Blog.Logic.Core.Tests.TagsLogicTest.ShouldGetTagsByPostId C# (CSharp) Method

        public void ShouldGetTagsByPostId()
        {
            const int postId = 1;
            var tags = _tags.Where(a => a.TagId != 3).ToList();
            var post = _posts.Where(a => a.PostId == 1).ToList();

            _tagRepository = new Mock<ITagRepository>();
            _tagRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Tag, bool>>>(), null, string.Empty))
                .Returns(tags);

            _postRepository = new Mock<IPostRepository>();
            _postRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Post, bool>>>(),
                It.IsAny<Func<IQueryable<Post>, IOrderedQueryable<Post>>>(), It.IsAny<string>()))
                .Returns(post);

            _tagsLogic = new TagsLogic(_tagRepository.Object, _postRepository.Object);

            var result = _tagsLogic.GetByPostId(postId);

            Assert.AreEqual(2, result.Count);

        }