michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: let toplevel = this;
michael@0: Cu.import("resource://gre/modules/osfile.jsm");
michael@0: 
michael@0: function run_test() {
michael@0:   let profd = do_get_profile();
michael@0:   Cu.import("resource:///modules/sessionstore/SessionFile.jsm", toplevel);
michael@0:   decoder = new TextDecoder();
michael@0:   pathStore = OS.Path.join(OS.Constants.Path.profileDir, "sessionstore.js");
michael@0:   pathBackup = OS.Path.join(OS.Constants.Path.profileDir, "sessionstore.bak");
michael@0:   let source = do_get_file("data/sessionstore_valid.js");
michael@0:   source.copyTo(profd, "sessionstore.js");
michael@0:   run_next_test();
michael@0: }
michael@0: 
michael@0: let pathStore;
michael@0: let pathBackup;
michael@0: let decoder;
michael@0: 
michael@0: // Write to the store, and check that a backup is created first
michael@0: add_task(function test_first_write_backup() {
michael@0:   let content = "test_1";
michael@0:   let initial_content = decoder.decode(yield OS.File.read(pathStore));
michael@0: 
michael@0:   do_check_true(!(yield OS.File.exists(pathBackup)));
michael@0:   yield SessionFile.write(content);
michael@0:   do_check_true(yield OS.File.exists(pathBackup));
michael@0: 
michael@0:   let backup_content = decoder.decode(yield OS.File.read(pathBackup));
michael@0:   do_check_eq(initial_content, backup_content);
michael@0: });
michael@0: 
michael@0: // Write to the store again, and check that the backup is not updated
michael@0: add_task(function test_second_write_no_backup() {
michael@0:   let content = "test_2";
michael@0:   let initial_content = decoder.decode(yield OS.File.read(pathStore));
michael@0:   let initial_backup_content = decoder.decode(yield OS.File.read(pathBackup));
michael@0: 
michael@0:   yield SessionFile.write(content);
michael@0: 
michael@0:   let written_content = decoder.decode(yield OS.File.read(pathStore));
michael@0:   do_check_eq(content, written_content);
michael@0: 
michael@0:   let backup_content = decoder.decode(yield OS.File.read(pathBackup));
michael@0:   do_check_eq(initial_backup_content, backup_content);
michael@0: });