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654 lines (542 loc) · 20.2 KB
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using CommunityToolkit.Maui.Core;
using CommunityToolkit.Maui.Extensions;
using CommunityToolkit.Maui.Views;
using FluentAssertions;
using Microsoft.Maui.Controls.PlatformConfiguration;
using Microsoft.Maui.Controls.PlatformConfiguration.iOSSpecific;
using Microsoft.Maui.Controls.Shapes;
using Nito.AsyncEx;
using Xunit;
using Application = Microsoft.Maui.Controls.Application;
using NavigationPage = Microsoft.Maui.Controls.NavigationPage;
using Page = Microsoft.Maui.Controls.Page;
namespace CommunityToolkit.Maui.UnitTests.Views;
public class PopupPageTests : BaseViewTest
{
[Fact]
public void Constructor_ShouldThrowArgumentNullException_WhenPopupIsNull()
{
// Arrange
var popupOptions = new MockPopupOptions();
var taskCompletionSource = new TaskCompletionSource<PopupResult>();
// Act
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
Action act = () => new PopupPage(null, popupOptions);
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
// Assert
act.Should().Throw<ArgumentNullException>();
}
[Fact]
public async Task Close_ShouldThrowInvalidOperationException_NoPopupPageFound()
{
// Arrange
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage<string>(view, popupOptions);
// Act / Assert
await Assert.ThrowsAsync<PopupNotFoundException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidOperationException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
}
[Fact]
public async Task Close_ShouldSetResultAndPopModalAsync()
{
// Arrange
var tcs = new TaskCompletionSource<IPopupResult>();
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage(view, popupOptions);
var expectedResult = new PopupResult(false);
popupPage.PopupClosed += HandlePopupClosed;
// Act
if (Application.Current?.Windows[0].Page?.Navigation is not INavigation navigation)
{
throw new InvalidOperationException("Unable to locate Navigation page");
}
await navigation.PushModalAsync(popupPage);
await popupPage.CloseAsync(expectedResult, CancellationToken.None);
var actualResult = await tcs.Task;
// Assert
actualResult.Should().Be(expectedResult);
void HandlePopupClosed(object? sender, IPopupResult e)
{
tcs.SetResult(e);
}
}
[Fact(Timeout = (int)TestDuration.Short)]
public async Task Close_ShouldThrowOperationCanceledException_WhenTokenIsCancelled_NavigationModalStackShouldStillContainPopupPage()
{
// Arrange
PopupPage popupPage;
var view = new ContentView();
var result = new PopupResult(false);
var cts = new CancellationTokenSource();
if (Application.Current?.Windows[0].Page is not Page mainPage)
{
throw new InvalidOperationException("Failed to locate main page");
}
// Act
mainPage.Navigation.ShowPopup(view);
popupPage = mainPage.Navigation.ModalStack.OfType<PopupPage>().Single();
await cts.CancelAsync();
// Assert
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => popupPage.CloseAsync(result, cts.Token));
Assert.Single(mainPage.Navigation.ModalStack.OfType<PopupPage>());
}
[Fact]
public void PopupPageT_Constructor_ShouldThrowArgumentNullException_WhenPopupIsNull()
{
// Arrange
var popupOptions = new MockPopupOptions();
// Act
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
Action act = () => new PopupPage<string>(null, popupOptions);
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
// Assert
act.Should().Throw<ArgumentNullException>();
}
[Fact]
public async Task PopupPageT_Close_ShouldSetResultAndPopModalAsync()
{
// Arrange
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var taskCompletionSource = new TaskCompletionSource<PopupResult<string>>();
var popupPage = new PopupPage<string>(view, popupOptions);
var expectedResult = new PopupResult<string>("Test", false);
popupPage.PopupClosed += HandlePopupClosed;
// Act
if (Application.Current?.Windows[0].Page?.Navigation is not INavigation navigation)
{
throw new InvalidOperationException("Unable to locate Navigation page");
}
await navigation.PushModalAsync(popupPage);
await popupPage.CloseAsync(expectedResult, CancellationToken.None);
var actualResult = await taskCompletionSource.Task;
// Assert
actualResult.Should().Be(expectedResult);
void HandlePopupClosed(object? sender, IPopupResult e)
{
taskCompletionSource.SetResult((PopupResult<string>)e);
}
}
[Fact]
public async Task PopupPageT_CloseAfterAdditionalModalPage_ShouldThrowInvalidOperationException()
{
// Arrange
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage<string>(view, popupOptions);
// Act
if (Application.Current?.Windows[0].Page?.Navigation is not INavigation navigation)
{
throw new InvalidOperationException("Unable to locate Navigation page");
}
await navigation.PushModalAsync(popupPage);
await navigation.PushModalAsync(new ContentPage());
// Assert
await Assert.ThrowsAsync<PopupBlockedException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidPopupOperationException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidOperationException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
}
[Fact]
public async Task PopupPageT_CloseWhenUsingCustomNavigationPage_ShouldClose()
{
// Arrange
if (Application.Current?.Windows[0].Page?.Navigation is not INavigation navigation)
{
throw new InvalidOperationException("Unable to locate Navigation page");
}
bool wasPopupPageClosed = false;
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage<string>(view, popupOptions);
popupPage.PopupClosed += HandlePopupPageClosed;
var onAppearingPage = new ContentPage();
var customNavigationPage = new NavigationPage(onAppearingPage);
onAppearingPage.NavigatedTo += HandlePageNavigatedTo;
// Act
await Shell.Current.Navigation.PushModalAsync(customNavigationPage, true);
await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None);
// Assert
Assert.True(wasPopupPageClosed);
async void HandlePageNavigatedTo(object? sender, NavigatedToEventArgs e)
{
if (!e.WasPreviousPageACommunityToolkitPopupPage())
{
await customNavigationPage.Navigation.PushModalAsync(popupPage);
}
}
void HandlePopupPageClosed(object? sender, IPopupResult e)
{
wasPopupPageClosed = true;
}
}
[Fact]
public async Task PopupPageT_CloseAfterAdditionalModalPageToCustomNavigationPage_ShouldThrowPopupBlockedException()
{
// Arrange
bool wasPopupPageClosed = false;
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var firstPopupPage = new PopupPage<string>(view, popupOptions);
firstPopupPage.PopupClosed += HandlePopupPageClosed;
var onAppearingPage = new ContentPage();
var customNavigationPage = new NavigationPage(onAppearingPage);
onAppearingPage.NavigatedTo += HandlePageNavigatedTo;
var secondPopupPage = new PopupPage<string>(new Button(), popupOptions);
// Act
await Shell.Current.Navigation.PushModalAsync(customNavigationPage, true);
await customNavigationPage.Navigation.PushModalAsync(secondPopupPage);
// Assert
await Assert.ThrowsAsync<PopupBlockedException>(async () => await firstPopupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidPopupOperationException>(async () => await firstPopupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidOperationException>(async () => await firstPopupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
Assert.False(wasPopupPageClosed);
async void HandlePageNavigatedTo(object? sender, NavigatedToEventArgs e)
{
if (!e.WasPreviousPageACommunityToolkitPopupPage())
{
await customNavigationPage.Navigation.PushModalAsync(firstPopupPage);
}
}
void HandlePopupPageClosed(object? sender, IPopupResult e)
{
wasPopupPageClosed = true;
}
}
[Fact]
public async Task PopupPageT_CloseAfterAdditionalModalPageToCustomNavigationPage_ShouldThrowPopupNotFound()
{
// Arrange
if (Application.Current?.Windows[0].Page?.Navigation is not INavigation navigation)
{
throw new InvalidOperationException("Unable to locate Navigation page");
}
bool wasPopupPageClosed = false;
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage<string>(view, popupOptions);
popupPage.PopupClosed += HandlePopupPageClosed;
var onAppearingPage = new ContentPage();
var customNavigationPage = new NavigationPage(onAppearingPage);
onAppearingPage.NavigatedTo += HandlePageNavigatedTo;
// Act
await Shell.Current.Navigation.PushModalAsync(customNavigationPage, true);
await customNavigationPage.Navigation.PushModalAsync(new ContentPage());
// Assert
await Assert.ThrowsAsync<PopupNotFoundException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidPopupOperationException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
await Assert.ThrowsAnyAsync<InvalidOperationException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
Assert.False(wasPopupPageClosed);
async void HandlePageNavigatedTo(object? sender, NavigatedToEventArgs e)
{
if (!e.WasPreviousPageACommunityToolkitPopupPage())
{
await customNavigationPage.Navigation.PushModalAsync(popupPage);
}
}
void HandlePopupPageClosed(object? sender, IPopupResult e)
{
wasPopupPageClosed = true;
}
}
[Fact]
public void PopupPageT_Close_ShouldThrowOperationCanceledException_WhenTokenIsCancelled()
{
// Arrange
var view = new ContentView();
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage<string>(view, popupOptions);
var result = new PopupResult<string>("Test", false);
var cts = new CancellationTokenSource();
cts.Cancel();
// Act
Func<Task> act = async () => await popupPage.CloseAsync(result, cts.Token);
// Assert
act.Should().ThrowAsync<OperationCanceledException>();
}
[Fact]
public void TapGestureRecognizer_VerifyCanBeDismissedByTappingOutsideOfPopup_ShouldNotExecuteWhenEitherFalse()
{
// Arrange
var view = new Popup();
var popupOptions = new PopupOptions();
// Act
var popupPage = new PopupPage(view, popupOptions);
// Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.True(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected because we did not call ShowPopup()
{
}
// Act
view.CanBeDismissedByTappingOutsideOfPopup = false;
popupOptions.CanBeDismissedByTappingOutsideOfPopup = false;
// Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.False(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected because we did not call ShowPopup()
{
}
// Act
view.CanBeDismissedByTappingOutsideOfPopup = true;
popupOptions.CanBeDismissedByTappingOutsideOfPopup = false;
// Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.False(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected because we did not call ShowPopup()
{
}
// Act
view.CanBeDismissedByTappingOutsideOfPopup = false;
popupOptions.CanBeDismissedByTappingOutsideOfPopup = true;
// Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.False(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected because we did not call ShowPopup()
{
}
// Act
view.CanBeDismissedByTappingOutsideOfPopup = true;
popupOptions.CanBeDismissedByTappingOutsideOfPopup = true;
// Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.True(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected because we did not call ShowPopup()
{
}
}
[Fact]
public void Constructor_WithViewAndPopupOptions_SetsCorrectProperties()
{
// Arrange
var view = new Label
{
Text = "Test Popup Content",
Margin = new Thickness(10),
Padding = new Thickness(5),
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
};
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = true,
PageOverlayColor = Colors.Red,
Shape = new RoundRectangle { CornerRadius = new CornerRadius(10) },
};
// Act
var popupPage = new PopupPage(view, popupOptions);
// Assert
Assert.NotNull(popupPage.Content);
Assert.IsType<PopupPage.PopupPageLayout>(popupPage.Content);
// Verify iOS platform specific settings
Assert.Equal(PresentationMode.ModalNotAnimated, Shell.GetPresentationMode(popupPage));
Assert.Equal(UIModalPresentationStyle.OverFullScreen, popupPage.On<iOS>().ModalPresentationStyle());
// Verify content has tap gesture recognizer attached
var gestureRecognizers = popupPage.Content.GestureRecognizers;
Assert.Single(gestureRecognizers);
Assert.IsType<TapGestureRecognizer>(gestureRecognizers[0]);
// Verify PopupPageLayout structure
var pageContent = popupPage.Content;
Assert.Single(pageContent.Children);
Assert.IsType<Border>(pageContent.Children.Single(), exactMatch: false);
// Verify content binding context is set correctly
Assert.Equal(view.BindingContext, pageContent.BindingContext);
}
[Fact]
public void Constructor_WithNullView_ThrowsArgumentNullException()
{
// Arrange
var popupOptions = new MockPopupOptions();
// Act & Assert
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
Assert.Throws<ArgumentNullException>(() => new PopupPage((View?)null, popupOptions));
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
}
[Fact]
public void Constructor_WithNullPopup_ThrowsArgumentNullException()
{
// Arrange
var popupOptions = new MockPopupOptions();
// Act & Assert
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
Assert.Throws<ArgumentNullException>(() => new PopupPage((Popup?)null, popupOptions));
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
}
[Fact]
public async Task OnTappingOutsideOfPopup_ShouldClosePopupWhenCanBeDismissedIsTrue()
{
// Arrange
bool actionInvoked = false;
var actionInvokedTCS = new TaskCompletionSource<bool>();
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = true,
OnTappingOutsideOfPopup = () =>
{
actionInvoked = true;
actionInvokedTCS.SetResult(actionInvoked);
}
};
// Act & Assert
popupOptions.OnTappingOutsideOfPopup?.Invoke();
var result = await actionInvokedTCS.Task;
Assert.True(result);
Assert.True(actionInvoked);
}
[Fact]
public void TapGestureRecognizer_ShouldNotExecuteWhenCanBeDismissedIsFalse()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = false
};
var popupPage = new PopupPage(view, popupOptions);
// Act & Assert
Assert.False(popupPage.TryExecuteTapOutsideOfPopupCommand());
}
[Fact]
public void OnBackButtonPressed_ReturnsTrueWhenCanBeDismissedIsFalse()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = false
};
var popupPage = new TestablePopupPage(view, popupOptions);
// Act
var result = popupPage.TestOnBackButtonPressed();
// Assert
Assert.True(result);
}
[Fact]
public void PopupPage_ShouldInitializeCorrectly_WithValidParameters()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = true,
PageOverlayColor = Colors.Blue
};
// Act
var popupPage = new PopupPage(view, popupOptions);
// Assert
Assert.NotNull(popupPage.Content);
Assert.Equal(popupOptions.PageOverlayColor, popupPage.BackgroundColor);
}
[Fact(Timeout = (int)TestDuration.Short)]
public async Task PopupClosedEvent_ShouldTriggerOnce_WhenPopupIsClosed()
{
// Arrange
Assert.NotNull(Application.Current);
var navigation = Application.Current.Windows[0].Page?.Navigation ?? throw new InvalidOperationException("Unable to locate INavigation");
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions();
var eventTriggered = false;
// Act
navigation.ShowPopup(view, popupOptions);
var popupPage = (PopupPage)navigation.ModalStack[0];
popupPage.PopupClosed += (sender, args) => eventTriggered = true;
await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None);
// Assert
Assert.True(eventTriggered);
}
[Fact]
public void TappingOutside_ShouldNotClosePopup_WhenCanBeDismissedIsFalse()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = false
};
var popupPage = new PopupPage(view, popupOptions);
// Act // Assert
try
{
// Run using AsyncContext to catch Exception thrown by fire-and-forget ICommand.Execute
AsyncContext.Run(() => Assert.False(popupPage.TryExecuteTapOutsideOfPopupCommand()));
}
catch (PopupNotFoundException) // PopupNotFoundException is expected here because `ShowPopup` was never called
{
}
}
[Fact]
public void BackButton_ShouldNotClosePopup_WhenCanBeDismissedIsFalse()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions
{
CanBeDismissedByTappingOutsideOfPopup = false
};
var popupPage = new TestablePopupPage(view, popupOptions);
// Act
var result = popupPage.TestOnBackButtonPressed();
// Assert
Assert.True(result);
}
[Fact]
public async Task Close_ShouldThrowException_WhenCalledOnNonModalPopup()
{
// Arrange
var view = new Label { Text = "Test Popup Content" };
var popupOptions = new MockPopupOptions();
var popupPage = new PopupPage(view, popupOptions);
// Act & Assert
await Assert.ThrowsAsync<PopupNotFoundException>(async () => await popupPage.CloseAsync(new PopupResult(false), CancellationToken.None));
}
[Fact]
public void PopupPage_ShouldRespectLayoutOptions()
{
// Arrange
var view = new Label
{
Text = "Test Popup Content",
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.End
};
// Act
var popupPage = new PopupPage(view, PopupOptions.Empty);
var border = popupPage.Content.PopupBorder;
// Assert
Assert.Equal(LayoutOptions.Start, border.VerticalOptions);
Assert.Equal(LayoutOptions.End, border.HorizontalOptions);
}
// Helper class for testing protected methods
sealed class TestablePopupPage(View view, IPopupOptions popupOptions) : PopupPage(view, popupOptions)
{
public bool TestOnBackButtonPressed()
{
return OnBackButtonPressed();
}
}
sealed class MockPopupOptions : IPopupOptions
{
public bool CanBeDismissedByTappingOutsideOfPopup { get; set; }
public Color PageOverlayColor { get; set; } = Colors.Transparent;
public Action? OnTappingOutsideOfPopup { get; set; }
public Shape? Shape { get; set; }
public Shadow? Shadow { get; set; } = null;
}
}