryFire(command, out response);
Assert.False(passed, "Expected false return");
Assert.IsType(typeof(Fail), response);
Assert.IsType(typeof(CommandException), ((Fail)response).Exception);
Assert.True(string.Equals($"{command.GetType().Name}: {errText}", ((Fail)response).Exception.Message, StringComparison.Ordinal));
Assert.IsOrBecomesTrue(() => Interlocked.Read(ref msgCount) == 3, null, "Expected 3 Messages");
Assert.IsOrBecomesTrue(() => Interlocked.Read(ref gotAck) == 1, null, "Expected Ack");
Assert.IsOrBecomesTrue(() => Interlocked.Read(ref gotCmd) == 1, null, "Expected Command was handled");
Assert.IsOrBecomesTrue(() => Interlocked.Read(ref gotResponse) == 1, null, "Expected Response");
}
