fix(expect-utils): Fix equality of ImmutableJS Record

CHANGELOG.md

@@ -9,6 +9,7 @@
 ### Fixes
 
 - `[jest-worker]` When a process runs out of memory worker exits correctly and doesn't spin indefinitely ([#13054](https://github.com/facebook/jest/pull/13054))
+- `[@jest/expect-utils]` Fix deep equality of ImmutableJS Record ([#13055](https://github.com/facebook/jest/pull/13055))
 
 ### Chore & Maintenance
 

packages/expect-utils/src/__tests__/utils.test.ts

@@ -6,7 +6,7 @@
  *
  */
 
-import {List, OrderedMap, OrderedSet} from 'immutable';
+import {List, OrderedMap, OrderedSet, Record} from 'immutable';
 import {stringify} from 'jest-matcher-utils';
 import {
  arrayBufferEquality,
@@ -537,6 +537,13 @@ describe('iterableEquality', () => {
  const b = List(['newValue']).toOrderedSet();
  expect(iterableEquality(a, b)).toBe(true);
  });
+
+ test('returns true when given Immutable Record without an OwnerID', () => {
+ class TestRecord extends Record({dummy: ''}) {}
+ const a = new TestRecord().merge({dummy: 'data'});
+ const b = new TestRecord().set('dummy', 'data');
+ expect(iterableEquality(a, b)).toBe(true);
+ });
 });
 
 describe('arrayBufferEquality', () => {

packages/expect-utils/src/jasmineUtils.ts

@@ -243,6 +243,7 @@ const IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@';
 const IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@';
 const IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@';
 const IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@';
+const IS_RECORD_SYMBOL = '@@__IMMUTABLE_RECORD__@@';
 
 export function isImmutableUnorderedKeyed(maybeKeyed: any) {
  return !!(
@@ -283,3 +284,10 @@ export function isImmutableOrderedSet(maybeSet: any) {
  maybeSet[IS_ORDERED_SENTINEL]
  );
 }
+
+export function isImmutableRecord(maybeSet: any) {
+ return !!(
+ maybeSet &&
+ maybeSet[IS_RECORD_SYMBOL]
+ );
+}

packages/expect-utils/src/utils.ts

@@ -13,6 +13,7 @@ import {
  isImmutableList,
  isImmutableOrderedKeyed,
  isImmutableOrderedSet,
+ isImmutableRecord,
  isImmutableUnorderedKeyed,
  isImmutableUnorderedSet,
 } from './jasmineUtils';
@@ -260,7 +261,8 @@ export const iterableEquality = (
  if (
  !isImmutableList(a) &&
  !isImmutableOrderedKeyed(a) &&
- !isImmutableOrderedSet(a)
+ !isImmutableOrderedSet(a) &&
+ !isImmutableRecord(a)
  ) {
  const aEntries = Object.entries(a);
  const bEntries = Object.entries(b);