public void WhenCreated_ThenConnectsServiceAndIsAvailable()
{
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock.SetupSet(svc => svc.Connected = true);
serviceMock.SetupGet(svc => svc.Connected).Returns(true);
serviceMock.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()));
var viewModel = new ChatViewModel(serviceMock.Object);
Assert.AreEqual("Available", viewModel.ConnectionStatus);
serviceMock.VerifyAll();
}
public void WhenCreated_ThenGetsContactsFromService()
{
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
var serviceMock = new Mock<IChatService>();
serviceMock
.SetupGet(svc => svc.Connected)
.Returns(true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(c => getContactsCallback = c);
var viewModel = new ChatViewModel(serviceMock.Object);
Assert.IsNotNull(getContactsCallback);
}
public void WhenReceivingContacts_ThenUpdatesContactsCollection()
{
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
var serviceMock = new Mock<IChatService>();
serviceMock
.SetupGet(svc => svc.Connected)
.Returns(true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(c => getContactsCallback = c);
var contacts = new[] { new Contact(), new Contact() };
var resultMock = new Mock<IOperationResult<IEnumerable<Contact>>>();
resultMock.SetupGet(r => r.Result).Returns(contacts);
var viewModel = new ChatViewModel(serviceMock.Object);
getContactsCallback(resultMock.Object);
CollectionAssert.AreEqual(contacts, viewModel.Contacts);
}
public ShowDetailsCommandImplementation(ChatViewModel owner)
{
this.owner = owner;
}
public void WhenChangingConnectionStatus_ThenUpdatesServiceAndNotifiesPropertyChange()
{
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock
.SetupSet(svc => svc.Connected = true);
serviceMock
.SetupSet(svc => svc.Connected = false)
.Raises(svc => svc.ConnectionStatusChanged += null, EventArgs.Empty);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()));
var viewModel = new ChatViewModel(serviceMock.Object);
var tracker = new PropertyChangeTracker(viewModel);
viewModel.ConnectionStatus = "Unavailable";
CollectionAssert.AreEqual(new[] { "ConnectionStatus" }, tracker.ChangedProperties);
serviceMock.VerifyAll();
}
public void WhenSendingMessage_ThenUpdatesAndNotifiesSendingMessage()
{
var contact = new Contact();
var message = "message";
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
Action<IOperationResult> sendMessageCallback = null;
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock
.SetupSet(svc => svc.Connected = true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(cb => getContactsCallback = cb);
serviceMock
.Setup(svc => svc.SendMessage(contact, message, It.IsAny<Action<IOperationResult>>()))
.Callback<Contact, string, Action<IOperationResult>>((c, m, cb) => sendMessageCallback = cb);
var getContactsOperationMock = new Mock<IOperationResult<IEnumerable<Contact>>>();
getContactsOperationMock.SetupGet(or => or.Result).Returns(new[] { contact });
var viewModel = new ChatViewModel(serviceMock.Object);
InteractionRequestedEventArgs args = null;
viewModel.SendMessageRequest.Raised += (s, e) => args = e;
getContactsCallback(getContactsOperationMock.Object);
viewModel.ContactsView.MoveCurrentTo(contact);
var tracker = new PropertyChangeTracker(viewModel);
Assert.IsFalse(viewModel.SendingMessage);
viewModel.SendMessage();
Assert.IsFalse(viewModel.SendingMessage);
var sendMessage = args.Context as SendMessageViewModel;
sendMessage.Result = true;
sendMessage.Message = message;
args.Callback();
Assert.IsTrue(viewModel.SendingMessage);
CollectionAssert.AreEqual(new[] { "SendingMessage" }, tracker.ChangedProperties);
tracker.Reset();
sendMessageCallback(new Mock<IOperationResult>().Object);
Assert.IsFalse(viewModel.SendingMessage);
CollectionAssert.AreEqual(new[] { "SendingMessage" }, tracker.ChangedProperties);
}
public void WhenCancellingTheSendMessageInteraction_ThenDoesNothing()
{
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock.SetupSet(svc => svc.Connected = true);
serviceMock.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()));
var viewModel = new ChatViewModel(serviceMock.Object);
InteractionRequestedEventArgs args = null;
viewModel.SendMessageRequest.Raised += (s, e) => args = e;
viewModel.SendMessage();
Assert.IsNotNull(args);
var sendMessage = args.Context as SendMessageViewModel;
sendMessage.Result = false;
args.Callback();
serviceMock.VerifyAll();
}
public void WhenAcceptingTheSendMessageInteraction_ThenSendsMessage()
{
var contact = new Contact();
var message = "message";
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
Action<IOperationResult> sendMessageCallback = null;
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock
.SetupSet(svc => svc.Connected = true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(cb => getContactsCallback = cb);
serviceMock
.Setup(svc => svc.SendMessage(contact, message, It.IsAny<Action<IOperationResult>>()))
.Callback<Contact, string, Action<IOperationResult>>((c, m, cb) => sendMessageCallback = cb);
var getContactsOperationMock = new Mock<IOperationResult<IEnumerable<Contact>>>();
getContactsOperationMock.SetupGet(or => or.Result).Returns(new[] { contact });
var viewModel = new ChatViewModel(serviceMock.Object);
InteractionRequestedEventArgs args = null;
viewModel.SendMessageRequest.Raised += (s, e) => args = e;
getContactsCallback(getContactsOperationMock.Object);
viewModel.ContactsView.MoveCurrentTo(contact);
viewModel.SendMessage();
Assert.IsNotNull(args);
var sendMessage = args.Context as SendMessageViewModel;
sendMessage.Result = true;
sendMessage.Message = message;
args.Callback();
serviceMock.VerifyAll();
}
public void WhenShowDetailsCommandIsExecuted_ThenUpdatesShowingDetails()
{
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
var serviceMock = new Mock<IChatService>();
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(c => getContactsCallback = c);
var contacts = new[] { new Contact(), new Contact() };
var resultMock = new Mock<IOperationResult<IEnumerable<Contact>>>();
resultMock.SetupGet(r => r.Result).Returns(contacts);
var viewModel = new ChatViewModel(serviceMock.Object);
getContactsCallback(resultMock.Object);
viewModel.ContactsView.MoveCurrentTo(contacts[0]);
var tracker = new PropertyChangeTracker(viewModel);
Assert.IsFalse(viewModel.ShowDetails);
viewModel.ShowDetailsCommand.Execute(true);
Assert.IsTrue(viewModel.ShowDetails);
CollectionAssert.AreEqual(new[] { "ShowDetails" }, tracker.ChangedProperties);
}
public void WhenSendingMessage_ThenInitiatesInteraction()
{
var serviceMock = new Mock<IChatService>();
var viewModel = new ChatViewModel(serviceMock.Object);
bool interactionRaised = false;
viewModel.SendMessageRequest.Raised += (s, e) => interactionRaised = true;
viewModel.SendMessage();
Assert.IsTrue(interactionRaised);
}
public void WhenContactIsSelected_ThenCommandCanBeExecutedAndNotifiesChange()
{
Action<IOperationResult<IEnumerable<Contact>>> getContactsCallback = null;
var serviceMock = new Mock<IChatService>();
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()))
.Callback<Action<IOperationResult<IEnumerable<Contact>>>>(c => getContactsCallback = c);
var contacts = new[] { new Contact(), new Contact() };
var resultMock = new Mock<IOperationResult<IEnumerable<Contact>>>();
resultMock.SetupGet(r => r.Result).Returns(contacts);
var viewModel = new ChatViewModel(serviceMock.Object);
getContactsCallback(resultMock.Object);
bool commandChanged = false;
viewModel.ShowDetailsCommand.CanExecuteChanged += (s, e) => commandChanged = true;
viewModel.ContactsView.MoveCurrentTo(contacts[0]);
Assert.IsTrue(viewModel.ShowDetailsCommand.CanExecute(null));
Assert.IsTrue(commandChanged);
serviceMock.VerifyAll();
}
public void WhenThereIsNoContactSelected_ThenShowDetailsCommandCannotExecute()
{
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock
.SetupSet(svc => svc.Connected = true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()));
var viewModel = new ChatViewModel(serviceMock.Object);
Assert.IsFalse(viewModel.ShowDetailsCommand.CanExecute(null));
serviceMock.VerifyAll();
}
public void WhenChangingShowDetails_ThenNotifiesPropertyChange()
{
var serviceMock = new Mock<IChatService>(MockBehavior.Strict);
serviceMock
.SetupSet(svc => svc.Connected = true);
serviceMock
.Setup(svc => svc.GetContacts(It.IsAny<Action<IOperationResult<IEnumerable<Contact>>>>()));
var viewModel = new ChatViewModel(serviceMock.Object);
var tracker = new PropertyChangeTracker(viewModel);
viewModel.ShowDetails = true;
CollectionAssert.AreEqual(new[] { "ShowDetails" }, tracker.ChangedProperties);
serviceMock.VerifyAll();
}
public ShowDetailsCommandImplementation(ChatViewModel owner)
{
this.owner = owner;
}
public SendMessageViewModel(Contact contact, ChatViewModel parent)
{
this.contact = contact;
this.parent = parent;
}
