public void WhenNavigatingAndViewImplementsINavigationAware_ThenNavigatedIsInvokedOnNavigation()
{
// Prepare
var region = new Region();
var viewMock = new Mock <INavigationAware>();
viewMock.Setup(ina => ina.IsNavigationTarget(It.IsAny <NavigationContext>())).Returns(true);
var view = viewMock.Object;
region.Add(view);
var navigationUri = new Uri(view.GetType().Name, UriKind.Relative);
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(new RegionNavigationJournalEntry());
IContainerExtension container = containerMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(container);
IRegionNavigationJournal journal = new Mock <IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
// Act
target.RequestNavigate(navigationUri, nr => { });
// Verify
viewMock.Verify(v => v.OnNavigatedTo(It.Is <NavigationContext>(nc => nc.Uri == navigationUri && nc.NavigationService == target)));
}
public void WhenNavigatingAndDataContextImplementsINavigationAware_ThenNavigatedIsInvokesOnNavigation()
{
// Prepare
var region = new Region();
Mock <FrameworkElement> mockFrameworkElement = new Mock <FrameworkElement>();
Mock <INavigationAware> mockINavigationAwareDataContext = new Mock <INavigationAware>();
mockINavigationAwareDataContext.Setup(ina => ina.IsNavigationTarget(It.IsAny <NavigationContext>())).Returns(true);
mockFrameworkElement.Object.DataContext = mockINavigationAwareDataContext.Object;
var view = mockFrameworkElement.Object;
region.Add(view);
var navigationUri = new Uri(view.GetType().Name, UriKind.Relative);
var serviceLocatorMock = new Mock <IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance <IRegionNavigationJournalEntry>()).Returns(new RegionNavigationJournalEntry());
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
IRegionNavigationJournal journal = new Mock <IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
// Act
target.RequestNavigate(navigationUri, nr => { });
// Verify
mockINavigationAwareDataContext.Verify(v => v.OnNavigatedTo(It.Is <NavigationContext>(nc => nc.Uri == navigationUri)));
}
public void WhenRequestNavigateAwayOnBindingContextAcceptsThroughCallback_ThenNavigationProceeds()
{
// Prepare
var region = new Region();
var view1BindingContextMock = new Mock <IConfirmRegionNavigationRequest>();
view1BindingContextMock
.Setup(ina => ina.ConfirmNavigationRequest(It.IsAny <INavigationContext>(), It.IsAny <Action <bool> >()))
.Callback <INavigationContext, Action <bool> >((nc, c) => c(true))
.Verifiable();
var view1Mock = new Mock <View>();
var view1 = view1Mock.Object;
view1.BindingContext = view1BindingContextMock.Object;
var view2 = new StackLayout();
region.Add(view1);
region.Add(view2);
region.Activate(view1);
var navigationUri = new Uri(view2.GetType().Name, UriKind.Relative);
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(new RegionNavigationJournalEntry());
IContainerExtension container = containerMock.Object;
var contentLoader = new RegionNavigationContentLoader(container);
IRegionNavigationJournal journal = Mock.Of <IRegionNavigationJournal>();
var target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
// Act
var navigationSucceeded = false;
target.RequestNavigate(navigationUri, nr => { navigationSucceeded = nr.Result == true; });
// Verify
view1BindingContextMock.VerifyAll();
Assert.True(navigationSucceeded);
Assert.Equal(new object[] { view1, view2 }, region.ActiveViews.ToArray());
}
public void WhenRequestNavigateAwayOnDataContextAcceptsThroughCallback_ThenNavigationProceeds()
{
// Prepare
var region = new Region();
var view1DataContextMock = new Mock <IConfirmNavigationRequest>();
view1DataContextMock
.Setup(ina => ina.ConfirmNavigationRequest(It.IsAny <NavigationContext>(), It.IsAny <Action <bool> >()))
.Callback <NavigationContext, Action <bool> >((nc, c) => c(true))
.Verifiable();
var view1Mock = new Mock <FrameworkElement>();
var view1 = view1Mock.Object;
view1.DataContext = view1DataContextMock.Object;
var view2 = new object();
region.Add(view1);
region.Add(view2);
region.Activate(view1);
var navigationUri = new Uri(view2.GetType().Name, UriKind.Relative);
var serviceLocatorMock = new Mock <IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance <IRegionNavigationJournalEntry>()).Returns(new RegionNavigationJournalEntry());
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
IRegionNavigationJournal journal = new Mock <IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
// Act
var navigationSucceeded = false;
target.RequestNavigate(navigationUri, nr => { navigationSucceeded = nr.Result == true; });
// Verify
view1DataContextMock.VerifyAll();
Assert.IsTrue(navigationSucceeded);
CollectionAssert.AreEqual(new object[] { view1, view2 }, region.ActiveViews.ToArray());
}
public void WhenNavigationSucceeds_NavigatedIsRaised()
{
// Prepare
object view = new object();
Uri viewUri = new Uri(view.GetType().Name, UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
RegionManager regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
var serviceLocatorMock = new Mock <IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance <IRegionNavigationJournalEntry>()).Returns(new RegionNavigationJournalEntry());
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
IRegionNavigationJournal journal = new Mock <IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
bool isNavigatedRaised = false;
target.Navigated += delegate(object sender, RegionNavigationEventArgs e)
{
if (sender == target)
{
isNavigatedRaised = true;
}
};
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.IsTrue(isNavigationSuccessful);
Assert.IsTrue(isNavigatedRaised);
}
public void WhenNavigationSucceeds_NavigatedIsRaised()
{
// Prepare
var view = new ContentView();
var viewUri = new Uri(view.GetType().Name, UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
var regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(new RegionNavigationJournalEntry());
IContainerExtension container = containerMock.Object;
var contentLoader = new RegionNavigationContentLoader(container);
IRegionNavigationJournal journal = Mock.Of <IRegionNavigationJournal>();
var target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
bool isNavigatedRaised = false;
target.Navigated += delegate(object sender, RegionNavigationEventArgs e)
{
if (sender == target)
{
isNavigatedRaised = true;
}
};
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.True(isNavigationSuccessful);
Assert.True(isNavigatedRaised);
}
public void WhenNavigating_NavigationIsRecordedInJournal()
{
// Prepare
object view = new object();
Uri viewUri = new Uri(view.GetType().Name, UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
RegionManager regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
IRegionNavigationJournalEntry journalEntry = new RegionNavigationJournalEntry();
var serviceLocatorMock = new Mock <IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance <IRegionNavigationJournalEntry>())
.Returns(journalEntry);
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
var journalMock = new Mock <IRegionNavigationJournal>();
journalMock.Setup(x => x.RecordNavigation(journalEntry)).Verifiable();
IRegionNavigationJournal journal = journalMock.Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
// Act
target.RequestNavigate(viewUri, nr => { });
// Verify
Assert.IsNotNull(journalEntry);
Assert.AreEqual(viewUri, journalEntry.Uri);
journalMock.VerifyAll();
}
public void WhenNavigating_NavigationIsRecordedInJournal()
{
// Prepare
var view = new ContentView();
var viewUri = new Uri(view.GetType().Name, UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
var regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
IRegionNavigationJournalEntry journalEntry = new RegionNavigationJournalEntry();
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(journalEntry);
IContainerExtension container = containerMock.Object;
var contentLoader = new RegionNavigationContentLoader(container);
var journalMock = new Mock <IRegionNavigationJournal>();
journalMock.Setup(x => x.RecordNavigation(journalEntry, true)).Verifiable();
IRegionNavigationJournal journal = journalMock.Object;
var target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
// Act
target.RequestNavigate(viewUri, nr => { });
// Verify
Assert.NotNull(journalEntry);
Assert.Equal(viewUri, journalEntry.Uri);
journalMock.VerifyAll();
}
public void WhenNavigatingAndBothViewAndBindingContextImplementIRegionAware_ThenNavigatedIsInvokesOnNavigation()
{
// Prepare
var region = new Region();
var mockView = new Mock <View>();
var mockIRegionAwareView = mockView.As <IRegionAware>();
mockIRegionAwareView
.Setup(ina => ina.IsNavigationTarget(It.IsAny <INavigationContext>()))
.Returns(true);
var mockIRegionAwareBindingContext = new Mock <IRegionAware>();
mockIRegionAwareBindingContext.Setup(ina => ina.IsNavigationTarget(It.IsAny <INavigationContext>())).Returns(true);
mockView.Object.BindingContext = mockIRegionAwareBindingContext.Object;
var view = mockView.Object;
region.Add(view);
var navigationUri = new Uri(view.GetType().Name, UriKind.Relative);
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(new RegionNavigationJournalEntry());
IContainerExtension container = containerMock.Object;
var contentLoader = new RegionNavigationContentLoader(container);
IRegionNavigationJournal journal = Mock.Of <IRegionNavigationJournal>();
var target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
// Act
target.RequestNavigate(navigationUri, nr => { });
// Verify
mockIRegionAwareView.Verify(v => v.OnNavigatedTo(It.Is <INavigationContext>(nc => nc.Uri == navigationUri)));
mockIRegionAwareBindingContext.Verify(v => v.OnNavigatedTo(It.Is <INavigationContext>(nc => nc.Uri == navigationUri)));
}
public void WhenNavigatingWithQueryString_ViewIsActivated()
{
// Prepare
var view = new ContentView();
var viewUri = new Uri(view.GetType().Name + "?MyQuery=true", UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
var regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
var containerMock = new Mock <IContainerExtension>();
containerMock.Setup(x => x.Resolve(typeof(IRegionNavigationJournalEntry))).Returns(new RegionNavigationJournalEntry());
var container = containerMock.Object;
var contentLoader = new RegionNavigationContentLoader(container);
var journal = Mock.Of <IRegionNavigationJournal>();
var target = new RegionNavigationService(container, contentLoader, journal)
{
Region = region
};
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.True(isNavigationSuccessful);
bool isViewActive = region.ActiveViews.Contains(view);
Assert.True(isViewActive);
}
public void WhenNavigatingWithQueryString_ViewIsActivated()
{
// Prepare
object view = new object();
Uri viewUri = new Uri(view.GetType().Name + "?MyQuery=true", UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
RegionManager regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
var serviceLocatorMock = new Mock <IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance <IRegionNavigationJournalEntry>()).Returns(new RegionNavigationJournalEntry());
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
IRegionNavigationJournal journal = new Mock <IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.IsTrue(isNavigationSuccessful);
bool isViewActive = region.ActiveViews.Contains(view);
Assert.IsTrue(isViewActive);
}
