public async Task Should_Call_Popup_Navigation()
{
// Given
var navigation = Substitute.For <IPopupNavigation>();
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(navigation);
// When
await sut.PopPopup();
// Then
await navigation.Received(1).PopAsync(Arg.Any <bool>()).ConfigureAwait(false);
}
public async Task Should_Observe_Popped()
{
// Given
bool pushed = false;
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(new PopupNavigationMock());
sut.Popped.Select(_ => true).Subscribe(x => pushed = x);
// When
await sut.PushPopup(new NavigableViewModelMock());
await sut.PopPopup();
// Then
pushed.Should().BeTrue();
}
public async Task Should_Call_Destroy()
{
// Given
var viewModel = Substitute.For <IEverything>();
var popup = new PopupMock
{
ViewModel = viewModel
};
bool pushed = false;
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(new PopupNavigationMock());
sut.Popped.Select(_ => true).Subscribe(x => pushed = x);
// When
await sut.PushPopup(viewModel);
await sut.PopPopup();
// Then
((IDestructible)popup.ViewModel).Received(1).Destroy();
}