Refactoring bookmark viewcontrollers

ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm

-// Copyright 2013 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.
-
-#include "components/bookmarks/browser/bookmark_model.h"
-#import "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
-#import "ios/chrome/browser/ui/bookmarks/bookmark_home_handset_view_controller.h"
-#include "ios/chrome/browser/ui/bookmarks/bookmark_ios_unittest.h"
-#import "ios/chrome/browser/ui/bookmarks/bookmark_promo_controller.h"
-#import "ios/chrome/browser/ui/bookmarks/bookmark_utils_ios.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-using bookmarks::BookmarkNode;
-
-// A partial mock subclass that doesn't load any heavy weight subclasses.
-@interface MockBookmarkHomeHandsetViewController
-    : BookmarkHomeHandsetViewController
-@end
-
-@implementation MockBookmarkHomeHandsetViewController
-
-- (void)hideEditingBarAnimated:(BOOL)animated {
-  // Do nothing.
-  // The animation would delay the release of the
-  // BookmarkHomeHandsetViewController and make the test fail by keeping
-  // the view controller alive after the test is shutdown leading
-  // to DCHECK failure on the sign in manager.
-}
-
-- (void)ensureAllViewExists {
-  // Do nothing.
-}
-- (void)loadImageService {
-  // Do nothing.
-}
-@end
-
-namespace {
-
-using BookmarkHomeViewControllerTest = BookmarkIOSUnitTest;
-
-TEST_F(BookmarkHomeViewControllerTest, DeleteNodesUpdatesEditNodes) {
-  @autoreleasepool {
-    const BookmarkNode* mobileNode = _bookmarkModel->mobile_node();
-    const BookmarkNode* f1 = AddFolder(mobileNode, @"f1");
-    const BookmarkNode* a = AddBookmark(mobileNode, @"a");
-    const BookmarkNode* b = AddBookmark(mobileNode, @"b");
-    const BookmarkNode* f2 = AddFolder(mobileNode, @"f2");
-
-    const BookmarkNode* f1a = AddBookmark(f1, @"f1a");
-    AddBookmark(f1, @"f1b");
-    AddBookmark(f1, @"f1c");
-    const BookmarkNode* f2a = AddBookmark(f2, @"f2a");
-    AddBookmark(f2, @"f2b");
-
-    std::set<const BookmarkNode*> toDelete;
-    toDelete.insert(b);
-    toDelete.insert(f1a);
-    toDelete.insert(f1);
-    toDelete.insert(f2a);
-
-    MockBookmarkHomeHandsetViewController* controller =
-        [[MockBookmarkHomeHandsetViewController alloc]
-            initWithLoader:nil
-              browserState:chrome_browser_state_.get()];
-
-    [controller resetEditNodes];
-    [controller insertEditNode:f1 atIndexPath:nil];
-    [controller insertEditNode:a atIndexPath:nil];
-    [controller insertEditNode:f2 atIndexPath:nil];
-
-    bookmark_utils_ios::DeleteBookmarks(toDelete, _bookmarkModel);
-
-    // After the deletion, only 'a' and 'f2' should be left.
-    std::set<const BookmarkNode*> editingNodes = [controller editNodes];
-    EXPECT_EQ(editingNodes.size(), 2u);
-    EXPECT_TRUE(editingNodes.find(a) != editingNodes.end());
-    EXPECT_TRUE(editingNodes.find(f2) != editingNodes.end());
-  }
-}
-
-}  // anonymous namespace