MOBILE-4842 behat: Add the ability to change language

Author: crazyserver

.github/workflows/acceptance.yml

@@ -41,6 +41,12 @@ jobs:
         working-directory: app
         run: npm ci --no-audit
 
+      - name: Install languages
+        working-directory: app
+        run: |
+          npx gulp lang
+          npm run lang:update-langpacks
+
       - name: Build app
         working-directory: app
         run: npm run build:test

local_moodleappbehat/tests/behat/behat_app.php

@@ -1348,6 +1348,27 @@ public function i_open_the_calendar_for($month, $year) {
         $this->zone_js("navigator.navigateToSitePath('/calendar/index', $options)");
     }
 
+    /**
+     * Change language in the app
+     *
+     * @When /^I change language to "(.+)" in the app$/
+     * @param string $language Language code.
+     */
+    public function i_change_language(string $langcode) {
+        $this->spin(function() use ($langcode) {
+            $result = $this->runtime_js("changeLanguage('$langcode')");
+
+            if ($result !== 'OK') {
+                throw new DriverException('Error changing language - ' . $result);
+            }
+
+            return true;
+        });
+
+        // Wait the app to be restarted.
+        $this->prepare_browser();
+    }
+
     /**
      * Change the viewport size in the browser running the Moodle App.
      *

src/core/tests/behat/language.feature

@@ -0,0 +1,22 @@
+@core_lang @app @javascript
+Feature: Test language changes
+
+  Background:
+    Given the following "users" exist:
+      | username |
+      | student1 |
+
+  Scenario: User can change language
+    Given I entered the app as "student1"
+    When I press the more menu button in the app
+    And I press "App settings" in the app
+    And I press "General" in the app
+    And I press "Language" in the app
+    And I press "Català" in the app
+    And I press "Canvia a Català" in the app
+    And I wait the app to restart
+
+    Then I should find "Els meus cursos" in the app
+
+    When I change language to "es" in the app
+    Then I should find "Mis cursos" in the app

src/testing/services/behat-runtime.ts

@@ -33,6 +33,8 @@ import { LocalNotificationsMock } from '@features/emulator/services/local-notifi
 import { GetClosureArgs } from '@/core/utils/types';
 import { CoreIframeComponent } from '@components/iframe/iframe';
 import { CorePromiseUtils } from '@singletons/promise-utils';
+import { CoreLang } from '@services/lang';
+import { CoreEvents } from '@singletons/events';
 
 /**
  * Behat runtime servive with public API.
@@ -902,6 +904,28 @@ export class TestingBehatRuntimeService {
         return 'OK';
     }
 
+    /**
+     * Change app language.
+     *
+     * @param language Language code to set.
+     * @returns OK if successful.
+     */
+    async changeLanguage(language: string): Promise<string> {
+        this.log(`Action - Change language to: ${language}`);
+        await CoreLang.changeCurrentLanguage(language);
+
+        const sites = await CoreSites.getSitesInstances();
+        await CorePromiseUtils.ignoreErrors(Promise.all(sites.map((site) => site.invalidateWsCache())));
+
+        CoreEvents.trigger(CoreEvents.LANGUAGE_CHANGED, language);
+
+        CoreNavigator.navigate('/reload', {
+            reset: true,
+        });
+
+        return 'OK';
+    }
+
     /**
      * Wait for toast to be dismissed in the app.
      *