HtmlSanitizerConfig example

namespace Symfony\Component\HtmlSanitizer\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;

class HtmlSanitizerAllTest extends TestCase
{
    private function createSanitizer(): HtmlSanitizer
    {
        return new HtmlSanitizer(
            (new HtmlSanitizerConfig())
                ->allowStaticElements()
                ->allowLinkHosts(['trusted.com', 'external.com'])
                ->allowMediaHosts(['trusted.com', 'external.com'])
                ->allowRelativeLinks()
                ->allowRelativeMedias()
                ->forceHttpsUrls()
        );
    }

    /** * @dataProvider provideSanitizeHead */

namespace Symfony\Component\HtmlSanitizer\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
use Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer\AttributeSanitizerInterface;

class HtmlSanitizerCustomTest extends TestCase
{
    public function testSanitizeForHead()
    {
        $config = (new HtmlSanitizerConfig())
            ->allowElement('div')
        ;

        $this->assertSame(
            ' world',
            (new HtmlSanitizer($config))->sanitizeFor('head', '<div style="width: 100px">Hello</div> world')
        );
    }

    public function testSanitizeForTextarea()
    {
        

namespace Symfony\Component\HtmlSanitizer\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
use Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer\AttributeSanitizerInterface;

class HtmlSanitizerConfigTest extends TestCase
{
    public function testCreateEmpty()
    {
        $config = new HtmlSanitizerConfig();
        $this->assertSame([], $config->getAllowedElements());
        $this->assertSame([], $config->getBlockedElements());
        $this->assertSame(['http', 'https', 'mailto', 'tel'], $config->getAllowedLinkSchemes());
        $this->assertNull($config->getAllowedLinkHosts());
        $this->assertSame(['http', 'https', 'data'], $config->getAllowedMediaSchemes());
        $this->assertNull($config->getAllowedMediaHosts());
        $this->assertFalse($config->getForceHttpsUrls());
    }

    public function testSimpleOptions()
    {