/**
* Test real nullable case.
* @coversNothing
*/
public function testNullable()
{
// Null before validation.
static::assertTrue(Validation::nullable()->cpf()->validate('')->isSuccess());
static::assertTrue(Validation::nullable()->cpf()->validate(' ')->isSuccess());
// Null will pass and will fail in validation.
static::assertFalse(Validation::nullable()->cpf()->validate('fail')->isSuccess());
// Fail in validation before null check.
static::assertFalse(Validation::cpf()->nullable()->validate('')->isSuccess());
}
/**
* Test nullable rule.
* @covers Rentalhost\VanillaValidation\ValidationFieldRuleList::validate
* @covers Rentalhost\VanillaValidation\Result\Nullable::__construct
* @covers Rentalhost\VanillaValidation\Rule\NullableRule::validate
*/
public function testNullable()
{
// Both are invalid, because both is not nullable ('hello' != empty).
$validation = Validation::nullable()->minLength(8)->validate('hello');
static::assertCount(1, $validation->getFails());
$validation = Validation::minLength(8)->nullable()->validate('hello');
static::assertCount(1, $validation->getFails());
// But here, one first will works, because it check by nullable first,
// then the next rule is ignored ('' == empty).
$validation = Validation::nullable()->minLength(8)->validate('');
static::assertCount(0, $validation->getFails());
$validation = Validation::minLength(8)->nullable()->validate('');
static::assertCount(1, $validation->getFails());
}
