test(schema): repro #10644

Automattic · Sep 1, 2021 · d21d2b1 · d21d2b1
1 parent 57540aa
commit d21d2b1
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/test/schema.test.js b/test/schema.test.js
@@ -2652,4 +2652,17 @@ describe('schema', function() {
     assert.equal(TestSchema.path('testprop.$*').instance, 'Number');
     assert.equal(TestSchema.path('testprop.$*').options.ref, 'OtherModel');
   });
+
+  it('handles maps of maps (gh-10644)', function() {
+    const schema = new mongoose.Schema({
+      myMap: {
+        type: Map,
+        of: {
+          type: Map,
+          of: String
+        }
+      }
+    });
+    assert.equal(schema.path('myMap').$__schemaType.$__schemaType.instance, 'String');
+  });
 });