RestTestCase::request PHP Méthode

    protected function request($method, $url, $body = null, $headers = null)
    {
        if ($body instanceof DOMDocument) {
            $body = $body->saveXML();
        }
        try {
            $this->response = $this->client->createRequest($method, $url, $headers, $body)->send();
        } catch (ClientErrorResponseException $e) {
            if (!$this->capture_error_responses) {
                throw $e;
            }
            $this->response = $e->getResponse();
        } catch (ServerErrorResponseException $e) {
            if (!$this->capture_error_responses) {
                throw $e;
            }
            $this->response = $e->getResponse();
        }
        if (strpos($this->response->getContentType(), 'xml') !== false) {
            $this->doc = new DOMDocument();
            $this->doc->loadXML($this->response->getBody(true));
            if (static::$schema) {
                $this->assertTrue($this->doc->schemaValidate(Yii::app()->getBasePath() . '/' . static::$schema));
            }
        }
    }