添加更多测试文件

Author: lindexi

src/MediaConverters/MediaConverters.Tests/Assets/TestFiles/SetBrightness4.png

@@ -6,9 +6,11 @@ namespace DotNetCampus.MediaConverters.Tests;
 
 internal static class TestFileProvider
 {
+    public const string DefaultTestImageName = "file_example_PNG_500kB.png";
+
     public static Image<Rgba32> GetDefaultTestImage()
     {
-        var imageFile = GetTestFile("file_example_PNG_500kB.png");
+        var imageFile = GetTestFile(DefaultTestImageName);
         using var fileStream = imageFile.OpenRead();
         return Image.Load<Rgba32>(new DecoderOptions(), fileStream);
     }

src/MediaConverters/MediaConverters.Tests/Assets/TestFiles/SetBrightness5.png

@@ -32,6 +32,22 @@ public void ReplaceColorTest1()
         TestHelper.OpenFileInExplorer(file);
     }
 
+    [TestMethod("替换不存在的颜色，不会影响原来的图片")]
+    public void ReplaceColorTest_NotExists()
+    {
+        Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
+
+        // 这是一个不存在图片里的颜色
+        var source = new Rgba32(0x36, 0x55, 0x23, 0xFF);
+
+        var targetColor = new Rgba32(0xFF, 0xFF, 0xFF, 0x00);
+        image.ReplaceColor(source, targetColor);
+
+        // 替换不存在的颜色，不会影响原来的图片
+        var file = image.SaveAndCompareTestFile(TestFileProvider.DefaultTestImageName);
+        TestHelper.OpenFileInExplorer(file);
+    }
+
     [TestMethod()]
     public void ReplaceColorTest2()
     {
@@ -92,7 +108,7 @@ public void SetContrast3()
         Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
         image.SetContrast(1);
         // 对比度不变，和原图一样
-        var file = image.SaveAndCompareTestFile("file_example_PNG_500kB.png");
+        var file = image.SaveAndCompareTestFile(TestFileProvider.DefaultTestImageName);
         TestHelper.OpenFileInExplorer(file);
     }
 
@@ -122,7 +138,25 @@ public void SetBrightness3()
     {
         Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
         image.SetBrightness(1);
-        var file = image.SaveAndCompareTestFile("file_example_PNG_500kB.png");
+        var file = image.SaveAndCompareTestFile(TestFileProvider.DefaultTestImageName);
+        TestHelper.OpenFileInExplorer(file);
+    }
+
+    [TestMethod()]
+    public void SetBrightness4()
+    {
+        Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
+        image.SetBrightness(0.5f);
+        var file = image.SaveAndCompareTestFile("SetBrightness4.png");
+        TestHelper.OpenFileInExplorer(file);
+    }
+
+    [TestMethod()]
+    public void SetBrightness5()
+    {
+        Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
+        image.SetBrightness(0.7f);
+        var file = image.SaveAndCompareTestFile("SetBrightness5.png");
         TestHelper.OpenFileInExplorer(file);
     }
 
@@ -135,6 +169,25 @@ public void SetSoftEdgeEffect1()
         TestHelper.OpenFileInExplorer(file);
     }
 
+    [TestMethod()]
+    public void SetSoftEdgeEffect2()
+    {
+        Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
+        image.SetSoftEdgeEffect(10.0f);
+        var file = image.SaveAndCompareTestFile("SetSoftEdgeEffect2.png");
+        TestHelper.OpenFileInExplorer(file);
+    }
+
+    [TestMethod()]
+    public void SetSoftEdgeEffect3()
+    {
+        Image<Rgba32> image = TestFileProvider.GetDefaultTestImage();
+        image.SetSoftEdgeEffect(0);
+        // 算法原因，设置为 0 时，还是有微弱差别
+        var file = image.SaveAndCompareTestFile();
+        TestHelper.OpenFileInExplorer(file);
+    }
+
     [TestMethod()]
     public void SetDuotoneEffect1()
     {

src/MediaConverters/MediaConverters.Tests/Assets/TestFiles/SetSoftEdgeEffect2.png

@@ -0,0 +1,68 @@
+using DotNetCampus.MediaConverters.Imaging.Effects.Colors;
+using DotNetCampus.MediaConverters.Imaging.Effects.Extensions;
+
+namespace DotNetCampus.MediaConverters.Tests.Imaging.Effects.Colors;
+
+[TestClass()]
+public class ColorMatricesTests
+{
+    [TestMethod()]
+    public void BrightnessFilterTest()
+    {
+        var color = new ColorMetadata(68 / 255f, 114 / 255f, 196 / 255f);
+        var filter = ColorMatrices.CreateBrightnessFilter(1.8f);
+
+        var expected = color.ApplyMatrix(filter).ARGB8bit;
+        var actual = (122, 205, 255, 255);
+
+        Assert.AreEqual(expected.R, actual.Item1);
+        Assert.AreEqual(expected.G, actual.Item2);
+        Assert.AreEqual(expected.B, actual.Item3);
+        Assert.AreEqual(expected.A, actual.Item4);
+    }
+
+    [TestMethod()]
+    public void ContrastFilterTest()
+    {
+        var color = new ColorMetadata(68 / 255f, 114 / 255f, 196 / 255f);
+        var filter = ColorMatrices.CreateContrastFilter(1.8f);
+
+        var expected = color.ApplyMatrix(filter).ARGB8bit;
+        var actual = (20, 103, 251, 255);
+
+        Assert.AreEqual(expected.Item1, actual.Item1);
+        Assert.AreEqual(expected.Item2, actual.Item2);
+        Assert.AreEqual(expected.Item3, actual.Item3);
+        Assert.AreEqual(expected.Item4, actual.Item4);
+    }
+
+    [TestMethod()]
+    public void GrayFilterTest()
+    {
+        var color = new ColorMetadata(68 / 255f, 114 / 255f, 196 / 255f);
+        var filter = ColorMatrices.CreateGrayScaleFilter(0.8f);
+
+        var expected = color.ApplyMatrix(filter).ARGB8bit;
+        var actual = (101, 113, 127, 255);
+
+        Assert.AreEqual(expected.Item1, actual.Item1);
+        Assert.AreEqual(expected.Item2, actual.Item2);
+        Assert.AreEqual(expected.Item3, actual.Item3);
+        Assert.AreEqual(expected.Item4, actual.Item4);
+    }
+
+    [TestMethod()]
+    public void SaturationFilterTest()
+    {
+        var color = new ColorMetadata(68 / 255f, 114 / 255f, 196 / 255f);
+        var filter = ColorMatrices.CreateSaturationFilter(1.8f);
+
+        var expected = color.ApplyMatrix(filter).ARGB8bit;
+        var actual = (34, 117, 255, 255);
+
+        Assert.AreEqual(expected.Item1, actual.Item1);
+        Assert.AreEqual(expected.Item2, actual.Item2);
+        Assert.AreEqual(expected.Item3, actual.Item3);
+        Assert.AreEqual(expected.Item4, actual.Item4);
+    }
+}