Blog.Logic.Core.Tests.ChatMessagesLogicTest.ShouldGetErrorWhenGettingChatListMessagesByIdReturnsNull C# (CSharp) Method

        public void ShouldGetErrorWhenGettingChatListMessagesByIdReturnsNull()
        {
            _chatMessageRepository = new Mock<IChatMessageRepository>();
            _chatMessageRepository.Setup(a => a.GetUserChatMessages(It.IsAny<int>())).Returns((List<UserChatMessage>)null);

            _userRepository = new Mock<IUserRepository>();

            _chatMessagesLogic = new ChatMessagesLogic(_chatMessageRepository.Object, _userRepository.Object);

            var result = _chatMessagesLogic.GetChatMessagesListByUser(1);

            Assert.IsNotNull(result);
            Assert.IsInstanceOf(typeof(ChatMessagesList), result);
            Assert.IsNotNull(result.Error);
            Assert.AreEqual((int)Constants.Error.RecordNotFound, result.Error.Id);
            Assert.AreEqual("No chat messages found for user with Id 1", result.Error.Message);
        }