test: added missing tests for Twig extenstions

tests/phpMyFAQ/Template/FaqTwigExtensionTest.php

@@ -7,6 +7,8 @@
 
 class FaqTwigExtensionTest extends TestCase
 {
+    private FaqTwigExtension $extension;
+
     protected function setUp(): void
     {
         $this->extension = new FaqTwigExtension();

tests/phpMyFAQ/Template/FormatBytesTwigExtensionTest.php

@@ -7,6 +7,8 @@
 
 class FormatBytesTwigExtensionTest extends TestCase
 {
+    private FormatBytesTwigExtension $extension;
+
     protected function setUp(): void
     {
         $this->extension = new FormatBytesTwigExtension();

tests/phpMyFAQ/Template/FormatDateTwigExtensionTest.php

@@ -7,6 +7,8 @@
 
 class FormatDateTwigExtensionTest extends TestCase
 {
+    private FormatDateTwigExtension $extension;
+
     protected function setUp(): void
     {
         $this->extension = new FormatDateTwigExtension();

tests/phpMyFAQ/Template/IsoDateTwigExtensionTest.php

@@ -7,6 +7,8 @@
 
 class IsoDateTwigExtensionTest extends TestCase
 {
+    private IsoDateTwigExtension $extension;
+
     protected function setUp(): void
     {
         $this->extension = new IsoDateTwigExtension();

tests/phpMyFAQ/Template/LanguageCodeTwigExtensionTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace phpMyFAQ\Template;
+
+use PHPUnit\Framework\TestCase;
+use Twig\TwigFilter;
+use Twig\TwigFunction;
+
+class LanguageCodeTwigExtensionTest extends TestCase
+{
+    private LanguageCodeTwigExtension $extension;
+
+    protected function setUp(): void
+    {
+        $this->extension = new LanguageCodeTwigExtension();
+    }
+
+    public function testGetFunctions(): void
+    {
+        $functions = $this->extension->getFunctions();
+
+        $this->assertCount(1, $functions);
+
+        $this->assertInstanceOf(TwigFunction::class, $functions[0]);
+        $this->assertEquals('getFromLanguageCode', $functions[0]->getName());
+    }
+
+    public function testGetFilters(): void
+    {
+        $filters = $this->extension->getFilters();
+
+        $this->assertCount(1, $filters);
+
+        $this->assertInstanceOf(TwigFilter::class, $filters[0]);
+        $this->assertEquals('getFromLanguageCode', $filters[0]->getName());
+    }
+}

tests/phpMyFAQ/Template/PermissionTranslationTwigExtensionTest.php

@@ -7,6 +7,8 @@
 
 class PermissionTranslationTwigExtensionTest extends TestCase
 {
+    private PermissionTranslationTwigExtension $extension;
+
     protected function setUp(): void
     {
         $this->extension = new PermissionTranslationTwigExtension();

tests/phpMyFAQ/Template/TwigWrapperTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace phpMyFAQ\Template;
+
+use PHPUnit\Framework\TestCase;
+use Twig\TemplateWrapper;
+
+class TwigWrapperTest extends TestCase
+{
+    private TwigWrapper $twigWrapper;
+
+    /**
+     */
+    protected function setUp(): void
+    {
+        $this->twigWrapper = new TwigWrapper(PMF_TEST_DIR . '/assets/templates');
+    }
+
+    /**
+     * @throws TemplateException
+     */
+    public function testLoadTemplate(): void
+    {
+        $templateFile = 'template.twig';
+
+        $result = $this->twigWrapper->loadTemplate($templateFile);
+
+        $this->assertInstanceOf(TemplateWrapper::class, $result);
+    }
+}

tests/phpMyFAQ/Template/UserNameTwigExtensionTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace phpMyFAQ\Template;
+
+use PHPUnit\Framework\TestCase;
+use Twig\TwigFilter;
+
+class UserNameTwigExtensionTest extends TestCase
+{
+    private UserNameTwigExtension $extension;
+
+    protected function setUp(): void
+    {
+        $this->extension = new UserNameTwigExtension();
+    }
+
+    public function testGetFilters(): void
+    {
+        $filters = $this->extension->getFilters();
+
+        $this->assertCount(1, $filters);
+
+        $this->assertInstanceOf(TwigFilter::class, $filters[0]);
+        $this->assertEquals('userName', $filters[0]->getName());
+    }
+}