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gaia/apps/homescreen/test/marionette/localization_test.js

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+'use strict';
+var assert = require('assert');
+
+marionette('Homescreen - Localization', function() {
+
+  var client = marionette.client({
+    profile: require(__dirname + '/client_options.js')
+  });
+  var actions, home, system;
+
+  setup(function() {
+    actions = client.loader.getActions();
+    home = client.loader.getAppClass('homescreen');
+    system = client.loader.getAppClass('system');
+    system.waitForFullyLoaded();
+    home.waitForLaunch();
+  });
+
+  test('Localization updates icon names', function() {
+    var settingsIcon = home.getIconByName('Settings');
+    assert.equal(
+      home.getIconText(settingsIcon),
+      home.localizedAppName('settings', 'en-US'));
+
+    client.switchToFrame();
+    client.executeScript(function() {
+      navigator.mozSettings.createLock().set({
+        'language.current': 'fr-x-psaccent'
+      });
+    });
+    client.switchToFrame(system.getHomescreenIframe());
+
+    // Localization can be async, wait for the content to update
+    var newIconName = home.localizedAppName('settings', 'fr-x-psaccent');
+    client.waitFor(function() {
+      return !!home.getIconByName(newIconName);
+    });
+  });
+});