Edit: SimpleFormTest.php

Editing: SimpleFormTest.php

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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;

use Symfony\Component\Form\Form;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\PropertyAccess\PropertyPath;
use Symfony\Component\Form\FormConfigBuilder;
use Symfony\Component\Form\FormError;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\Form\Tests\Fixtures\FixedDataTransformer;
use Symfony\Component\Form\Tests\Fixtures\FixedFilterListener;

class SimpleFormTest_Countable implements \Countable
{
    private $count;

public function __construct($count)
    {
        $this->count = $count;
    }

public function count()
    {
        return $this->count;
    }
}

class SimpleFormTest_Traversable implements \IteratorAggregate
{
    private $iterator;

public function __construct($count)
    {
        $this->iterator = new \ArrayIterator($count > 0 ? array_fill(0, $count, 'Foo') : array());
    }

public function getIterator()
    {
        return $this->iterator;
    }
}

class SimpleFormTest extends AbstractFormTest
{
    public function testDataIsInitializedToConfiguredValue()
    {
        $model = new FixedDataTransformer(array(
            'default' => 'foo',
        ));
        $view = new FixedDataTransformer(array(
            'foo' => 'bar',
        ));

$config = new FormConfigBuilder('name', null, $this->dispatcher);
        $config->addViewTransformer($view);
        $config->addModelTransformer($model);
        $config->setData('default');
        $form = new Form($config);

$this->assertSame('default', $form->getData());
        $this->assertSame('foo', $form->getNormData());
        $this->assertSame('bar', $form->getViewData());
    }

// https://github.com/symfony/symfony/commit/d4f4038f6daf7cf88ca7c7ab089473cce5ebf7d8#commitcomment-1632879
    public function testDataIsInitializedFromSubmit()
    {
        $mock = $this->getMockBuilder('\stdClass')
            ->setMethods(array('preSetData', 'preSubmit'))
            ->getMock();
        $mock->expects($this->at(0))
            ->method('preSetData');
        $mock->expects($this->at(1))
            ->method('preSubmit');

$config = new FormConfigBuilder('name', null, $this->dispatcher);
        $config->addEventListener(FormEvents::PRE_SET_DATA, array($mock, 'preSetData'));
        $config->addEventListener(FormEvents::PRE_SUBMIT, array($mock, 'preSubmit'));
        $form = new Form($config);

// no call to setData() or similar where the object would be
        // initialized otherwise

$form->submit('foobar');
    }

// https://github.com/symfony/symfony/pull/7789
    public function testFalseIsConvertedToNull()
    {
        $mock = $this->getMockBuilder('\stdClass')
            ->setMethods(array('preBind'))
            ->getMock();
        $mock->expects($this->once())
            ->method('preBind')
            ->with($this->callback(function ($event) {
                return null === $event->getData();
            }));

$config = new FormConfigBuilder('name', null, $this->dispatcher);
        $config->addEventListener(FormEvents::PRE_BIND, array($mock, 'preBind'));
        $form = new Form($config);

$form->bind(false);

$this->assertTrue($form->isValid());
        $this->assertNull($form->getData());
    }

/**
     * @expectedException \Symfony\Component\Form\Exception\AlreadySubmittedException
     */
    public function testSubmitThrowsExceptionIfAlreadySubmitted()
    {
        $this->form->submit(array());
        $this->form->submit(array());
    }

public function testSubmitIsIgnoredIfDisabled()
    {
        $form = $this->getBuilder()
            ->setDisabled(true)
            ->setData('initial')
            ->getForm();

$form->submit('new');

$this->assertEquals('initial', $form->getData());
        $this->assertTrue($form->isSubmitted());
    }

public function testNeverRequiredIfParentNotRequired()
    {
        $parent = $this->getBuilder()->setRequired(false)->getForm();
        $child = $this->getBuilder()->setRequired(true)->getForm();

$child->setParent($parent);

$this->assertFalse($child->isRequired());
    }

public function testRequired()
    {
        $parent = $this->getBuilder()->setRequired(true)->getForm();
        $child = $this->getBuilder()->setRequired(true)->getForm();

$child->setParent($parent);

$this->assertTrue($child->isRequired());
    }

public function testNotRequired()
    {
        $parent = $this->getBuilder()->setRequired(true)->getForm();
        $child = $this->getBuilder()->setRequired(false)->getForm();

$child->setParent($parent);

$this->assertFalse($child->isRequired());
    }

public function testAlwaysDisabledIfParentDisabled()
    {
        $parent = $this->getBuilder()->setDisabled(true)->getForm();
        $child = $this->getBuilder()->setDisabled(false)->getForm();

$child->setParent($parent);

$this->assertTrue($child->isDisabled());
    }

public function testDisabled()
    {
        $parent = $this->getBuilder()->setDisabled(false)->getForm();
        $child = $this->getBuilder()->setDisabled(true)->getForm();

$child->setParent($parent);

$this->assertTrue($child->isDisabled());
    }

public function testNotDisabled()
    {
        $parent = $this->getBuilder()->setDisabled(false)->getForm();
        $child = $this->getBuilder()->setDisabled(false)->getForm();

$child->setParent($parent);

$this->assertFalse($child->isDisabled());
    }

public function testGetRootReturnsRootOfParent()
    {
        $parent = $this->getMockForm();
        $parent->expects($this->once())
            ->method('getRoot')
            ->will($this->returnValue('ROOT'));

$this->form->setParent($parent);

$this->assertEquals('ROOT', $this->form->getRoot());
    }

public function testGetRootReturnsSelfIfNoParent()
    {
        $this->assertSame($this->form, $this->form->getRoot());
    }

public function testEmptyIfEmptyArray()
    {
        $this->form->setData(array());