vendor/symfony/form/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/ChoicesToValuesTransformerTest.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Form\Tests\Extension\Core\DataTransformer;
  13
  14 use Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList;
  15
  16 use Symfony\Component\Form\Extension\Core\DataTransformer\ChoicesToValuesTransformer;
  17
  18 class ChoicesToValuesTransformerTest extends \PHPUnit_Framework_TestCase
  19 {
  20     protected $transformer;
  21
  22     protected function setUp()
  23     {
  24         $list = new SimpleChoiceList(array(0 => 'A', 1 => 'B', 2 => 'C'));
  25         $this->transformer = new ChoicesToValuesTransformer($list);
  26     }
  27
  28     protected function tearDown()
  29     {
  30         $this->transformer = null;
  31     }
  32
  33     public function testTransform()
  34     {
  35         // Value strategy in SimpleChoiceList is to copy and convert to string
  36         $in = array(0, 1, 2);
  37         $out = array('0', '1', '2');
  38
  39         $this->assertSame($out, $this->transformer->transform($in));
  40     }
  41
  42     public function testTransformNull()
  43     {
  44         $this->assertSame(array(), $this->transformer->transform(null));
  45     }
  46
  47     /**
  48      * @expectedException \Symfony\Component\Form\Exception\TransformationFailedException
  49      */
  50     public function testTransformExpectsArray()
  51     {
  52         $this->transformer->transform('foobar');
  53     }
  54
  55     public function testReverseTransform()
  56     {
  57         // values are expected to be valid choices and stay the same
  58         $in = array('0', '1', '2');
  59         $out = array(0, 1, 2);
  60
  61         $this->assertSame($out, $this->transformer->reverseTransform($in));
  62     }
  63
  64     public function testReverseTransformNull()
  65     {
  66         $this->assertSame(array(), $this->transformer->reverseTransform(null));
  67     }
  68
  69     /**
  70      * @expectedException \Symfony\Component\Form\Exception\TransformationFailedException
  71      */
  72     public function testReverseTransformExpectsArray()
  73     {
  74         $this->transformer->reverseTransform('foobar');
  75     }
  76 }