public async Task It_stacks_modals_navigators()
{
var sut = new BlindSectionsNavigator();
var modalNavigator = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(1), suppressTransition: true)));
Assert.NotNull(modalNavigator);
Assert.Equal(1, modalNavigator.Priority);
Assert.Single(modalNavigator.State.Stack);
Assert.Single(sut.State.Modals);
Assert.NotNull(sut.State.ActiveModal);
Assert.Equal(modalNavigator, sut.State.ActiveModal);
Assert.Equal(modalNavigator, sut.State.Modals[0]);
var modalNavigator2 = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(2), suppressTransition: true)));
Assert.NotNull(modalNavigator2);
Assert.Equal(2, modalNavigator2.Priority);
Assert.Single(modalNavigator2.State.Stack);
Assert.Equal(2, sut.State.Modals.Count);
Assert.NotNull(sut.State.ActiveModal);
Assert.Equal(modalNavigator2, sut.State.ActiveModal);
Assert.Equal(modalNavigator, sut.State.Modals[0]);
Assert.Equal(modalNavigator2, sut.State.Modals[1]);
}
public async Task It_fails_to_open_2_modals_with_same_priority()
{
var sut = new BlindSectionsNavigator();
await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(), suppressTransition: true), modalPriority: 1));
await Assert.ThrowsAsync <ArgumentException>(async() =>
{
await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(), suppressTransition: true), modalPriority: 1));
});
}
public async Task It_orders_modals()
{
var sut = new BlindSectionsNavigator();
var modalNavigator3 = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(3), suppressTransition: true), modalPriority: 3));
var modalNavigator1 = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(1), suppressTransition: true), modalPriority: 1));
Assert.Equal(sut.State.Modals[0], modalNavigator1);
Assert.Equal(sut.State.Modals[1], modalNavigator3);
var modalNavigator2 = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(2), suppressTransition: true), modalPriority: 2));
Assert.Equal(sut.State.Modals[0], modalNavigator1);
Assert.Equal(sut.State.Modals[1], modalNavigator2);
Assert.Equal(sut.State.Modals[2], modalNavigator3);
}
public async Task It_disposes_modal_VM_when_closing_modals()
{
var sut = new BlindSectionsNavigator();
var modalNavigator = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(1), suppressTransition: true)));
var vm = (TestVM)modalNavigator.State.Stack.Last().ViewModel;
await sut.CloseModal(CancellationToken.None, SectionsNavigatorRequest.GetCloseModalRequest(null));
Assert.True(vm.IsDisposed);
}
public async Task Interface_contract_changes_can_be_detected()
{
var ct = CancellationToken.None;
var navigator = new BlindSectionsNavigator("Section1", "Section2");
// If the core contract changes, we get compilation errors here.
ISectionStackNavigator sectionNavigator = await navigator.SetActiveSection(ct, SectionsNavigatorRequest.GetSetActiveSectionRequest("Section1"));
IModalStackNavigator modalNavigator = await navigator.OpenModal(ct, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigation.StackNavigatorRequest.GetNavigateRequest(() => new TestVM()), "modalName", 0));
await navigator.CloseModal(ct, SectionsNavigatorRequest.GetCloseModalRequest("modalName", 0));
}
public async Task Interface_contract_changes_can_be_detected()
{
var ct = CancellationToken.None;
var sectionsNavigator = new BlindSectionsNavigator("Section1", "Section2");
// If the core contract changes, we get compilation errors here.
IModalStackNavigator navigator = await sectionsNavigator.OpenModal(ct, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigation.StackNavigatorRequest.GetNavigateRequest(() => new TestVM()), "modalName", 0));
// Make sure IModalStackNavigator inherits from IStackNavigator
StackNavigation.IStackNavigator stackNavigator = navigator;
Assert.Equal("modalName", navigator.Name);
Assert.Equal(0, navigator.Priority);
}
public async Task It_produces_failed_notifications_for_OpenModal()
{
var sut = new BlindSectionsNavigator();
var eventList = new List <(object sender, SectionsNavigatorEventArgs args)>();
sut.StateChanged += OnStateChanged;
void OnStateChanged(object sender, SectionsNavigatorEventArgs args)
{
eventList.Add((sender, args));
}
await Assert.ThrowsAsync <InvalidOperationException>(async() => await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => TestVM.Throw(), suppressTransition: true))));
sut.StateChanged -= OnStateChanged;
Assert.Equal(2, eventList.Count);
Assert.Equal(NavigatorRequestState.Processing, eventList[0].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.OpenModal, eventList[0].args.CurrentState.LastRequest.RequestType);
Assert.Equal(NavigatorRequestState.FailedToProcess, eventList[1].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.OpenModal, eventList[1].args.CurrentState.LastRequest.RequestType);
}
public async Task It_produces_2_notifications_for_OpenModal()
{
var sut = new BlindSectionsNavigator();
var eventList = new List <(object sender, SectionsNavigatorEventArgs args)>();
sut.StateChanged += OnStateChanged;
void OnStateChanged(object sender, SectionsNavigatorEventArgs args)
{
eventList.Add((sender, args));
}
var modalNavigator = await sut.OpenModal(CancellationToken.None, SectionsNavigatorRequest.GetOpenModalRequest(StackNavigatorRequest.GetNavigateRequest(() => new TestVM(1), suppressTransition: true)));
sut.StateChanged -= OnStateChanged;
Assert.Equal(2, eventList.Count);
Assert.Equal(NavigatorRequestState.Processing, eventList[0].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.OpenModal, eventList[0].args.CurrentState.LastRequest.RequestType);
Assert.Equal(NavigatorRequestState.Processed, eventList[1].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.OpenModal, eventList[1].args.CurrentState.LastRequest.RequestType);
}
public async Task Extended_interface_contract_changes_can_be_detected()
{
var ct = CancellationToken.None;
var navigator = new BlindSectionsNavigator("Section1", "Section2");
// If the extension methods available in the abstraction package change their signatures, we get compilation errors here.
// Only test extensions specific to ISectionStackNavigator
ISectionStackNavigator sectionNavigator1 = await navigator.SetActiveSection(ct, "Section1");
ISectionStackNavigator sectionNavigator2 = await navigator.SetActiveSection(ct, "Section1", () => new TestVM(), true);
StackNavigation.IStackNavigator stackNavigator = navigator.GetActiveStackNavigator();
await navigator.OpenModal(ct, () => new TestVM(), 0, "modalName");
bool canNavigateBackOrCloseModal = navigator.CanNavigateBackOrCloseModal();
await navigator.NavigateBackOrCloseModal(ct);
IObservable <EventPattern <SectionsNavigatorEventArgs> > ob1 = navigator.ObserveStateChanged();
IObservable <SectionsNavigatorState> ob2 = navigator.ObserveCurrentState();
}