The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/components/sessionstore/test/browser_upgrade_backup.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,49 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +Cu.import("resource://gre/modules/Services.jsm", this);
     1.8 +Cu.import("resource://gre/modules/osfile.jsm", this);
     1.9 +Cu.import("resource://gre/modules/Task.jsm", this);
    1.10 +
    1.11 +function test() {
    1.12 +  waitForExplicitFinish();
    1.13 +
    1.14 +  Task.spawn(function task() {
    1.15 +    try {
    1.16 +      // Wait until initialization is complete
    1.17 +      yield SessionStore.promiseInitialized;
    1.18 +
    1.19 +      const PREF_UPGRADE = "browser.sessionstore.upgradeBackup.latestBuildID";
    1.20 +      let buildID = Services.appinfo.platformBuildID;
    1.21 +
    1.22 +      // Write state once before starting the test to
    1.23 +      // ensure sessionstore.js writes won't happen in between.
    1.24 +      yield forceSaveState();
    1.25 +
    1.26 +      // Force backup to take place with a file decided by us
    1.27 +      Services.prefs.setCharPref(PREF_UPGRADE, "");
    1.28 +      let contents = "browser_upgrade_backup.js";
    1.29 +      let pathStore = OS.Path.join(OS.Constants.Path.profileDir, "sessionstore.js");
    1.30 +      yield OS.File.writeAtomic(pathStore, contents, { tmpPath: pathStore + ".tmp" });
    1.31 +      yield SessionStore._internal._performUpgradeBackup();
    1.32 +      is(Services.prefs.getCharPref(PREF_UPGRADE), buildID, "upgrade backup should be set (again)");
    1.33 +
    1.34 +      let pathBackup = OS.Path.join(OS.Constants.Path.profileDir, "sessionstore.bak-" + Services.appinfo.platformBuildID);
    1.35 +      is((yield OS.File.exists(pathBackup)), true, "upgrade backup file has been created");
    1.36 +
    1.37 +      let data = yield OS.File.read(pathBackup);
    1.38 +      is(new TextDecoder().decode(data), contents, "upgrade backup contains the expected contents");
    1.39 +
    1.40 +      // Ensure that we don't re-backup by accident
    1.41 +      yield OS.File.writeAtomic(pathStore, "something else entirely", { tmpPath: pathStore + ".tmp" });
    1.42 +      yield SessionStore._internal._performUpgradeBackup();
    1.43 +      data = yield OS.File.read(pathBackup);
    1.44 +      is(new TextDecoder().decode(data), contents, "upgrade backup hasn't changed");
    1.45 +
    1.46 +    } catch (ex) {
    1.47 +      ok(false, "Uncaught error: " + ex + " at " + ex.stack);
    1.48 +    } finally {
    1.49 +      finish();
    1.50 +    }
    1.51 +  });
    1.52 +}