How to use the jc.parsers.ls.parse function in jc

def test_ls_alh_ubuntu_18_4(self):
        """
        Test 'ls -alh /' on Ubuntu 18.4
        """
        self.assertEqual(jc.parsers.ls.parse(self.ubuntu_18_4_ls_alh, quiet=True), self.ubuntu_18_4_ls_alh_json)

def test_ls_al_centos_7_7(self):
        """
        Test 'ls -al /' on Centos 7.7
        """
        self.assertEqual(jc.parsers.ls.parse(self.centos_7_7_ls_al, quiet=True), self.centos_7_7_ls_al_json)

def test_ls_ubuntu_18_4(self):
        """
        Test plain 'ls /' on Ubuntu 18.4
        """
        self.assertEqual(jc.parsers.ls.parse(self.ubuntu_18_4_ls, quiet=True), self.ubuntu_18_4_ls_json)

def test_ls_alh_centos_7_7(self):
        """
        Test 'ls -alh /' on Centos 7.7
        """
        self.assertEqual(jc.parsers.ls.parse(self.centos_7_7_ls_alh, quiet=True), self.centos_7_7_ls_alh_json)

def test_ls_centos_7_7(self):
        """
        Test plain 'ls /' on Centos 7.7
        """
        self.assertEqual(jc.parsers.ls.parse(self.centos_7_7_ls, quiet=True), self.centos_7_7_ls_json)

def test_ls_al_ubuntu_18_4(self):
        """
        Test 'ls -al /' on Ubuntu 18.4
        """
        self.assertEqual(jc.parsers.ls.parse(self.ubuntu_18_4_ls_al, quiet=True), self.ubuntu_18_4_ls_al_json)

raw = True

    # parsers
    parser_map = {
        '--arp': jc.parsers.arp.parse,
        '--df': jc.parsers.df.parse,
        '--dig': jc.parsers.dig.parse,
        '--env': jc.parsers.env.parse,
        '--free': jc.parsers.free.parse,
        '--fstab': jc.parsers.fstab.parse,
        '--history': jc.parsers.history.parse,
        '--hosts': jc.parsers.hosts.parse,
        '--ifconfig': jc.parsers.ifconfig.parse,
        '--iptables': jc.parsers.iptables.parse,
        '--jobs': jc.parsers.jobs.parse,
        '--ls': jc.parsers.ls.parse,
        '--lsblk': jc.parsers.lsblk.parse,
        '--lsmod': jc.parsers.lsmod.parse,
        '--lsof': jc.parsers.lsof.parse,
        '--mount': jc.parsers.mount.parse,
        '--netstat': jc.parsers.netstat.parse,
        '--ps': jc.parsers.ps.parse,
        '--route': jc.parsers.route.parse,
        '--ss': jc.parsers.ss.parse,
        '--stat': jc.parsers.stat.parse,
        '--systemctl': jc.parsers.systemctl.parse,
        '--systemctl-lj': jc.parsers.systemctl_lj.parse,
        '--systemctl-ls': jc.parsers.systemctl_ls.parse,
        '--systemctl-luf': jc.parsers.systemctl_luf.parse,
        '--uname': jc.parsers.uname.parse,
        '--uptime': jc.parsers.uptime.parse,
        '--w': jc.parsers.w.parse

result = jc.parsers.free.parse(data, raw=raw, quiet=quiet)

    elif '--history' in sys.argv:
        result = jc.parsers.history.parse(data, raw=raw, quiet=quiet)

    elif '--ifconfig' in sys.argv:
        result = jc.parsers.ifconfig.parse(data, raw=raw, quiet=quiet)

    elif '--iptables' in sys.argv:
        result = jc.parsers.iptables.parse(data, raw=raw, quiet=quiet)

    elif '--jobs' in sys.argv:
        result = jc.parsers.jobs.parse(data, raw=raw, quiet=quiet)

    elif '--ls' in sys.argv:
        result = jc.parsers.ls.parse(data, raw=raw, quiet=quiet)

    elif '--lsblk' in sys.argv:
        result = jc.parsers.lsblk.parse(data, raw=raw, quiet=quiet)

    elif '--lsmod' in sys.argv:
        result = jc.parsers.lsmod.parse(data, raw=raw, quiet=quiet)

    elif '--lsof' in sys.argv:
        result = jc.parsers.lsof.parse(data, raw=raw, quiet=quiet)

    elif '--mount' in sys.argv:
        result = jc.parsers.mount.parse(data, raw=raw, quiet=quiet)

    elif '--netstat' in sys.argv:
        result = jc.parsers.netstat.parse(data, raw=raw, quiet=quiet)