<?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\Process\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Process\ExecutableFinder;

/**
* @author Chris Smith <chris@cs278.org>
*/
class ExecutableFinderTest extends TestCase
{
private $path;

protected function tearDown()
{
if ($this->path) {
// Restore path if it was changed.
putenv('PATH='.$this->path);
}
}

private function setPath($path)
{
$this->path = getenv('PATH');
putenv('PATH='.$path);
}

public function testFind()
{
if (ini_get('open_basedir')) {
$this->markTestSkipped('Cannot test when open_basedir is set');
}

$this->setPath(dirname(PHP_BINARY));

$finder = new ExecutableFinder();
$result = $finder->find($this->getPhpBinaryName());

$this->assertSamePath(PHP_BINARY, $result);
}

public function testFindWithDefault()
{
if (ini_get('open_basedir')) {
$this->markTestSkipped('Cannot test when open_basedir is set');
}

$expected = 'defaultValue';

$this->setPath('');

$finder = new ExecutableFinder();
$result = $finder->find('foo', $expected);

$this->assertEquals($expected, $result);
}

public function testFindWithExtraDirs()
{
if (ini_get('open_basedir')) {
$this->markTestSkipped('Cannot test when open_basedir is set');
}

$this->setPath('');

$extraDirs = array(dirname(PHP_BINARY));

$finder = new ExecutableFinder();
$result = $finder->find($this->getPhpBinaryName(), null, $extraDirs);

$this->assertSamePath(PHP_BINARY, $result);
}

public function testFindWithOpenBaseDir()
{
if ('\\' === DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Cannot run test on windows');
}

if (ini_get('open_basedir')) {
$this->markTestSkipped('Cannot test when open_basedir is set');
}

$this->iniSet('open_basedir', dirname(PHP_BINARY).(!defined('HHVM_VERSION') || HHVM_VERSION_ID >= 30800 ? PATH_SEPARATOR.'/' : ''));

$finder = new ExecutableFinder();
$result = $finder->find($this->getPhpBinaryName());

$this->assertSamePath(PHP_BINARY, $result);
}

public function testFindProcessInOpenBasedir()
{
if (ini_get('open_basedir')) {
$this->markTestSkipped('Cannot test when open_basedir is set');
}
if ('\\' === DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Cannot run test on windows');
}

$this->setPath('');
$this->iniSet('open_basedir', PHP_BINARY.(!defined('HHVM_VERSION') || HHVM_VERSION_ID >= 30800 ? PATH_SEPARATOR.'/' : ''));

$finder = new ExecutableFinder();
$result = $finder->find($this->getPhpBinaryName(), false);

$this->assertSamePath(PHP_BINARY, $result);
}

private function assertSamePath($expected, $tested)
{
if ('\\' === DIRECTORY_SEPARATOR) {
$this->assertEquals(strtolower($expected), strtolower($tested));
} else {
$this->assertEquals($expected, $tested);
}
}

private function getPhpBinaryName()
{
return basename(PHP_BINARY, '\\' === DIRECTORY_SEPARATOR ? '.exe' : '');
}
}