test: adapt and create tests to cover new components

osu.Game.Tests/Skins/SkinDeserialisationTest.cs

@@ -41,6 +41,8 @@ namespace osu.Game.Tests.Skins
             "Archives/modified-default-20220818.osk",
             // Covers longest combo counter
             "Archives/modified-default-20221012.osk",
+            // Covers Argon variant of song progress bar
+            "Archives/modified-argon-20221024.osk",
             // Covers TextElement and BeatmapInfoDrawable
             "Archives/modified-default-20221102.osk"
         };

osu.Game.Tests/Visual/Gameplay/SkinnableHUDComponentTestScene.cs

@@ -20,6 +20,8 @@ namespace osu.Game.Tests.Visual.Gameplay
             {
                 var implementation = skin is LegacySkin
                     ? CreateLegacyImplementation()
+                    : skin is ArgonSkin
+                        ? CreateArgonImplementation()
                         : CreateDefaultImplementation();
 
                 implementation.Anchor = Anchor.Centre;
@@ -29,6 +31,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         });
 
         protected abstract Drawable CreateDefaultImplementation();
+        protected virtual Drawable CreateArgonImplementation() => CreateDefaultImplementation();
         protected abstract Drawable CreateLegacyImplementation();
     }
 }

osu.Game.Tests/Visual/Gameplay/TestSceneArgonSongProgressGraph.cs

@@ -0,0 +1,73 @@
+// 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.Collections.Generic;
+using System.Diagnostics;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Testing;
+using osu.Framework.Utils;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Screens.Play.HUD;
+
+namespace osu.Game.Tests.Visual.Gameplay
+{
+    [TestFixture]
+    public partial class TestSceneArgonSongProgressGraph : OsuTestScene
+    {
+        private TestArgonSongProgressGraph? graph;
+
+        [SetUpSteps]
+        public void SetupSteps()
+        {
+            AddStep("add new big graph", () =>
+            {
+                if (graph != null)
+                {
+                    graph.Expire();
+                    graph = null;
+                }
+
+                Add(graph = new TestArgonSongProgressGraph
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = 200,
+                    Anchor = Anchor.TopLeft,
+                    Origin = Anchor.TopLeft,
+                });
+            });
+        }
+
+        [Test]
+        public void TestGraphRecreation()
+        {
+            AddAssert("ensure not created", () => graph!.CreationCount == 0);
+            AddStep("display values", displayRandomValues);
+            AddUntilStep("wait for creation count", () => graph!.CreationCount == 1);
+            AddRepeatStep("new values", displayRandomValues, 5);
+            AddWaitStep("wait some", 5);
+            AddAssert("ensure recreation debounced", () => graph!.CreationCount == 2);
+        }
+
+        private void displayRandomValues()
+        {
+            Debug.Assert(graph != null);
+            var objects = new List<HitObject>();
+            for (double i = 0; i < 5000; i += RNG.NextDouble() * 10 + i / 1000)
+                objects.Add(new HitObject { StartTime = i });
+
+            graph.Objects = objects;
+        }
+
+        private partial class TestArgonSongProgressGraph : ArgonSongProgressGraph
+        {
+            public int CreationCount { get; private set; }
+
+            protected override void RecreateGraph()
+            {
+                base.RecreateGraph();
+                CreationCount++;
+            }
+        }
+    }
+}

osu.Game.Tests/Visual/Gameplay/TestSceneSongProgress.cs

@@ -72,6 +72,8 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         protected override Drawable CreateDefaultImplementation() => new DefaultSongProgress();
 
+        protected override Drawable CreateArgonImplementation() => new ArgonSongProgress();
+
         protected override Drawable CreateLegacyImplementation() => new LegacySongProgress();
     }
 }