public async Task Delete_Author_Should_Fail_For_Null_Author()
{
//Arrange
var fixture = new Fixture();
var command = fixture.Create <DeleteAuthorCommand>();
var mockUnitOfWork = new Mock <IUnitOfWork>();
var mockAuthorRepository = new Mock <IAsyncRepository <Author> >();
mockAuthorRepository.Setup(x => x.FindAsync(It.IsAny <long>())).ReturnsAsync(It.IsAny <Author>());
mockUnitOfWork.Setup(x => x.AuthorRepository).Returns(mockAuthorRepository.Object);
var removeAuthorHandler = new RemoveCommandHandler(mockUnitOfWork.Object);
//Act
var result = await removeAuthorHandler.Handle(command);
//Assert
result.IsFailure.Should().BeTrue();
result.Error.Should().Be($"No Author found for Id {command.Id}.");
}
public async Task Delete_Author_Should_Call_Remove_Method_And_SaveChanges_Once()
{
//Arrange
var fixture = new Fixture();
var command = fixture.Create <DeleteAuthorCommand>();
fixture.Customize(new AuthorCustomization());
var author = fixture.Create <Author>();
var mockUnitOfWork = new Mock <IUnitOfWork>();
var mockAuthorRepository = new Mock <IAsyncRepository <Author> >();
mockAuthorRepository.Setup(x => x.FindAsync(It.IsAny <long>())).ReturnsAsync(author);
mockUnitOfWork.Setup(x => x.AuthorRepository).Returns(mockAuthorRepository.Object);
var removeAuthorHandler = new RemoveCommandHandler(mockUnitOfWork.Object);
//Act
var result = await removeAuthorHandler.Handle(command);
//Assert
mockAuthorRepository.Verify(x => x.Remove(It.IsAny <Author>()), Times.Once);
mockUnitOfWork.Verify(x => x.SaveChangesAsync(), Times.Once);
result.IsSuccess.Should().BeTrue();
}