Unit test for violations_to_array function

violationsToArrayFunctionTest.php

<?php

require 'violations_to_array.php';

use Symfony\Component\Validator\ConstraintViolation;
use Symfony\Component\Validator\ConstraintViolationList;

class ConstraintViolationListTest extends \PHPUnit_Framework_TestCase
{
    protected $list;

    protected function setUp()
    {
        $this->list = new ConstraintViolationList();
    }

    protected function tearDown()
    {
        $this->list = null;
    }

    public function testToArray()
    {
        $this->list = new ConstraintViolationList(array(
            $this->getViolation('Error 1', 'Root', 'foo'),
            $this->getViolation('Error 2', 'Root', 'foo'),
            $this->getViolation('Error 3', 'Root', 'bar'),
            $this->getViolation('Error 4', 'Root 2', 'foo'),
            $this->getViolation('Error 5', 'Root 3', 'baz'),
        ));

        $expectedNoFilters = array(
            'foo' => array('Error 1', 'Error 2', 'Error 4'),
            'bar' => array('Error 3'),
            'baz' => array('Error 5')
        );
        $this->assertEquals($expectedNoFilters, violations_to_array($this->list));

        $expectedFilterPropertyPath = array(
            'foo' => array('Error 1', 'Error 2', 'Error 4')
        );
        $this->assertEquals($expectedFilterPropertyPath, violations_to_array($this->list, 'foo'));

        //Wrong value causes to return empty array
        $this->assertEquals(array(), violations_to_array($this->list, 'wrong'));
    }

    protected function getViolation($message, $root = null, $propertyPath = null)
    {
        return new ConstraintViolation($message, $message, array(), $root, $propertyPath, null);
    }
}