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

        public void ShouldAddTag()
        {
            var tag = new Common.Contracts.Tag {TagName = "foo"};
            _tagRepository = new Mock<ITagRepository>();
            _tagRepository.Setup(a => a.Add(It.IsAny<Tag>())).Returns(new Tag { TagName = "foo" });
            _tagRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Tag, bool>>>(),
                It.IsAny<Func<IQueryable<Tag>, IOrderedQueryable<Tag>>>(), It.IsAny<string>()))
                .Returns(new List<Tag>());

            _postRepository = new Mock<IPostRepository>();

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

            var result = _tagsLogic.Add(tag);

            Assert.NotNull(result);
            Assert.IsNull(result.Error);
        }