def test_version_invalid_context(self):
'''
Test with invalid context data. The context value must be a dict, so
this should raise a HubbleInvocationError.
'''
# Test with invalid context data
with self.assertRaises(HubbleInvocationError):
_systemd.version(99999)
def test_version_parse_problem(self):
'''
Test with invalid context data. The context value must be a dict, so
this should raise a HubbleInvocationError.
'''
with patch('subprocess.Popen') as popen_mock:
popen_mock.return_value = Mock(communicate=lambda *args, **kwargs:
('invalid', None),
pid=lambda: 12345,
retcode=0)
# Test without context dict passed
self.assertIsNone(_systemd.version())
# Test that context key is set when context dict is passed. A failure
# to parse the systemctl output should not set a context key, so it
# should not be present in the context dict.
context = {}
self.assertIsNone(_systemd.version(context))
self.assertEqual(context, {})
def test_version_return_from_context(self):
'''
Test that the context data is returned when present. To ensure we're
getting data from the context dict, we use a non-integer value to
differentiate it from the integer return this function normally
produces.
'''
context = {'hubblestack.utils.systemd.version': 'foo'}
self.assertEqual(_systemd.version(context), 'foo')
def test_version(self):
'''
Test that hubblestack.utils.systemd.booted() returns True when minion is
systemd-booted.
'''
with patch('subprocess.Popen') as popen_mock:
_version = 231
output = 'systemd {0}\n-SYSVINIT'.format(_version)
popen_mock.return_value = Mock(communicate=lambda *args, **kwargs:
(output, None),
pid=lambda: 12345,
retcode=0)
# Test without context dict passed
self.assertEqual(_systemd.version(), _version)
# Test that context key is set when context dict is passed
context = {}
self.assertTrue(_systemd.version(context))
self.assertEqual(context,
{'hubblestack.utils.systemd.version': _version})
def test_version_generated_from_git_describe(self):
'''
Test with version string matching versions generated by git describe
in systemd. This feature is used in systemd>=241.
'''
with patch('subprocess.Popen') as popen_mock:
_version = 241
output = 'systemd {0} ({0}.0-0-dist)\n-SYSVINIT'.format(_version)
popen_mock.return_value = Mock(communicate=lambda *args, **kwargs:
(output, None),
pid=lambda: 12345,
retcode=0)
# Test without context dict passed
self.assertEqual(_systemd.version(), _version)
# Test that context key is set when context dict is passed
context = {}
self.assertTrue(_systemd.version(context))
self.assertEqual(context,
{'hubblestack.utils.systemd.version': _version})