ContactLanguageTest.php

<?php

namespace Drupal\Tests\contact\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests contact messages with language module.
 *
 * This is to ensure that a contact form by default does not show the language
 * select, but it does so when it's enabled from the content language settings
 * page.
 *
 * @group contact
 */
class ContactLanguageTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'contact',
        'language',
        'contact_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Create and log in administrative user.
        $admin_user = $this->drupalCreateUser([
            'access site-wide contact form',
            'administer languages',
        ]);
        $this->drupalLogin($admin_user);
    }
    
    /**
     * Tests configuration options with language enabled.
     */
    public function testContactLanguage() {
        // Ensure that contact form by default does not show the language select.
        $this->drupalGet('contact');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertNoField('edit-langcode-0-value');
        // Enable language select from content language settings page.
        $settings_path = 'admin/config/regional/content-language';
        $edit['entity_types[contact_message]'] = TRUE;
        $edit['settings[contact_message][feedback][settings][language][language_alterable]'] = TRUE;
        $this->drupalPostForm($settings_path, $edit, t('Save configuration'));
        // Ensure that contact form now shows the language select.
        $this->drupalGet('contact');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertField('edit-langcode-0-value');
    }

}