public async Task It_produces_2_notifications_for_SetActiveSection()
{
var sut = new BlindSectionsNavigator("defaultSection1", "defaultSection2");
var eventList = new List <(object sender, SectionsNavigatorEventArgs args)>();
sut.StateChanged += OnStateChanged;
void OnStateChanged(object sender, SectionsNavigatorEventArgs args)
{
eventList.Add((sender, args));
}
Assert.Null(sut.State.ActiveSection);
const string sectionName = "defaultSection1";
var activeSection = await sut.SetActiveSection(CancellationToken.None, SectionsNavigatorRequest.GetSetActiveSectionRequest(sectionName));
sut.StateChanged -= OnStateChanged;
Assert.NotNull(sut.State.ActiveSection);
Assert.Equal(sut.State.ActiveSection, activeSection);
Assert.Equal(2, eventList.Count);
Assert.Equal(NavigatorRequestState.Processing, eventList[0].args.CurrentState.LastRequestState);
Assert.Equal(NavigatorRequestState.Processed, eventList[1].args.CurrentState.LastRequestState);
}
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.
ISectionStackNavigator navigator = await sectionsNavigator.SetActiveSection(ct, SectionsNavigatorRequest.GetSetActiveSectionRequest("Section1"));
// Make sure ISectionStackNavigator inherits from IStackNavigator
StackNavigation.IStackNavigator stackNavigator = navigator;
Assert.Equal("Section1", navigator.Name);
}
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();
}
public async Task It_produces_failed_notifications_when_a_section_navigates()
{
var sut = new BlindSectionsNavigator("defaultSection1", "defaultSection2");
var eventList = new List <(object sender, SectionsNavigatorEventArgs args)>();
var section = await sut.SetActiveSection(CancellationToken.None, SectionsNavigatorRequest.GetSetActiveSectionRequest("defaultSection1"));
sut.StateChanged += OnStateChanged;
void OnStateChanged(object sender, SectionsNavigatorEventArgs args)
{
eventList.Add((sender, args));
}
await Assert.ThrowsAsync <InvalidOperationException>(async() => await section.Navigate(CancellationToken.None, StackNavigatorRequest.GetNavigateRequest(() => TestVM.Throw(), suppressTransition: true)));
Assert.Equal(2, eventList.Count);
Assert.Equal(NavigatorRequestState.Processing, eventList[0].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.ReportSectionStateChanged, eventList[0].args.CurrentState.LastRequest.RequestType);
Assert.Equal(NavigatorRequestState.FailedToProcess, eventList[1].args.CurrentState.LastRequestState);
Assert.Equal(SectionsNavigatorRequestType.ReportSectionStateChanged, eventList[1].args.CurrentState.LastRequest.RequestType);
}
public async Task It_produces_failed_notifications_for_SetActiveSection()
{
var sut = new BlindSectionsNavigator("defaultSection1", "defaultSection2");
var eventList = new List <(object sender, SectionsNavigatorEventArgs args)>();
sut.StateChanged += OnStateChanged;
void OnStateChanged(object sender, SectionsNavigatorEventArgs args)
{
eventList.Add((sender, args));
}
Assert.Null(sut.State.ActiveSection);
await Assert.ThrowsAsync <KeyNotFoundException>(async() => await sut.SetActiveSection(CancellationToken.None, SectionsNavigatorRequest.GetSetActiveSectionRequest("Invalid section name")));
sut.StateChanged -= OnStateChanged;
Assert.Null(sut.State.ActiveSection);
Assert.Equal(2, eventList.Count);
Assert.Equal(NavigatorRequestState.Processing, eventList[0].args.CurrentState.LastRequestState);
Assert.Equal(NavigatorRequestState.FailedToProcess, eventList[1].args.CurrentState.LastRequestState);
}