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Add tests for the StringToListTransformer class

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This commit is contained in:
Kévin Gomez
2015-10-12 21:43:24 +02:00
parent f530f7f5e1
commit 003fa77438
2 changed files with 62 additions and 2 deletions
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14
src/Wallabag/CoreBundle/Form/DataTransformer/StringToListTransformer.php
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@ -6,10 +6,20 @@ use Doctrine\Common\Persistence\ObjectManager;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
/**
* Transforms a comma-separated list to a proper PHP array.
* Example: the string "foo, bar" will become the array ["foo", "bar"]
*/
class StringToListTransformer implements DataTransformerInterface
{
/**
* @var string
*/
private $separator;
/**
* @param string $separator The separator used in the list.
*/
public function __construct($separator = ',')
{
$this->separator = $separator;
@ -40,10 +50,10 @@ class StringToListTransformer implements DataTransformerInterface
*/
public function reverseTransform($string)
{
if (!$string) {
if ($string === null) {
return null;
}
return array_filter(array_map('trim', explode($this->separator, $string)));
return array_values(array_filter(array_map('trim', explode($this->separator, $string))));
}
}