Show the eu07.ini key on every settings row

StarterNG.Tests/SettingKeyCatalogTests.cs

@@ -0,0 +1,37 @@
+using StarterNG.Infrastructure.Settings;
+
+namespace StarterNG.Tests;
+
+public class SettingKeyCatalogTests
+{
+    [Fact]
+    public void A_clamped_key_is_annotated_with_its_default_and_range()
+    {
+        Assert.Equal("dynamiclights = 7 (0-7)", SettingKeyCatalog.Annotate("dynamiclights"));
+        Assert.Equal("starter.bufferscale = 100 (50-200)", SettingKeyCatalog.Annotate("starter.bufferscale"));
+    }
+
+    [Fact]
+    public void An_unclamped_key_is_annotated_with_its_default_alone()
+    {
+        Assert.Equal("maxtexturesize = 4096", SettingKeyCatalog.Annotate("maxtexturesize"));
+        Assert.Equal("vsync = false", SettingKeyCatalog.Annotate("vsync"));
+    }
+
+    [Fact]
+    public void A_composite_or_unknown_key_is_shown_as_written()
+    {
+        Assert.Equal("shadowtune", SettingKeyCatalog.Annotate("shadowtune"));
+        Assert.Equal("", SettingKeyCatalog.Annotate(null));
+    }
+
+    [Fact]
+    public void The_annotation_matches_what_the_serializer_actually_defaults_to()
+    {
+        var settings = new StarterNG.Domain.Settings.SimulatorSettings();
+        new SettingsSerializer().Read(settings, new StarterNG.Classes.ConfigFile());
+
+        Assert.Equal($"maxtexturesize = {settings.MaxTextureSize}", SettingKeyCatalog.Annotate("maxtexturesize"));
+        Assert.Equal($"fieldofview = {settings.FieldOfView} (15-75)", SettingKeyCatalog.Annotate("fieldofview"));
+    }
+}