public void Handle_CommandValid_ShouldHandleCommandAfterValidation(
[Frozen] Mock<ICommandHandler<ICommand>> commandHandler,
[Frozen] Mock<IValidator> validator,
ICommand command,
CommandValidationDecorator<ICommand> decorator)
{
// Arrange and assert
var callOrder = 0;
validator.Setup(d => d.Validate(command)).Callback(() => callOrder++.Should().Be(0));
commandHandler.Setup(d => d.Handle(command)).Callback(() => callOrder++.Should().Be(1));
// Act
decorator.Handle(command);
}
public void Handle_CommandInvalid_ShouldThrowExceptionAndNotHandleCommand(
[Frozen] Mock<ICommandHandler<ICommand>> commandHandler,
[Frozen] Mock<IValidator> validator,
ICommand command,
CommandValidationDecorator<ICommand> decorator)
{
// Arrange
validator.Setup(d => d.Validate(It.IsAny<ICommand>())).Throws<Exception>();
// Act
Assert.Throws<Exception>(() => decorator.Handle(command));
// Assert
commandHandler.Verify(d => d.Handle(It.IsAny<ICommand>()), Times.Never);
}
