public async Task Should_invoke_predispatch_hook()
{
var module = new CommandHandlerModule();
string correlationId = null;
const string correlationIdKey = "CorrelationId";
module.For <Command>().Handle((commandMessage, __) =>
{
correlationId = commandMessage.Metadata.Get <string>(correlationIdKey);
return(Task.FromResult(0));
});
var settings = new CommandHandlingSettings(new CommandHandlerResolver(module))
{
OnPredispatch = (metadata, headers) =>
{
var correlationIdHeader = headers.SingleOrDefault(kvp => kvp.Key == correlationIdKey);
if (correlationIdHeader.Value != null)
{
metadata[correlationIdKey] = correlationIdHeader.Value.SingleOrDefault();
}
}
};
var midFunc = CommandHandlingMiddleware.HandleCommands(settings);
using (var client = midFunc.CreateEmbeddedClient())
{
await client.PutCommand(new Command(), Guid.NewGuid(), customizeRequest : request =>
{
request.Headers.Add(correlationIdKey, "cor-1");
});
correlationId.Should().Be("cor-1");
}
}
public void When_add_duplicate_command_then_should_throw()
{
var module = new CommandHandlerModule();
module.For <Command>().Handle((_, __) => Task.FromResult(0));
Action act = () => module.For <Command>().Handle((_, __) => Task.FromResult(0));
act.ShouldThrow <InvalidOperationException>();
}
public void Can_get_command_types()
{
var module = new CommandHandlerModule();
module.For <Command>().Handle((_, __) => Task.FromResult(0));
var commandTypes = module.CommandTypes.ToList();
commandTypes.Should().HaveCount(1);
commandTypes.Single().Should().Be(typeof(Command));
}
private CommandHandlerModule CreateCommandHandlerModule()
{
var module = new CommandHandlerModule();
module.For <Command>()
.Handle(commandMessage => { _receivedCommands.Add(commandMessage); });
module.For <CommandThatThrowsStandardException>()
.Handle(_ => { throw new InvalidOperationException(); });
module.For <CommandThatThrowsProblemDetailsException>()
.Handle((_, __) =>
{
var problemDetails = new HttpProblemDetails
{
Status = (int)HttpStatusCode.BadRequest,
Type = "http://localhost/type",
Detail = "You done goof'd",
Instance = "http://localhost/errors/1",
Title = "Jimmies Ruslted"
};
throw new HttpProblemDetailsException <HttpProblemDetails>(problemDetails);
});
module.For <CommandThatThrowsMappedException>()
.Handle((_, __) => { throw new ApplicationException("Mapped application exception"); });
module.For <CommandThatThrowsCustomProblemDetailsException>()
.Handle((_, __) =>
{
var problemDetails = new CustomHttpProblemDetails()
{
Status = (int)HttpStatusCode.BadRequest,
Type = "http://localhost/type",
Detail = "You done goof'd",
Instance = "http://localhost/errors/1",
Title = "Jimmies Ruslted",
Name = "Damo"
};
throw new CustomProblemDetailsException(problemDetails);
});
return(module);
}
