[Form] Implemented ArrayToPartsTransformer and ValueToDuplicatesTransformer
This commit is contained in:
Bernhard Schussek
parent
5a2404a1d6
commit
b5671c1be0
@ -0,0 +1,84 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Form\ValueTransformer;
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use Symfony\Component\Form\Exception\UnexpectedTypeException;
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/**
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* @author Bernhard Schussek <bernhard.schussek@symfony-project.com>
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*/
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class ArrayToPartsTransformer implements ValueTransformerInterface
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{
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private $partMapping;
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public function __construct(array $partMapping)
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{
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$this->partMapping = $partMapping;
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}
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public function transform($array)
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{
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if (null === $array) {
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$array = array();
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}
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if (!is_array($array) ) {
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throw new UnexpectedTypeException($array, 'array');
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}
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$result = array();
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foreach ($this->partMapping as $partKey => $originalKeys) {
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if (empty($array)) {
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$result[$partKey] = null;
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} else {
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$result[$partKey] = array_intersect_key($array, array_flip($originalKeys));
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}
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}
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return $result;
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}
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public function reverseTransform($array)
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{
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if (!is_array($array) ) {
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throw new UnexpectedTypeException($array, 'array');
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}
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$result = array();
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$emptyKeys = array();
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foreach ($this->partMapping as $partKey => $originalKeys) {
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if (!empty($array[$partKey])) {
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foreach ($originalKeys as $originalKey) {
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if (isset($array[$partKey][$originalKey])) {
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$result[$originalKey] = $array[$partKey][$originalKey];
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}
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}
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} else {
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$emptyKeys[] = $partKey;
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}
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}
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if (count($emptyKeys) > 0) {
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if (count($emptyKeys) === count($this->partMapping)) {
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// All parts empty
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return null;
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}
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throw new TransformationFailedException(sprintf(
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'The keys "%s" should not be empty', implode('", "', $emptyKeys)));
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}
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return $result;
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}
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}
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@ -0,0 +1,71 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Form\ValueTransformer;
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use Symfony\Component\Form\Exception\UnexpectedTypeException;
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/**
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* @author Bernhard Schussek <bernhard.schussek@symfony-project.com>
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*/
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class ValueToDuplicatesTransformer implements ValueTransformerInterface
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{
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private $keys;
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public function __construct(array $keys)
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{
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$this->keys = $keys;
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}
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public function transform($value)
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{
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$result = array();
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foreach ($this->keys as $key) {
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$result[$key] = $value;
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}
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return $result;
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}
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public function reverseTransform($array)
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{
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if (!is_array($array) ) {
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throw new UnexpectedTypeException($array, 'array');
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}
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$result = current($array);
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$emptyKeys = array();
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foreach ($this->keys as $key) {
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if (!empty($array[$key])) {
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if ($array[$key] !== $result) {
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throw new TransformationFailedException(
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'All values in the array should be the same');
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}
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} else {
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$emptyKeys[] = $key;
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}
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}
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if (count($emptyKeys) > 0) {
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if (count($emptyKeys) === count($this->keys)) {
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// All keys empty
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return null;
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}
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throw new TransformationFailedException(sprintf(
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'The keys "%s" should not be empty', implode('", "', $emptyKeys)));
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}
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return $result;
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}
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}
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@ -0,0 +1,144 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Tests\Component\Form\ValueTransformer;
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use Symfony\Component\Form\ValueTransformer\ArrayToPartsTransformer;
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class ArrayToPartsTransformerTest extends \PHPUnit_Framework_TestCase
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{
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private $transformer;
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protected function setUp()
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{
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$this->transformer = new ArrayToPartsTransformer(array(
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'first' => array('a', 'b', 'c'),
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'second' => array('d', 'e', 'f'),
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));
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}
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public function testTransform()
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{
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$input = array(
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'a' => '1',
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'b' => '2',
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'c' => '3',
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'd' => '4',
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'e' => '5',
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'f' => '6',
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);
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$output = array(
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'first' => array(
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'a' => '1',
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'b' => '2',
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'c' => '3',
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),
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'second' => array(
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'd' => '4',
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'e' => '5',
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'f' => '6',
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),
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);
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$this->assertSame($output, $this->transformer->transform($input));
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}
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public function testTransform_empty()
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{
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$output = array(
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'first' => null,
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'second' => null,
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);
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$this->assertSame($output, $this->transformer->transform(null));
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}
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/**
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* @expectedException Symfony\Component\Form\Exception\UnexpectedTypeException
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*/
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public function testTransformRequiresArray()
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{
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$this->transformer->transform('12345');
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}
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public function testReverseTransform()
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{
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$input = array(
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'first' => array(
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'a' => '1',
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'b' => '2',
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'c' => '3',
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),
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'second' => array(
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'd' => '4',
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'e' => '5',
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'f' => '6',
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),
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);
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$output = array(
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'a' => '1',
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'b' => '2',
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'c' => '3',
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'd' => '4',
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'e' => '5',
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'f' => '6',
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);
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$this->assertSame($output, $this->transformer->reverseTransform($input));
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}
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public function testReverseTransform_completelyEmpty()
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{
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$input = array(
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'first' => '',
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'second' => '',
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);
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$this->assertNull($this->transformer->reverseTransform($input));
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}
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public function testReverseTransform_completelyNull()
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{
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$input = array(
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'first' => null,
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'second' => null,
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);
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$this->assertNull($this->transformer->reverseTransform($input));
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}
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/**
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* @expectedException Symfony\Component\Form\ValueTransformer\TransformationFailedException
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*/
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public function testReverseTransform_partiallyNull()
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{
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$input = array(
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'first' => array(
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'a' => '1',
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'b' => '2',
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'c' => '3',
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),
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'second' => null,
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);
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$this->transformer->reverseTransform($input);
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}
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/**
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* @expectedException Symfony\Component\Form\Exception\UnexpectedTypeException
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*/
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public function testReverseTransformRequiresArray()
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{
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$this->transformer->reverseTransform('12345');
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}
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}
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@ -0,0 +1,115 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Tests\Component\Form\ValueTransformer;
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use Symfony\Component\Form\ValueTransformer\ValueToDuplicatesTransformer;
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class ValueToDuplicatesTransformerTest extends \PHPUnit_Framework_TestCase
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{
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private $transformer;
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protected function setUp()
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{
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$this->transformer = new ValueToDuplicatesTransformer(array('a', 'b', 'c'));
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}
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public function testTransform()
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{
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$output = array(
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'a' => 'Foo',
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'b' => 'Foo',
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'c' => 'Foo',
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);
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$this->assertSame($output, $this->transformer->transform('Foo'));
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}
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public function testTransform_empty()
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{
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$output = array(
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'a' => null,
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'b' => null,
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'c' => null,
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);
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$this->assertSame($output, $this->transformer->transform(null));
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}
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public function testReverseTransform()
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{
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$input = array(
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'a' => 'Foo',
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'b' => 'Foo',
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'c' => 'Foo',
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);
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$this->assertSame('Foo', $this->transformer->reverseTransform($input));
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}
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public function testReverseTransform_completelyEmpty()
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{
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$input = array(
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'a' => '',
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'b' => '',
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'c' => '',
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);
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$this->assertNull($this->transformer->reverseTransform($input));
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}
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public function testReverseTransform_completelyNull()
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{
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$input = array(
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'a' => null,
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'b' => null,
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'c' => null,
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);
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$this->assertNull($this->transformer->reverseTransform($input));
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}
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/**
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* @expectedException Symfony\Component\Form\ValueTransformer\TransformationFailedException
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*/
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public function testReverseTransform_partiallyNull()
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{
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$input = array(
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'a' => 'Foo',
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'b' => 'Foo',
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'c' => null,
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);
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$this->transformer->reverseTransform($input);
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}
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/**
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* @expectedException Symfony\Component\Form\ValueTransformer\TransformationFailedException
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*/
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public function testReverseTransform_differences()
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{
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$input = array(
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'a' => 'Foo',
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'b' => 'Bar',
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'c' => 'Foo',
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);
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$this->transformer->reverseTransform($input);
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}
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/**
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* @expectedException Symfony\Component\Form\Exception\UnexpectedTypeException
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*/
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public function testReverseTransformRequiresArray()
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{
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$this->transformer->reverseTransform('12345');
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}
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}
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