expose change and object types on config

src/SIL.Harmony.Tests/ConfigTests.cs

@@ -0,0 +1,32 @@
+using SIL.Harmony.Sample.Changes;
+using SIL.Harmony.Sample.Models;
+using SIL.Harmony.Tests.Adapter;
+
+namespace SIL.Harmony.Tests;
+
+public class ConfigTests
+{
+    [Fact]
+    public void CanGetEntityTypes()
+    {
+        var config = new CrdtConfig();
+        config.ObjectTypeListBuilder.DefaultAdapter()
+            .Add<Word>()
+            .Add<Definition>();
+        config.ObjectTypeListBuilder
+            .CustomAdapter<CustomObjectAdapterTests.IMyCustomInterface, CustomObjectAdapterTests.MyClassAdapter>()
+            .Add<CustomObjectAdapterTests.MyClass>();
+        var types = config.ObjectTypes.ToArray();
+        types.Should().BeEquivalentTo([typeof(Word), typeof(Definition), typeof(CustomObjectAdapterTests.MyClass)]);
+    }
+
+    [Fact]
+    public void CanGetChangeTypes()
+    {
+        var config = new CrdtConfig();
+        config.ChangeTypeListBuilder.Add<NewDefinitionChange>();
+        config.ChangeTypeListBuilder.Add<SetWordTextChange>();
+        var types = config.ChangeTypes.ToArray();
+        types.Should().BeEquivalentTo([typeof(NewDefinitionChange), typeof(SetWordTextChange)]);
+    }
+}

src/SIL.Harmony/CrdtConfig.cs

@@ -23,7 +23,9 @@ public class CrdtConfig
     /// </summary>
     public bool AlwaysValidateCommits { get; set; } = true;
     public ChangeTypeListBuilder ChangeTypeListBuilder { get; } = new();
+    public IEnumerable<Type> ChangeTypes => ChangeTypeListBuilder.Types.Select(t => t.DerivedType);
     public ObjectTypeListBuilder ObjectTypeListBuilder { get; } = new();
+    public IEnumerable<Type> ObjectTypes => ObjectTypeListBuilder.AdapterProviders.SelectMany(p => p.GetRegistrations().Select(r => r.ObjectDbType));
     public JsonSerializerOptions JsonSerializerOptions => _lazyJsonSerializerOptions.Value;
     private readonly Lazy<JsonSerializerOptions> _lazyJsonSerializerOptions;