<?php

namespace Wallabag\CoreBundle\Tests\Form\DataTransformer;

use Wallabag\CoreBundle\Form\DataTransformer\StringToListTransformer;

class StringToListTransformerTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @dataProvider transformProvider
     */
    public function testTransformWithValidData($inputData, $expectedResult)
    {
        $transformer = new StringToListTransformer();

        $this->assertSame($expectedResult, $transformer->transform($inputData));
    }

    public function transformProvider()
    {
        return array(
            array(null,                                 ''),
            array(array(),                              ''),
            array(array('single value'),                'single value'),
            array(array('first value', 'second value'), 'first value,second value'),
        );
    }

    /**
     * @dataProvider reverseTransformProvider
     */
    public function testReverseTransformWithValidData($inputData, $expectedResult)
    {
        $transformer = new StringToListTransformer();

        $this->assertSame($expectedResult, $transformer->reverseTransform($inputData));
    }

    public function reverseTransformProvider()
    {
        return array(
            array(null,                            null),
            array('',                              array()),
            array('single value',                  array('single value')),
            array('first value,second value',      array('first value', 'second value')),
            array('first value,     second value', array('first value', 'second value')),
            array('first value,  ,  second value', array('first value', 'second value')),
        );
    }
}