test: added missing tests for TranslationController (#3317)

Author: thorsten

tests/phpMyFAQ/Controller/Frontend/TranslationControllerTest.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace phpMyFAQ\Controller\Frontend;
+
+use phpMyFAQ\Strings;
+use PHPUnit\Framework\MockObject\Exception;
+use PHPUnit\Framework\TestCase;
+use phpMyFAQ\Translation;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Response;
+
+class TranslationControllerTest extends TestCase
+{
+    /**
+     * @throws \phpMyFAQ\Core\Exception
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        Strings::init();
+
+        Translation::create()
+            ->setLanguagesDir(PMF_TRANSLATION_DIR)
+            ->setDefaultLanguage('en')
+            ->setCurrentLanguage('en')
+            ->setMultiByteLanguage();
+    }
+    /**
+     * @throws Exception
+     * @throws \phpMyFAQ\Core\Exception
+     */
+    public function testTranslationsWithSupportedLanguage(): void
+    {
+        $language = 'en';
+        Translation::getInstance()->setCurrentLanguage($language);
+        $translations = Translation::getAll();
+
+        $request = $this->createMock(Request::class);
+        $request->method('get')->with('language')->willReturn($language);
+
+        $controller = new TranslationController();
+        $response = $controller->translations($request);
+
+        $this->assertInstanceOf(JsonResponse::class, $response);
+        $this->assertEquals($translations, json_decode($response->getContent(), true));
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function testTranslationsWithUnsupportedLanguage(): void
+    {
+        $language = 'unsupported';
+
+        $request = $this->createMock(Request::class);
+        $request->method('get')->with('language')->willReturn($language);
+
+        $controller = new TranslationController();
+        $response = $controller->translations($request);
+
+        $this->assertInstanceOf(JsonResponse::class, $response);
+        $this->assertEquals(Response::HTTP_BAD_REQUEST, $response->getStatusCode());
+        $this->assertEquals(['error' => 'Language not supported'], json_decode($response->getContent(), true));
+    }
+}