MOBILE-3216 core: Check if user agent is controlled by automation

src/providers/app.ts

@@ -101,7 +101,9 @@ export class CoreAppProvider {
         }, 100);
 
         // Export the app provider so Behat tests can change the forceOffline flag.
-        (<any> window).appProvider = this;
+        if (CoreAppProvider.isAutomated()) {
+            (<any> window).appProvider = this;
+        }
     }
 
     /**
@@ -159,6 +161,15 @@ export class CoreAppProvider {
         return this.appCtrl.getRootNavs()[0];
     }
 
+    /**
+     * Returns whether the user agent is controlled by automation. I.e. Behat testing.
+     *
+     * @return {boolean} True if the user agent is controlled by automation, false otherwise.
+     */
+    static isAutomated(): boolean {
+        return !!navigator.webdriver;
+    }
+
     /**
      * Checks if the app is running in a 64 bits desktop environment (not browser).
      *

src/providers/lang.ts

@@ -17,6 +17,7 @@ import { TranslateService } from '@ngx-translate/core';
 import * as moment from 'moment';
 import { Globalization } from '@ionic-native/globalization';
 import { Platform, Config } from 'ionic-angular';
+import { CoreAppProvider } from '@providers/app';
 import { CoreConfigProvider } from './config';
 import { CoreConfigConstants } from '../configconstants';
 
@@ -39,6 +40,13 @@ export class CoreLangProvider {
         translate.use(this.defaultLanguage);
 
         platform.ready().then(() => {
+            if (CoreAppProvider.isAutomated()) {
+                // Force current language to English when Behat is running.
+                this.changeCurrentLanguage('en');
+
+                return;
+            }
+
             this.getCurrentLanguage().then((language) => {
                 this.changeCurrentLanguage(language);
             });