symfony/tests/Symfony/Tests/Component/Form/FormFactoryTest.php

<?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\Tests\Component\Form;

use Symfony\Component\Form\FormFactory;
use Symfony\Component\Form\Guess\Guess;
use Symfony\Component\Form\Guess\ValueGuess;
use Symfony\Component\Form\Guess\TypeGuess;

class FormFactoryTest extends \PHPUnit_Framework_TestCase
{
    private $extension1;

    private $extension2;

    private $guesser1;

    private $guesser2;

    private $factory;

    protected function setUp()
    {
        $this->guesser1 = $this->getMock('Symfony\Component\Form\FormTypeGuesserInterface');
        $this->guesser2 = $this->getMock('Symfony\Component\Form\FormTypeGuesserInterface');
        $this->extension1 = $this->getMock('Symfony\Component\Form\FormExtensionInterface');
        $this->extension1->expects($this->any())
            ->method('getTypeGuesser')
            ->will($this->returnValue($this->guesser1));
        $this->extension2 = $this->getMock('Symfony\Component\Form\FormExtensionInterface');
        $this->extension2->expects($this->any())
            ->method('getTypeGuesser')
            ->will($this->returnValue($this->guesser2));
        $this->factory = new FormFactory(array($this->extension1, $this->extension2));
    }

    public function testCreateBuilderForPropertyCreatesFieldWithHighestConfidence()
    {
        $this->guesser1->expects($this->once())
            ->method('guessType')
            ->with('Application\Author', 'firstName')
            ->will($this->returnValue(new TypeGuess(
                'text',
                array('max_length' => 10),
                Guess::MEDIUM_CONFIDENCE
            )));

        $this->guesser2->expects($this->once())
            ->method('guessType')
            ->with('Application\Author', 'firstName')
            ->will($this->returnValue(new TypeGuess(
                'password',
                array('max_length' => 7),
                Guess::HIGH_CONFIDENCE
            )));

        $factory = $this->createMockFactory(array('createNamedBuilder'));

        $factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('password', 'firstName', null, array('max_length' => 7))
            ->will($this->returnValue('builderInstance'));

        $builder = $factory->createBuilderForProperty('Application\Author', 'firstName');

        $this->assertEquals('builderInstance', $builder);
    }

    public function testCreateBuilderCreatesTextFieldIfNoGuess()
    {
        $this->guesser1->expects($this->once())
                ->method('guessType')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(null));

        $factory = $this->createMockFactory(array('createNamedBuilder'));

        $factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('text', 'firstName')
            ->will($this->returnValue('builderInstance'));

        $builder = $factory->createBuilderForProperty('Application\Author', 'firstName');

        $this->assertEquals('builderInstance', $builder);
    }

    public function testOptionsCanBeOverridden()
    {
        $this->guesser1->expects($this->once())
                ->method('guessType')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(new TypeGuess(
                    'text',
                    array('max_length' => 10),
                    Guess::MEDIUM_CONFIDENCE
                )));

        $factory = $this->createMockFactory(array('createNamedBuilder'));

        $factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('text', 'firstName', null, array('max_length' => 11))
            ->will($this->returnValue('builderInstance'));

        $builder = $factory->createBuilderForProperty(
            'Application\Author',
            'firstName',
            null,
            array('max_length' => 11)
        );

        $this->assertEquals('builderInstance', $builder);
    }

    public function testCreateBuilderUsesMaxLengthIfFound()
    {
        $this->guesser1->expects($this->once())
                ->method('guessMaxLength')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(new ValueGuess(
                    15,
                    Guess::MEDIUM_CONFIDENCE
                )));

        $this->guesser2->expects($this->once())
                ->method('guessMaxLength')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(new ValueGuess(
                    20,
                    Guess::HIGH_CONFIDENCE
                )));

        $factory = $this->createMockFactory(array('createNamedBuilder'));

        $factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('text', 'firstName', null, array('max_length' => 20))
            ->will($this->returnValue('builderInstance'));

        $builder = $factory->createBuilderForProperty(
            'Application\Author',
            'firstName'
        );

        $this->assertEquals('builderInstance', $builder);
    }

    public function testCreateBuilderUsesRequiredSettingWithHighestConfidence()
    {
        $this->guesser1->expects($this->once())
                ->method('guessRequired')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(new ValueGuess(
                    true,
                    Guess::MEDIUM_CONFIDENCE
                )));

        $this->guesser2->expects($this->once())
                ->method('guessRequired')
                ->with('Application\Author', 'firstName')
                ->will($this->returnValue(new ValueGuess(
                    false,
                    Guess::HIGH_CONFIDENCE
                )));

        $factory = $this->createMockFactory(array('createNamedBuilder'));

        $factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('text', 'firstName', null, array('required' => false))
            ->will($this->returnValue('builderInstance'));

        $builder = $factory->createBuilderForProperty(
            'Application\Author',
            'firstName'
        );

        $this->assertEquals('builderInstance', $builder);
    }

    private function createMockFactory(array $methods = array())
    {
        return $this->getMockBuilder('Symfony\Component\Form\FormFactory')
            ->setMethods($methods)
            ->setConstructorArgs(array(array($this->extension1, $this->extension2)))
            ->getMock();
    }
}