public void SendMessage_Calls_ModelSendMessage()
{
const string userName = "******";
const string message = "test message";
var mainModelMock = new Mock<IMainChatModel>();
mainModelMock.SetupGet(x => x.UserName).Returns(userName);
var mainViewModel = new MainPageViewModel(mainModelMock.Object);
var chatModelMock = new Mock<IChatModel>();
var viewModel = new PersonalChatViewModel(chatModelMock.Object, mainViewModel);
viewModel.SendMessage(message);
chatModelMock.Verify(x => x.SendMessage(userName, message), Times.Exactly(1), "Model method 'SendMessage' wasn't called.");
}
public void NewMessageTest()
{
const string userName = "******";
const string message = "test message";
var mainModelMock = new Mock<IMainChatModel>();
var mainViewModel = new MainPageViewModel(mainModelMock.Object);
var chatModelMock = new Mock<IChatModel>();
var viewModel = new PersonalChatViewModel(chatModelMock.Object, mainViewModel);
Assert.AreEqual(0, viewModel.Messages.Count, "Incorrect initial messages count.");
chatModelMock.Raise(x => x.NewMessage += null, new NewMessageEventArgs{Message = message, UserName = userName});
Assert.AreEqual(1, viewModel.Messages.Count, "Incorrect messages count.");
}
