MediaTypeCreationTest.php

<?php

namespace Drupal\Tests\media\Functional;

use Drupal\media\Entity\MediaType;

/**
 * Ensures that media UI works correctly without JavaScript.
 *
 * @group media
 */
class MediaTypeCreationTest extends MediaFunctionalTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'media_test_source',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests the media type creation form with only the mandatory options.
     */
    public function testMediaTypeCreationForm() {
        $machine_name = mb_strtolower($this->randomMachineName());
        $this->drupalGet('/admin/structure/media/add');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->fieldExists('label')
            ->setValue($this->randomString());
        $this->assertSession()
            ->fieldExists('id')
            ->setValue($machine_name);
        $this->assertSession()
            ->selectExists('source')
            ->selectOption('test');
        $this->assertSession()
            ->buttonExists('Save')
            ->press();
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->fieldValueEquals('Test config value', 'This is default value.');
        $this->assertSession()
            ->buttonExists('Save')
            ->press();
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->addressEquals('admin/structure/media');
        $this->assertInstanceOf(MediaType::class, MediaType::load($machine_name));
    }

}