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);
}
public void BeforeNavigating_NavigatingEventIsRaised()
{
// 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 isNavigatingRaised = false;
target.Navigating += delegate(object sender, RegionNavigationEventArgs e)
{
if (sender == target)
{
isNavigatingRaised = true;
}
};
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.IsTrue(isNavigationSuccessful);
Assert.IsTrue(isNavigatingRaised);
}
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 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 WhenNavigatingAndBothViewAndDataContextImplementINavigationAware_ThenNavigatedIsInvokesOnNavigation()
{
// Prepare
var region = new Region();
Mock<FrameworkElement> mockFrameworkElement = new Mock<FrameworkElement>();
Mock<INavigationAware> mockINavigationAwareView = mockFrameworkElement.As<INavigationAware>();
mockINavigationAwareView.Setup(ina => ina.IsNavigationTarget(It.IsAny<NavigationContext>())).Returns(true);
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
mockINavigationAwareView.Verify(v => v.OnNavigatedTo(It.Is<NavigationContext>(nc => nc.Uri == navigationUri)));
mockINavigationAwareDataContext.Verify(v => v.OnNavigatedTo(It.Is<NavigationContext>(nc => nc.Uri == navigationUri)));
}