public void CloseScreen_WhenActivateOfPreviouslyActiveThrowsException_RemovesPreviouslyActiveAndSetsActiveScreenToNull()
{
ScreenConductor conductor = CreateScreenConductor();
OpenNewScreen(conductor);
ScreenMock previouslyActive = new ScreenMock(Aggregator);
OpenScreen(conductor, previouslyActive);
ScreenMock newScreen = new ScreenMock(Aggregator);
OpenScreen(conductor, newScreen);
PropertyChangedCounter pc = CreateActiveScreenChangedListener(conductor);
previouslyActive.ThrowOnActivate = true;
CloseScreen(conductor, newScreen, false);
Assert.IsFalse(conductor.Screens.Contains(newScreen));
Assert.IsFalse(conductor.Screens.Contains(previouslyActive));
Assert.IsNull(conductor.ActiveScreen);
pc.AssertOneRaise();
}
public void OpenScreen_WhenDeactivateThrowsException_AddsScreenAndUpdatesActiveScreen()
{
ScreenConductor conductor = CreateScreenConductor();
ScreenMock alreadyOpen = OpenNewScreen(conductor);
ScreenMock oldScreen = new ScreenMock(Aggregator)
{
ThrowOnDeactivate = true
};
OpenScreen(conductor, oldScreen);
PropertyChangedCounter pc = CreateActiveScreenChangedListener(conductor);
ScreenMock newScreen = new ScreenMock(Aggregator);
OpenScreen(conductor, newScreen);
Assert.IsTrue(newScreen.WasInitialized);
Assert.IsTrue(newScreen.WasActivated);
Assert.IsTrue(conductor.Screens.Contains(newScreen));
Assert.AreEqual(newScreen, conductor.ActiveScreen);
Assert.IsFalse(conductor.Screens.Contains(oldScreen));
pc.AssertOneRaise();
}
public void NotifyChange_ForOwnProperty_RaisesPropertyChangedForErrorProperty()
{
var counter = new PropertyChangedCounter(VM, "Error");
VMInterface.NotifyChange(ChangeArgs
.ValidationResultChanged()
.PrependViewModel(VM)
);
counter.AssertOneRaise();
}
public void PropertyChanged_WhenViewModelPropertyIsSetToInvalidVM_IsRaised()
{
var counter = new PropertyChangedCounter(Parent, "IsValid");
Assert.IsTrue(Parent.IsValid);
Parent.ChildProperty = new ChildVM {
ValidationResultToReturn = false
};;
Assert.IsFalse(Parent.IsValid);
counter.AssertOneRaise();
}
public void PropertyChanged_WhenInvalidItemIsAddedToCollection_IsRaised()
{
var counter = new PropertyChangedCounter(Parent, "IsValid");
Assert.IsTrue(Parent.IsValid);
Parent.ChildCollection.Add(new ChildVM {
ValidationResultToReturn = false
});
Assert.IsFalse(Parent.IsValid);
counter.AssertOneRaise();
}
public void CloseScreen_WhenCloseThrowsException_RemovesScreen()
{
ScreenConductor condcutor = CreateScreenConductor();
ScreenMock alreadyOpen = OpenNewScreen(condcutor);
ScreenMock newScreen = new ScreenMock(Aggregator)
{
ThrowOnClose = true
};
OpenScreen(condcutor, newScreen);
PropertyChangedCounter pc = CreateActiveScreenChangedListener(condcutor);
CloseScreen(condcutor, newScreen, false);
Assert.IsFalse(condcutor.Screens.Contains(newScreen));
Assert.AreEqual(alreadyOpen, condcutor.ActiveScreen);
pc.AssertOneRaise();
}
public void OpenScreen_WhenActivateThrowsException_DoesNotAddScreenAndSetsActivateScreenToNull()
{
ScreenConductor conductor = CreateScreenConductor();
ScreenMock alreadyOpen = OpenNewScreen(conductor);
PropertyChangedCounter pc = CreateActiveScreenChangedListener(conductor);
ScreenMock newScreen = new ScreenMock(Aggregator)
{
ThrowOnActivate = true
};
OpenScreen(conductor, newScreen);
Assert.IsTrue(newScreen.WasInitialized);
Assert.IsTrue(newScreen.WasActivated);
Assert.IsFalse(conductor.Screens.Contains(newScreen));
Assert.IsNull(conductor.ActiveScreen);
pc.AssertOneRaise();
}
