/**
* Test that response has status 302 Redirect and optionally that the
* location header is set to a specific URL.
*
* @param string $url
*/
protected function assertResponseRedirect($url = null)
{
$this->assertResponseStatusCode(302, "Failed asserting response status is redirect");
$this->assertTrue($this->response->isRedirect(), "Failed asserting response is redirect");
if (null !== $url) {
$location = $this->response->getHeaders()->get('location')->getFieldValue();
$this->assertEquals($url, $location, "Failed asserting redirect location '{$location}' is '{$url}'");
}
}