test: repro #9224

Automattic · Jul 10, 2020 · 9ec30b8 · 9ec30b8
1 parent f71eaff
commit 9ec30b8
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/test/helpers/indexes.isIndexEqual.test.js b/test/helpers/indexes.isIndexEqual.test.js
@@ -33,4 +33,25 @@ describe('isIndexEqual', function() {
     dbIndex.collation.locale = 'de';
     assert.ok(!isIndexEqual(key, options, dbIndex));
   });
+
+  it('works when MongoDB index has collation but Mongoose index doesn\'t (gh-9224)', function() {
+    const key = { username: 1 };
+    const options = {};
+    const dbIndex = {
+      unique: true,
+      key: { username: 1 },
+      name: 'username_1',
+      background: true,
+      collation: {
+        locale: 'en',
+        caseLevel: false,
+        caseFirst: 'off',
+        strength: 2,
+        numericOrdering: false,
+        version: '57.1'
+      }
+    };
+
+    assert.ok(!isIndexEqual(key, options, dbIndex));
+  });
 });