test(shouldRun): add test to verify that "mergeMetadata" does not add…

… symbols
typegoose · Apr 27, 2023 · 3e517b5 · 3e517b5
1 parent 5fec7e0
commit 3e517b5
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/test/tests/shouldRun.test.ts b/test/tests/shouldRun.test.ts
@@ -1,6 +1,6 @@
 import * as mongoose from 'mongoose';
 import { mapValueToSeverity } from '../../src/globalOptions';
-import { DecoratorKeys, PropType, Severity } from '../../src/internal/constants';
+import { AlreadyMerged, DecoratorKeys, PropType, Severity } from '../../src/internal/constants';
 import { globalOptions } from '../../src/internal/data';
 import {
   assertion,
@@ -1086,3 +1086,12 @@ it(`should Validate Map`, async () => {
     );
   }
 });
+
+it('should not merge together symbols', () => {
+  class Test {}
+
+  const res = mergeMetadata(DecoratorKeys.ModelOptions, { [AlreadyMerged]: true, anotherValue: true }, Test);
+
+  expect(res).toStrictEqual({ anotherValue: true });
+  expect(res[AlreadyMerged]).toBeUndefined();
+});