Add verify checks for incorrect title markers

osu.Game.Tests/Editing/Checks/CheckTitleMarkersTest.cs

@@ -0,0 +1,235 @@
+// 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.Rulesets.Edit;
+using osu.Game.Rulesets.Edit.Checks;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Tests.Beatmaps;
+
+namespace osu.Game.Tests.Editing.Checks
+{
+    [TestFixture]
+    public class CheckTitleMarkersTest
+    {
+        private CheckTitleMarkers check = null!;
+
+        private IBeatmap beatmap = null!;
+
+        [SetUp]
+        public void Setup()
+        {
+            check = new CheckTitleMarkers();
+
+            beatmap = new Beatmap<HitObject>
+            {
+                BeatmapInfo = new BeatmapInfo
+                {
+                    Metadata = new BeatmapMetadata
+                    {
+                        Title = "Egao no Kanata",
+                        TitleUnicode = "エガオノカナタ"
+                    }
+                }
+            };
+        }
+
+        [Test]
+        public void TestNoTitleMarkers()
+        {
+            var issues = check.Run(getContext(beatmap)).ToList();
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestTvSizeMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (TV Size)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (TV Size)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedTvSizeMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (tv size)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (tv size)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestGameVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Game Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Game Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedGameVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (game ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (game ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestShortVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Short Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Short Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedShortVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (short ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (short ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Cut Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Cut Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (cut ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (cut ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestSpedUpVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Sped Up Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Sped Up Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedSpedUpVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (sped up ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (sped up ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestNightcoreMixMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Nightcore Mix)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Nightcore Mix)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedNightcoreMixMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (nightcore mix)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (nightcore mix)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestSpedUpCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Sped Up & Cut Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Sped Up & Cut Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedSpedUpCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (sped up & cut ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (sped up & cut ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        [Test]
+        public void TestNightcoreCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (Nightcore & Cut Ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (Nightcore & Cut Ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(0));
+        }
+
+        [Test]
+        public void TestMalformedNightcoreCutVerMarker()
+        {
+            beatmap.BeatmapInfo.Metadata.Title += " (nightcore & cut ver.)";
+            beatmap.BeatmapInfo.Metadata.TitleUnicode += " (nightcore & cut ver.)";
+
+            var issues = check.Run(getContext(beatmap)).ToList();
+
+            Assert.That(issues, Has.Count.EqualTo(2));
+            Assert.That(issues.Any(issue => issue.Template is CheckTitleMarkers.IssueTemplateIncorrectMarker));
+        }
+
+        private BeatmapVerifierContext getContext(IBeatmap beatmap)
+        {
+            return new BeatmapVerifierContext(beatmap, new TestWorkingBeatmap(beatmap));
+        }
+    }
+}

osu.Game/Rulesets/Edit/BeatmapVerifier.cs

@@ -46,6 +46,9 @@ public class BeatmapVerifier : IBeatmapVerifier
 
             // Events
             new CheckBreaks(),
+
+            // Metadata
+            new CheckTitleMarkers(),
         };
 
         public IEnumerable<Issue> Run(BeatmapVerifierContext context)

osu.Game/Rulesets/Edit/Checks/CheckTitleMarkers.cs

@@ -0,0 +1,72 @@
+// 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.Text.RegularExpressions;
+using osu.Game.Rulesets.Edit.Checks.Components;
+
+namespace osu.Game.Rulesets.Edit.Checks
+{
+    public class CheckTitleMarkers : ICheck
+    {
+        public CheckMetadata Metadata => new CheckMetadata(CheckCategory.Metadata, "Checks for incorrect formats of (TV Size) / (Game Ver.) / (Short Ver.) / (Cut Ver.) / (Sped Up Ver.) / etc in title.");
+
+        public IEnumerable<IssueTemplate> PossibleTemplates => new IssueTemplate[]
+        {
+            new IssueTemplateIncorrectMarker(this),
+        };
+
+        private readonly IEnumerable<MarkerCheck> markerChecks =
+        [
+            new MarkerCheck(@"(TV Size)", @"(?i)(tv (size|ver))"),
+            new MarkerCheck(@"(Game Ver.)", @"(?i)(game (size|ver))"),
+            new MarkerCheck(@"(Short Ver.)", @"(?i)(short (size|ver))"),
+            new MarkerCheck(@"(Cut Ver.)", @"(?i)(?<!& )(cut (size|ver))"),
+            new MarkerCheck(@"(Sped Up Ver.)", @"(?i)(?<!& )(sped|speed) ?up ver"),
+            new MarkerCheck(@"(Nightcore Mix)", @"(?i)(?<!& )(nightcore|night core) (ver|mix)"),
+            new MarkerCheck(@"(Sped Up & Cut Ver.)", @"(?i)(sped|speed) ?up (ver)? ?& cut (size|ver)"),
+            new MarkerCheck(@"(Nightcore & Cut Ver.)", @"(?i)(nightcore|night core) (ver|mix)? ?& cut (size|ver)"),
+        ];
+
+        public IEnumerable<Issue> Run(BeatmapVerifierContext context)
+        {
+            string romanisedTitle = context.Beatmap.Metadata.Title;
+            string unicodeTitle = context.Beatmap.Metadata.TitleUnicode;
+
+            foreach (var check in markerChecks)
+            {
+                bool hasRomanisedTitle = unicodeTitle != romanisedTitle;
+
+                if (check.AnyRegex.IsMatch(unicodeTitle) && !check.ExactRegex.IsMatch(unicodeTitle))
+                    yield return new IssueTemplateIncorrectMarker(this).Create("Title", check.CorrectMarkerFormat);
+
+                if (hasRomanisedTitle && check.AnyRegex.IsMatch(romanisedTitle) && !check.ExactRegex.IsMatch(romanisedTitle))
+                    yield return new IssueTemplateIncorrectMarker(this).Create("Romanised title", check.CorrectMarkerFormat);
+            }
+        }
+
+        private class MarkerCheck
+        {
+            public readonly string CorrectMarkerFormat;
+            public readonly Regex ExactRegex;
+            public readonly Regex AnyRegex;
+
+            public MarkerCheck(string exact, string anyRegex)
+            {
+                CorrectMarkerFormat = exact;
+                ExactRegex = new Regex(Regex.Escape(exact), RegexOptions.Compiled);
+                AnyRegex = new Regex(anyRegex, RegexOptions.Compiled);
+            }
+        }
+
+        public class IssueTemplateIncorrectMarker : IssueTemplate
+        {
+            public IssueTemplateIncorrectMarker(ICheck check)
+                : base(check, IssueType.Problem, "{0} field has a incorrect format of marker {1}")
+            {
+            }
+
+            public Issue Create(string titleField, string correctMarkerFormat) => new Issue(this, titleField, correctMarkerFormat);
+        }
+    }
+}