fune/browser/components/sessionstore/test/browser_sessionStorage.js
2013-09-30 12:01:20 -04:00

78 lines
2.7 KiB
JavaScript

/* 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/. */
let Scope = {};
Cu.import("resource://gre/modules/Task.jsm", Scope);
Cu.import("resource://gre/modules/Promise.jsm", Scope);
let {Task, Promise} = Scope;
function waitForStorageChange(aTab) {
let deferred = Promise.defer();
waitForContentMessage(aTab.linkedBrowser,
"SessionStore:MozStorageChanged",
1000,
deferred.resolve);
return deferred.promise;
}
function test() {
waitForExplicitFinish();
let tab;
Task.spawn(function() {
try {
let SESSION_STORAGE_KEY = "SESSION_STORAGE_KEY " + Math.random();
let SESSION_STORAGE_VALUE = "SESSION_STORAGE_VALUE " + Math.random();
let LOCAL_STORAGE_KEY = "LOCAL_STORAGE_KEY " + Math.random();
let LOCAL_STORAGE_VALUE = "LOCAL_STORAGE_VALUE " + Math.random();
tab = gBrowser.addTab("http://example.com");
// about:home supports sessionStorage and localStorage
let win = tab.linkedBrowser.contentWindow;
// Flush loading and next save, call getBrowserState()
// a few times to ensure that everything is cached.
yield promiseBrowserLoaded(tab.linkedBrowser);
yield forceSaveState();
info("Calling getBrowserState() to populate cache");
ss.getBrowserState();
info("Change sessionStorage, ensure that state is saved");
let storageChangedPromise = waitForStorageChange(tab);
win.sessionStorage[SESSION_STORAGE_KEY] = SESSION_STORAGE_VALUE;
let storageChanged = yield storageChangedPromise;
ok(storageChanged, "Changing sessionStorage triggered the right message");
yield forceSaveState();
let state = ss.getBrowserState();
ok(state.indexOf(SESSION_STORAGE_KEY) != -1, "Key appears in state");
ok(state.indexOf(SESSION_STORAGE_VALUE) != -1, "Value appears in state");
info("Change localStorage, ensure that state is not saved");
storageChangedPromise = waitForStorageChange(tab);
win.localStorage[LOCAL_STORAGE_KEY] = LOCAL_STORAGE_VALUE;
storageChanged = yield storageChangedPromise;
ok(!storageChanged, "Changing localStorage did not trigger a message");
yield forceSaveState();
state = ss.getBrowserState();
ok(state.indexOf(LOCAL_STORAGE_KEY) == -1, "Key does not appear in state");
ok(state.indexOf(LOCAL_STORAGE_VALUE) == -1, "Value does not appear in state");
} catch (ex) {
ok(false, ex);
info(ex.stack);
} finally {
// clean up
if (tab) {
gBrowser.removeTab(tab);
}
executeSoon(finish);
}
});
}