ColorConfigSchemaTest.php

<?php

namespace Drupal\Tests\color\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Ensures the color config schema is correct.
 *
 * @group color
 */
class ColorConfigSchemaTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    public static $modules = [
        'color',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with administrative permissions.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        \Drupal::service('theme_installer')->install([
            'bartik',
        ]);
        // Create user.
        $this->adminUser = $this->drupalCreateUser([
            'administer themes',
        ]);
        $this->drupalLogin($this->adminUser);
    }
    
    /**
     * Tests whether the color config schema is valid.
     */
    public function testValidColorConfigSchema() {
        $settings_path = 'admin/appearance/settings/bartik';
        $edit['scheme'] = '';
        $edit['palette[bg]'] = '#123456';
        $this->drupalPostForm($settings_path, $edit, t('Save configuration'));
    }

}