public void BeforeEach()
{
_objectUnderTest = new TestViewModelBase();
_changedProperties = new List <string>();
_objectUnderTest.PropertyChanged += (sender, args) => _changedProperties.Add(args.PropertyName);
}
public static void Constructor_ExpectedValues()
{
// Call
var viewModel = new TestViewModelBase();
// Assert
Assert.That(viewModel, Is.InstanceOf <INotifyPropertyChanged>());
}
public void WhenVmIsInitializedPropertyIsInitializedShouldChanged()
{
var testViewModel = new TestViewModelBase();
testViewModel.IsInitialized.ShouldBeFalse();
ViewModelProvider.InitializeViewModel(testViewModel, null);
testViewModel.IsInitialized.ShouldBeTrue();
}
public void GetActualServiceTest2() {
UserControl root = new UserControl();
var service = CreateMessageService();
Interaction.GetBehaviors(root).Add(service);
var viewModel = new TestViewModelBase();
root.DataContext = viewModel;
Button button = new Button();
var b = new ConfirmationBehavior();
Interaction.GetBehaviors(button).Add(b);
root.Content = button;
Assert.AreEqual(service, viewModel.MessageBoxService);
Assert.AreEqual(service, b.GetActualService());
}
public void InitializedEventShouldBeInvokedAfterViewModelWasInitialized()
{
var testViewModel = new TestViewModelBase();
testViewModel.IsInitialized.ShouldBeFalse();
bool isInvoked = false;
Action invokeAction = () => isInvoked = true;
testViewModel.Initialized += (sender, args) => invokeAction();
isInvoked.ShouldBeFalse();
ViewModelProvider.InitializeViewModel(testViewModel, null);
testViewModel.IsInitialized.ShouldBeTrue();
isInvoked.ShouldBeTrue();
}
public void GetActualServiceTest2()
{
UserControl root = new UserControl();
var service = CreateMessageService();
Interaction.GetBehaviors(root).Add(service);
var viewModel = new TestViewModelBase();
root.DataContext = viewModel;
Button button = new Button();
var b = new ConfirmationBehavior();
Interaction.GetBehaviors(button).Add(b);
root.Content = button;
Assert.AreEqual(service, viewModel.MessageBoxService);
Assert.AreEqual(service, b.GetActualService());
}
public void OnPropertyChanged_WithValidArguments_RaisesPropertyChangedEvent(string propertyName)
{
// Setup
var viewModel = new TestViewModelBase();
PropertyChangedEventArgs eventArgs = null;
bool propertyChangedTriggered = false;
viewModel.PropertyChanged += (o, e) =>
{
eventArgs = e;
propertyChangedTriggered = true;
};
// Call
viewModel.PublicOnPropertyChanged(propertyName);
// Assert
Assert.That(propertyChangedTriggered, Is.True);
Assert.That(eventArgs, Is.Not.Null);
Assert.That(eventArgs.PropertyName, Is.EqualTo(propertyName));
}
public void GetActualServiceTest4() {
UserControl root = new UserControl();
var service = CreateMessageService();
Interaction.GetBehaviors(root).Add(service);
Button button = new Button();
var b = new ConfirmationBehavior();
Interaction.GetBehaviors(button).Add(b);
root.DataContext = new object();
root.Content = button;
var viewModel = new TestViewModelBase();
button.DataContext = viewModel;
var service2 = b.GetActualService();
var service3 = b.GetActualService();
Assert.IsNotNull(viewModel.MessageBoxService);
Assert.AreNotEqual(service, service2);
Assert.AreEqual(service2, service3);
b.MessageBoxService = service;
Assert.AreEqual(service, b.GetActualService());
}
public void GetActualServiceTest3() {
UserControl root = new UserControl();
var viewModel = new TestViewModelBase();
root.DataContext = viewModel;
Button button = new Button();
var b = new ConfirmationBehavior();
Interaction.GetBehaviors(button).Add(b);
root.Content = button;
var service = b.GetActualService();
var service2 = b.GetActualService();
var service3 = Interaction.GetBehaviors(button).First(x => x is IMessageBoxService);
Assert.AreEqual(service, service2);
Assert.AreEqual(service, service3);
}
public void InitializedEventShouldBeInvokedAfterViewModelWasInitialized()
{
var testViewModel = new TestViewModelBase();
testViewModel.IsInitialized.ShouldBeFalse();
bool isInvoked = false;
Action invokeAction = () => isInvoked = true;
testViewModel.Initialized += (sender, args) => invokeAction();
isInvoked.ShouldBeFalse();
ViewModelProvider.InitializeViewModel(testViewModel, null);
testViewModel.IsInitialized.ShouldBeTrue();
isInvoked.ShouldBeTrue();
}
public void WhenVmIsInitializedPropertyIsInitializedShouldChanged()
{
var testViewModel = new TestViewModelBase();
testViewModel.IsInitialized.ShouldBeFalse();
ViewModelProvider.InitializeViewModel(testViewModel, null);
testViewModel.IsInitialized.ShouldBeTrue();
}
