Respect\Validation\Rules\SfTest::testValidationWithAnExistingValidationConstraint PHP Method

    public function testValidationWithAnExistingValidationConstraint()
    {
        $constraintName = 'Time';
        $validConstraintValue = '04:20:00';
        $invalidConstraintValue = 'yada';
        $this->assertTrue(v::sf($constraintName)->validate($validConstraintValue), sprintf('"%s" should be valid under "%s" constraint.', $validConstraintValue, $constraintName));
        $this->assertFalse(v::sf($constraintName)->validate($invalidConstraintValue), sprintf('"%s" should be invalid under "%s" constraint.', $invalidConstraintValue, $constraintName));
    }