feat: add storage foundation and i18n resources

YKanBan.Tests/Storage/AppData/AppConfigStoreTests.cs

@@ -0,0 +1,161 @@
+using YKanBan.Storage.AppData;
+using YKanBan.Tests.TestUtilities;
+
+namespace YKanBan.Tests.Storage.AppData;
+
+/// <summary>
+/// Tests for app.json round-tripping, kebab-case naming and graceful
+/// degradation on a missing or corrupt file.
+/// </summary>
+[TestClass]
+public class AppConfigStoreTests
+{
+    [TestMethod]
+    public void LoadMissingFileReturnsDefaults()
+    {
+        using var directory = new TempDirectory();
+        var store = new AppConfigStore(Path.Combine(directory.FullPath, "app.json"));
+
+        AppConfig config = store.Load();
+
+        Assert.AreEqual(AppConfig.CurrentFormatVersion, config.Version);
+        Assert.AreEqual(AppConfig.DefaultLanguage, config.Language);
+        Assert.AreEqual(ThemeOption.FollowSystem, config.Theme);
+        Assert.AreEqual(CardSortOption.Id, config.Sort.Card);
+        Assert.AreEqual(ColumnWidthPreset.Standard, config.ColumnWidth.Preset);
+        Assert.AreEqual(320, config.ColumnWidth.CustomPixels);
+        Assert.IsTrue(config.Confirmations.DeleteCard);
+        Assert.IsTrue(config.Confirmations.DeleteColumn);
+        Assert.IsTrue(config.Confirmations.DeleteTag);
+        Assert.IsTrue(config.Confirmations.DiscardEdit);
+    }
+
+    [TestMethod]
+    public void LoadCorruptFileBacksUpAndReturnsDefaults()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        File.WriteAllText(path, "{ this is not valid json");
+        var store = new AppConfigStore(path);
+
+        AppConfig config = store.Load();
+
+        Assert.AreEqual(AppConfig.CurrentFormatVersion, config.Version);
+        Assert.IsTrue(File.Exists(path + ".bak"));
+        Assert.AreEqual("{ this is not valid json", File.ReadAllText(path + ".bak"));
+    }
+
+    [TestMethod]
+    public void LoadJsonNullReturnsDefaults()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        File.WriteAllText(path, "null");
+        var store = new AppConfigStore(path);
+
+        Assert.AreEqual(AppConfig.CurrentFormatVersion, store.Load().Version);
+    }
+
+    [TestMethod]
+    public void LoadReadsKebabCaseKeysAndEnumValues()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        File.WriteAllText(path, $$"""
+            {
+              "version": {{AppConfig.CurrentFormatVersion}},
+              "language": "zh-Hans",
+              "theme": "dark",
+              "sort": { "card": "title" },
+              "column-width": { "preset": "custom", "custom-pixels": 400 },
+              "confirmations": {
+                "delete-card": false,
+                "delete-column": false,
+                "delete-tag": false,
+                "discard-edit": false
+              }
+            }
+            """);
+        var store = new AppConfigStore(path);
+
+        AppConfig config = store.Load();
+
+        Assert.AreEqual("zh-Hans", config.Language);
+        Assert.AreEqual(ThemeOption.Dark, config.Theme);
+        Assert.AreEqual(CardSortOption.Title, config.Sort.Card);
+        Assert.AreEqual(ColumnWidthPreset.Custom, config.ColumnWidth.Preset);
+        Assert.AreEqual(400, config.ColumnWidth.CustomPixels);
+        Assert.IsFalse(config.Confirmations.DeleteCard);
+        Assert.IsFalse(config.Confirmations.DeleteColumn);
+        Assert.IsFalse(config.Confirmations.DeleteTag);
+        Assert.IsFalse(config.Confirmations.DiscardEdit);
+    }
+
+    [TestMethod]
+    public void LoadMissingSectionsFillsDefaults()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        File.WriteAllText(path, $$"""{ "version": {{AppConfig.CurrentFormatVersion}} }""");
+        var store = new AppConfigStore(path);
+
+        AppConfig config = store.Load();
+
+        Assert.IsNotNull(config.Sort);
+        Assert.IsNotNull(config.ColumnWidth);
+        Assert.IsNotNull(config.Confirmations);
+        Assert.AreEqual(ColumnWidthPreset.Standard, config.ColumnWidth.Preset);
+    }
+
+    [TestMethod]
+    public void SaveWritesKebabCaseKeysAndEnumValues()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        var store = new AppConfigStore(path);
+
+        var config = new AppConfig
+        {
+            Theme = ThemeOption.FollowSystem,
+            Sort = new SortSettings { Card = CardSortOption.UpdatedAt },
+            ColumnWidth = new ColumnWidthSettings { Preset = ColumnWidthPreset.Custom, CustomPixels = 500 },
+            Confirmations = new ConfirmationSettings { DeleteColumn = false },
+        };
+        store.Save(config);
+
+        string json = File.ReadAllText(path);
+        StringAssert.Contains(json, "\"delete-column\"");
+        StringAssert.Contains(json, "\"discard-edit\"");
+        StringAssert.Contains(json, "\"custom-pixels\"");
+        StringAssert.Contains(json, "\"follow-system\"");
+        StringAssert.Contains(json, "\"updated-at\"");
+        // No member-name CamelCase must leak into the file.
+        Assert.IsFalse(json.Contains("deleteColumn", StringComparison.Ordinal));
+        Assert.IsFalse(json.Contains("CustomPixels", StringComparison.Ordinal));
+    }
+
+    [TestMethod]
+    public void SaveThenLoadRoundTrips()
+    {
+        using var directory = new TempDirectory();
+        string path = Path.Combine(directory.FullPath, "app.json");
+        var store = new AppConfigStore(path);
+
+        var config = new AppConfig
+        {
+            Language = "zh-Hans",
+            Theme = ThemeOption.Light,
+            Sort = new SortSettings { Card = CardSortOption.CreatedAt },
+            ColumnWidth = new ColumnWidthSettings { Preset = ColumnWidthPreset.Wide },
+            Confirmations = new ConfirmationSettings { DiscardEdit = false },
+        };
+        store.Save(config);
+
+        AppConfig reloaded = store.Load();
+        Assert.AreEqual(config.Language, reloaded.Language);
+        Assert.AreEqual(config.Theme, reloaded.Theme);
+        Assert.AreEqual(config.Sort.Card, reloaded.Sort.Card);
+        Assert.AreEqual(config.ColumnWidth.Preset, reloaded.ColumnWidth.Preset);
+        Assert.AreEqual(config.Confirmations.DiscardEdit, reloaded.Confirmations.DiscardEdit);
+    }
+}