Add aggregate voter registration management

tests/ElectionSystem.Api.Tests/PersistenceModelTests.cs

@@ -63,6 +63,16 @@ public sealed class PersistenceModelTests
         Assert.Contains(entity.GetIndexes(), x => x.Properties.Select(p => p.Name).SequenceEqual(new[] { nameof(VoterProfile.RegionId), nameof(VoterProfile.Status), nameof(VoterProfile.DisplayName) }));
     }
 
+    [Fact]
+    public void Aggregate_registration_is_region_unique_and_has_no_identity_fields()
+    {
+        var options = new DbContextOptionsBuilder<ElectionDbContext>().UseInMemoryDatabase(Guid.NewGuid().ToString()).Options;
+        using var context = new ElectionDbContext(options);
+        var entity = context.Model.FindEntityType(typeof(VoterRegistrationAggregate))!;
+        Assert.Contains(entity.GetIndexes(), x => x.IsUnique && x.Properties.Single().Name == nameof(VoterRegistrationAggregate.RegionId));
+        Assert.DoesNotContain(typeof(VoterRegistrationAggregate).GetProperties(), x => x.Name.Contains("Name", StringComparison.OrdinalIgnoreCase) || x.Name.Contains("Number", StringComparison.OrdinalIgnoreCase));
+    }
+
     [Fact]
     public async Task AreaCity_import_preserves_parent_chain_and_four_levels()
     {