mirror of
https://github.com/valitydev/salt.git
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304 lines
13 KiB
Python
304 lines
13 KiB
Python
# -*- coding: utf-8 -*-
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# Import python libs
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from __future__ import absolute_import, print_function, unicode_literals
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import errno
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import os
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# Import Salt Testing libs
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from tests.support.unit import TestCase, skipIf
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from tests.support.mock import Mock, patch, NO_MOCK, NO_MOCK_REASON
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# Import Salt libs
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import salt.utils.systemd as _systemd
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from salt.exceptions import SaltInvocationError
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def _booted_effect(path):
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return True if path == '/run/systemd/system' else os.stat(path)
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def _not_booted_effect(path):
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if path == '/run/systemd/system':
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raise OSError(errno.ENOENT, 'No such file or directory', path)
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return os.stat(path)
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@skipIf(NO_MOCK, NO_MOCK_REASON)
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class SystemdTestCase(TestCase):
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'''
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Tests the functions in salt.utils.systemd
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'''
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def test_booted(self):
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'''
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Test that salt.utils.systemd.booted() returns True when minion is
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systemd-booted.
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'''
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# Ensure that os.stat returns True. os.stat doesn't return a bool
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# normally, but the code is doing a simple truth check on the return
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# data, so it is sufficient enough to mock it as True for these tests.
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with patch('os.stat', side_effect=_booted_effect):
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# Test without context dict passed
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self.assertTrue(_systemd.booted())
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# Test that context key is set when context dict is passed
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context = {}
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self.assertTrue(_systemd.booted(context))
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self.assertEqual(context, {'salt.utils.systemd.booted': True})
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def test_not_booted(self):
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'''
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Test that salt.utils.systemd.booted() returns False when minion is not
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systemd-booted.
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'''
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# Ensure that os.stat raises an exception even if test is being run on
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# a systemd-booted host.
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with patch('os.stat', side_effect=_not_booted_effect):
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# Test without context dict passed
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self.assertFalse(_systemd.booted())
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# Test that context key is set when context dict is passed
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context = {}
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self.assertFalse(_systemd.booted(context))
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self.assertEqual(context, {'salt.utils.systemd.booted': False})
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def test_booted_return_from_context(self):
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'''
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Test that the context data is returned when present. To ensure we're
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getting data from the context dict, we use a non-boolean value to
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differentiate it from the True/False return this function normally
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produces.
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'''
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context = {'salt.utils.systemd.booted': 'foo'}
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self.assertEqual(_systemd.booted(context), 'foo')
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def test_booted_invalid_context(self):
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'''
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Test with invalid context data. The context value must be a dict, so
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this should raise a SaltInvocationError.
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'''
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# Test with invalid context data
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with self.assertRaises(SaltInvocationError):
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_systemd.booted(99999)
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def test_version(self):
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'''
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Test that salt.utils.systemd.booted() returns True when minion is
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systemd-booted.
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'''
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with patch('subprocess.Popen') as popen_mock:
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_version = 231
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output = 'systemd {0}\n-SYSVINIT'.format(_version)
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: (output, None),
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pid=lambda: 12345,
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retcode=0
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)
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# Test without context dict passed
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self.assertEqual(_systemd.version(), _version)
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# Test that context key is set when context dict is passed
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context = {}
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self.assertTrue(_systemd.version(context))
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self.assertEqual(context, {'salt.utils.systemd.version': _version})
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def test_version_generated_from_git_describe(self):
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'''
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Test with version string matching versions generated by git describe
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in systemd. This feature is used in systemd>=241.
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'''
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with patch('subprocess.Popen') as popen_mock:
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_version = 241
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output = 'systemd {0} ({0}.0-0-dist)\n-SYSVINIT'.format(_version)
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: (output, None),
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pid=lambda: 12345,
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retcode=0
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)
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# Test without context dict passed
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self.assertEqual(_systemd.version(), _version)
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# Test that context key is set when context dict is passed
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context = {}
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self.assertTrue(_systemd.version(context))
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self.assertEqual(context, {'salt.utils.systemd.version': _version})
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def test_version_return_from_context(self):
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'''
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Test that the context data is returned when present. To ensure we're
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getting data from the context dict, we use a non-integer value to
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differentiate it from the integer return this function normally
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produces.
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'''
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context = {'salt.utils.systemd.version': 'foo'}
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self.assertEqual(_systemd.version(context), 'foo')
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def test_version_invalid_context(self):
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'''
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Test with invalid context data. The context value must be a dict, so
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this should raise a SaltInvocationError.
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'''
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# Test with invalid context data
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with self.assertRaises(SaltInvocationError):
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_systemd.version(99999)
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def test_version_parse_problem(self):
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'''
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Test with invalid context data. The context value must be a dict, so
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this should raise a SaltInvocationError.
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'''
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with patch('subprocess.Popen') as popen_mock:
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: ('invalid', None),
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pid=lambda: 12345,
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retcode=0
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)
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# Test without context dict passed
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self.assertIsNone(_systemd.version())
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# Test that context key is set when context dict is passed. A failure
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# to parse the systemctl output should not set a context key, so it
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# should not be present in the context dict.
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context = {}
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self.assertIsNone(_systemd.version(context))
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self.assertEqual(context, {})
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def test_has_scope_systemd204(self):
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'''
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Scopes are available in systemd>=205. Make sure that this function
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returns the expected boolean. We do three separate unit tests for
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versions 204 through 206 because mock doesn't like us altering the
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return_value in a loop.
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'''
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with patch('subprocess.Popen') as popen_mock:
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_expected = False
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_version = 204
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_output = 'systemd {0}\n-SYSVINIT'.format(_version)
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: (_output, None),
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pid=lambda: 12345,
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retcode=0
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)
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# Ensure that os.stat returns True. os.stat doesn't return a bool
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# normally, but the code is doing a simple truth check on the
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# return data, so it is sufficient enough to mock it as True for
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# these tests.
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with patch('os.stat', side_effect=_booted_effect):
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# Test without context dict passed
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self.assertEqual(_systemd.has_scope(), _expected)
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# Test that context key is set when context dict is passed
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context = {}
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self.assertEqual(_systemd.has_scope(context), _expected)
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self.assertEqual(
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context,
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{'salt.utils.systemd.booted': True,
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'salt.utils.systemd.version': _version},
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)
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def test_has_scope_systemd205(self):
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'''
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Scopes are available in systemd>=205. Make sure that this function
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returns the expected boolean. We do three separate unit tests for
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versions 204 through 206 because mock doesn't like us altering the
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return_value in a loop.
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'''
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with patch('subprocess.Popen') as popen_mock:
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_expected = True
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_version = 205
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_output = 'systemd {0}\n-SYSVINIT'.format(_version)
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: (_output, None),
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pid=lambda: 12345,
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retcode=0
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)
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# Ensure that os.stat returns True. os.stat doesn't return a bool
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# normally, but the code is doing a simple truth check on the
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# return data, so it is sufficient enough to mock it as True for
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# these tests.
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with patch('os.stat', side_effect=_booted_effect):
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# Test without context dict passed
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self.assertEqual(_systemd.has_scope(), _expected)
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# Test that context key is set when context dict is passed
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context = {}
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self.assertEqual(_systemd.has_scope(context), _expected)
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self.assertEqual(
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context,
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{'salt.utils.systemd.booted': True,
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'salt.utils.systemd.version': _version},
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)
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def test_has_scope_systemd206(self):
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'''
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Scopes are available in systemd>=205. Make sure that this function
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returns the expected boolean. We do three separate unit tests for
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versions 204 through 206 because mock doesn't like us altering the
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return_value in a loop.
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'''
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with patch('subprocess.Popen') as popen_mock:
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_expected = True
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_version = 206
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_output = 'systemd {0}\n-SYSVINIT'.format(_version)
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: (_output, None),
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pid=lambda: 12345,
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retcode=0
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)
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# Ensure that os.stat returns True. os.stat doesn't return a bool
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# normally, but the code is doing a simple truth check on the
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# return data, so it is sufficient enough to mock it as True for
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# these tests.
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with patch('os.stat', side_effect=_booted_effect):
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# Test without context dict passed
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self.assertEqual(_systemd.has_scope(), _expected)
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# Test that context key is set when context dict is passed
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context = {}
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self.assertEqual(_systemd.has_scope(context), _expected)
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self.assertEqual(
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context,
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{'salt.utils.systemd.booted': True,
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'salt.utils.systemd.version': _version},
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)
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def test_has_scope_no_systemd(self):
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'''
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Test the case where the system is not systemd-booted. We should not be
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performing a version check in these cases as there is no need.
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'''
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with patch('os.stat', side_effect=_not_booted_effect):
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# Test without context dict passed
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self.assertFalse(_systemd.has_scope())
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# Test that context key is set when context dict is passed.
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# Because we are not systemd-booted, there should be no key in the
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# context dict for the version check, as we shouldn't have
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# performed this check.
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context = {}
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self.assertFalse(_systemd.has_scope(context))
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self.assertEqual(context, {'salt.utils.systemd.booted': False})
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def test_has_scope_version_parse_problem(self):
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'''
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Test the case where the system is systemd-booted, but we failed to
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parse the "systemctl --version" output.
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'''
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with patch('subprocess.Popen') as popen_mock:
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popen_mock.return_value = Mock(
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communicate=lambda *args, **kwargs: ('invalid', None),
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pid=lambda: 12345,
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retcode=0
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)
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with patch('os.stat', side_effect=_booted_effect):
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# Test without context dict passed
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self.assertFalse(_systemd.has_scope())
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# Test that context key is set when context dict is passed. A
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# failure to parse the systemctl output should not set a context
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# key, so it should not be present in the context dict.
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context = {}
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self.assertFalse(_systemd.has_scope(context))
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self.assertEqual(context, {'salt.utils.systemd.booted': True})
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def test_has_scope_invalid_context(self):
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'''
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Test with invalid context data. The context value must be a dict, so
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this should raise a SaltInvocationError.
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'''
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# Test with invalid context data
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with self.assertRaises(SaltInvocationError):
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_systemd.has_scope(99999)
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