gistfile1.php

<?php
use Behat\Behat\Event\SuiteEvent,
    Behat\Behat\Event\FeatureEvent,
    Behat\Behat\Event\ScenarioEvent,

    Behat\Gherkin\Node\TableNode,
    Behat\Gherkin\Node\PyStringNode,

    Behat\Behat\Exception\PendingException,

    Behat\MinkExtension\Context\MinkContext;

use Symfony\Component\Process\Process;

class FeatureContext extends MinkContext
{
    private static $parameters = [];

    public function __construct(array $parameters)
    {
        static::$parameters = $parameters;
    }
    
    private static function runCommand($cmd, $silent = false)
    {
        $p = new Process($cmd, null, null, null, 300);

        try {
            $p->run(function ($type, $buffer) use ($silent) {
                if (true === $silent) {
                    return;
                }

                if ('err' === $type) {
                    echo 'ERR > ';
                }

                echo $buffer;
            });
        } catch (\RuntimeException $e) {
            echo '<error>There was an error while running this process : ' . $e->getMessage() . '</error>';
        }

        return $p;
    }

    /** @BeforeSuite */
    public static function init(SuiteEvent $event)
    {
        if (isset(static::$parameters['reset_database'], static::$parameters['environment']) && true === static::$parameters['reset_database']) {
            static::runCommand('sh ' . __DIR__ . '/../../../bin/create_database.sh ' . static::$parameters['environment'] . ' --ansi');
            static::runCommand('rm -rf ' . __DIR__ . '/../../../app/cache/*');
        }
    }
}