public function test_cost_should_be_converted_to_string_with_leading_zero_if_single_digit()
{
$hasher = new PasswordHasher(7);
$hashed = $hasher->hash('password');
$algoCost = substr($hashed, 0, 7);
$this->assertEquals('$2y$07$', $algoCost);
}
public function refreshIdentifier()
{
$hasher = new PasswordHasher();
$this->setIdentifier($hasher->hash($this->getUsername()));
}