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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Tests\Extension\Core\DataTransformer;
use Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList;
use Symfony\Component\Form\Extension\Core\DataTransformer\ChoicesToValuesTransformer;
class ChoicesToValuesTransformerTest extends \PHPUnit_Framework_TestCase
{
protected $transformer;
protected function setUp()
{
$list = new SimpleChoiceList(array(0 => 'A', 1 => 'B', 2 => 'C'));
$this->transformer = new ChoicesToValuesTransformer($list);
}
protected function tearDown()
{
$this->transformer = null;
}
public function testTransform()
{
// Value strategy in SimpleChoiceList is to copy and convert to string
$in = array(0, 1, 2);
$out = array('0', '1', '2');
$this->assertSame($out, $this->transformer->transform($in));
}
public function testTransformNull()
{
$this->assertSame(array(), $this->transformer->transform(null));
}
/**
* @expectedException \Symfony\Component\Form\Exception\TransformationFailedException
*/
public function testTransformExpectsArray()
{
$this->transformer->transform('foobar');
}
public function testReverseTransform()
{
// values are expected to be valid choices and stay the same
$in = array('0', '1', '2');
$out = array(0, 1, 2);
$this->assertSame($out, $this->transformer->reverseTransform($in));
}
public function testReverseTransformNull()
{
$this->assertSame(array(), $this->transformer->reverseTransform(null));
}
/**
* @expectedException \Symfony\Component\Form\Exception\TransformationFailedException
*/
public function testReverseTransformExpectsArray()
{
$this->transformer->reverseTransform('foobar');
}
}
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