test: add unit tests for controls and rendering helpers

Add comprehensive test coverage for 20+ Skia controls including ActivityIndicator, Border, CheckBox, CollectionView, DatePicker, Editor, Grid, Image, ImageButton, Label, NavigationPage, Page, Picker, ProgressBar, RadioButton, SearchBar, Stepper, Switch, and TimePicker. Include tests for TextRenderingHelper utility methods covering color conversion, font style mapping, and font family resolution.
2026-03-06 22:43:25 -05:00
parent 077abc2feb
commit c5221ba580
22 changed files with 2717 additions and 2 deletions
--- a/tests/Views/SkiaTimePickerTests.cs
+++ b/tests/Views/SkiaTimePickerTests.cs
@@ -0,0 +1,111 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using FluentAssertions;
+using Microsoft.Maui.Graphics;
+using Microsoft.Maui.Platform;
+using SkiaSharp;
+using Xunit;
+
+namespace Microsoft.Maui.Controls.Linux.Tests.Views;
+
+public class SkiaTimePickerTests
+{
+    [Fact]
+    public void Constructor_SetsDefaultValues()
+    {
+        // Arrange & Act
+        var picker = new SkiaTimePicker();
+
+        // Assert
+        picker.Format.Should().Be("t");
+        picker.TextColor.Should().Be(Colors.Black);
+        picker.IsOpen.Should().BeFalse();
+        picker.IsFocusable.Should().BeTrue();
+    }
+
+    [Fact]
+    public void Time_WhenSet_UpdatesProperty()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+        var newTime = new TimeSpan(14, 30, 0);
+
+        // Act
+        picker.Time = newTime;
+
+        // Assert
+        picker.Time.Should().Be(newTime);
+    }
+
+    [Fact]
+    public void Format_WhenSet_UpdatesProperty()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+
+        // Act
+        picker.Format = "HH:mm:ss";
+
+        // Assert
+        picker.Format.Should().Be("HH:mm:ss");
+    }
+
+    [Fact]
+    public void TextColor_WhenSet_UpdatesProperty()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+        var color = Microsoft.Maui.Graphics.Colors.Blue;
+
+        // Act
+        picker.TextColor = color;
+
+        // Assert
+        picker.TextColor.Should().Be(color);
+    }
+
+    [Fact]
+    public void TimeSelected_EventCanBeSubscribed()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+        var eventRaised = false;
+
+        // Act
+        picker.TimeSelected += (s, e) => eventRaised = true;
+        picker.Time = new TimeSpan(10, 0, 0);
+
+        // Assert
+        eventRaised.Should().BeTrue();
+    }
+
+    [Fact]
+    public void Draw_DoesNotThrow()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+        picker.Bounds = new Rect(0, 0, 200, 40);
+
+        using var surface = SKSurface.Create(new SKImageInfo(300, 100));
+        var canvas = surface.Canvas;
+
+        // Act & Assert
+        var exception = Record.Exception(() => picker.Draw(canvas));
+        exception.Should().BeNull();
+    }
+
+    [Fact]
+    public void Measure_ReturnsPositiveSize()
+    {
+        // Arrange
+        var picker = new SkiaTimePicker();
+
+        // Act
+        var size = picker.Measure(new Size(1000, 1000));
+
+        // Assert
+        size.Width.Should().BeGreaterThan(0);
+        size.Height.Should().BeGreaterThan(0);
+    }
+}