<?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\Console\Tests\Helper;
use Symfony\Component\Console\Helper\DialogHelper;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Output\StreamOutput;
class DialogHelperTest extends \PHPUnit_Framework_TestCase
{
public function testAsk()
{
$dialog = new DialogHelper();
$dialog->setInputStream($this->getInputStream("\n8AM\n"));
$this->assertEquals('2PM', $dialog->ask($this->getOutputStream(), 'What time is it?', '2PM'));
$this->assertEquals('8AM', $dialog->ask($output = $this->getOutputStream(), 'What time is it?', '2PM'));
rewind($output->getStream());
$this->assertEquals('What time is it?', stream_get_contents($output->getStream()));
}
public function testAskConfirmation()
{
$dialog = new DialogHelper();
$dialog->setInputStream($this->getInputStream("\n\n"));
$this->assertTrue($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?'));
$this->assertFalse($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?', false));
$dialog->setInputStream($this->getInputStream("y\nyes\n"));
$this->assertTrue($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?', false));
$this->assertTrue($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?', false));
$dialog->setInputStream($this->getInputStream("n\nno\n"));
$this->assertFalse($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?', true));
$this->assertFalse($dialog->askConfirmation($this->getOutputStream(), 'Do you like French fries?', true));
}
public function testAskAndValidate()
{
$dialog = new DialogHelper();
$helperSet = new HelperSet(array(new FormatterHelper()));
$dialog->setHelperSet($helperSet);
$question ='What color was the white horse of Henry IV?';
$error = 'This is not a color!';
$validator = function ($color) use ($error) {
if (!in_array($color, array('white', 'black'))) {
throw new \InvalidArgumentException($error);
}
return $color;
};
$dialog->setInputStream($this->getInputStream("\nblack\n"));
$this->assertEquals('white', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$this->assertEquals('black', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$dialog->setInputStream($this->getInputStream("green\nyellow\norange\n"));
try {
$this->assertEquals('white', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$this->fail();
} catch (\InvalidArgumentException $e) {
$this->assertEquals($error, $e->getMessage());
}
}
protected function getInputStream($input)
{
$stream = fopen('php://memory', 'r+', false);
fputs($stream, $input);
rewind($stream);
return $stream;
}
protected function getOutputStream()
{
return new StreamOutput(fopen('php://memory', 'r+', false));
}
}
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