[TestMethod]//ok public void DeleteComTest() { //firstly, add user to add him post var user = new Users { Nickname = Guid.NewGuid().ToString().Substring(10), Username = Guid.NewGuid().ToString().Substring(10), Info = Guid.NewGuid().ToString().Substring(10) }; var dataLayer = new DataLayer.Sql.DataLayer(ConnectionString); user = dataLayer.AddUser(user); //add post to user var post = new Posts { UserId = user.UserId, Date = DateTime.Now, Photo = Guid.NewGuid().ToString().Substring(10) }; post = dataLayer.AddPost(post); //add com to post var com = new Comments() { Date = DateTime.Now, FromId = user.UserId, PostId = post.PostId, Text = Guid.NewGuid().ToString().Substring(10) }; dataLayer.AddCommentToPost(post.PostId, com); dataLayer.DeleteComment(com.ComId); Assert.AreEqual(dataLayer.IsComment(com.ComId), false); }