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# This file is part of cloud-init. See LICENSE file for license information.
import re
from cloudinit.distros.parsers.sys_conf import SysConf
from tests.unittests.helpers import TestCase
# Lots of good examples @
# http://content.hccfl.edu/pollock/AUnix1/SysconfigFilesDesc.txt
class TestSysConfHelper(TestCase):
# This function was added in 2.7, make it work for 2.6
def assertRegMatches(self, text, regexp):
regexp = re.compile(regexp)
self.assertTrue(regexp.search(text),
msg="%s must match %s!" % (text, regexp.pattern))
def test_parse_no_change(self):
contents = '''# A comment
USESMBAUTH=no
KEYTABLE=/usr/lib/kbd/keytables/us.map
SHORTDATE=$(date +%y:%m:%d:%H:%M)
HOSTNAME=blahblah
NETMASK0=255.255.255.0
# Inline comment
LIST=$LOGROOT/incremental-list
IPV6TO4_ROUTING='eth0-:0004::1/64 eth1-:0005::1/64'
ETHTOOL_OPTS="-K ${DEVICE} tso on; -G ${DEVICE} rx 256 tx 256"
USEMD5=no'''
conf = SysConf(contents.splitlines())
self.assertEqual(conf['HOSTNAME'], 'blahblah')
self.assertEqual(conf['SHORTDATE'], '$(date +%y:%m:%d:%H:%M)')
# Should be unquoted
self.assertEqual(conf['ETHTOOL_OPTS'], ('-K ${DEVICE} tso on; '
'-G ${DEVICE} rx 256 tx 256'))
self.assertEqual(contents, str(conf))
def test_parse_shell_vars(self):
contents = 'USESMBAUTH=$XYZ'
conf = SysConf(contents.splitlines())
self.assertEqual(contents, str(conf))
conf = SysConf('')
conf['B'] = '${ZZ}d apples'
# Should be quoted
self.assertEqual('B="${ZZ}d apples"', str(conf))
conf = SysConf('')
conf['B'] = '$? d apples'
self.assertEqual('B="$? d apples"', str(conf))
contents = 'IPMI_WATCHDOG_OPTIONS="timeout=60"'
conf = SysConf(contents.splitlines())
self.assertEqual('IPMI_WATCHDOG_OPTIONS=timeout=60', str(conf))
def test_parse_adjust(self):
contents = 'IPV6TO4_ROUTING="eth0-:0004::1/64 eth1-:0005::1/64"'
conf = SysConf(contents.splitlines())
# Should be unquoted
self.assertEqual('eth0-:0004::1/64 eth1-:0005::1/64',
conf['IPV6TO4_ROUTING'])
conf['IPV6TO4_ROUTING'] = "blah \tblah"
contents2 = str(conf).strip()
# Should be requoted due to whitespace
self.assertRegMatches(contents2,
r'IPV6TO4_ROUTING=[\']blah\s+blah[\']')
def test_parse_no_adjust_shell(self):
conf = SysConf(''.splitlines())
conf['B'] = ' $(time)'
contents = str(conf)
self.assertEqual('B= $(time)', contents)
def test_parse_empty(self):
contents = ''
conf = SysConf(contents.splitlines())
self.assertEqual('', str(conf).strip())
def test_parse_add_new(self):
contents = 'BLAH=b'
conf = SysConf(contents.splitlines())
conf['Z'] = 'd'
contents = str(conf)
self.assertIn("Z=d", contents)
self.assertIn("BLAH=b", contents)
# vi: ts=4 expandtab
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