8000 Implement validation constraint for testing divisibility · symfony/symfony@36e369e · GitHub
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colinodellcolinodell
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Implement validation constraint for testing divisibility
This constraint will check whether one number is a multiple of (aka divisible by) some other number.
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‎src/Symfony/Component/Validator/Constraints/MultipleOf.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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/**
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* @Annotation
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* @Target({"PROPERTY", "METHOD", "ANNOTATION"})
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*
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* @author Colin O'Dell <colinodell@gmail.com>
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*/
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class MultipleOf extends AbstractComparison
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{
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const NOT_MULTIPLE_OF = '6d99d6c3-1464-4ccf-bdc7-14d083cf455c';
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protected static $errorNames = array(
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self::NOT_MULTIPLE_OF => 'NOT_MULTIPLE_OF',
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);
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public $message = 'This value should be a multiple of {{ compared_value }}.';
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}

‎src/Symfony/Component/Validator/Constraints/MultipleOfValidator.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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/**
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* Validates that values are a multiple of the given number.
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*
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* @author Colin O'Dell <colinodell@gmail.com>
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*/
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class MultipleOfValidator extends AbstractComparisonValidator
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{
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/**
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* {@inheritdoc}
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*/
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protected function compareValues($value1, $value2)
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{
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return 0 == fmod($value1, $value2);
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}
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/**
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* {@inheritdoc}
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*/
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protected function getErrorCode()
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{
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return MultipleOf::NOT_MULTIPLE_OF;
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}
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}

‎src/Symfony/Component/Validator/Tests/Constraints/MultipleOfValidatorTest.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Tests\Constraints;
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use Symfony\Component\Validator\Constraints\MultipleOf;
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use Symfony\Component\Validator\Constraints\MultipleOfValidator;
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/**
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* @author Colin O'Dell <colinodell@gmail.com>
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*/
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class MultipleOfValidatorTest extends AbstractComparisonValidatorTestCase
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{
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protected function createValidator()
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{
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return new MultipleOfValidator();
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}
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protected function createConstraint(array $options = null)
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{
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return new MultipleOf($options);
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}
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protected function getErrorCode()
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{
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return MultipleOf::NOT_MULTIPLE_OF;
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}
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/**
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* {@inheritdoc}
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*/
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public function provideValidComparisons()
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{
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return array(
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array(-7, 1),
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array(0, 3.1415),
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array(42, 42),
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array(42, 21),
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array(3.25, 0.25),
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array('100', '10'),
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function provideValidComparisonsToPropertyPath()
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{
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return array(
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array(25),
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function provideInvalidComparisons()
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{
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return array(
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array(1, '1', 2, '2', 'integer'),
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array(10, '10', 3, '3', 'integer'),
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array(10, '10', 0, '0', 'integer'),
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array(42, '42', INF, 'INF', 'double'),
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array('22', '"22"', '10', '"10"', 'string'),
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);
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}
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}

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