<?php
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Control\HTTPRequest;
// use SilverStripe\Control\HTTPClient;
// use DOMDocument;

class StyleTest extends SapphireTest
{
    public function testCssPropertyExists()
    {

        $this->get('/video-pages/');
        // Check if the request was successful
        $this->assertEquals(200, $this->response->getStatusCode());
        // Get the content of the response
        $content = $this->response->getBody();
        // Pass the response to the DOMDocument
        $dom = new DOMDocument();
        @$dom->loadHTML($response->getBody());

        // Perform the XPath query as before
        $xpath = new DOMXPath($dom);
        $elements = $xpath->query('//h1[contains(@class,"custom-heading-title")]');

        // Make the necessary assertions
        $this->assertTrue($elements->length > 0);

        foreach ($elements as $element) {
            $styleAttribute = $element->getAttribute('style');
            $this->assertStringContainsString('color: red;', $styleAttribute);
        }
    }
}
?>