test_818584-discard-duplicate-backups.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

/**

 * Checks that automatically created bookmark backups are discarded if they are

 * duplicate of an existing ones.

*/

add_task(async function () {

  // Create a backup for yesterday in the backups folder.

  let backupFolder = await PlacesBackups.getBackupFolder();

  let dateObj = new Date();

  dateObj.setDate(dateObj.getDate() - 1);

  let oldBackupName = PlacesBackups.getFilenameForDate(dateObj);

  let oldBackup = PathUtils.join(backupFolder, oldBackupName);

  let { count: count, hash: hash } =

    await BookmarkJSONUtils.exportToFile(oldBackup);

  Assert.ok(count > 0);

  Assert.equal(hash.length, 44);

  oldBackupName = oldBackupName.replace(

    /\.json/,

    "_" + count + "_" + hash + ".json"

);

  await IOUtils.move(oldBackup, PathUtils.join(backupFolder, oldBackupName));

  // Create a backup.

  // This should just rename the existing backup, so in the end there should be

  // only one backup with today's date.

  await PlacesBackups.create();

  // Get the hash of the generated backup

  let backupFiles = await PlacesBackups.getBackupFiles();

  Assert.equal(backupFiles.length, 1);

  let matches = PathUtils.filename(backupFiles[0]).match(

    PlacesBackups.filenamesRegex

);

  Assert.equal(matches[1], PlacesBackups.toISODateString(new Date()));

  Assert.equal(matches[2], count);

  Assert.equal(matches[3], hash);

  // Add a bookmark and create another backup.

  let bookmark = await PlacesUtils.bookmarks.insert({

    parentGuid: PlacesUtils.bookmarks.menuGuid,

    title: "foo",

    url: "http://foo.com",

});

  // We must enforce a backup since one for today already exists.  The forced

  // backup will replace the existing one.

  await PlacesBackups.create(undefined, true);

  Assert.equal(backupFiles.length, 1);

  let recentBackup = await PlacesBackups.getMostRecentBackup();

  Assert.notEqual(recentBackup, PathUtils.join(backupFolder, oldBackupName));

  matches = PathUtils.filename(recentBackup).match(

    PlacesBackups.filenamesRegex

);

  Assert.equal(matches[1], PlacesBackups.toISODateString(new Date()));

  Assert.equal(matches[2], count + 1);

  Assert.notEqual(matches[3], hash);

  // Clean up

  await PlacesUtils.bookmarks.remove(bookmark);

  await PlacesBackups.create(0);

});