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import unittest
from cloudinit.distros.parsers import hostname
BASE_HOSTNAME = '''
# My super-duper-hostname
blahblah
'''
BASE_HOSTNAME = BASE_HOSTNAME.strip()
class TestHostnameHelper(unittest.TestCase):
def test_parse_same(self):
hn = hostname.HostnameConf(BASE_HOSTNAME)
self.assertEqual(str(hn).strip(), BASE_HOSTNAME)
self.assertEqual(hn.hostname, 'blahblah')
def test_no_adjust_hostname(self):
hn = hostname.HostnameConf(BASE_HOSTNAME)
prev_name = hn.hostname
hn.set_hostname("")
self.assertEqual(hn.hostname, prev_name)
def test_adjust_hostname(self):
hn = hostname.HostnameConf(BASE_HOSTNAME)
prev_name = hn.hostname
self.assertEqual(prev_name, 'blahblah')
hn.set_hostname("bbbbd")
self.assertEqual(hn.hostname, 'bbbbd')
expected_out = '''
# My super-duper-hostname
bbbbd
'''
self.assertEqual(str(hn).strip(), expected_out.strip())
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