[MD Bookmarks] Add search.

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 = createFolder('0', [
@@ skipping 14 matching lines @@
 
   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']);
     assertEquals(TEST_TREE.children[0].children[1], store.idToNodeMap_['3']);
     assertEquals(TEST_TREE.children[1], store.idToNodeMap_['4']);
     assertEquals(TEST_TREE.children[2], store.idToNodeMap_['5']);
   });
 
-  test('changing selectedId changes the selectedNode', function(){
+  test('changing selectedId changes the displayedList', function(){
     store.selectedId = '0';
-    assertEquals(TEST_TREE, store.selectedNode);
+    assertEquals(TEST_TREE.children, store.displayedList);
     store.selectedId = '1';
-    assertEquals(TEST_TREE.children[0], store.selectedNode);
+    assertEquals(TEST_TREE.children[0].children, store.displayedList);
     store.selectedId = '2';
-    assertEquals(TEST_TREE.children[0].children[0], store.selectedNode);
+    assertEquals(
+        TEST_TREE.children[0].children[0].children, store.displayedList);
     store.selectedId = '3';
-    assertEquals(TEST_TREE.children[0].children[1], store.selectedNode);
+    assertEquals(
+        TEST_TREE.children[0].children[1].children, store.displayedList);
     store.selectedId = '4';
-    assertEquals(TEST_TREE.children[1], store.selectedNode);
+    assertEquals(TEST_TREE.children[1].children, store.displayedList);
     store.selectedId = '5';
-    assertEquals(TEST_TREE.children[2], store.selectedNode);
+    assertEquals(TEST_TREE.children[2].children, store.displayedList);
   });
 
   test('correct paths generated for nodes', function() {
     var TEST_PATHS = {
       '0': 'rootNode',
       '1': 'rootNode.children.#0',
       '2': 'rootNode.children.#0.children.#0',
       '3': 'rootNode.children.#0.children.#1',
       '4': 'rootNode.children.#1',
       '5': 'rootNode.children.#2',
@@ skipping 103 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);
   });
 
+  test('displayedList updates after searchTerm changes', function() {
+      var SEARCH_RESULTS = [
+        'cat',
+        'apple',
+        'Paris',
+      ];
+
+      chrome.bookmarks.search = function(searchTerm, callback) {

[tsergeant, 2017/01/13 01:56:23]

No need to do anything here, but it'd be good to do something to make this kind
of mocking easier to do (with some kind of test util). This is not going to be
the only time we'll want to overwrite a bookmark manager function.

Just something to think about for the future.

+        callback(SEARCH_RESULTS);
+      };
+
+      // Search for a non-empty string.
+      store.searchTerm = 'a';
+      assertFalse(store.rootNode.children[0].isSelected);
+      assertEquals(null, store.selectedId);
+      assertEquals(SEARCH_RESULTS, store.displayedList);
+
+      // Clear the searchTerm.
+      store.searchTerm = '';
+      var defaultFolder = store.rootNode.children[0];
+      assertTrue(defaultFolder.isSelected);
+      assertEquals(defaultFolder.id, store.selectedId);
+      assertEquals(defaultFolder.children, store.displayedList);
+
+      // Search with no bookmarks returned.
+      var EMPTY_RESULT = [];
+      chrome.bookmarks.search = function(searchTerm, callback) {
+        callback(EMPTY_RESULT);
+      };
+      store.searchTerm = 'asdf';
+      assertEquals(EMPTY_RESULT, store.displayedList);
+  });
+
   test('bookmark gets updated after editing', function() {
     // Edit title updates idToNodeMap_ properly.
     store.onBookmarkChanged_('4', {'title': 'test'});
     assertEquals('test', store.idToNodeMap_['4'].title);
     assertEquals('link4', store.idToNodeMap_['4'].url);
 
     // Edit url updates idToNodeMap_ properly.
     store.onBookmarkChanged_('5', {'url': 'http://www.google.com'});
     assertEquals('', store.idToNodeMap_['5'].title);
     assertEquals('http://www.google.com', store.idToNodeMap_['5'].url);
 
     // Edit url and title updates idToNodeMap_ properly.
     store.onBookmarkChanged_('2', {
       'title': 'test',
       'url': 'http://www.google.com',
     });
     assertEquals('test', store.idToNodeMap_['2'].title);
     assertEquals('http://www.google.com', store.idToNodeMap_['2'].url);
   });
 });