[MD Bookmarks] Flatten sidebar.

chrome/test/data/webui/md_bookmarks/reducers_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('selection state', function() {
   var initialState;
 
   function select(items, anchor, add) {
     return {
       name: 'select-items',
@@ skipping 66 matching lines @@
 
     action = select(['1', '2', '3'], '3', false);
     nextState = bookmarks.SelectionState.updateSelection(initialState, action);
 
     action = bookmarks.actions.setSearchResults([createItem('2')]);
     nextState = bookmarks.SelectionState.updateSelection(nextState, action);
     assertDeepEquals({}, nextState.items);
   });
 });
 
-suite('closed folder state', function() {
-  var nodes;
-  var initialState;
-
-  setup(function() {
-    nodes = testTree(createFolder('0', [
-      createFolder('1', []),
-    ]));
-    initialState = {};
-  });
-
-  test('toggle folder open state', function() {
-    var action = bookmarks.actions.changeFolderOpen('1', false);
-    var nextState = bookmarks.ClosedFolderState.updateClosedFolders(
-        initialState, action, nodes);
-    assertTrue(nextState['1']);
-    assertFalse(!!nextState['0']);
-  });
-
-  test('select folder with closed parent', function() {
-    var action;
-    var nextState;
-    // Close '0'
-    action = bookmarks.actions.changeFolderOpen('0', false);
-    nextState = bookmarks.ClosedFolderState.updateClosedFolders(
-        initialState, action, nodes);
-    assertTrue(nextState['0']);
-
-    // Should re-open when '1' is selected.
-    action = bookmarks.actions.selectFolder('1');
-    nextState = bookmarks.ClosedFolderState.updateClosedFolders(
-        nextState, action, nodes);
-    assertFalse(nextState['0']);
-  });
-});
-
 suite('selected folder', function() {
   var nodes;
   var initialState;
 
   setup(function() {
     nodes = testTree(createFolder('0', [
       createFolder('1', []),
     ]));
 
     initialState = '0';
@@ skipping 115 matching lines @@
     // Case 2: Clear search by selecting a new folder.
     action = bookmarks.actions.selectFolder('0');
     var selectedState = bookmarks.reduceAction(searchedState, action);
 
     assertEquals('0', selectedState.selectedFolder);
     assertDeepEquals(['1'], bookmarks.util.getDisplayedList(selectedState));
     assertEquals('', selectedState.search.term);
     assertDeepEquals([], selectedState.search.results);
   });
 });
+
+suite('sidebar', function() {
+  var initialState;
+  var state;
+  var action;
+
+  var assertFolderPropertyTrue = function(property, expected) {
+    var folderPropertyMap = {};
+    var open = {};
+    var count = 0;
+    state.sidebar.folders.forEach((folder) => {
+      folderPropertyMap[folder.id] = folder[property];
+      if (folder[property])
+        count++;
+    });
+    expected.forEach((id) => {
+      assertTrue(folderPropertyMap[id]);
+    });
+    assertEquals(expected.length, count);
+  };
+
+  setup(function() {
+    initialState = bookmarks.util.createEmptyState();
+    initialState.nodes = testTree(createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createFolder('2', []),
+          ]),
+      createFolder('3', []),
+    ]));
+    initialState.sidebar =
+        bookmarks.util.initializeSidebar('0', initialState.nodes);
+    state = initialState;
+  });
+
+  test('toggle folder open state', function() {
+    action = bookmarks.actions.changeFolderOpen('1', false);
+    state = bookmarks.reduceAction(state, action);
+
+    assertFolderPropertyTrue('visible', ['1', '3']);
+    assertFolderPropertyTrue('open', ['2', '3']);
+  });
+
+  test('select folder with closed parent', function() {
+    // Close '1'
+    action = bookmarks.actions.changeFolderOpen('1', false);
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '3']);
+    assertFolderPropertyTrue('open', ['2', '3']);
+
+    // Should re-open when '2' is selected.
+    action = bookmarks.actions.selectFolder('2');
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '2', '3']);
+    assertFolderPropertyTrue('open', ['1', '2', '3']);
+  });
+
+  test('complex open close select', function() {
+    initialState.nodes = testTree(createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createFolder('2', []),
+            createFolder(
+                '3',
+                [
+                  createFolder('4', []),
+                ]),
+          ]),
+      createFolder(
+          '5',
+          [
+            createFolder('6', []),
+            createFolder('7', []),
+          ]),
+    ]));
+    initialState.sidebar =
+        bookmarks.util.initializeSidebar('0', initialState.nodes);
+
+    state = initialState;
+
+    // Close '3'
+    action = bookmarks.actions.changeFolderOpen('3', false);
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '2', '3', '5', '6', '7']);
+    assertFolderPropertyTrue('open', ['1', '2', '4', '5', '6', '7']);
+
+    // Close '1'
+    action = bookmarks.actions.changeFolderOpen('1', false);
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '5', '6', '7']);
+    assertFolderPropertyTrue('open', ['2', '4', '5', '6', '7']);
+
+    // Close '5'
+    action = bookmarks.actions.changeFolderOpen('5', false);
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '5']);
+    assertFolderPropertyTrue('open', ['2', '4', '6', '7']);
+
+    // 1' should re-open when '3' is selected.
+    action = bookmarks.actions.selectFolder('3');
+    state = bookmarks.reduceAction(state, action);
+    assertFolderPropertyTrue('visible', ['1', '2', '3', '5']);
+    assertFolderPropertyTrue('open', ['1', '2', '4', '6', '7']);
+  });
+
+  test('updates when a node is deleted', function() {
+    action = bookmarks.actions.removeBookmark('2', '1', 1);
+    state = bookmarks.reduceAction(state, action);
+
+    assertDeepEquals(
+        [
+          {id: '1', depth: 0, open: true, visible: true},
+          {id: '3', depth: 0, open: true, visible: true},
+        ],
+        state.sidebar.folders);
+    assertEquals(undefined, state.sidebar.folderMap['2']);
+  });
+
+  test('modifications for updating visibility', function() {
+    initialState.nodes = testTree(createFolder('0', [
+      createFolder(
+          '1',
+          [
+            createFolder('2', []),
+            createFolder(
+                '3',
+                [
+                  createFolder('4', []),
+                ]),
+          ]),
+      createFolder(
+          '5',
+          [
+            createFolder('6', []),
+            createFolder('7', []),
+          ]),
+    ]));
+    initialState.sidebar =
+        bookmarks.util.initializeSidebar('0', initialState.nodes);
+
+    // Closing '3' should only change '4'.
+    assertDeepEquals(
+        ['4'],
+        Object.values(bookmarks.SidebarState
+            .updateVisibleFoldersBelowNode(state.sidebar.folders, 2, false))
+            .map((m) => m.id));
+
+    action = bookmarks.actions.changeFolderOpen('3', false);
+    state = bookmarks.reduceAction(state, action);
+
+    // Closing '1' should only change '2' and '3'.
+    assertDeepEquals(
+        ['2', '3'],
+        Object.values(bookmarks.SidebarState
+            .updateVisibleFoldersBelowNode(state.sidebar.folders, 0, false))
+            .map((m) => m.id));
+
+    action = bookmarks.actions.changeFolderOpen('1', false);
+    state = bookmarks.reduceAction(state, action);
+
+    // Opening '3' should have no effect.
+    assertDeepEquals(
+        [],
+        Object.values(bookmarks.SidebarState
+            .updateVisibleFoldersBelowNode(state.sidebar.folders, 2, true)));
+
+    action = bookmarks.actions.changeFolderOpen('3', true);
+    state = bookmarks.reduceAction(state, action);
+
+    // Opening '1' should change '2', '3', and '4'.
+    assertDeepEquals(
+        ['2', '3', '4'],
+        Object.values(bookmarks.SidebarState
+            .updateVisibleFoldersBelowNode(state.sidebar.folders, 0, true))
+            .map((m) => m.id));
+
+    action = bookmarks.actions.changeFolderOpen('1', true);
+    state = bookmarks.reduceAction(state, action);
+  });
+});