public void HandleAsync_Should_Create_Customer_And_Publish_Event() { //arrange CreateCustomer command = new CreateCustomer(Guid.NewGuid(), "testing name", "*****@*****.**", "08139669123", "komp no 19"); Customer user = new Customer(command.Id, command.FullName, command.Email, command.Phone, command.Address); _stubMongoRepository.Setup(x => x.AddAsync(It.IsAny <Customer>())).Verifiable(); _stubBusPublisher.Setup(x => x.PublishAsync(It.IsAny <CustomerCreated>(), _stubContext.Object)).Verifiable(); var mockCreateCustomerCommand = new CreateCustomerCommand(_stubMongoRepository.Object, _stubBusPublisher.Object); //act mockCreateCustomerCommand.HandleAsync(command, _stubContext.Object); //assert _stubMongoRepository.Verify(); _stubBusPublisher.Verify(); }