InstallTranslationFilePatternTest.php

<?php

namespace Drupal\Tests\system\Kernel\Installer;

use Drupal\Core\StringTranslation\Translator\FileTranslation;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests for installer language support.
 *
 * @group Installer
 */
class InstallTranslationFilePatternTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
    ];
    
    /**
     * @var \Drupal\Core\StringTranslation\Translator\FileTranslation
     */
    protected $fileTranslation;
    
    /**
     * @var \ReflectionMethod
     */
    protected $filePatternMethod;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->fileTranslation = new FileTranslation('filename', $this->container
            ->get('file_system'));
        $method = new \ReflectionMethod('\\Drupal\\Core\\StringTranslation\\Translator\\FileTranslation', 'getTranslationFilesPattern');
        $method->setAccessible(TRUE);
        $this->filePatternMethod = $method;
    }
    
    /**
     * @dataProvider providerValidTranslationFiles
     */
    public function testFilesPatternValid($langcode, $filename) {
        $pattern = $this->filePatternMethod
            ->invoke($this->fileTranslation, $langcode);
        $this->assertNotEmpty(preg_match($pattern, $filename));
    }
    
    /**
     * @return array
     */
    public function providerValidTranslationFiles() {
        return [
            [
                'hu',
                'drupal-8.0.0-alpha1.hu.po',
            ],
            [
                'ta',
                'drupal-8.10.10-beta12.ta.po',
            ],
            [
                'hi',
                'drupal-8.0.0.hi.po',
            ],
        ];
    }
    
    /**
     * @dataProvider providerInvalidTranslationFiles
     */
    public function testFilesPatternInvalid($langcode, $filename) {
        $pattern = $this->filePatternMethod
            ->invoke($this->fileTranslation, $langcode);
        $this->assertEmpty(preg_match($pattern, $filename));
    }
    
    /**
     * @return array
     */
    public function providerInvalidTranslationFiles() {
        return [
            [
                'hu',
                'drupal-alpha1-*-hu.po',
            ],
            [
                'ta',
                'drupal-beta12.ta',
            ],
            [
                'hi',
                'drupal-hi.po',
            ],
            [
                'de',
                'drupal-dummy-de.po',
            ],
            [
                'hu',
                'drupal-10.0.1.alpha1-hu.po',
            ],
        ];
    }

}