// *** Private Methods *** private TestableNavigationManager CreateNavigationManager(INavigationTarget navigationTarget = null, IViewFactory viewFactory = null, INavigationStack navigationStack = null, ILifetimeManager lifetimeManager = null, IStorageManager storageManager = null, bool navigationTargetIsNull = false) { if (navigationTarget == null && !navigationTargetIsNull) { navigationTarget = new MockNavigationTarget(); } if (viewFactory == null) { viewFactory = MockViewFactory.WithPageAndViewModel; } if (navigationStack == null) { navigationStack = new MockNavigationStack(); } if (lifetimeManager == null) { lifetimeManager = new MockLifetimeManager(); } if (storageManager == null) { storageManager = new MockStorageManager(); } TestableNavigationManager navigationManager = new TestableNavigationManager(navigationTarget, viewFactory, navigationStack, lifetimeManager, storageManager); return(navigationManager); }
public void Constructor_Exception_NullLifetimeManager() { INavigationTarget navigationTarget = new MockNavigationTarget(); IViewFactory viewFactory = MockViewFactory.WithPageAndViewModel; ILifetimeManager lifetimeManager = null; IStorageManager storageManager = new MockStorageManager(); var e = Assert.Throws <ArgumentNullException>(() => new NavigationManager(navigationTarget, viewFactory, lifetimeManager, storageManager)); Assert.Equal("Value cannot be null.\r\nParameter name: lifetimeManager", e.Message); Assert.Equal("lifetimeManager", e.ParamName); }
public void Constructor_Exception_NullLifetimeManager() { INavigationTarget navigationTarget = new MockNavigationTarget(); IViewFactory viewFactory = MockViewFactory.WithPageAndViewModel; ILifetimeManager lifetimeManager = null; IStorageManager storageManager = new MockStorageManager(); var e = Assert.Throws<ArgumentNullException>(() => new NavigationManager(navigationTarget, viewFactory, lifetimeManager, storageManager)); Assert.Equal("Value cannot be null.\r\nParameter name: lifetimeManager", e.Message); Assert.Equal("lifetimeManager", e.ParamName); }
public async Task RestoreNavigationStack_NavigatesToHomePageIfStateFileIsCorrupt() { MockNavigationStack navigationStack = new MockNavigationStack(); MockStorageManager storageManager = new MockStorageManager(); INavigationManager navigationManager = CreateNavigationManager(navigationStack: navigationStack, storageManager: storageManager); navigationManager.NavigationStorageType = NavigationStorageType.Local; InvalidNavigationState state = new InvalidNavigationState(); await storageManager.StoreAsync <InvalidNavigationState>(ApplicationData.Current.LocalFolder, "Okra_Navigation_NavigationManager.xml", state); bool success = await navigationManager.RestoreNavigationStack(); Assert.Equal(false, success); string[] pageNames = navigationStack.Select(page => page.PageName).ToArray(); Assert.Equal(new string[] { "Home" }, pageNames); }
public async Task RestoreNavigationStack_RestoresPreviousNavigationStackViaRoamingStorage() { IStorageManager storageManager = new MockStorageManager(); // --- First Instance --- { MockNavigationStack navigationStack = new MockNavigationStack(); MockLifetimeManager lifetimeManager = new MockLifetimeManager(); INavigationManager navigationManager = CreateNavigationManager(navigationStack: navigationStack, lifetimeManager: lifetimeManager, storageManager: storageManager); navigationManager.NavigationStorageType = NavigationStorageType.Roaming; // Navigate to some pages navigationStack.Add(new PageInfo("Page 1", null)); navigationStack.Add(new PageInfo("Page 2", null)); // Suspend the application lifetimeManager.Suspend(); } // --- Second Instance --- { MockNavigationStack navigationStack = new MockNavigationStack(); INavigationManager navigationManager = CreateNavigationManager(navigationStack: navigationStack, storageManager: storageManager); navigationManager.NavigationStorageType = NavigationStorageType.Roaming; // Restore the navigation stack bool success = await navigationManager.RestoreNavigationStack(); // Assert that the current page is restored from storage Assert.Equal(true, success); string[] pageNames = navigationStack.Select(page => page.PageName).ToArray(); Assert.Equal(new string[] { "Page 1", "Page 2" }, pageNames); } }
// *** Private Methods *** private TestableNavigationManager CreateNavigationManager(INavigationTarget navigationTarget = null, IViewFactory viewFactory = null, INavigationStack navigationStack = null, ILifetimeManager lifetimeManager = null, IStorageManager storageManager = null, bool navigationTargetIsNull = false) { if (navigationTarget == null && !navigationTargetIsNull) navigationTarget = new MockNavigationTarget(); if (viewFactory == null) viewFactory = MockViewFactory.WithPageAndViewModel; if (navigationStack == null) navigationStack = new MockNavigationStack(); if (lifetimeManager == null) lifetimeManager = new MockLifetimeManager(); if (storageManager == null) storageManager = new MockStorageManager(); TestableNavigationManager navigationManager = new TestableNavigationManager(navigationTarget, viewFactory, navigationStack, lifetimeManager, storageManager); return navigationManager; }
public async Task RestoreNavigationStack_NavigatesToHomePageIfStateFileIsCorrupt() { MockNavigationStack navigationStack = new MockNavigationStack(); MockStorageManager storageManager = new MockStorageManager(); INavigationManager navigationManager = CreateNavigationManager(navigationStack: navigationStack, storageManager: storageManager); navigationManager.NavigationStorageType = NavigationStorageType.Local; InvalidNavigationState state = new InvalidNavigationState(); await storageManager.StoreAsync<InvalidNavigationState>(ApplicationData.Current.LocalFolder, "Okra_Navigation_NavigationManager.xml", state); bool success = await navigationManager.RestoreNavigationStack(); Assert.Equal(false, success); string[] pageNames = navigationStack.Select(page => page.PageName).ToArray(); Assert.Equal(new string[] { "Home" }, pageNames); }