SiteNameTest.php

<?php

namespace Drupal\FunctionalTests\Installer;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests that the site name can be set during a non-interactive installation.
 *
 * @group Installer
 */
class SiteNameTest extends BrowserTestBase {
    
    /**
     * The site name to be used when testing.
     *
     * @var string
     */
    protected $siteName;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function installParameters() {
        $this->siteName = $this->randomMachineName();
        $parameters = parent::installParameters();
        $parameters['forms']['install_configure_form']['site_name'] = $this->siteName;
        return $parameters;
    }
    
    /**
     * Tests that the desired site name appears on the page after installation.
     */
    public function testSiteName() {
        $this->drupalGet('');
        $this->assertSession()
            ->pageTextContains($this->siteName);
    }

}