From c9cbea055905a98d2b7a2588523b74a38c84c66d Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Wed, 13 Nov 2024 11:53:01 -0500
Subject: [PATCH] test: add test showing that bulkWrite strips out keys that
 arent in schema by default re: code review on #15036

---
 test/model.test.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/model.test.js b/test/model.test.js
index 4aa6e6f1d2..1d5f4d44ea 100644
--- a/test/model.test.js
+++ b/test/model.test.js
@@ -4157,7 +4157,8 @@ describe('Model', function() {
             filter: { _id: r1._id },
             update: {
               $set: {
-                'testArray.$[element].field1': field1update
+                'testArray.$[element].field1': field1update,
+                'testArray.$[element].nonexistentProp': field1update
               }
             },
             arrayFilters: [
@@ -4168,8 +4169,9 @@ describe('Model', function() {
             ]
           }
         }]);
-        const r2 = await TestModel.findById(r1._id);
+        const r2 = await TestModel.findById(r1._id).lean();
         assert.equal(r2.testArray[0].field1, field1update);
+        assert.strictEqual(r2.testArray[0].nonexistentProp, undefined);
       });
 
       it('with child timestamps and array filters (gh-7032)', async function() {