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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\Tester;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\StreamOutput;

/**
* @author Fabien Potencier <fabien@symfony.com>
*/
class CommandTester
{
    private $command;
    private $input;
    private $output;

    /**
* Constructor.
*
* @param Command $command A Command instance to test.
*/
    public function __construct(Command $command)
    {
        $this->command = $command;
    }

    /**
* Executes the command.
*
* Available options:
*
* * interactive: Sets the input interactive flag
* * decorated: Sets the output decorated flag
* * verbosity: Sets the output verbosity flag
*
* @param array $input An array of arguments and options
* @param array $options An array of options
*
* @return integer The command exit code
*/
    public function execute(array $input, array $options = array())
    {
        $this->input = new ArrayInput($input);
        if (isset($options['interactive'])) {
            $this->input->setInteractive($options['interactive']);
        }

        $this->output = new StreamOutput(fopen('php://memory', 'w', false));
        if (isset($options['decorated'])) {
            $this->output->setDecorated($options['decorated']);
        }
        if (isset($options['verbosity'])) {
            $this->output->setVerbosity($options['verbosity']);
        }

        return $this->command->run($this->input, $this->output);
    }

    /**
* Gets the display returned by the last execution of the command.
*
* @return string The display
*/
    public function getDisplay()
    {
        rewind($this->output->getStream());

        return stream_get_contents($this->output->getStream());
    }

    /**
* Gets the input instance used by the last execution of the command.
*
* @return InputInterface The current input instance
*/
    public function getInput()
    {
        return $this->input;
    }

    /**
* Gets the output instance used by the last execution of the command.
*
* @return OutputInterface The current output instance
*/
    public function getOutput()
    {
        return $this->output;
    }
}
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