test_466303-json-remove-backups.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et: */

/* 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/. */

// Since PlacesBackups.getbackupFiles() is a lazy getter, these tests must

// run in the given order, to avoid making it out-of-sync.

async function countChildren(path) {

  let children = await IOUtils.getChildren(path);

  let count = 0;

  let lastBackupPath = null;

  for (let entry of children) {

    count++;

    if (PlacesBackups.filenamesRegex.test(PathUtils.filename(entry))) {

      lastBackupPath = entry;

  return { count, lastBackupPath };

add_task(async function check_max_backups_is_respected() {

  // Get bookmarkBackups directory

  let backupFolder = await PlacesBackups.getBackupFolder();

  // Create 2 json dummy backups in the past.

  let oldJsonPath = PathUtils.join(backupFolder, "bookmarks-2008-01-01.json");

  await IOUtils.writeUTF8(oldJsonPath, "");

  Assert.ok(await IOUtils.exists(oldJsonPath));

  let jsonPath = PathUtils.join(backupFolder, "bookmarks-2008-01-31.json");

  await IOUtils.writeUTF8(jsonPath, "");

  Assert.ok(await IOUtils.exists(jsonPath));

  // Export bookmarks to JSON.

  // Allow 2 backups, the older one should be removed.

  await PlacesBackups.create(2);

  let { count, lastBackupPath } = await countChildren(backupFolder);

  Assert.equal(count, 2);

  Assert.notEqual(lastBackupPath, null);

  Assert.equal(false, await IOUtils.exists(oldJsonPath));

  Assert.ok(await IOUtils.exists(jsonPath));

});

add_task(async function check_max_backups_greater_than_backups() {

  // Get bookmarkBackups directory

  let backupFolder = await PlacesBackups.getBackupFolder();

  // Export bookmarks to JSON.

  // Allow 3 backups, none should be removed.

  await PlacesBackups.create(3);

  let { count, lastBackupPath } = await countChildren(backupFolder);

  Assert.equal(count, 2);

  Assert.notEqual(lastBackupPath, null);

});

add_task(async function check_max_backups_null() {

  // Get bookmarkBackups directory

  let backupFolder = await PlacesBackups.getBackupFolder();

  // Export bookmarks to JSON.

  // Allow infinite backups, none should be removed, a new one is not created

  // since one for today already exists.

  await PlacesBackups.create(null);

  let { count, lastBackupPath } = await countChildren(backupFolder);

  Assert.equal(count, 2);

  Assert.notEqual(lastBackupPath, null);

});

add_task(async function check_max_backups_undefined() {

  // Get bookmarkBackups directory

  let backupFolder = await PlacesBackups.getBackupFolder();

  // Export bookmarks to JSON.

  // Allow infinite backups, none should be removed, a new one is not created

  // since one for today already exists.

  await PlacesBackups.create();

  let { count, lastBackupPath } = await countChildren(backupFolder);

  Assert.equal(count, 2);

  Assert.notEqual(lastBackupPath, null);

});