public void ShouldThrowExceptionWhenDeletePostContentFails()
{
_postRepository = new Mock<IPostRepository>();
_postRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Post, bool>>>(), true))
.Throws(new Exception());
_postContentRepository = new Mock<IPostContentRepository>();
_mediaRepository = new Mock<IMediaRepository>();
_postsLogic = new PostsLogic(_postRepository.Object, _postContentRepository.Object,
_mediaRepository.Object);
Assert.Throws<BlogException>(() => _postsLogic.DeletePost(1));
}