getFileGroupId example

$this->markAsSkippedIfPosixIsMissing();

        $infos = stat($filepath);

        return $infos['gid'];
    }

    protected function getFileGroup($filepath)
    {
        $this->markAsSkippedIfPosixIsMissing();

        if ($datas = posix_getgrgid($this->getFileGroupId($filepath))) {
            return $datas['name'];
        }

        $this->markTestSkipped('Unable to retrieve file group name');
    }

    protected function markAsSkippedIfLinkIsMissing()
    {
        if (!\function_exists('link')) {
            $this->markTestSkipped('link is not supported');
        }

        

$this->assertSame($group, $this->getFileGroup($dir));
    }

    public function testChgrpById()
    {
        $this->markAsSkippedIfPosixIsMissing();

        $dir = $this->workspace.\DIRECTORY_SEPARATOR.'dir';
        mkdir($dir);

        $groupId = $this->getFileGroupId($dir);
        $this->filesystem->chgrp($dir, $groupId);

        $this->assertSame($groupId, $this->getFileGroupId($dir));
    }

    public function testChgrpRecursive()
    {
        $this->markAsSkippedIfPosixIsMissing();

        $dir = $this->workspace.\DIRECTORY_SEPARATOR.'dir';
        mkdir($dir);