Add test coverage for slider transformations

2024-12-13 08:23:20 +08:00 · 2022-12-07 23:50:01 +01:00 · 2022-12-07 23:50:01 +01:00 · 5807d4c43d
commit 5807d4c43d
parent 7676838cc0
1 changed files with 91 additions and 0 deletions
--- a/osu.Game.Rulesets.Osu.Tests/OsuHitObjectGenerationUtilsTest.cs
+++ b/osu.Game.Rulesets.Osu.Tests/OsuHitObjectGenerationUtilsTest.cs
@ -0,0 +1,91 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.UI;
+using osu.Game.Rulesets.Osu.Utils;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class OsuHitObjectGenerationUtilsTest
+    {
+        private static Slider createTestSlider()
+        {
+            var slider = new Slider
+            {
+                Position = new Vector2(128, 128),
+                Path = new SliderPath
+                {
+                    ControlPoints =
+                    {
+                        new PathControlPoint(new Vector2(), PathType.Linear),
+                        new PathControlPoint(new Vector2(-64, -128), PathType.Linear), // absolute position: (64, 0)
+                        new PathControlPoint(new Vector2(-128, 0), PathType.Linear) // absolute position: (0, 128)
+                    }
+                },
+                RepeatCount = 1
+            };
+            slider.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
+            return slider;
+        }
+
+        [Test]
+        public void TestReflectSliderHorizontallyAlongPlayfield()
+        {
+            var slider = createTestSlider();
+
+            OsuHitObjectGenerationUtils.ReflectHorizontallyAlongPlayfield(slider);
+
+            Assert.That(slider.Position, Is.EqualTo(new Vector2(OsuPlayfield.BASE_SIZE.X - 128, 128)));
+            Assert.That(slider.NestedHitObjects.OfType<SliderRepeat>().Single().Position, Is.EqualTo(new Vector2(OsuPlayfield.BASE_SIZE.X - 0, 128)));
+            Assert.That(slider.Path.ControlPoints.Select(point => point.Position), Is.EquivalentTo(new[]
+            {
+                new Vector2(),
+                new Vector2(64, -128),
+                new Vector2(128, 0)
+            }));
+        }
+
+        [Test]
+        public void TestReflectSliderVerticallyAlongPlayfield()
+        {
+            var slider = createTestSlider();
+
+            OsuHitObjectGenerationUtils.ReflectVerticallyAlongPlayfield(slider);
+
+            Assert.That(slider.Position, Is.EqualTo(new Vector2(128, OsuPlayfield.BASE_SIZE.Y - 128)));
+            Assert.That(slider.NestedHitObjects.OfType<SliderRepeat>().Single().Position, Is.EqualTo(new Vector2(0, OsuPlayfield.BASE_SIZE.Y - 128)));
+            Assert.That(slider.Path.ControlPoints.Select(point => point.Position), Is.EquivalentTo(new[]
+            {
+                new Vector2(),
+                new Vector2(-64, 128),
+                new Vector2(-128, 0)
+            }));
+        }
+
+        [Test]
+        public void TestFlipSliderInPlaceHorizontally()
+        {
+            var slider = createTestSlider();
+
+            OsuHitObjectGenerationUtils.FlipSliderInPlaceHorizontally(slider);
+
+            Assert.That(slider.Position, Is.EqualTo(new Vector2(128, 128)));
+            Assert.That(slider.NestedHitObjects.OfType<SliderRepeat>().Single().Position, Is.EqualTo(new Vector2(256, 128)));
+            Assert.That(slider.Path.ControlPoints.Select(point => point.Position), Is.EquivalentTo(new[]
+            {
+                new Vector2(),
+                new Vector2(64, -128),
+                new Vector2(128, 0)
+            }));
+        }
+    }
+}