public function testLocalProxyContentToValidateHasModifiedStylesheetUrls()
 {
     $sourceContentToValidate = file_get_contents($this->getFixturesDataPath() . '/WebResourceContent/content-with-stylesheets.html');
     $this->wrapper->getConfiguration()->setContentToValidate($sourceContentToValidate);
     $this->wrapper->validate();
     $modifiedContentToValidate = $this->wrapper->getLocalProxyResource()->getConfiguration()->getContentToValidate();
     $sourceDomLinkUrls = array();
     $sourceDom = new \DOMDocument();
     $sourceDom->loadHTML($sourceContentToValidate);
     foreach ($sourceDom->getElementsByTagName('link') as $linkElement) {
         $sourceDomLinkUrls[] = $linkElement->getAttribute('href');
     }
     $modifiedDomLinkUrls = array();
     $modifiedDom = new \DOMDocument();
     $modifiedDom->loadHTML($modifiedContentToValidate);
     foreach ($modifiedDom->getElementsByTagName('link') as $linkElement) {
         $modifiedDomLinkUrls[] = $linkElement->getAttribute('href');
     }
     foreach ($sourceDomLinkUrls as $sourceDomLinkUrl) {
         $this->assertFalse(in_array($sourceDomLinkUrl, $modifiedDomLinkUrls));
     }
     foreach ($modifiedDomLinkUrls as $modifiedDomLinkUrl) {
         $this->assertFalse(in_array($modifiedDomLinkUrl, $sourceDomLinkUrls));
         $url = new Url($modifiedDomLinkUrl);
         $this->assertEquals('file', $url->getScheme());
     }
 }