[Test] 给Maidata模块写测试

Author: Starrah

maidata/Maidata.cs

@@ -98,7 +98,7 @@ public override string ToString()
         string[] fixedKeys = ["title", "artist", "first", "des", "wholebpm"]; // 对这些键，优先、按这里指定的顺序输出。
         foreach (var k in fixedKeys)
         {
-            if (TryGetValue(k, out var v)) result.AppendLine($"&{k}=v");
+            if (TryGetValue(k, out var v)) result.AppendLine($"&{k}={v}");
         }
 
         var (levels, infos) = _splitLevels();

tests/Maidata模块测试.cs

@@ -0,0 +1,75 @@
+using System.Text;
+using MuConvert.maidata;
+using static MuConvert.Tests.TestUtils;
+
+namespace MuConvert.Tests;
+
+/// <summary>
+/// Maidata 读写与 ToString 往返：testset 中的 maidata.txt 为输入。
+/// 说明：ToString 会追加 ChartConvertTool 元数据，且键顺序与原始文件可能不同，故不做整文件逐字相等；
+/// 往返后应得到与原字典相同的条目（另加工具键）。
+/// </summary>
+public class Maidata模块测试
+{
+    private const string ChartConvertToolKey = "ChartConvertTool";
+    private const string ChartConvertToolVersionKey = "ChartConvertToolVersion";
+
+    public static IEnumerable<object[]> MaidataFiles()
+    {
+        var root = FindRepoRoot();
+        var dir = Path.Combine(root.FullName, "tests", "testset", "自制谱");
+        string[] TO_TEST_CHARTS = ["Pre-STAR", "蝴蝶", "流光（Light Me Up）"];
+        foreach (var chart in TO_TEST_CHARTS)
+        {
+            var path = Path.Combine(dir, chart, "maidata.txt");
+            if (!File.Exists(path)) throw new FileNotFoundException($"Testset not found: {path}");
+            yield return [path];
+        }
+    }
+
+    [Theory]
+    [MemberData(nameof(MaidataFiles))]
+    public void 读入为Maidata_再ToString写出(string path)
+    {
+        var originalText = File.ReadAllText(path, Encoding.UTF8);
+        var m = new Maidata(originalText);
+
+        Assert.False(string.IsNullOrWhiteSpace(m.Title));
+        Assert.False(string.IsNullOrWhiteSpace(m.Artist));
+        Assert.NotEmpty(m.Levels);
+
+        foreach (var (id, chart) in m.Levels.OrderBy(x => x.Key))
+        {
+            Assert.False(string.IsNullOrWhiteSpace(chart.Level), $"lv_{id} should be set in {path}");
+            Assert.False(string.IsNullOrWhiteSpace(chart.Inote), $"inote_{id} should be non-empty in {path}");
+        }
+
+        Assert.True(m.First >= -10f && m.First <= 10f, $"sanity: first in reasonable range for {path}");
+        Assert.True(m.ClockCount >= 1 && m.ClockCount <= 192, $"sanity: clock_count for {path}");
+
+        var folder = Path.GetFileName(Path.GetDirectoryName(path))!;
+        Assert.Equal(folder, m.Title);
+
+        var serialized = m.ToString();
+        var m2 = new Maidata(serialized);
+        AssertMaidataDictionaryEquivalent(m, m2);
+
+        Assert.True(m2.ContainsKey(ChartConvertToolKey));
+        Assert.Equal("MuConvert", m2[ChartConvertToolKey]);
+        Assert.True(m2.ContainsKey(ChartConvertToolVersionKey));
+        Assert.False(string.IsNullOrWhiteSpace(m2[ChartConvertToolVersionKey]));
+    }
+
+    private static void AssertMaidataDictionaryEquivalent(Maidata original, Maidata roundTrip)
+    {
+        foreach (var kv in original)
+            Assert.Equal(kv.Value, roundTrip[kv.Key]);
+
+        foreach (var k in roundTrip.Keys)
+        {
+            if (k is ChartConvertToolKey or ChartConvertToolVersionKey)
+                continue;
+            Assert.True(original.ContainsKey(k), $"Unexpected key in round-trip: {k}");
+        }
+    }
+}

tests/TestUtils.cs

@@ -0,0 +1,15 @@
+namespace MuConvert.Tests;
+
+internal static class TestUtils
+{
+    /// <summary>
+    /// 从测试运行目录向上查找包含 MuConvert.csproj 的仓库根目录。
+    /// </summary>
+    public static DirectoryInfo FindRepoRoot()
+    {
+        var dir = new DirectoryInfo(AppContext.BaseDirectory);
+        while (dir != null && !File.Exists(Path.Combine(dir.FullName, "MuConvert.csproj")))
+            dir = dir.Parent;
+        return dir ?? throw new DirectoryNotFoundException("Could not locate repo root (MuConvert.csproj).");
+    }
+}

tests/自制谱测试.cs

@@ -4,6 +4,7 @@
 using MuConvert.parser.simai;
 using MuConvert.utils;
 using Xunit.Abstractions;
+using static MuConvert.Tests.TestUtils;
 
 namespace MuConvert.Tests;
 
@@ -145,12 +146,4 @@ private static void AssertTextEqual(string expected, string actual)
             );
         }
     }
-
-    private static DirectoryInfo FindRepoRoot()
-    {
-        var dir = new DirectoryInfo(AppContext.BaseDirectory);
-        while (dir != null && !File.Exists(Path.Combine(dir.FullName, "MuConvert.csproj")))
-            dir = dir.Parent;
-        return dir ?? throw new DirectoryNotFoundException("Could not locate repo root (MuConvert.csproj).");
-    }
 }