LanguageConditionTest.php

<?php

namespace Drupal\Tests\language\Kernel\Condition;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests that the language condition, provided by the language module, is
 * working properly.
 *
 * @group language
 */
class LanguageConditionTest extends KernelTestBase {
    
    /**
     * The condition plugin manager.
     *
     * @var \Drupal\Core\Condition\ConditionManager
     */
    protected $manager;
    
    /**
     * The language manager.
     *
     * @var \Drupal\Core\Language\LanguageManagerInterface
     */
    protected $languageManager;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'system',
        'language',
    ];
    protected function setUp() {
        parent::setUp();
        $this->installConfig([
            'language',
        ]);
        // Setup Italian.
        ConfigurableLanguage::createFromLangcode('it')->save();
        $this->manager = $this->container
            ->get('plugin.manager.condition');
    }
    
    /**
     * Test the language condition.
     */
    public function testConditions() {
        // Grab the language condition and configure it to check the content
        // language.
        $language = \Drupal::languageManager()->getLanguage('en');
        $condition = $this->manager
            ->createInstance('language')
            ->setConfig('langcodes', [
            'en' => 'en',
            'it' => 'it',
        ])
            ->setContextValue('language', $language);
        $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is English, Italian.');
        // Change to Italian only.
        $condition->setConfig('langcodes', [
            'it' => 'it',
        ]);
        $this->assertFalse($condition->execute(), 'Language condition fails as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is Italian.');
        // Negate the condition
        $condition->setConfig('negate', TRUE);
        $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is not Italian.');
        // Change the default language to Italian.
        $language = \Drupal::languageManager()->getLanguage('it');
        $condition = $this->manager
            ->createInstance('language')
            ->setConfig('langcodes', [
            'en' => 'en',
            'it' => 'it',
        ])
            ->setContextValue('language', $language);
        $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is English, Italian.');
        // Change to Italian only.
        $condition->setConfig('langcodes', [
            'it' => 'it',
        ]);
        $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is Italian.');
        // Negate the condition
        $condition->setConfig('negate', TRUE);
        $this->assertFalse($condition->execute(), 'Language condition fails as expected.');
        // Check for the proper summary.
        $this->assertEqual($condition->summary(), 'The language is not Italian.');
    }

}