public void CanPullComment() { // Arrange. BlogPost post = CreateBlogPost(); post.Comments.Add(new Comment { Date = DateTime.Now, Name = "Tim Jones" }); post.Save(); // Act. BlogPost.Pull(post.ID, p => p.Comments, c => c.Name == "Tim Jones"); // Assert. BlogPost myPost = BlogPost.Find(post.ID); Assert.That(myPost.Comments.Count, Is.EqualTo(0)); }