public void CreateMessage_Should_SetMessage()
{
// Arrange
var message = new Message();
var messageViewModel = new MessageViewModel(message);
// Act
// Assert
Assert.Same(message, messageViewModel.Message);
}
public void MessageReadByCurrent_Should_NotBeMarkedRead()
{
// Arrange
var message = new Message
{
Id = "123456",
UnreadByCurrent = true
};
var messageViewModel = new MessageViewModel(message);
// Act
// Assert
Assert.False(messageViewModel.Read);
}
public void Message_Should_HaveAuthor()
{
// Arrange
var user = new User
{
Id = "abcdef",
Username = "******"
};
var message = new Message
{
User = user
};
var messageViewModel = new MessageViewModel(message);
// Act
// Assert
Assert.NotNull(messageViewModel.User);
Assert.Same(user, messageViewModel.User);
}
public void CreateMessage_Should_SetDefaultProperties()
{
// Arrange
var message = new Message
{
Id = "123456",
Text = "my message",
Html = "<div>my message</div>",
SentDate = DateTime.Now,
UnreadByCurrent = false
};
var messageViewModel = new MessageViewModel(message);
// Act
// Assert
Assert.Equal("123456", messageViewModel.Id);
Assert.Equal("my message", messageViewModel.Text);
Assert.Equal("<div>my message</div>", messageViewModel.Html);
Assert.Equal(DateTime.Now.ToString(), messageViewModel.SentDate.ToString());
Assert.Null(messageViewModel.User);
Assert.True(messageViewModel.Read);
}
public MessageViewModel(Message message)
{
// Properties
Message = message;
Id = message.Id;
Text = message.Text;
Html = message.Html;
SentDate = message.SentDate;
User = message.User;
Read = !message.UnreadByCurrent;
if (IsInDesignMode)
{
// Code runs in Blend --> create design time data.
}
else
{
// Code runs "for real"
}
}
public void UpdateMessage_Should_UpdateTextContent()
{
// Arrange
var message = new Message
{
Id = "123456",
Text = "my first message"
};
var messageViewModel = new MessageViewModel(message);
// Act
messageViewModel.UpdateMessage("my updated message");
// Assert
Assert.Equal("my updated message", messageViewModel.Text);
Assert.Equal("my updated message", message.Text);
}
public void ReadMessage_Should_MarkMessageAsRead()
{
// Arrange
var message = new Message
{
Id = "123456",
Text = "my first message",
UnreadByCurrent = true
};
var messageViewModel = new MessageViewModel(message);
// Act
messageViewModel.MarkAsRead();
// Assert
Assert.True(messageViewModel.Read);
Assert.False(message.UnreadByCurrent);
}
private async Task NotifyNewMessageAsync(Message message)
{
// Do not add an existing messages to the chat
if (Messages.Any(m => m.Id == message.Id))
return;
// Add message to the room
_eventService.PushMessage
.OnNext(new Tuple<string, IMessageViewModel>(Room.Id, new MessageViewModel(message)));
// If the message was not read, update unread notifications when user is not reading
if (message.UnreadByCurrent)
{
// Add in-app notification (unread count), except for the current selected room
if (_mainViewModel.SelectedRoom != this)
{
var dispatcher = CoreApplication.MainView.CoreWindow.Dispatcher;
await dispatcher.RunAsync(CoreDispatcherPriority.High, () => UnreadMessagesCount++);
}
// Send notification (new message)
if (!Room.DisabledNotifications && _mainViewModel.CurrentUser.Id != message.User.Id)
{
string id = $"{Room.Name}_message_{Room.Id}";
_localNotificationService.SendNotification(Room.Name, message.Text, id, Room.Name);
}
}
}
public Task<Message> UpdateMessageAsync(string roomId, string messageId, string message)
{
UpdatedMessages++;
var m = new Message
{
Id = messageId,
EditedDate = DateTime.Now,
Text = message
};
return Task.FromResult(m);
}
public Task<Message> SendMessageAsync(string roomId, string message)
{
MessagesSent++;
var m = new Message
{
Id = string.Format("xadg41w{0}", MessagesSent),
SentDate = DateTime.Now,
Text = message
};
return Task.FromResult(m);
}
