JabbR.Services.ChatService.UpdateActivity C# (CSharp) Method

        public void UpdateActivity(ChatUser user, string clientId, string userAgent)
        {
            user.Status = (int)UserStatus.Active;
            user.LastActivity = DateTime.UtcNow;

            ChatClient client = AddClient(user, clientId, userAgent);
            client.UserAgent = userAgent;
            client.LastActivity = DateTimeOffset.UtcNow;

            // Remove any Afk notes.
            if (user.IsAfk)
            {
                user.AfkNote = null;
                user.IsAfk = false;
            }
        }

            public void CanUpdateActivity()
            {
                var repository = new InMemoryRepository();
                var user = new ChatUser
                {
                    Name = "foo",
                    Status = (int)UserStatus.Inactive,
                    IsAfk = true,
                    AfkNote = "note!?"
                };
                repository.Add(user);
                var service = new ChatService(repository, new Mock<ICryptoService>().Object);

                service.UpdateActivity(user, "client1", userAgent: null);
                var clients = user.ConnectedClients.ToList();

                Assert.Equal((int)UserStatus.Active, user.Status);
                Assert.Equal(1, clients.Count);
                Assert.Equal("client1", clients[0].Id);
                Assert.Same(user, clients[0].User);
                Assert.Null(user.AfkNote);
                Assert.False(user.IsAfk);
            }