public async Task PushingSetsCorrectNavigationSource()
{
var shell = new TestShell(CreateShellItem(shellItemRoute: "item1"));
shell.RegisterPage(nameof(PushingSetsCorrectNavigationSource));
await shell.GoToAsync(nameof(PushingSetsCorrectNavigationSource));
shell.TestNavigatingArgs(ShellNavigationSource.Push,
"//item1", $"{nameof(PushingSetsCorrectNavigationSource)}");
shell.TestNavigatedArgs(ShellNavigationSource.Push,
"//item1", $"//item1/{nameof(PushingSetsCorrectNavigationSource)}");
}
public async Task ChangingShellContentSetsCorrectNavigationSource()
{
var shell = new TestShell(
CreateShellItem(shellContentRoute: "item1")
);
shell.Items[0].Items[0].Items.Add(CreateShellContent(shellContentRoute: "item2"));
await shell.GoToAsync("//item2");
shell.TestNavigationArgs(ShellNavigationSource.ShellContentChanged,
"//item1", "//item2");
}
public async Task HierarchicalNavigationMultipleRoutesVariation1()
{
Routing.RegisterRoute("page1/page2", typeof(ShellTestPage));
Routing.RegisterRoute("page1/page2/page3", typeof(TestPage1));
var shell = new TestShell(
CreateShellItem(shellSectionRoute: "page1")
);
await shell.GoToAsync($"page1/page2/page3");
Assert.IsTrue(shell.CurrentPage is TestPage1);
Assert.IsTrue(shell.Navigation.NavigationStack[1] is ShellTestPage);
}
public async Task EnsureOnAppearingFiresForLastPageOnly()
{
Shell shell = new TestShell();
LifeCyclePage shellContentPage = new LifeCyclePage();
shell.Items.Add(CreateShellItem(page: shellContentPage));
await shell.GoToAsync("LifeCyclePage/LifeCyclePage");
var page = (LifeCyclePage)shell.GetVisiblePage();
var nonVisiblePage = (LifeCyclePage)shell.Navigation.NavigationStack[1];
Assert.IsFalse(nonVisiblePage.Appearing);
Assert.IsTrue(page.Appearing);
}
public async Task IsAppearingFiredOnLastModalPageOnly()
{
Shell shell = new TestShell();
shell.Items.Add(CreateShellItem(shellItemRoute: "NewRoute", shellSectionRoute: "Section", shellContentRoute: "Content"));
await shell.GoToAsync("ModalTestPage/ModalTestPage2");
var page1 = (ShellLifeCycleTests.LifeCyclePage)shell.Navigation.ModalStack[0];
var page2 = (ShellLifeCycleTests.LifeCyclePage)shell.Navigation.ModalStack[1];
Assert.IsFalse(page1.Appearing);
Assert.IsTrue(page2.Appearing);
}
public async Task PoppingSamePageSetsCorrectNavigationSource()
{
Routing.RegisterRoute("detailspage", typeof(ContentPage));
var shell = new TestShell(CreateShellItem(shellItemRoute: "item1"));
await shell.GoToAsync("detailspage/detailspage");
await shell.Navigation.PopAsync();
shell.TestNavigatingArgs(ShellNavigationSource.Pop,
"//item1/detailspage/detailspage", $"..");
shell.TestNavigatedArgs(ShellNavigationSource.Pop,
"//item1/detailspage/detailspage", $"//item1/detailspage");
}
public async Task SwappingOutVisiblePageDoesntRevealPreviousPage()
{
TestShell testShell = new TestShell(
CreateShellSection <NavigationMonitoringTab>(shellContentRoute: "rootpage")
);
testShell.RegisterPage("firstPage");
testShell.RegisterPage("pageToSwapIn");
var tab = (NavigationMonitoringTab)testShell.CurrentItem.CurrentItem;
await testShell.GoToAsync("firstPage");
tab.NavigationsFired.Clear();
await testShell.GoToAsync($"../pageToSwapIn");
Assert.That(testShell.CurrentState.Location.ToString(),
Is.EqualTo($"//rootpage/pageToSwapIn"));
Assert.AreEqual("OnPushAsync", tab.NavigationsFired[0]);
Assert.AreEqual("OnRemovePage", tab.NavigationsFired[1]);
Assert.AreEqual(2, tab.NavigationsFired.Count);
}
public async Task RemovePageFromNavigationSetsCorrectNavigationSource()
{
Routing.RegisterRoute("pagemiddle", typeof(ContentPage));
Routing.RegisterRoute("page", typeof(ContentPage));
var shell = new TestShell(
CreateShellItem(shellItemRoute: "item")
);
await shell.GoToAsync("//item/pagemiddle/page");
shell.Navigation.RemovePage(shell.Navigation.NavigationStack[1]);
shell.TestNavigationArgs(ShellNavigationSource.Remove,
"//item/pagemiddle/page", "//item/page");
}
public async Task PopToRootRemovesMiddlePagesBeforePoppingVisibleModalPages()
{
Routing.RegisterRoute("ModalTestPage", typeof(ShellModalTests.ModalTestPage));
TestShell testShell = new TestShell(
CreateShellSection <NavigationMonitoringTab>(shellContentRoute: "rootpage")
);
var middlePage = new ContentPage();
var tab = (NavigationMonitoringTab)testShell.CurrentItem.CurrentItem;
await testShell.Navigation.PushAsync(middlePage);
await testShell.GoToAsync("ModalTestPage");
tab.NavigationsFired.Clear();
await testShell.GoToAsync("../..");
Assert.That(testShell.CurrentState.Location.ToString(),
Is.EqualTo($"//rootpage"));
Assert.AreEqual("OnRemovePage", tab.NavigationsFired[0]);
Assert.AreEqual("OnPopModal", tab.NavigationsFired[1]);
Assert.AreEqual(2, tab.NavigationsFired.Count);
}
public async Task PoppingModalStackFiresAppearingOnRevealedModalPage()
{
Shell shell = new TestShell();
shell.Items.Add(CreateShellItem(shellContentRoute: "MainContent"));
await shell.GoToAsync($"ModalTestPage2/ModalTestPage");
bool appearing = false;
shell.Items[0].Items[0].Navigation.ModalStack[0].Appearing += (_, __) => appearing = true;
await shell.Navigation.PopModalAsync();
Assert.IsTrue(true);
}
public async Task PagesPushToModalStack()
{
Routing.RegisterRoute("ContentPage", typeof(ContentPage));
Shell shell = new TestShell();
shell.Items.Add(CreateShellItem(shellItemRoute: "NewRoute", shellSectionRoute: "Section", shellContentRoute: "Content"));
await shell.GoToAsync("ModalNavigationTestPage/ContentPage");
var navStack = shell.Items[0].Items[0].Navigation;
Assert.AreEqual(typeof(ModalTestPage), navStack.ModalStack[0].Navigation.NavigationStack[0].GetType());
Assert.AreEqual(typeof(ContentPage), navStack.ModalStack[0].Navigation.NavigationStack[1].GetType());
Assert.AreEqual("//NewRoute/Section/Content/ModalNavigationTestPage/ContentPage", shell.CurrentState.Location.ToString());
}
public async Task NavigateToDefaultShellContent()
{
TestShell testShell = new TestShell(CreateShellItem<FlyoutItem>());
var page = new ContentPage();
var contentRoute = testShell.CurrentItem.CurrentItem.CurrentItem.Route;
var pageRoute = Routing.GetRoute(page);
await testShell.Navigation.PushAsync(new ContentPage());
await testShell.Navigation.PushAsync(page);
await testShell.GoToAsync($"//{contentRoute}/{pageRoute}");
Assert.That(testShell.CurrentState.Location.ToString(),
Is.EqualTo($"//{contentRoute}/{pageRoute}"));
}
public async Task NavigatedFiresAfterContentIsCreatedWhenUsingTemplate()
{
Shell shell = new TestShell();
FlyoutItem flyoutItem = new FlyoutItem();
Tab tab = new Tab();
ContentPage page = null;
ShellContent content = new ShellContent()
{
Route = "destination",
ContentTemplate = new DataTemplate(() =>
{
page = new ContentPage();
return(page);
})
};
flyoutItem.Items.Add(tab);
tab.Items.Add(content);
shell.Items.Add(CreateShellItem());
shell.Items.Add(flyoutItem);
Assert.AreNotEqual(shell.CurrentItem.CurrentItem.CurrentItem, content);
Assert.IsNull(page);
bool navigated = false;
shell.Navigated += (_, __) =>
{
Assert.IsNotNull(page);
Assert.IsNotNull((content as IShellContentController).Page);
navigated = true;
};
await shell.GoToAsync("///destination");
// content hasn't been created yet
Assert.IsFalse(navigated);
var createPage = (content as IShellContentController).GetOrCreateContent();
Assert.AreEqual(createPage, page);
Assert.IsTrue(navigated);
}
public async Task GetCurrentPageInModalNavigation()
{
Shell shell = new TestShell();
shell.Items.Add(CreateShellItem(shellItemRoute: "NewRoute", shellSectionRoute: "Section", shellContentRoute: "Content"));
Page page = null;
shell.Navigated += (_, __) =>
{
page = shell.CurrentPage;
};
await shell.GoToAsync("ModalTestPage");
Assert.IsNotNull(page);
Assert.AreEqual(page.GetType(), typeof(ModalTestPage));
}
public async Task OnNavigatedFiresWhenPopToRoot()
{
Routing.RegisterRoute("AlarmPage", typeof(LifeCyclePage));
Routing.RegisterRoute("SoundsPage", typeof(LifeCyclePage));
TestShell shell = new TestShell();
var item = CreateShellItem(shellContentRoute: ContentRoute, shellSectionRoute: SectionRoute, shellItemRoute: ItemRoute);
shell.Items.Add(item);
await shell.GoToAsync("AlarmPage/SoundsPage");
shell.Reset();
await shell.Navigation.PopToRootAsync();
shell.TestCount(1);
}
public async Task InsertPageFromNavigationSetsCorrectNavigationSource()
{
Routing.RegisterRoute("pagemiddle", typeof(ContentPage));
Routing.RegisterRoute("page", typeof(ContentPage));
var shell = new TestShell(
CreateShellItem(shellItemRoute: "item")
);
await shell.GoToAsync("//item/page");
ContentPage contentPage = new ContentPage();
Routing.SetRoute(contentPage, "pagemiddle");
shell.Navigation.InsertPageBefore(contentPage, shell.Navigation.NavigationStack.Last());
shell.TestNavigationArgs(ShellNavigationSource.Insert,
"//item/page", "//item/pagemiddle/page");
}
public async Task NavigationTaskCompletesAfterDeferralHasFinished(string testCase)
{
Routing.RegisterRoute(nameof(NavigationTaskCompletesAfterDeferralHasFinished), typeof(ContentPage));
var shell = new TestShell()
{
Items = { CreateShellItem <FlyoutItem>() }
};
ShellNavigatingDeferral _token = null;
shell.Navigating += async(_, args) =>
{
_token = args.GetDeferral();
await Task.Delay(500);
_token.Complete();
};
switch (testCase)
{
case "PopToRoot":
await shell.Navigation.PopToRootAsync();
break;
case "Pop":
await shell.Navigation.PopAsync();
break;
case "GoToAsync":
await shell.GoToAsync(nameof(NavigationTaskCompletesAfterDeferralHasFinished));
break;
case "Push":
await shell.Navigation.PushAsync(new ContentPage());
break;
}
Assert.IsTrue(_token.IsCompleted);
}
public async Task CanCancelGoToModalAsync()
{
TestShell shell = new TestShell();
shell.Items.Add(CreateShellItem());
shell.Navigating += async(_, args) =>
{
var deferral = args.GetDeferral();
await Task.Delay(10);
args.Cancel();
deferral.Complete();
};
await shell.GoToAsync("ModalTestPage");
Assert.AreEqual(0, shell.Navigation.ModalStack.Count);
}
public async Task GetCurrentPageInShellNavigation()
{
Shell shell = new TestShell();
var item1 = CreateShellItem(asImplicit: true, shellContentRoute: "rootlevelcontent1");
shell.Items.Add(item1);
Routing.RegisterRoute("cat", typeof(ContentPage));
Page page = null;
shell.Navigated += (_, __) =>
{
page = shell.CurrentPage;
};
await shell.GoToAsync("cat");
Assert.IsNotNull(page);
Assert.AreEqual(page.GetType(), typeof(ContentPage));
Assert.AreEqual(shell.Navigation.NavigationStack[1], page);
}
public async Task MultiplePopsRemoveMiddlePagesBeforeFinalPop()
{
TestShell testShell = new TestShell(
CreateShellSection <NavigationMonitoringTab>(shellContentRoute: "rootpage")
);
var pageLeftOnStack = new ContentPage();
var tab = (NavigationMonitoringTab)testShell.CurrentItem.CurrentItem;
await testShell.Navigation.PushAsync(pageLeftOnStack);
await testShell.Navigation.PushAsync(new ContentPage());
await testShell.Navigation.PushAsync(new ContentPage());
tab.NavigationsFired.Clear();
await testShell.GoToAsync("../..");
Assert.That(testShell.CurrentState.Location.ToString(),
Is.EqualTo($"//rootpage/{Routing.GetRoute(pageLeftOnStack)}"));
Assert.AreEqual("OnRemovePage", tab.NavigationsFired[0]);
Assert.AreEqual("OnPopAsync", tab.NavigationsFired[1]);
Assert.AreEqual(2, tab.NavigationsFired.Count);
}
public async Task NavigationBetweenFlyoutItemWithPushedPageRetainsQueryString()
{
var testPage1 = new ShellTestPage();
var testPage2 = new ShellTestPage();
var flyoutItem1 = CreateShellItem <FlyoutItem>(testPage1, shellItemRoute: "flyoutItem1");
var flyoutItem2 = CreateShellItem <FlyoutItem>(testPage2, shellItemRoute: "flyoutItem2");
Routing.RegisterRoute("details", typeof(ShellTestPage));
var shell = new TestShell(flyoutItem1, flyoutItem2);
IShellController shellController = shell;
await shell.GoToAsync(new ShellNavigationState($"//flyoutItem2/details?{nameof(ShellTestPage.SomeQueryParameter)}=1234"));
await shellController.OnFlyoutItemSelectedAsync(flyoutItem1);
await shellController.OnFlyoutItemSelectedAsync(flyoutItem2);
var testPage = (shell.CurrentItem.CurrentItem as IShellSectionController).PresentedPage as ShellTestPage;
Assert.AreEqual("1234", testPage.SomeQueryParameter);
}