diff --git a/osu.Game.Tests/NonVisual/Skinning/LegacySkinTextureFallbackTest.cs b/osu.Game.Tests/NonVisual/Skinning/LegacySkinTextureFallbackTest.cs new file mode 100644 index 0000000000..867af9c1b8 --- /dev/null +++ b/osu.Game.Tests/NonVisual/Skinning/LegacySkinTextureFallbackTest.cs @@ -0,0 +1,109 @@ +// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. +// See the LICENCE file in the repository root for full licence text. + +using System.Collections.Generic; +using System.Linq; +using NUnit.Framework; +using osu.Framework.Graphics.Textures; +using osu.Game.Skinning; + +namespace osu.Game.Tests.NonVisual.Skinning +{ + [TestFixture] + public sealed class LegacySkinTextureFallbackTest + { + private static object[][] fallbackTestCases = + { + new object[] + { + // textures in store + new[] { "Gameplay/osu/followpoint@2x", "Gameplay/osu/followpoint" }, + // requested component + "Gameplay/osu/followpoint", + // returned texture name & scale + "Gameplay/osu/followpoint@2x", 2 + }, + new object[] + { + new[] { "Gameplay/osu/followpoint@2x" }, + "Gameplay/osu/followpoint", + "Gameplay/osu/followpoint@2x", 2 + }, + new object[] + { + new[] { "Gameplay/osu/followpoint" }, + "Gameplay/osu/followpoint", + "Gameplay/osu/followpoint", 1 + }, + new object[] + { + new[] { "Gameplay/osu/followpoint", "followpoint@2x" }, + "Gameplay/osu/followpoint", + "Gameplay/osu/followpoint", 1 + }, + new object[] + { + new[] { "followpoint@2x", "followpoint" }, + "Gameplay/osu/followpoint", + "followpoint@2x", 2 + }, + new object[] + { + new[] { "followpoint@2x" }, + "Gameplay/osu/followpoint", + "followpoint@2x", 2 + }, + new object[] + { + new[] { "followpoint" }, + "Gameplay/osu/followpoint", + "followpoint", 1 + }, + }; + + [TestCaseSource(nameof(fallbackTestCases))] + public void TestFallbackOrder(string[] filesInStore, string requestedComponent, string expectedTexture, float expectedScale) + { + var textureStore = new TestTextureStore(filesInStore); + var legacySkin = new TestLegacySkin(textureStore); + + var texture = legacySkin.GetTexture(requestedComponent); + + Assert.IsNotNull(texture); + Assert.AreEqual(textureStore.Textures[expectedTexture], texture); + Assert.AreEqual(expectedScale, texture.ScaleAdjust); + } + + [Test] + public void TestReturnNullOnFallbackFailure() + { + var textureStore = new TestTextureStore("sliderb", "hit100"); + var legacySkin = new TestLegacySkin(textureStore); + + var texture = legacySkin.GetTexture("Gameplay/osu/followpoint"); + + Assert.IsNull(texture); + } + + private class TestLegacySkin : LegacySkin + { + public TestLegacySkin(TextureStore textureStore) + : base(new SkinInfo(), null, null, string.Empty) + { + Textures = textureStore; + } + } + + private class TestTextureStore : TextureStore + { + public readonly Dictionary Textures; + + public TestTextureStore(params string[] fileNames) + { + Textures = fileNames.ToDictionary(fileName => fileName, fileName => new Texture(1, 1)); + } + + public override Texture Get(string name) => Textures.GetValueOrDefault(name); + } + } +}