gecko/toolkit/components/places/tests/bookmarks/test_466303-json-remove-backups.js

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * The Original Code is Bug 466303 code.
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 * Contributor(s):
 *  Marco Bonardo <mak77@bonardo.net>
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Components.utils.import("resource://gre/modules/utils.js");

const NUMBER_OF_BACKUPS = 1;

function run_test() {
  // Get bookmarkBackups directory
  var bookmarksBackupDir = PlacesUtils.backups.folder;

  // Create an html dummy backup in the past
  var htmlBackupFile = bookmarksBackupDir.clone();
  htmlBackupFile.append("bookmarks-2008-01-01.html");
  if (htmlBackupFile.exists())
    htmlBackupFile.remove(false);
  do_check_false(htmlBackupFile.exists());
  htmlBackupFile.create(Ci.nsILocalFile.NORMAL_FILE_TYPE, 0600);
  do_check_true(htmlBackupFile.exists());

  // Create a json dummy backup in the past
  var jsonBackupFile = bookmarksBackupDir.clone();
  jsonBackupFile.append("bookmarks-2008-01-31.json");
  if (jsonBackupFile.exists())
    jsonBackupFile.remove(false);
  do_check_false(jsonBackupFile.exists());
  jsonBackupFile.create(Ci.nsILocalFile.NORMAL_FILE_TYPE, 0600);
  do_check_true(jsonBackupFile.exists());

  // Export bookmarks to JSON.
  var backupFilename = PlacesUtils.backups.getFilenameForDate();
  var lastBackupFile = bookmarksBackupDir.clone();
  lastBackupFile.append(backupFilename);
  if (lastBackupFile.exists())
    lastBackupFile.remove(false);
  do_check_false(lastBackupFile.exists());
  PlacesUtils.backups.create(NUMBER_OF_BACKUPS);
  do_check_true(lastBackupFile.exists());

  // Check that last backup has been retained
  do_check_false(htmlBackupFile.exists());
  do_check_false(jsonBackupFile.exists());
  do_check_true(lastBackupFile.exists());

  // cleanup
  lastBackupFile.remove(false);
  do_check_false(lastBackupFile.exists());
}