97 lines
3.0 KiB
C#
97 lines
3.0 KiB
C#
using System;
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using System.Threading;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using Notification.Core;
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using Notification.Wpf.Controls;
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using Xunit;
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using ytLive.Services;
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namespace ytLive.Tests;
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/// <summary>
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/// TASK 24 integration: the real NotificationService against a real window-hosted
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/// ToastArea. Transient notifications expire on their own; errors stick until the
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/// area goes away. ONE integration test per the Good Dog Rule.
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/// </summary>
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[Collection("RealApp")]
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public class NotificationAreaIntegrationTests
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{
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private readonly RealAppHost _app;
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public NotificationAreaIntegrationTests(RealAppHost app) => _app = app;
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[Fact]
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public void Info_Auto_Dismisses_And_Error_Sticks()
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{
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Window? window = null;
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NotificationArea? area = null;
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NotificationService? service = null;
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_app.Run(() =>
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{
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area = new NotificationArea { Name = NotificationService.AreaName, Position = NotificationPosition.BottomRight, MaxItems = 4 };
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var grid = new Grid();
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grid.Children.Add(area);
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window = new Window { Content = grid, Width = 400, Height = 300, WindowStartupLocation = WindowStartupLocation.Manual, Left = -32000, Top = 0, ShowInTaskbar = false, ShowActivated = false };
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window.Show();
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service = new NotificationService();
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});
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try
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{
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service!.Info("Hello", "transient");
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Assert.True(WaitFor(() => ItemCount(area!) == 1), "info toast never appeared");
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Assert.True(WaitFor(() => ItemCount(area!) == 0, TimeSpan.FromSeconds(8)),
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"info toast never auto-dismissed");
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service!.Error("Broken", "sticky");
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Assert.True(WaitFor(() => ItemCount(area!) == 1), "error toast never appeared");
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Thread.Sleep(1200);
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Assert.Equal(1, ItemCount(area!));
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}
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finally
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{
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_app.Run(() => window!.Close());
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}
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}
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private int ItemCount(NotificationArea area)
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{
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var count = 0;
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_app.Run(() => count = CountItems(area));
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return count;
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}
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private static int CountItems(NotificationArea area)
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{
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var count = 0;
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Walk(area, ref count);
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return count;
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static void Walk(DependencyObject node, ref int count)
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{
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if (node is Panel panel && panel.Name == "PART_Items")
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{
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count += panel.Children.Count;
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return;
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}
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for (var i = 0; i < VisualTreeHelper.GetChildrenCount(node); i++)
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Walk(VisualTreeHelper.GetChild(node, i), ref count);
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}
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}
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private static bool WaitFor(Func<bool> condition, TimeSpan? timeout = null)
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{
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var deadline = DateTime.UtcNow + (timeout ?? TimeSpan.FromSeconds(3));
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while (DateTime.UtcNow < deadline)
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{
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if (condition()) return true;
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Thread.Sleep(50);
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}
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return condition();
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}
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}
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