import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/places/tests/bookmarks/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.
+
+add_task(function* check_max_backups_is_respected() {
+  // Get bookmarkBackups directory
+  let backupFolder = yield PlacesBackups.getBackupFolder();
+
+  // Create 2 json dummy backups in the past.
+  let oldJsonPath = OS.Path.join(backupFolder, "bookmarks-2008-01-01.json");
+  let oldJsonFile = yield OS.File.open(oldJsonPath, { truncate: true });
+  oldJsonFile.close();
+  do_check_true(yield OS.File.exists(oldJsonPath));
+
+  let jsonPath = OS.Path.join(backupFolder, "bookmarks-2008-01-31.json");
+  let jsonFile = yield OS.File.open(jsonPath, { truncate: true });
+  jsonFile.close();
+  do_check_true(yield OS.File.exists(jsonPath));
+
+  // Export bookmarks to JSON.
+  // Allow 2 backups, the older one should be removed.
+  yield PlacesBackups.create(2);
+
+  let count = 0;
+  let lastBackupPath = null;
+  let iterator = new OS.File.DirectoryIterator(backupFolder);
+  try {
+    yield iterator.forEach(aEntry => {
+      count++;
+      if (PlacesBackups.filenamesRegex.test(aEntry.name))
+        lastBackupPath = aEntry.path;
+    });
+  } finally {
+    iterator.close();
+  }
+
+  do_check_eq(count, 2);
+  do_check_neq(lastBackupPath, null);
+  do_check_false(yield OS.File.exists(oldJsonPath));
+  do_check_true(yield OS.File.exists(jsonPath));
+});
+
+add_task(function* check_max_backups_greater_than_backups() {
+  // Get bookmarkBackups directory
+  let backupFolder = yield PlacesBackups.getBackupFolder();
+
+  // Export bookmarks to JSON.
+  // Allow 3 backups, none should be removed.
+  yield PlacesBackups.create(3);
+
+  let count = 0;
+  let lastBackupPath = null;
+  let iterator = new OS.File.DirectoryIterator(backupFolder);
+  try {
+    yield iterator.forEach(aEntry => {
+      count++;
+      if (PlacesBackups.filenamesRegex.test(aEntry.name))
+        lastBackupPath = aEntry.path;
+    });
+  } finally {
+    iterator.close();
+  }
+  do_check_eq(count, 2);
+  do_check_neq(lastBackupPath, null);
+});
+
+add_task(function* check_max_backups_null() {
+  // Get bookmarkBackups directory
+  let backupFolder = yield 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.
+  yield PlacesBackups.create(null);
+
+  let count = 0;
+  let lastBackupPath = null;
+  let iterator = new OS.File.DirectoryIterator(backupFolder);
+  try {
+    yield iterator.forEach(aEntry => {
+      count++;
+      if (PlacesBackups.filenamesRegex.test(aEntry.name))
+        lastBackupPath = aEntry.path;
+    });
+  } finally {
+    iterator.close();
+  }
+  do_check_eq(count, 2);
+  do_check_neq(lastBackupPath, null);
+});
+
+add_task(function* check_max_backups_undefined() {
+  // Get bookmarkBackups directory
+  let backupFolder = yield 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.
+  yield PlacesBackups.create();
+
+  let count = 0;
+  let lastBackupPath = null;
+  let iterator = new OS.File.DirectoryIterator(backupFolder);
+  try {
+    yield iterator.forEach(aEntry => {
+      count++;
+      if (PlacesBackups.filenamesRegex.test(aEntry.name))
+        lastBackupPath = aEntry.path;
+    });
+  } finally {
+    iterator.close();
+  }
+  do_check_eq(count, 2);
+  do_check_neq(lastBackupPath, null);
+});
+
+function run_test() {
+  run_next_test();
+}