ConfigurableLanguageUnitTest.php

<?php

namespace Drupal\Tests\language\Unit;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the ConfigurableLanguage entity class.
 *
 * @group language
 * @coversDefaultClass \Drupal\language\Entity\ConfigurableLanguage
 * @see \Drupal\language\Entity\ConfigurableLanguage.
 */
class ConfigurableLanguageUnitTest extends UnitTestCase {
    
    /**
     * @covers ::getDirection
     */
    public function testDirection() {
        // Direction of language writing, an integer. Usually either
        // ConfigurableLanguage::DIRECTION_LTR or
        // ConfigurableLanguage::DIRECTION_RTL.
        $configurableLanguage = new ConfigurableLanguage([
            'direction' => ConfigurableLanguage::DIRECTION_LTR,
        ], 'configurable_language');
        $this->assertEquals(ConfigurableLanguage::DIRECTION_LTR, $configurableLanguage->getDirection());
        // Test direction again, setting direction to RTL.
        $configurableLanguage = new ConfigurableLanguage([
            'direction' => ConfigurableLanguage::DIRECTION_RTL,
        ], 'configurable_language');
        $this->assertEquals(ConfigurableLanguage::DIRECTION_RTL, $configurableLanguage->getDirection());
    }
    
    /**
     * @covers ::getWeight
     * @covers ::setWeight
     */
    public function testWeight() {
        // The weight, an integer. Used to order languages with larger positive
        // weights sinking items toward the bottom of lists.
        $configurableLanguage = new ConfigurableLanguage([
            'weight' => -5,
        ], 'configurable_language');
        $this->assertEquals($configurableLanguage->getWeight(), -5);
        $this->assertEquals($configurableLanguage->setWeight(13)
            ->getWeight(), 13);
    }

}