gistfile1.txt

def assertUserValidationException(fx):
    def decorator(fx):
        try:
            fx()
        except barrister.RpcException as e:
            assert e.code == 1002
        else:
            assert False, "Should have thrown an RpcException with status code 1002"
    return decorator

def assertIllegalOperationException(fx):
    def decorator(fx):
        try:
            fx()
        except barrister.RpcException as e:
            assert e.code == 1004
        else:
            assert False, "Should have thrown an RpcException with status code 1004"
    return decorator

@assertIllegalOperationException
def testOperation(self):
    service.call_something()

@assertUserValidationException
def testInput(self):
    service.call_something_else()

# i would rather...
@assertRpcException(1004)
def testOperation(self):
    service.call_something()

@assertRpcException(1002)
def testInput(self):
    service.call_something_else()