public void ShouldDeleteAPicture()
{
var id = Guid.NewGuid();
var mockPictureRepository = new Mock <IPictureRepository>();
mockPictureRepository.Setup(r => r.Get(id)).Returns(() =>
{
return(new Picture()
{
Tags = "tag1,tag2"
});
});
var mockTagRepository = new Mock <ITagRepository>();
var pictureController = new PicturesController(mockPictureRepository.Object, mockTagRepository.Object);
pictureController.Delete(id);
mockPictureRepository.Verify(r => r.Get(id), Times.Once());
mockPictureRepository.Verify(r => r.Delete(id), Times.Once());
mockTagRepository.Verify(r => r.DecrementPictureCount("tag1"), Times.Once());
mockTagRepository.Verify(r => r.DecrementPictureCount("tag2"), Times.Once());
mockTagRepository.Verify(r => r.DecrementPictureCount(It.IsAny <string>()), Times.Exactly(2));
}