LanguageCustomLanguageConfigurationTest.php

<?php

namespace Drupal\Tests\language\Functional;

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

/**
 * Adds and configures custom languages.
 *
 * @group language
 */
class LanguageCustomLanguageConfigurationTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Functional tests for adding, editing and deleting languages.
     */
    public function testLanguageConfiguration() {
        // Create user with permissions to add and remove languages.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($admin_user);
        // Add custom language.
        $edit = [
            'predefined_langcode' => 'custom',
        ];
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
        // Test validation on missing values.
        $this->assertText(t('@name field is required.', [
            '@name' => t('Language code'),
        ]));
        $this->assertText(t('@name field is required.', [
            '@name' => t('Language name'),
        ]));
        $empty_language = new Language();
        $this->assertFieldChecked('edit-direction-' . $empty_language->getDirection(), 'Consistent usage of language direction.');
        $this->assertUrl(Url::fromRoute('language.add', [], [
            'absolute' => TRUE,
        ])->toString(), [], 'Correct page redirection.');
        // Test validation of invalid values.
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => 'white space',
            'label' => '<strong>evil markup</strong>',
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
        $this->assertRaw(t('%field must be a valid language tag as <a href=":url">defined by the W3C</a>.', [
            '%field' => t('Language code'),
            ':url' => 'http://www.w3.org/International/articles/language-tags/',
        ]));
        $this->assertRaw(t('%field cannot contain any markup.', [
            '%field' => t('Language name'),
        ]));
        $this->assertUrl(Url::fromRoute('language.add', [], [
            'absolute' => TRUE,
        ])->toString(), [], 'Correct page redirection.');
        // Test adding a custom language with a numeric region code.
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => 'es-419',
            'label' => 'Latin American Spanish',
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
        $this->assertRaw(t('The language %language has been created and can now be used.', [
            '%language' => $edit['label'],
        ]));
        $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], [
            'absolute' => TRUE,
        ])->toString(), [], 'Correct page redirection.');
        // Test validation of existing language values.
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => 'de',
            'label' => 'German',
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        // Add the language the first time.
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
        $this->assertRaw(t('The language %language has been created and can now be used.', [
            '%language' => $edit['label'],
        ]));
        $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], [
            'absolute' => TRUE,
        ])->toString(), [], 'Correct page redirection.');
        // Add the language a second time and confirm that this is not allowed.
        $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
        $this->assertRaw(t('The language %language (%langcode) already exists.', [
            '%language' => $edit['label'],
            '%langcode' => $edit['langcode'],
        ]));
        $this->assertUrl(Url::fromRoute('language.add', [], [
            'absolute' => TRUE,
        ])->toString(), [], 'Correct page redirection.');
    }

}