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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\Console\Tests\Helper;
use Symfony\Component\Console\Helper\ProgressHelper;
use Symfony\Component\Console\Output\StreamOutput;
class ProgressHelperTest extends \PHPUnit_Framework_TestCase
{
public function testAdvance()
{
$progress = new ProgressHelper();
$progress->start($output = $this->getOutputStream());
$progress->advance();
rewind($output->getStream());
$this->assertEquals($this->generateOutput(' 1 [->--------------------------]'), stream_get_contents($output->getStream()));
}
public function testAdvanceWithStep()
{
$progress = new ProgressHelper();
$progress->start($output = $this->getOutputStream());
$progress->advance(5);
rewind($output->getStream());
$this->assertEquals($this->generateOutput(' 5 [----->----------------------]'), stream_get_contents($output->getStream()));
}
public function testAdvanceMultipleTimes()
{
$progress = new ProgressHelper();
$progress->start($output = $this->getOutputStream());
$progress->advance(3);
$progress->advance(2);
rewind($output->getStream());
$this->assertEquals($this->generateOutput(' 3 [--->------------------------]').$this->generateOutput(' 5 [----->----------------------]'), stream_get_contents($output->getStream()));
}
public function testCustomizations()
{
$progress = new ProgressHelper();
$progress->setBarWidth(10);
$progress->setBarCharacter('_');
$progress->setEmptyBarCharacter(' ');
$progress->setProgressCharacter('/');
$progress->setFormat(' %current%/%max% [%bar%] %percent%%');
$progress->start($output = $this->getOutputStream(), 10);
$progress->advance();
rewind($output->getStream());
$this->assertEquals($this->generateOutput(' 1/10 [_/ ] 10%'), stream_get_contents($output->getStream()));
}
public function testPercent()
{
$progress = new ProgressHelper();
$progress->start($output = $this->getOutputStream(), 50);
$progress->display();
$progress->advance();
$progress->advance();
rewind($output->getStream());
$this->assertEquals($this->generateOutput(' 0/50 [>---------------------------] 0%').$this->generateOutput(' 1/50 [>---------------------------] 2%').$this->generateOutput(' 2/50 [=>--------------------------] 4%'), stream_get_contents($output->getStream()));
}
protected function getOutputStream()
{
return new StreamOutput(fopen('php://memory', 'r+', false));
}
protected $lastMessagesLength;
protected function generateOutput($expected)
{
$expectedout = $expected;
if($this->lastMessagesLength!==null){
$expectedout=str_repeat("\x20", $this->lastMessagesLength)."\x0D".$expected;
}
$this->lastMessagesLength=strlen($expected);
return "\x0D".$expectedout;
}
}
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