[MD Bookmarks] Add Select for Bookmarks.

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', [
       createFolder(
           '1',
           [
             createItem('2', {url: 'link2'}),
             createFolder('3', []),
+            createItem('6', {url: 'link4'}),
+            createItem('7', {url: 'link5'}),
           ]),
       createItem('4', {url: 'link4'}),
       createItem('5', {url: 'link5'}),
     ]);
 
     store = document.createElement('bookmarks-store');
     replaceBody(store);
     store.setupStore_(TEST_TREE);
   });
 
@@ skipping 24 matching lines @@
   });
 
   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',
+      '6': 'rootNode.children.#0.children.#2',
+      '7': 'rootNode.children.#0.children.#3',
     };
 
     for (var id in store.idToNodeMap_)
       assertEquals(TEST_PATHS[id], store.idToNodeMap_[id].path);
   });
 
   test('store updates on selected event', function() {
     // First child of root is selected by default.
     assertEquals('1', store.selectedId);
-    assertTrue(store.idToNodeMap_['1'].isSelected);
+    assertTrue(store.idToNodeMap_['1'].isSelectedFolder);
 
     // Selecting a selected folder doesn't deselect it.
     store.fire('selected-folder-changed', '1');
     assertEquals('1', store.selectedId);
-    assertTrue(store.idToNodeMap_['1'].isSelected);
+    assertTrue(store.idToNodeMap_['1'].isSelectedFolder);
 
     // Select a deeply nested descendant.
     store.fire('selected-folder-changed', '3');
     assertEquals('3', store.selectedId);
-    assertTrue(store.idToNodeMap_['3'].isSelected);
-    assertFalse(store.idToNodeMap_['1'].isSelected);
+    assertTrue(store.idToNodeMap_['3'].isSelectedFolder);
+    assertFalse(store.idToNodeMap_['1'].isSelectedFolder);
 
     // Select a folder in separate subtree.
     store.fire('selected-folder-changed', '5');
     assertEquals('5', store.selectedId);
-    assertTrue(store.idToNodeMap_['5'].isSelected);
-    assertFalse(store.idToNodeMap_['3'].isSelected);
+    assertTrue(store.idToNodeMap_['5'].isSelectedFolder);
+    assertFalse(store.idToNodeMap_['3'].isSelectedFolder);
   });
 
   test('store updates on open and close', function() {
     // All folders are open by default.
     for (var id in store.idToNodeMap_) {
       if (store.idToNodeMap_[id].url)
         continue;
 
       assertTrue(store.idToNodeMap_[id].isOpen);
     }
 
     // Closing a folder doesn't close any descendants.
     store.fire('folder-open-changed', {id: '1', open: false});
     assertFalse(store.idToNodeMap_['1'].isOpen);
     assertTrue(store.idToNodeMap_['3'].isOpen);
     store.fire('folder-open-changed', {id: '1', open: true});
 
     // Closing an ancestor folder of a selected folder selects the ancestor.
     store.fire('selected-folder-changed', '3');
     store.fire('folder-open-changed', {id: '1', open: false});
     assertFalse(store.idToNodeMap_['1'].isOpen);
     assertEquals('1', store.selectedId);
-    assertTrue(store.idToNodeMap_['1'].isSelected);
-    assertFalse(store.idToNodeMap_['3'].isSelected);
+    assertTrue(store.idToNodeMap_['1'].isSelectedFolder);
+    assertFalse(store.idToNodeMap_['3'].isSelectedFolder);
   });
 
   test('deleting a node updates the tree', function() {
+    var DELETE_RESULTS = [createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createItem('2', {url: 'link2'}),
+            createFolder('3', []),
+            createItem('6', {url: 'link4'}),
+            createItem('7', {url: 'link5'}),
+          ]),
+      createItem('5', {url: 'link5'}),
+    ])];
+    chrome.bookmarks.getSubTree = function(parentId, callback) {
+      callback(DELETE_RESULTS);
+    }
     // Remove an empty folder/bookmark.
-    store.onBookmarkRemoved_('4', {parentId: '0', index: '1'});
+    store.onBookmarkRemoved_('4', {parentId: '0', index: 1});
 
     // Check the tree is correct.
     assertEquals('5', store.rootNode.children[1].id);
 
     // idToNodeMap_ has been updated.
     assertEquals(undefined, store.idToNodeMap_['4']);
     assertEquals(store.rootNode.children[1], store.idToNodeMap_['5']);
 
     // Paths have been updated.
     var TEST_PATHS = {
       '0': 'rootNode',
       '1': 'rootNode.children.#0',
       '2': 'rootNode.children.#0.children.#0',
       '3': 'rootNode.children.#0.children.#1',
       '5': 'rootNode.children.#1',
+      '6': 'rootNode.children.#0.children.#2',
+      '7': 'rootNode.children.#0.children.#3',
     };
 
     for (var id in store.idToNodeMap_)
       assertEquals(TEST_PATHS[id], store.idToNodeMap_[id].path);
 
     // Remove a folder with children.
+    DELETE_RESULTS = [createFolder('0', [
+      createItem('5', {url: 'link5'}),
+    ])];
+
     store.onBookmarkRemoved_('1', {parentId: '0', index: '0'});
 
     // Check the tree is correct.
     assertEquals('5', store.rootNode.children[0].id);
 
     // idToNodeMap_ has been updated.
     assertEquals(undefined, store.idToNodeMap_['1']);
     assertEquals(undefined, store.idToNodeMap_['2']);
     assertEquals(undefined, store.idToNodeMap_['3']);
     assertEquals(undefined, store.idToNodeMap_['4']);
     assertEquals(store.rootNode.children[0], store.idToNodeMap_['5']);
 
     // Paths have been updated.
     TEST_PATHS = {
       '0': 'rootNode',
       '5': 'rootNode.children.#0',
     };
 
     for (var id in store.idToNodeMap_)
       assertEquals(TEST_PATHS[id], store.idToNodeMap_[id].path);
   });
 
   test('selectedId updates after removing a selected folder', function() {
     // Selected folder gets removed.
     store.selectedId = '2';
+    var DELETE_RESULTS = [createFolder('1', [
+      createFolder('3', []),
+      createItem('6', {url: 'link4'}),
+      createItem('7', {url: 'link5'}),
+    ])];
+    chrome.bookmarks.getSubTree = function(parentId, callback) {
+      callback(DELETE_RESULTS);
+    }
+
     store.onBookmarkRemoved_('2', {parentId:'1', index:'0'});
-    assertTrue(store.idToNodeMap_['1'].isSelected);
+    assertTrue(store.idToNodeMap_['1'].isSelectedFolder);
     assertEquals('1', store.selectedId);
 
     // A folder with selected folder in it gets removed.
+    DELETE_RESULTS = [createFolder('0', [
+      createItem('4', {url: 'link4'}),
+      createItem('5', {url: 'link5'}),
+    ])];
+
     store.selectedId = '3';
     store.onBookmarkRemoved_('1', {parentId:'0', index:'0'});
-    assertTrue(store.idToNodeMap_['0'].isSelected);
+    assertTrue(store.idToNodeMap_['0'].isSelectedFolder);
     assertEquals('0', store.selectedId);
   });
 
   test('displayedList updates after searchTerm changes', function() {
-      var SEARCH_RESULTS = [
-        'cat',
-        'apple',
-        'Paris',
-      ];
+    var SEARCH_RESULTS = [
+      createItem('1', {title: 'cat'}),
+      createItem('2', {title: 'apple'}),
+      createItem('3', {title: 'paris'}),
+    ];
+    chrome.bookmarks.search = function(searchTerm, callback) {
+      callback(SEARCH_RESULTS);
+    };
 
-      chrome.bookmarks.search = function(searchTerm, callback) {
-        callback(SEARCH_RESULTS);
-      };
+    // Search for a non-empty string.
+    store.searchTerm = 'a';
+    assertFalse(store.rootNode.children[0].isSelectedFolder);
+    assertEquals(null, store.selectedId);
+    assertEquals(SEARCH_RESULTS, store.displayedList);
 
-      // 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.isSelectedFolder);
+    assertEquals(defaultFolder.id, store.selectedId);
+    assertEquals(defaultFolder.children, 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);
+    // Search with no bookmarks returned.
+    chrome.bookmarks.search = function(searchTerm, callback) {
+      callback([]);
+    };
+    store.searchTerm = 'asdf';
+    assertEquals(0, store.displayedList.length);
   });
 
   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);
   });
+
+  test('single select selects the correct bookmark', function() {
+    for (var id in store.idToNodeMap_) {
+      assertFalse(store.idToNodeMap_[id].isSelectedItem);
+    }
+
+    store.fire('select-item', {item: store.idToNodeMap_['2']});
+    assertDeepEquals(
+        [true, false, false, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(0, store.prevSelectedItemIndex_);
+
+    // Select other item will remove the previous selection.
+    store.fire('select-item', {item: store.idToNodeMap_['3']});
+    assertDeepEquals(
+        [false, true, false, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(1, store.prevSelectedItemIndex_);
+
+    // Delete the selected item will select the next item.
+    store.fire('select-item', {item: store.idToNodeMap_['2']});
+    var DELETE_RESULTS = [createFolder('1', [
+      createFolder('3', []),
+      createItem('6', {url: 'link4'}),
+      createItem('7', {url: 'link5'}),
+    ])];
+    chrome.bookmarks.getSubTree = function(parentId, callback) {
+      callback(DELETE_RESULTS);
+    }
+    store.onBookmarkRemoved_('2', {parentId: '1', index: 0});
+    assertDeepEquals(
+        [true, false, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(0, store.prevSelectedItemIndex_);
+
+    // Delete the selected item at the end of the list will select the previous
+    // item.
+    store.fire('select-item', {item: store.idToNodeMap_['7']});
+    DELETE_RESULTS = [createFolder('1', [
+      createFolder('3', []),
+      createItem('6', {url: 'link4'}),
+    ])];
+    store.onBookmarkRemoved_('7', {parentId: '1', index: 2});
+    assertDeepEquals(
+        [false, true],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(1, store.prevSelectedItemIndex_);
+
+    // Changing the selected folder will remove the select status of the
+    // bookmark.
+    store.selectedId = '3';
+    assertDeepEquals(
+        [false, false],
+        store.idToNodeMap_['1'].children.map(i => i.isSelectedItem));
+    assertEquals(undefined, store.prevSelectedItemIndex_);
+  });
+
+  test('shift select selects the correct bookmarks', function() {
+    // When nothing has been selected, it selects a single item.
+    assertEquals(undefined, store.prevSelectedItemIndex_);
+    store.fire('select-item', {item: store.idToNodeMap_['6'], shiftKey: true});
+    assertDeepEquals(
+        [false, false, true, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(2, store.prevSelectedItemIndex_);
+
+    // Select an item below the previous selected item.
+    store.fire('select-item', {item: store.idToNodeMap_['7'], shiftKey: true});
+    assertEquals(2, store.prevSelectedItemIndex_);
+    assertDeepEquals(
+        [false, false, true, true],
+        store.displayedList.map(i => i.isSelectedItem));
+
+    // Select an item above the previous selected item.
+    store.fire('select-item', {item: store.idToNodeMap_['2'], shiftKey: true});
+    assertEquals(2, store.prevSelectedItemIndex_);
+    assertDeepEquals(
+        [true, true, true, false],
+        store.displayedList.map(i => i.isSelectedItem));
+  });
+
+  test('ctrl select selects the correct bookmarks', function() {
+    // When nothing has been selected, it selects a single item.
+    assertEquals(undefined, store.prevSelectedItemIndex_);
+    store.fire('select-item', {item: store.idToNodeMap_['6'], ctrlKey: true});
+    assertDeepEquals(
+        [false, false, true, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(2, store.prevSelectedItemIndex_);
+
+    // Select a new item will not deselect the previous item, but will update
+    // prevSelectedItemIndex_.
+    store.fire('select-item', {item: store.idToNodeMap_['2'], ctrlKey: true});
+    assertDeepEquals(
+        [true, false, true, false],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(0, store.prevSelectedItemIndex_);
+  });
+
+  test('selection in search mode', function() {
+    // Item gets unselected in search.
+    var SEARCH_RESULTS = [
+      createItem('4', {url: 'link4'}),
+      createItem('2', {url: 'link2'}),
+      createItem('5', {url: 'link5'}),
+    ];
+    chrome.bookmarks.search = function(searchTerm, callback) {
+      callback(SEARCH_RESULTS);
+    };
+
+    store.selectedId = '1';
+    store.fire('select-item', {item: store.idToNodeMap_['3']});
+    store.searchTerm = 'a';
+    assertFalse(store.idToNodeMap_['3'].isSelectedItem);
+    assertEquals(undefined, store.prevSelectedItemIndex_);
+
+    // prevSelectedItemIndex_ gets updated properly in single select.
+    store.fire('select-item', {item: store.displayedList[1]});
+    assertDeepEquals(
+        [undefined, true, undefined],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(1, store.prevSelectedItemIndex_);
+
+    // prevSelectedItemIndex_ gets updated properly in ctrl select.
+    store.fire('select-item', {item: store.displayedList[0], ctrlKey: true});
+    assertDeepEquals(
+        [true, true, undefined],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(0, store.prevSelectedItemIndex_);
+
+    // Delete the selected item will select the next item.
+    store.fire('select-item', {item: store.displayedList[1]});
+    SEARCH_RESULTS = [
+      createItem('4', {url: 'link4'}),
+      createItem('5', {url: 'link5'}),
+    ];
+    var DELETE_RESULTS = [createFolder('1', [
+      createFolder('3', []),
+      createItem('6', {url: 'link4'}),
+      createItem('7', {url: 'link5'}),
+    ])];
+    chrome.bookmarks.getSubTree = function(parentId, callback) {
+      callback(DELETE_RESULTS);
+    }
+
+    store.onBookmarkRemoved_('2', {parentId: '1', index: 0});
+    assertDeepEquals(
+        [undefined, true],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(1, store.prevSelectedItemIndex_);
+
+    // Delete the selected item at the end of the list will select the previous
+    // item.
+    store.fire('select-item', {item: store.displayedList[1]});
+    SEARCH_RESULTS = [
+      createItem('4', {url: 'link4'}),
+      createItem('2', {url: 'link2'}),
+    ];
+    DELETE_RESULTS = [createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createItem('2', {url: 'link2'}),
+            createFolder('3', []),
+            createItem('6', {url: 'link4'}),
+            createItem('7', {url: 'link5'}),
+          ]),
+      createItem('4', {url: 'link4'}),
+    ])];
+
+    assertDeepEquals(
+        [undefined, true],
+        store.displayedList.map(i => i.isSelectedItem));
+    assertEquals(1, store.prevSelectedItemIndex_);
+  });
 });