michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: let {OS: {File, Path, Constants}} = Components.utils.import("resource://gre/modules/osfile.jsm", {});
michael@0: Components.utils.import("resource://gre/modules/Task.jsm");
michael@0: 
michael@0: /**
michael@0:  * Remove all temporary files and back up files, including
michael@0:  * test_backupTo_option_with_tmpPath.tmp
michael@0:  * test_backupTo_option_with_tmpPath.tmp.backup
michael@0:  * test_backupTo_option_without_tmpPath.tmp
michael@0:  * test_backupTo_option_without_tmpPath.tmp.backup
michael@0:  * test_non_backupTo_option.tmp
michael@0:  * test_non_backupTo_option.tmp.backup
michael@0:  * test_backupTo_option_without_destination_file.tmp
michael@0:  * test_backupTo_option_without_destination_file.tmp.backup
michael@0:  * test_backupTo_option_with_backup_file.tmp
michael@0:  * test_backupTo_option_with_backup_file.tmp.backup
michael@0:  */
michael@0: function clearFiles() {
michael@0:   return Task.spawn(function () {
michael@0:     let files = ["test_backupTo_option_with_tmpPath.tmp",
michael@0:                   "test_backupTo_option_without_tmpPath.tmp",
michael@0:                   "test_non_backupTo_option.tmp",
michael@0:                   "test_backupTo_option_without_destination_file.tmp",
michael@0:                   "test_backupTo_option_with_backup_file.tmp"];
michael@0:     for (let file of files) {
michael@0:       let path = Path.join(Constants.Path.tmpDir, file);
michael@0:       yield File.remove(path);
michael@0:       yield File.remove(path + ".backup");
michael@0:     }
michael@0:   });
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:   run_next_test();
michael@0: }
michael@0: 
michael@0: add_task(function* init() {
michael@0:   yield clearFiles();
michael@0: });
michael@0: 
michael@0: /**
michael@0:  * test when
michael@0:  * |backupTo| specified
michael@0:  * |tmpPath| specified
michael@0:  * destination file exists
michael@0:  * @result destination file will be backed up
michael@0:  */
michael@0: add_task(function* test_backupTo_option_with_tmpPath() {
michael@0:   let DEFAULT_CONTENTS = "default contents" + Math.random();
michael@0:   let WRITE_CONTENTS = "abc" + Math.random();
michael@0:   let path = Path.join(Constants.Path.tmpDir,
michael@0:                        "test_backupTo_option_with_tmpPath.tmp");
michael@0:   yield File.writeAtomic(path, DEFAULT_CONTENTS);
michael@0:   yield File.writeAtomic(path, WRITE_CONTENTS, { tmpPath: path + ".tmp",
michael@0:                                         backupTo: path + ".backup" });
michael@0:   do_check_true((yield File.exists(path + ".backup")));
michael@0:   let contents = yield File.read(path + ".backup");
michael@0:   do_check_eq(DEFAULT_CONTENTS, (new TextDecoder()).decode(contents));
michael@0: });
michael@0: 
michael@0: /**
michael@0:  * test when
michael@0:  * |backupTo| specified
michael@0:  * |tmpPath| not specified
michael@0:  * destination file exists
michael@0:  * @result destination file will be backed up
michael@0:  */
michael@0: add_task(function* test_backupTo_option_without_tmpPath() {
michael@0:   let DEFAULT_CONTENTS = "default contents" + Math.random();
michael@0:   let WRITE_CONTENTS = "abc" + Math.random();
michael@0:   let path = Path.join(Constants.Path.tmpDir,
michael@0:                        "test_backupTo_option_without_tmpPath.tmp");
michael@0:   yield File.writeAtomic(path, DEFAULT_CONTENTS);
michael@0:   yield File.writeAtomic(path, WRITE_CONTENTS, { backupTo: path + ".backup" });
michael@0:   do_check_true((yield File.exists(path + ".backup")));
michael@0:   let contents = yield File.read(path + ".backup");
michael@0:   do_check_eq(DEFAULT_CONTENTS, (new TextDecoder()).decode(contents));
michael@0: });
michael@0: 
michael@0: /**
michael@0:  * test when
michael@0:  * |backupTo| not specified
michael@0:  * |tmpPath| not specified
michael@0:  * destination file exists
michael@0:  * @result destination file will not be backed up
michael@0:  */
michael@0: add_task(function* test_non_backupTo_option() {
michael@0:   let DEFAULT_CONTENTS = "default contents" + Math.random();
michael@0:   let WRITE_CONTENTS = "abc" + Math.random();
michael@0:   let path = Path.join(Constants.Path.tmpDir,
michael@0:                        "test_non_backupTo_option.tmp");
michael@0:   yield File.writeAtomic(path, DEFAULT_CONTENTS);
michael@0:   yield File.writeAtomic(path, WRITE_CONTENTS);
michael@0:   do_check_false((yield File.exists(path + ".backup")));
michael@0: });
michael@0: 
michael@0: /**
michael@0:  * test when
michael@0:  * |backupTo| specified
michael@0:  * |tmpPath| not specified
michael@0:  * destination file not exists
michael@0:  * @result no back up file exists
michael@0:  */
michael@0: add_task(function* test_backupTo_option_without_destination_file() {
michael@0:   let DEFAULT_CONTENTS = "default contents" + Math.random();
michael@0:   let WRITE_CONTENTS = "abc" + Math.random();
michael@0:   let path = Path.join(Constants.Path.tmpDir,
michael@0:                        "test_backupTo_option_without_destination_file.tmp");
michael@0:   yield File.remove(path);
michael@0:   yield File.writeAtomic(path, WRITE_CONTENTS, { backupTo: path + ".backup" });
michael@0:   do_check_false((yield File.exists(path + ".backup")));
michael@0: });
michael@0: 
michael@0: /**
michael@0:  * test when
michael@0:  * |backupTo| specified
michael@0:  * |tmpPath| not specified
michael@0:  * backup file exists
michael@0:  * destination file exists
michael@0:  * @result destination file will be backed up
michael@0:  */
michael@0: add_task(function* test_backupTo_option_with_backup_file() {
michael@0:   let DEFAULT_CONTENTS = "default contents" + Math.random();
michael@0:   let WRITE_CONTENTS = "abc" + Math.random();
michael@0:   let path = Path.join(Constants.Path.tmpDir,
michael@0:                        "test_backupTo_option_with_backup_file.tmp");
michael@0:   yield File.writeAtomic(path, DEFAULT_CONTENTS);
michael@0: 
michael@0:   yield File.writeAtomic(path + ".backup", new Uint8Array(1000));
michael@0: 
michael@0:   yield File.writeAtomic(path, WRITE_CONTENTS, { backupTo: path + ".backup" });
michael@0:   do_check_true((yield File.exists(path + ".backup")));
michael@0:   let contents = yield File.read(path + ".backup");
michael@0:   do_check_eq(DEFAULT_CONTENTS, (new TextDecoder()).decode(contents));
michael@0: });
michael@0: 
michael@0: add_task(function* cleanup() {
michael@0:   yield clearFiles();
michael@0: });