public void NavigationPage()
{
var eventRecoder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecoder);
var contentPageMock2 = new ContentPageMock(eventRecoder);
var viewModelMock = new ViewModelMock(eventRecoder);
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecoder)
{
BindingContext = viewModelMock
};
contentPageMock1.Navigation.PushAsync(contentPageMock2);
LifecycleNoticeService.OnUnloaded(navigationPageMock);
Assert.Equal(3, eventRecoder.Count);
Assert.NotNull(eventRecoder[0]);
Assert.Equal(contentPageMock2, eventRecoder[0].Sender);
Assert.Equal("OnUnloaded", eventRecoder[0].CallerMemberName);
Assert.Null(eventRecoder[0].Parameter);
Assert.NotNull(eventRecoder[1]);
Assert.Equal(viewModelMock, eventRecoder[1].Sender);
Assert.Equal("OnUnloaded", eventRecoder[1].CallerMemberName);
Assert.Null(eventRecoder[1].Parameter);
Assert.NotNull(eventRecoder[2]);
Assert.Equal(navigationPageMock, eventRecoder[2].Sender);
Assert.Equal("OnUnloaded", eventRecoder[2].CallerMemberName);
Assert.Null(eventRecoder[2].Parameter);
}
public async Task PushAsync_WithParameter()
{
var eventRecorder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecorder);
// ReSharper disable once UnusedVariable
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecorder);
var navigationMock = new Mock <INavigation>();
var navigator = new Navigator(contentPageMock1, navigationMock.Object);
var behaviorInjectorMock = new Mock <IBehaviorInjector>();
navigator.BehaviorInjector = behaviorInjectorMock.Object;
var contentPageMock2 = new ContentPageMock(eventRecorder);
var parameter = new object();
await navigator.PushAsync(contentPageMock2, parameter);
behaviorInjectorMock.Verify(x => x.Inject(contentPageMock2), Times.Once);
navigationMock.Verify(x => x.PushAsync(contentPageMock2, true), Times.Once);
Assert.Equal(3, eventRecorder.Count);
Assert.Equal(contentPageMock2, eventRecorder[0].Sender);
Assert.Equal("OnInitialize", eventRecorder[0].CallerMemberName);
Assert.Equal(parameter, eventRecorder[0].Parameter);
Assert.Equal(contentPageMock2, eventRecorder[1].Sender);
Assert.Equal("OnLoaded", eventRecorder[1].CallerMemberName);
Assert.Null(eventRecorder[1].Parameter);
Assert.Equal(contentPageMock1, eventRecorder[2].Sender);
Assert.Equal("OnUnloaded", eventRecorder[2].CallerMemberName);
Assert.Null(eventRecorder[2].Parameter);
}
public void OnCurrentPageChanged()
{
var eventRecoder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecoder)
{
Title = "contentPageMock1"
};
var contentPageMock2 = new ContentPageMock(eventRecoder)
{
Title = "contentPageMock2"
};
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecoder);
contentPageMock1.Navigation.PushAsync(contentPageMock2);
navigationPageMock.Behaviors.Add(new NavigationPageBehavior());
contentPageMock2.Navigation.PopAsync();
Assert.Equal(2, eventRecoder.Count);
Assert.NotNull(eventRecoder[0]);
Assert.Equal(contentPageMock1, eventRecoder[0].Sender);
Assert.Equal("OnLoaded", eventRecoder[0].CallerMemberName);
Assert.Null(eventRecoder[0].Parameter);
Assert.NotNull(eventRecoder[1]);
Assert.Equal(contentPageMock2, eventRecoder[1].Sender);
Assert.Equal("OnClosed", eventRecoder[1].CallerMemberName);
Assert.Null(eventRecoder[1].Parameter);
}
public async Task PopToRootAsync_WhenAnimatedIsFalse()
{
var eventRecorder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock1"
};
var contentPageMock2 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock2"
};
var contentPageMock3 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock3"
};
// ReSharper disable once UnusedVariable
var navigationPage = new NavigationPageMock(contentPageMock1, eventRecorder);
await contentPageMock1.Navigation.PushAsync(contentPageMock2);
await contentPageMock2.Navigation.PushAsync(contentPageMock3);
var navigationMock = new Mock <INavigation>();
navigationMock
.Setup(m => m.PopToRootAsync(false))
.Returns(() => Task.FromResult(false))
.Callback(() => contentPageMock3.Navigation.PopToRootAsync(false).Wait());
var navigator = new Navigator(contentPageMock3, navigationMock.Object);
await navigator.PopToRootAsync(false);
navigationMock.Verify(x => x.PopToRootAsync(false), Times.Once);
}
public void CanNotPop()
{
var eventRecoder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecoder)
{
Title = "contentPageMock1"
};
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecoder);
navigationPageMock.Behaviors.Add(new NavigationPageBehavior());
contentPageMock1.Navigation.PopAsync();
Assert.Equal(0, eventRecoder.Count);
}
public void NavigationPage()
{
var eventRecoder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecoder);
var contentPageMock2ViewModel = new ViewModelMock(eventRecoder);
var contentPageMock2 = new ContentPageMock(eventRecoder)
{
BindingContext = contentPageMock2ViewModel
};
var viewModelMock = new ViewModelMock(eventRecoder);
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecoder)
{
BindingContext = viewModelMock
};
contentPageMock1.Navigation.PushAsync(contentPageMock2);
var parameter = "Hello, Parameter!";
LifecycleNoticeService.OnInitialize(navigationPageMock, parameter);
Assert.Equal(5, eventRecoder.Count);
Assert.NotNull(eventRecoder[0]);
Assert.Equal(navigationPageMock, eventRecoder[0].Sender);
Assert.Equal("OnInitialize", eventRecoder[0].CallerMemberName);
Assert.Equal(parameter, eventRecoder[0].Parameter);
Assert.NotNull(eventRecoder[1]);
Assert.Equal(viewModelMock, eventRecoder[1].Sender);
Assert.Equal("OnInitialize", eventRecoder[1].CallerMemberName);
Assert.Equal(parameter, eventRecoder[1].Parameter);
Assert.NotNull(eventRecoder[2]);
Assert.Equal(contentPageMock1, eventRecoder[2].Sender);
Assert.Equal("OnInitialize", eventRecoder[2].CallerMemberName);
Assert.Equal(parameter, eventRecoder[2].Parameter);
Assert.NotNull(eventRecoder[3]);
Assert.Equal(contentPageMock2, eventRecoder[3].Sender);
Assert.Equal("OnInitialize", eventRecoder[3].CallerMemberName);
Assert.Equal(parameter, eventRecoder[3].Parameter);
Assert.NotNull(eventRecoder[4]);
Assert.Equal(contentPageMock2ViewModel, eventRecoder[4].Sender);
Assert.Equal("OnInitialize", eventRecoder[4].CallerMemberName);
Assert.Equal(parameter, eventRecoder[4].Parameter);
}
public async Task PopToRootAsync()
{
var eventRecorder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock1"
};
var contentPageMock2 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock2"
};
var contentPageMock3 = new ContentPageMock(eventRecorder)
{
Title = "contentPageMock3"
};
// ReSharper disable once UnusedVariable
var navigationPage = new NavigationPageMock(contentPageMock1, eventRecorder);
await contentPageMock1.Navigation.PushAsync(contentPageMock2);
await contentPageMock2.Navigation.PushAsync(contentPageMock3);
var navigationMock = new Mock <INavigation>();
navigationMock
.Setup(m => m.PopToRootAsync(true))
.Returns(() => Task.FromResult(true))
.Callback(() => contentPageMock3.Navigation.PopToRootAsync(true).Wait());
var navigator = new Navigator(contentPageMock3, navigationMock.Object);
await navigator.PopToRootAsync();
navigationMock.Verify(x => x.PopToRootAsync(true), Times.Once);
Assert.Equal(3, eventRecorder.Count);
Assert.Equal(contentPageMock1, eventRecorder[0].Sender);
Assert.Equal("OnLoaded", eventRecorder[0].CallerMemberName);
Assert.Null(eventRecorder[0].Parameter);
Assert.Equal(contentPageMock3, eventRecorder[1].Sender);
Assert.Equal("OnClosed", eventRecorder[1].CallerMemberName);
Assert.Null(eventRecorder[1].Parameter);
Assert.Equal(contentPageMock2, eventRecorder[2].Sender);
Assert.Equal("OnClosed", eventRecorder[2].CallerMemberName);
Assert.Null(eventRecorder[2].Parameter);
}
public void DestroyNavigationPage()
{
var recorder = new PageNavigationEventRecorder();
var navigationPage = new NavigationPageMock(recorder);
var navigationPageViewModel = navigationPage.BindingContext;
var contentPage1 = navigationPage.CurrentPage;
var contentPage1ViewModel = contentPage1.BindingContext;
var contentPage2 = new ContentPageMock(recorder);
var contentPage2ViewModel = contentPage2.BindingContext;
contentPage1.Navigation.PushAsync(contentPage2);
PageUtilities.DestroyPage(navigationPage);
Assert.Equal(6, recorder.Records.Count);
// contentPage2
Assert.Equal(contentPage2, recorder.Records[0].Sender);
Assert.Null(contentPage2.BindingContext);
Assert.Equal(0, contentPage2.Behaviors.Count);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[0].Event);
Assert.Equal(contentPage2ViewModel, recorder.Records[1].Sender);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[1].Event);
// contentPage1
Assert.Equal(contentPage1, recorder.Records[2].Sender);
Assert.Null(contentPage1.BindingContext);
Assert.Equal(0, contentPage1.Behaviors.Count);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[2].Event);
Assert.Equal(contentPage1ViewModel, recorder.Records[3].Sender);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[3].Event);
// navigationPage
Assert.Equal(navigationPage, recorder.Records[4].Sender);
Assert.Null(navigationPage.BindingContext);
Assert.Equal(0, navigationPage.Behaviors.Count);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[4].Event);
Assert.Equal(navigationPageViewModel, recorder.Records[5].Sender);
Assert.Equal(PageNavigationEvent.Destroy, recorder.Records[5].Event);
}
public async Task PushAsync_WhenAnimatedIsFalse()
{
var eventRecorder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecorder);
// ReSharper disable once UnusedVariable
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecorder);
var navigationMock = new Mock <INavigation>();
var navigator = new Navigator(contentPageMock1, navigationMock.Object);
var behaviorInjectorMock = new Mock <IBehaviorInjector>();
navigator.BehaviorInjector = behaviorInjectorMock.Object;
var contentPageMock2 = new ContentPageMock(eventRecorder);
await navigator.PushAsync(contentPageMock2, false);
behaviorInjectorMock.Verify(x => x.Inject(contentPageMock2), Times.Once);
navigationMock.Verify(x => x.PushAsync(contentPageMock2, false), Times.Once);
}
public void OnDetachingFrom()
{
var eventRecoder = new EventRecorder();
var contentPageMock1 = new ContentPageMock(eventRecoder)
{
Title = "contentPageMock1"
};
var contentPageMock2 = new ContentPageMock(eventRecoder)
{
Title = "contentPageMock2"
};
var navigationPageMock = new NavigationPageMock(contentPageMock1, eventRecoder);
contentPageMock1.Navigation.PushAsync(contentPageMock2);
navigationPageMock.Behaviors.Add(new NavigationPageBehavior());
navigationPageMock.Behaviors.Clear();
contentPageMock2.Navigation.PopAsync();
Assert.Equal(0, eventRecoder.Count);
}
public async void RecursiveInject()
{
var eventRecoder = new EventRecorder();
var carouselPageMock1 = new CarouselPageMock(eventRecoder);
var tabbedPageMock1 = new TabbedPageMock(eventRecoder);
tabbedPageMock1.Children.Add(new ContentPage());
tabbedPageMock1.Children.Add(carouselPageMock1);
var navigationPage = new NavigationPageMock(tabbedPageMock1, eventRecoder);
var carouselPageMock2 = new CarouselPageMock(eventRecoder);
var tabbedPageMock2 = new TabbedPageMock(eventRecoder);
tabbedPageMock2.Children.Add(new ContentPage());
tabbedPageMock2.Children.Add(carouselPageMock2);
await tabbedPageMock1.Navigation.PushAsync(tabbedPageMock2);
var actual = new BehaviorInjector();
actual.Inject(navigationPage);
Assert.Equal(1, navigationPage.Behaviors.Count);
Assert.IsType <NavigationPageBehavior>(navigationPage.Behaviors.Single());
Assert.Equal(1, tabbedPageMock1.Behaviors.Count);
Assert.IsType <MultiPageBehavior <Page> >(tabbedPageMock1.Behaviors.Single());
Assert.Equal(1, tabbedPageMock2.Behaviors.Count);
Assert.IsType <MultiPageBehavior <Page> >(tabbedPageMock2.Behaviors.Single());
Assert.Equal(1, carouselPageMock1.Behaviors.Count);
Assert.IsType <MultiPageBehavior <ContentPage> >(carouselPageMock1.Behaviors.Single());
Assert.Equal(1, carouselPageMock2.Behaviors.Count);
Assert.IsType <MultiPageBehavior <ContentPage> >(carouselPageMock2.Behaviors.Single());
}