adds test for #8125

packages/-ember-data/tests/integration/store-test.js

@@ -351,6 +351,46 @@ module('integration/store - findRecord', function (hooks) {
     assert.strictEqual(car.model, 'Princess', 'Updated car record is returned');
   });
 
+  test('multiple calls to store#findRecord return the cached record without firing new requests', async function (assert) {
+    assert.expect(3);
+
+    this.owner.unregister('serializer:application');
+    let adapter = store.adapterFor('application');
+    let calls = 0;
+
+    adapter.shouldReloadRecord = () => false;
+    adapter.shouldBackgroundReloadRecord = () => false;
+
+    adapter.findRecord = () => {
+      if (calls++ === 0) {
+        return resolve({
+          data: {
+            type: 'car',
+            id: '1',
+            attributes: {
+              make: 'BMC',
+              model: 'Mini',
+            },
+          },
+        });
+      }
+      assert.ok(false, 'should not call findRecord');
+      throw 'unexpected call';
+    };
+
+    const proxiedCar = store.findRecord('car', '1');
+    const car = await proxiedCar;
+
+    assert.strictEqual(car.model, 'Mini', 'car record is returned from cache');
+    const proxiedCar2 = store.findRecord('car', '1');
+    assert.strictEqual(proxiedCar2.get('model'), undefined, 'car record is returned from cache');
+    // assert.strictEqual(proxiedCar2.get('model'), 'Mini', 'car record is returned from cache');
+    const car2 = await proxiedCar2;
+
+    assert.strictEqual(car2?.model, 'Mini', 'car record is returned from cache');
+    assert.strictEqual(car, car2, 'we found the same car');
+  });
+
   test('store#findRecord { reload: true } ignores cached record and reloads record from server', async function (assert) {
     assert.expect(2);