class RenderDeprecationTest

class RenderDeprecationTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'render_deprecation',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests deprecated render() function.
     */
    public function testRenderDeprecation() : void {
        $this->expectDeprecation('The render() function is deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. Use \\Drupal\\Core\\Render\\RendererInterface::render() instead. See https://www.drupal.org/node/2939099');
        $id = '#render-deprecation-test-result';
        $this->drupalGet(Url::fromRoute('render_deprecation.function')->getInternalPath());
        
        /** @var \Behat\Mink\Element\NodeElement $function_render */
        $function_render = $this->getSession()
            ->getPage()
            ->find('css', $id);
        $this->drupalGet(Url::fromRoute('render_deprecation.service')->getInternalPath());
        
        /** @var \Behat\Mink\Element\NodeElement $service_render */
        $service_render = $this->getSession()
            ->getPage()
            ->find('css', $id);
        $this->assertEquals($service_render->getOuterHtml(), $function_render->getOuterHtml());
    }

}