components/bookmarks/test/bookmark_test_helpers.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/bookmarks/test/bookmark_test_helpers.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/callback.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/logging.h"
  11 #include "base/run_loop.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
  14 #include "components/bookmarks/browser/bookmark_model.h"
  15 #include "url/gurl.h"
  16
  17 namespace bookmarks {
  18 namespace test {
  19
  20 namespace {
  21
  22 // BookmarkLoadObserver is used when blocking until the BookmarkModel finishes
  23 // loading. As soon as the BookmarkModel finishes loading the message loop is
  24 // quit.
  25 class BookmarkLoadObserver : public BaseBookmarkModelObserver {
  26  public:
  27   explicit BookmarkLoadObserver(const base::Closure& quit_task);
  28   ~BookmarkLoadObserver() override;
  29
  30  private:
  31   // BaseBookmarkModelObserver:
  32   void BookmarkModelChanged() override;
  33   void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
  34
  35   base::Closure quit_task_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(BookmarkLoadObserver);
  38 };
  39
  40 BookmarkLoadObserver::BookmarkLoadObserver(const base::Closure& quit_task)
  41     : quit_task_(quit_task) {}
  42
  43 BookmarkLoadObserver::~BookmarkLoadObserver() {}
  44
  45 void BookmarkLoadObserver::BookmarkModelChanged() {}
  46
  47 void BookmarkLoadObserver::BookmarkModelLoaded(BookmarkModel* model,
  48                                                bool ids_reassigned) {
  49   quit_task_.Run();
  50 }
  51
  52 // Helper function which does the actual work of creating the nodes for
  53 // a particular level in the hierarchy.
  54 std::string::size_type AddNodesFromString(BookmarkModel* model,
  55                                           const BookmarkNode* node,
  56                                           const std::string& model_string,
  57                                           std::string::size_type start_pos) {
  58   DCHECK(node);
  59   int index = node->child_count();
  60   static const std::string folder_tell(":[");
  61   std::string::size_type end_pos = model_string.find(' ', start_pos);
  62   while (end_pos != std::string::npos) {
  63     std::string::size_type part_length = end_pos - start_pos;
  64     std::string node_name = model_string.substr(start_pos, part_length);
  65     // Are we at the end of a folder group?
  66     if (node_name != "]") {
  67       // No, is it a folder?
  68       std::string tell;
  69       if (part_length > 2)
  70         tell = node_name.substr(part_length - 2, 2);
  71       if (tell == folder_tell) {
  72         node_name = node_name.substr(0, part_length - 2);
  73         const BookmarkNode* new_node =
  74             model->AddFolder(node, index, base::UTF8ToUTF16(node_name));
  75         end_pos = AddNodesFromString(model, new_node, model_string,
  76                                      end_pos + 1);
  77       } else {
  78         std::string url_string("http://");
  79         url_string += std::string(node_name.begin(), node_name.end());
  80         url_string += ".com";
  81         model->AddURL(
  82             node, index, base::UTF8ToUTF16(node_name), GURL(url_string));
  83         ++end_pos;
  84       }
  85       ++index;
  86       start_pos = end_pos;
  87       end_pos = model_string.find(' ', start_pos);
  88     } else {
  89       ++end_pos;
  90       break;
  91     }
  92   }
  93   return end_pos;
  94 }
  95
  96 }  // namespace
  97
  98 void WaitForBookmarkModelToLoad(BookmarkModel* model) {
  99   if (model->loaded())
 100     return;
 101   base::RunLoop run_loop;
 102   base::MessageLoop::ScopedNestableTaskAllower allow(
 103       base::MessageLoop::current());
 104
 105   BookmarkLoadObserver observer(run_loop.QuitClosure());
 106   model->AddObserver(&observer);
 107   run_loop.Run();
 108   model->RemoveObserver(&observer);
 109   DCHECK(model->loaded());
 110 }
 111
 112 std::string ModelStringFromNode(const BookmarkNode* node) {
 113   // Since the children of the node are not available as a vector,
 114   // we'll just have to do it the hard way.
 115   int child_count = node->child_count();
 116   std::string child_string;
 117   for (int i = 0; i < child_count; ++i) {
 118     const BookmarkNode* child = node->GetChild(i);
 119     if (child->is_folder()) {
 120       child_string += base::UTF16ToUTF8(child->GetTitle()) + ":[ " +
 121           ModelStringFromNode(child) + "] ";
 122     } else {
 123       child_string += base::UTF16ToUTF8(child->GetTitle()) + " ";
 124     }
 125   }
 126   return child_string;
 127 }
 128
 129 void AddNodesFromModelString(BookmarkModel* model,
 130                              const BookmarkNode* node,
 131                              const std::string& model_string) {
 132   DCHECK(node);
 133   std::string::size_type start_pos = 0;
 134   std::string::size_type end_pos =
 135       AddNodesFromString(model, node, model_string, start_pos);
 136   DCHECK(end_pos == std::string::npos);
 137 }
 138
 139 }  // namespace test
 140 }  // namespace bookmarks