<?php

/*

 * This file is part of the Assetic package, an OpenSky project.

 *

 * (c) 2010-2011 OpenSky Project Inc

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Assetic\Test\Util;

use Assetic\Util\ProcessBuilder;

class ProcessBuilderTest extends \PHPUnit_Framework_TestCase

{

    /**

     * @test

     */

    public function shouldInheritEnvironmentVars()

    {

        $snapshot = $_ENV;

        $_ENV = $expected = array('foo' => 'bar');

        $pb = new ProcessBuilder();

        $pb->add('foo')->inheritEnvironmentVariables();

        $proc = $pb->getProcess();

        $this->assertEquals($expected, $proc->getEnv(), '->inheritEnvironmentVariables() copies $_ENV');

        $_ENV = $snapshot;

    }

    /**

     * @test

     */

    public function shouldNotReplaceExplicitlySetVars()

    {

        $snapshot = $_ENV;

        $_ENV = array('foo' => 'bar');

        $expected = array('foo' => 'baz');

        $pb = new ProcessBuilder();

        $pb

            ->setEnv('foo', 'baz')

            ->inheritEnvironmentVariables()

            ->add('foo')

        ;

        $proc = $pb->getProcess();

        $this->assertEquals($expected, $proc->getEnv(), '->inheritEnvironmentVariables() copies $_ENV');

        $_ENV = $snapshot;

    }

}