fune/browser/components/newtab/tests/xpcshell/test_NewTabPrefsProvider.js
2015-11-13 05:39:41 -05:00

51 lines
1.5 KiB
JavaScript

"use strict";
/* global XPCOMUtils, equal, Preferences, NewTabPrefsProvider, run_next_test */
/* exported run_test */
/* jscs:disable requireCamelCaseOrUpperCaseIdentifiers */
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Preferences.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "NewTabPrefsProvider",
"resource:///modules/NewTabPrefsProvider.jsm");
function run_test() {
run_next_test();
}
add_task(function* test_observe() {
let prefsMap = NewTabPrefsProvider.prefs.prefsMap;
for (let prefName of prefsMap.keys()) {
let prefValueType = prefsMap.get(prefName);
let beforeVal;
let afterVal;
switch (prefValueType) {
case "bool":
beforeVal = false;
afterVal = true;
Preferences.set(prefName, beforeVal);
break;
case "localized":
case "str":
beforeVal = "";
afterVal = "someStr";
Preferences.set(prefName, beforeVal);
break;
}
NewTabPrefsProvider.prefs.init();
let promise = new Promise(resolve => {
NewTabPrefsProvider.prefs.once(prefName, (name, data) => { // jshint ignore:line
resolve([name, data]);
});
});
Preferences.set(prefName, afterVal);
let [actualName, actualData] = yield promise;
equal(prefName, actualName, `emitter sent the correct pref: ${prefName}`);
equal(afterVal, actualData, `emitter collected correct pref data for ${prefName}`);
NewTabPrefsProvider.prefs.uninit();
}
});