public void ShouldThrowExceptionWhenGetCommentsByPostFails()
{
_commentsRepository = new Mock<ICommentRepository>();
_commentsRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Comment, bool>>>(),
It.IsAny<Func<IQueryable<Comment>, IOrderedQueryable<Comment>>>(), It.IsAny<string>()))
.Throws(new Exception());
_userRepository = new Mock<IUserRepository>();
_commentsLogic = new CommentsLogic(_commentsRepository.Object, _userRepository.Object);
Assert.Throws<BlogException>(() => _commentsLogic.GetByPostId(1));
}
public void ShouldGetCommentsByPost()
{
var expected = _comments.Where(a => a.PostId == 1).ToList();
_commentsRepository = new Mock<ICommentRepository>();
_commentsRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Comment, bool>>>(),
It.IsAny<Func<IQueryable<Comment>, IOrderedQueryable<Comment>>>(), It.IsAny<string>()))
.Returns(expected);
_userRepository = new Mock<IUserRepository>();
_commentsLogic = new CommentsLogic(_commentsRepository.Object, _userRepository.Object);
var results = _commentsLogic.GetByPostId(1);
Assert.NotNull(results);
Assert.AreEqual(3, results.Count);
Assert.AreEqual(1, results[0].PostId);
Assert.AreEqual(1, results[1].PostId);
Assert.AreEqual(1, results[2].PostId);
}