use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\TestFailure;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Test\Constraint\ResponseIsRedirected;
class ResponseIsRedirectedTest extends TestCase
{ public function testConstraint() { $constraint =
new ResponseIsRedirected();
$this->
assertTrue($constraint->
evaluate(new Response('', 301
), '', true
));
$this->
assertFalse($constraint->
evaluate(new Response(), '', true
));
try { $constraint->
evaluate(new Response());
} catch (ExpectationFailedException
$e) { $this->
assertStringContainsString("Failed asserting that the Response is redirected.\nHTTP/1.0 200 OK", TestFailure::
exceptionToString($e));
return;
}