public async Task Should_Observe_Pushed()
{
// Given
PopupNavigationEvent pushing = null;
var viewModel = new NavigableViewModelMock();
var popup = new PopupMock
{
ViewModel = viewModel
};
var navigation = Substitute.For <IPopupNavigation>();
var viewLocator = Substitute.For <IViewLocator>();
viewLocator.ResolveView(Arg.Any <IViewModel>()).Returns(popup);
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(navigation).WithViewLocator(viewLocator);
sut.Pushed.Subscribe(x => pushing = x);
// When
await sut.PushPopup(viewModel);
navigation.Pushed += Raise.EventWith(new PopupNavigationEventArgs(popup, true));
// Then
pushing.ViewModel.Should().Be(viewModel);
}
public async Task Should_Call_Popup_Navigation()
{
// Given
var navigation = Substitute.For <IPopupNavigation>();
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(navigation);
// When
await sut.PushPopup <NavigableViewModelMock>();
// Then
await navigation.Received(1).PushAsync(Arg.Any <PopupPage>()).ConfigureAwait(false);
}
public async Task Should_Observe_Pushed()
{
// Given
bool pushed = false;
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(new PopupNavigationMock());
sut.Pushed.Select(_ => true).Subscribe(x => pushed = x);
// When
await sut.PushPopup <NavigableViewModelMock>();
// Then
pushed.Should().BeTrue();
}
public async Task Should_Call_View_Locator()
{
// Given
var viewLocator = Substitute.For <IViewLocator>();
viewLocator.ResolveView(Arg.Any <IViewModel>()).Returns(new PopupMock());
PopupViewStackService sut = new PopupViewStackServiceFixture().WithViewLocator(viewLocator);
// When
await sut.PushPopup <NavigableViewModelMock>();
// Then
viewLocator.Received(1).ResolveView(Arg.Any <IViewModel>());
}
public async Task Should_Call_View_Model_Factory()
{
// Given
var viewModelFactory = Substitute.For <IViewModelFactory>();
viewModelFactory.Create <NavigableViewModelMock>(Arg.Any <string>()).Returns(new NavigableViewModelMock());
PopupViewStackService sut = new PopupViewStackServiceFixture().WithViewModelFactory(viewModelFactory);
// When
await sut.PushPopup <NavigableViewModelMock>();
// Then
viewModelFactory.Received(1).Create <NavigableViewModelMock>();
}
public async Task Should_Observe_Pushing()
{
// Given
bool pushing = false;
var parameter = new NavigationParameter();
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(new PopupNavigationMock());
sut.Pushing.Select(_ => true).Subscribe(x => pushing = x);
// When
await sut.PushPopup(new NavigableViewModelMock(), parameter);
// Then
pushing.Should().BeTrue();
}
public async Task Should_Call_Navigating_To()
{
// Given
var parameter = new NavigationParameter();
var viewLocator = Substitute.For <IViewLocator>();
var viewModel = Substitute.For <INavigable>();
viewLocator.ResolveView(Arg.Any <NavigableViewModelMock>(), Arg.Any <string>()).Returns(new PopupMock());
var navigation = Substitute.For <IPopupNavigation>();
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(navigation);
// When
await sut.PushPopup(viewModel, parameter);
// Then
await viewModel.Received(1).WhenNavigatingTo(parameter);
}
public async Task Should_Call_Navigating_To()
{
// Given
var parameter = new NavigationParameter();
var viewModel = Substitute.For <AbstractViewModel>();
var viewLocator = Substitute.For <IViewLocator>();
viewLocator.ResolveView(Arg.Any <AbstractViewModel>()).Returns(new PopupMock());
var factory = Substitute.For <IViewModelFactory>();
factory.Create <AbstractViewModel>(Arg.Any <string>()).Returns(viewModel);
var navigation = Substitute.For <IPopupNavigation>();
PopupViewStackService sut = new PopupViewStackServiceFixture().WithNavigation(navigation).WithViewModelFactory(factory).WithViewLocator(viewLocator);
// When
await sut.PushPopup <AbstractViewModel>(parameter);
// Then
await viewModel.Received(1).WhenNavigatingTo(parameter);
}
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.RemovePopup(viewModel);
// Then
((IDestructible)popup.ViewModel).Received(1).Destroy();
}
