From f757300b68b127069dfafead8edb1a449f23717b Mon Sep 17 00:00:00 2001
From: rlittlesii <6969701+RLittlesII@users.noreply.github.com>
Date: Fri, 24 May 2024 17:05:26 -0500
Subject: [PATCH] separate tests

clean up test naming
ensuring bug is attached to each test
---
 .../Fixtures/Common/MvvmHelperFixture.cs      | 98 ++++++++++++++-----
 1 file changed, 72 insertions(+), 26 deletions(-)

diff --git a/tests/Maui/Prism.Maui.Tests/Fixtures/Common/MvvmHelperFixture.cs b/tests/Maui/Prism.Maui.Tests/Fixtures/Common/MvvmHelperFixture.cs
index 90c3da0c4..63846b6c7 100644
--- a/tests/Maui/Prism.Maui.Tests/Fixtures/Common/MvvmHelperFixture.cs
+++ b/tests/Maui/Prism.Maui.Tests/Fixtures/Common/MvvmHelperFixture.cs
@@ -1,6 +1,4 @@
-using System.Collections;
 using Prism.Common;
-using Prism.Maui.Tests.Mocks.Views;
 
 namespace Prism.Maui.Tests.Fixtures.Common;
 
@@ -10,40 +8,88 @@ public class MvvmHelperFixture
     /// This test was introduced to verify GH3143
     /// </summary>
     /// <a href="https://github.com/PrismLibrary/Prism/issues/3143">Git Hub Issue 3143</a>
-    /// <param name="window">The window representing the root of the navigation.</param>
-    /// <param name="page">The actual page we expect to return.</param>
-    /// <param name="modal">The model page we are pushing on the stack that causes the problem.</param>
-    [Theory]
-    [ClassData(typeof(GetCurrentPageTestData))]
-    public async Task GetCurrentPageWithModalReturnsPrismWindowPage(Window window, Page page, Page modal)
+    [Fact]
+    public async Task GetCurrentPageFromFlyoutPageWithModalReturnsDetailPage()
     {
         // Given
-        await window.Navigation.PushModalAsync(modal);
+        FlyoutPage flyout = new FlyoutPage
+            { Flyout = new ContentPage { Title = "Title" }, Detail = new NavigationPage(), };
+        PrismWindow window = new PrismWindow { Page = flyout };
+        await window.Navigation.PushModalAsync(new DialogContainerPage());
 
         // When
         var result = MvvmHelpers.GetCurrentPage(window.Page);
 
         // Then
-        Assert.Equal(result, page);
+        Assert.Equal(result, flyout.Detail);
     }
 
-    private class GetCurrentPageTestData : IEnumerable<object[]>
+    /// <summary>
+    /// This test was introduced to verify GH3143
+    /// </summary>
+    /// <a href="https://github.com/PrismLibrary/Prism/issues/3143">Git Hub Issue 3143</a>
+    [Fact]
+    public async Task GetCurrentPageFromComplexFlyoutPageWithModalReturnsCorrectPage()
     {
-        public IEnumerator<object[]> GetEnumerator()
+        // Given
+        ContentPage current = new ContentPage { Title = "D" };
+        var navigationPage = new NavigationPage();
+        await navigationPage.PushAsync(new ContentPage { Title = "A" });
+        await navigationPage.PushAsync(new ContentPage { Title = "B" });
+        await navigationPage.PushAsync(new ContentPage { Title = "C" });
+        await navigationPage.PushAsync(current);
+
+        PrismWindow window = new PrismWindow
         {
-            ContentPage contentPage = new ContentPage { Title = "Title" };
-            NavigationPage navigationPage = new NavigationPage();
-            // TabbedPage tabbedPage = new TabbedPage { CurrentPage = contentPage };
-            FlyoutPage flyout = new FlyoutPage { Flyout = contentPage, Detail = new NavigationPage(), };
-            DialogContainerPage dialogContainerPage = new DialogContainerPage();
-            yield return new object[] { PrismWindow(contentPage), contentPage, dialogContainerPage };
-            yield return new object[] { PrismWindow(navigationPage), navigationPage, dialogContainerPage };
-            // yield return new object[] { PrismWindow(tabbedPage), tabbedPage, dialogContainerPage };
-            yield return new object[] { PrismWindow(flyout), flyout.Detail, dialogContainerPage };
-        }
-
-        private static PrismWindow PrismWindow(Page page) => new() { Page = page };
-
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+            Page = new FlyoutPage
+                { Flyout = new ContentPage { Title = "Title" }, Detail = navigationPage, }
+        };
+
+        await window.Navigation.PushModalAsync(new DialogContainerPage());
+
+        // When
+        var result = MvvmHelpers.GetCurrentPage(window.Page);
+
+        // Then
+        Assert.Equal(result, current);
+    }
+
+    /// <summary>
+    /// This test was introduced to verify GH3143
+    /// </summary>
+    /// <a href="https://github.com/PrismLibrary/Prism/issues/3143">Git Hub Issue 3143</a>
+    [Fact]
+    public async Task GetCurrentPageFromNavigationPageWithModalReturnsContentPage()
+    {
+        // Given
+        var contentPage = new ContentPage();
+        NavigationPage navigationPage = new NavigationPage(contentPage);
+        PrismWindow window = new PrismWindow { Page = navigationPage };
+        await window.Navigation.PushModalAsync(new DialogContainerPage());
+
+        // When
+        var result = MvvmHelpers.GetCurrentPage(window.Page);
+
+        // Then
+        Assert.Equal(result, contentPage);
+    }
+
+    /// <summary>
+    /// This test was introduced to verify GH3143
+    /// </summary>
+    /// <a href="https://github.com/PrismLibrary/Prism/issues/3143">Git Hub Issue 3143</a>
+    [Fact]
+    public async Task GetCurrentPageFromContentPageWithModalReturnsContentPage()
+    {
+        // Given
+        ContentPage contentPage = new ContentPage { Title = "Title" };
+        PrismWindow window = new PrismWindow { Page = contentPage };
+        await window.Navigation.PushModalAsync(new DialogContainerPage());
+
+        // When
+        var result = MvvmHelpers.GetCurrentPage(window.Page);
+
+        // Then
+        Assert.Equal(result, contentPage);
     }
 }