LanguageBlockSettingsVisibilityTest.php

<?php

namespace Drupal\Tests\language\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests that the language settings on block config appears correctly.
 *
 * @group language
 */
class LanguageBlockSettingsVisibilityTest extends BrowserTestBase {
    public static $modules = [
        'block',
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    public function testUnnecessaryLanguageSettingsVisibility() {
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
            'administer blocks',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalPostForm('admin/config/regional/language/add', [
            'predefined_langcode' => 'hu',
        ], t('Add language'));
        $this->drupalGet('admin/structure/block/add/system_menu_block:admin/stark');
        $this->assertNoFieldByXPath('//input[@id="edit-visibility-language-langcodes-und"]', NULL, '\'Not specified\' option does not appear at block config, language settings section.');
        $this->assertNoFieldByXpath('//input[@id="edit-visibility-language-langcodes-zxx"]', NULL, '\'Not applicable\' option does not appear at block config, language settings section.');
        $this->assertFieldByXPath('//input[@id="edit-visibility-language-langcodes-en"]', NULL, '\'English\' option appears at block config, language settings section.');
        $this->assertFieldByXpath('//input[@id="edit-visibility-language-langcodes-hu"]', NULL, '\'Hungarian\' option appears at block config, language settings section.');
    }

}