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# This file is part of cloud-init. See LICENSE file for license information.
from ..helpers import (CiTestCase, mock)
from cloudinit.distros.debian import apply_locale
from cloudinit import util
@mock.patch("cloudinit.distros.debian.util.subp")
class TestDebianApplyLocale(CiTestCase):
def test_no_rerun(self, m_subp):
"""If system has defined locale, no re-run is expected."""
spath = self.tmp_path("default-locale")
m_subp.return_value = (None, None)
locale = 'en_US.UTF-8'
util.write_file(spath, 'LANG=%s\n' % locale, omode="w")
apply_locale(locale, sys_path=spath)
m_subp.assert_not_called()
def test_rerun_if_different(self, m_subp):
"""If system has different locale, locale-gen should be called."""
spath = self.tmp_path("default-locale")
m_subp.return_value = (None, None)
locale = 'en_US.UTF-8'
util.write_file(spath, 'LANG=fr_FR.UTF-8', omode="w")
apply_locale(locale, sys_path=spath)
self.assertEqual(
[['locale-gen', locale],
['update-locale', '--locale-file=' + spath, 'LANG=%s' % locale]],
[p[0][0] for p in m_subp.call_args_list])
def test_rerun_if_no_file(self, m_subp):
"""If system has no locale file, locale-gen should be called."""
spath = self.tmp_path("default-locale")
m_subp.return_value = (None, None)
locale = 'en_US.UTF-8'
apply_locale(locale, sys_path=spath)
self.assertEqual(
[['locale-gen', locale],
['update-locale', '--locale-file=' + spath, 'LANG=%s' % locale]],
[p[0][0] for p in m_subp.call_args_list])
def test_rerun_on_unset_system_locale(self, m_subp):
"""If system has unset locale, locale-gen should be called."""
m_subp.return_value = (None, None)
spath = self.tmp_path("default-locale")
locale = 'en_US.UTF-8'
util.write_file(spath, 'LANG=', omode="w")
apply_locale(locale, sys_path=spath)
self.assertEqual(
[['locale-gen', locale],
['update-locale', '--locale-file=' + spath, 'LANG=%s' % locale]],
[p[0][0] for p in m_subp.call_args_list])
def test_rerun_on_mismatched_keys(self, m_subp):
"""If key is LC_ALL and system has only LANG, rerun is expected."""
m_subp.return_value = (None, None)
spath = self.tmp_path("default-locale")
locale = 'en_US.UTF-8'
util.write_file(spath, 'LANG=', omode="w")
apply_locale(locale, sys_path=spath, keyname='LC_ALL')
self.assertEqual(
[['locale-gen', locale],
['update-locale', '--locale-file=' + spath,
'LC_ALL=%s' % locale]],
[p[0][0] for p in m_subp.call_args_list])
def test_falseish_locale_raises_valueerror(self, m_subp):
"""locale as None or "" is invalid and should raise ValueError."""
with self.assertRaises(ValueError) as ctext_m:
apply_locale(None)
m_subp.assert_not_called()
self.assertEqual(
'Failed to provide locale value.', str(ctext_m.exception))
with self.assertRaises(ValueError) as ctext_m:
apply_locale("")
m_subp.assert_not_called()
self.assertEqual(
'Failed to provide locale value.', str(ctext_m.exception))
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