LanguageLocaleListTest.php

<?php

namespace Drupal\Tests\language\Functional;

use Drupal\Core\Url;
use Drupal\Tests\BrowserTestBase;

/**
 * Adds a new language with translations and tests language list order.
 *
 * @group language
 */
class LanguageLocaleListTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'language',
        'locale',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Add a default locale storage for all these tests.
        $this->storage = $this->container
            ->get('locale.storage');
    }
    
    /**
     * Tests adding, editing, and deleting languages.
     */
    public function testLanguageLocaleList() {
        // User to add and remove language.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($admin_user);
        // Add predefined language.
        $edit = [
            'predefined_langcode' => 'fr',
        ];
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
        $this->assertText('The language French has been created and can now be used');
        $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], [
            'absolute' => TRUE,
        ])->toString());
        $this->rebuildContainer();
        // Translate Spanish language to French (Espagnol).
        $source = $this->storage
            ->createString([
            'source' => 'Spanish',
            'context' => '',
        ])
            ->save();
        $this->storage
            ->createTranslation([
            'lid' => $source->lid,
            'language' => 'fr',
            'translation' => 'Espagnol',
        ])
            ->save();
        // Get language list displayed in select list.
        $this->drupalGet('fr/admin/config/regional/language/add');
        $option_elements = $this->xpath('//select[@id="edit-predefined-langcode/option"]');
        $options = [];
        foreach ($option_elements as $option_element) {
            $options[] = $option_element->getText();
        }
        // Remove the 'Custom language...' option form the end.
        array_pop($options);
        // Order language list.
        $options_ordered = $options;
        natcasesort($options_ordered);
        // Check the language list displayed is ordered.
        $this->assertTrue($options === $options_ordered, 'Language list is ordered.');
    }

}