add a test for meta and links in json:api

packages/-ember-data/tests/acceptance/record-links-meta-test.js

@@ -0,0 +1,89 @@
+import { module, test } from 'qunit';
+import { resolve } from 'rsvp';
+
+import { setupRenderingTest } from 'ember-qunit';
+
+import JSONAPIAdapter from '@ember-data/adapter/json-api';
+import Model, { attr } from '@ember-data/model';
+import JSONAPISerializer from '@ember-data/serializer/json-api';
+import Store from '@ember-data/store';
+
+class ModelWithCollision extends Model {
+  @attr name;
+  @attr meta;
+  @attr links;
+}
+
+class ModelWithoutCollision extends Model {
+  @attr name;
+}
+
+class TestAdapter extends JSONAPIAdapter {
+  findRecord(store, { modelName }, id) {
+    let data = {
+      id,
+      type: modelName,
+      attributes: {
+        name: 'Contraption',
+      },
+      links: {
+        self: 'http://example.com/api/with-collisions/1',
+      },
+      meta: {
+        count: 8,
+      },
+    };
+
+    if (modelName === 'with-collision') {
+      data.attributes.links = 'no-links';
+      data.attributes.meta = 996;
+    }
+    return resolve({
+      data,
+    });
+  }
+}
+
+module('acceptance/record-links-meta', function (hooks) {
+  setupRenderingTest(hooks);
+
+  hooks.beforeEach(function () {
+    let { owner } = this;
+    owner.register('service:store', Store);
+    owner.register('model:with-collision', ModelWithCollision);
+    owner.register('model:without-collision', ModelWithoutCollision);
+    owner.register('adapter:application', TestAdapter);
+    owner.register('serializer:application', JSONAPISerializer);
+  });
+
+  test('JSONAPISerializer preserves the links and meta', async function (assert) {
+    let store = this.owner.lookup('service:store');
+
+    let adapter = store.adapterFor('application');
+    let serializer = store.serializerFor('application');
+    let model = store.modelFor('with-collision');
+
+    let data = await adapter.findRecord(store, model, 'id-1');
+
+    let result = serializer.normalizeResponse(store, model, data, 'id-1', 'findRecord');
+
+    assert.deepEqual(
+      result.data.links,
+      {
+        self: 'http://example.com/api/with-collisions/1',
+      },
+      'top level resource links are preserved'
+    );
+    assert.deepEqual(result.data.attributes.links, 'no-links', 'attribute members named "links" are preserved');
+
+    assert.deepEqual(
+      result.data.meta,
+      {
+        count: 8,
+      },
+      'top level resource meta is preserved'
+    );
+
+    assert.deepEqual(result.data.attributes.meta, 996, 'attribute members named "meta" are preserved');
+  });
+});