InfoFormTest.php

<?php

namespace Drupal\Tests\advagg\Kernel\Form;

use Drupal\Core\Form\FormInterface;
use Drupal\KernelTests\KernelTestBase;
use Drupal\advagg\Form\InfoForm;

/**
 * Tests the Info settings form.
 *
 * @group advagg
 */
class InfoFormTest extends KernelTestBase {
    
    /**
     * The Info form object under test.
     *
     * @var \Drupal\advagg\Form\InfoForm
     */
    protected $infoForm;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'system',
        'advagg',
    ];
    
    /**
     * {@inheritdoc}
     *
     * @covers ::__construct
     */
    protected function setUp() {
        parent::setUp();
        $this->installConfig(static::$modules);
        $this->infoForm = InfoForm::create($this->container);
    }
    
    /**
     * Tests for \Drupal\advagg\Form\InfoForm.
     */
    public function testInfoForm() {
        $this->assertInstanceOf(FormInterface::class, $this->infoForm);
        $id = $this->infoForm
            ->getFormId();
        $this->assertEquals('advagg_info', $id);
        $method = new \ReflectionMethod(InfoForm::class, 'getEditableConfigNames');
        $method->setAccessible(TRUE);
        $name = $method->invoke($this->infoForm);
        $this->assertEquals([], $name);
    }

}