[MD Bookmarks] Test Util

chrome/test/data/webui/md_bookmarks/store_test.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 suite('<bookmarks-store>', function() {
   var store;
   var TEST_TREE;
 
   setup(function() {
-    TEST_TREE = {
-      id: '0',
-      children: [
-      {
-        id: '1',
-        children: [
-          {id: '2', url: 'link2'},
-          {id: '3', children: []}
-        ]
-      },
-      {id: '4', url: 'link4'},
-      {id: '5', url: 'link5'}
-    ]
-  };
+    TEST_TREE = createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createItem('2', {url: 'link2'}),
+            createFolder('3', []),
+          ]),
+      createItem('4', {url: 'link4'}),
+      createItem('5', {url: 'link5'}),
+    ]);
 
     store = document.createElement('bookmarks-store');
     replaceBody(store);
     store.setupStore_(TEST_TREE);
   });
 
   test('initNodes inserts nodes into idToNodeMap', function(){
     assertEquals(TEST_TREE, store.idToNodeMap_['0']);
     assertEquals(TEST_TREE.children[0], store.idToNodeMap_['1']);
     assertEquals(TEST_TREE.children[0].children[0], store.idToNodeMap_['2']);
@@ skipping 131 matching lines @@
     assertTrue(store.idToNodeMap_['1'].isSelected);
     assertEquals('1', store.selectedId);
 
     // A folder with selected folder in it gets removed.
     store.selectedId = '3';
     store.onBookmarkRemoved_('1', {parentId:'0', index:'0'});
     assertTrue(store.idToNodeMap_['0'].isSelected);
     assertEquals('0', store.selectedId);
   });
 });