1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#!/usr/bin/python
# Copyright 2016 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unittest for config_manager.py module."""
from google_compute_engine import config_manager
from google_compute_engine.test_compat import builtin
from google_compute_engine.test_compat import mock
from google_compute_engine.test_compat import unittest
def _HasOption(_, option):
"""Validate the option exists in the config file.
Args:
option: string, the config option to check.
Returns:
bool, True if test is not in the option name.
"""
return 'test' not in option
def _HasSection(section):
"""Validate the section exists in the config file.
Args:
section: string, the config section to check.
Returns:
bool, True if test is not in the section name.
"""
return 'test' not in section
class ConfigManagerTest(unittest.TestCase):
option = 'option'
section = 'section'
value = 'value'
def setUp(self):
self.mock_config = mock.Mock()
self.mock_config.has_option.side_effect = _HasOption
self.mock_config.has_section.side_effect = _HasSection
config_manager.parser.Parser = mock.Mock()
config_manager.parser.Parser.return_value = self.mock_config
self.config_file = 'test.cfg'
self.config_header = 'Config file header.'
self.mock_config_manager = config_manager.ConfigManager(
config_file=self.config_file, config_header=self.config_header)
def testAddHeader(self):
mock_fp = mock.Mock()
self.mock_config_manager._AddHeader(mock_fp)
expected_calls = [
mock.call('# %s' % self.config_header),
mock.call('\n\n'),
]
self.assertEqual(mock_fp.write.mock_calls, expected_calls)
def testGetOptionString(self):
self.mock_config_manager.GetOptionString(self.section, self.option)
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_option(self.section, self.option),
mock.call.get(self.section, self.option),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testGetOptionStringNoOption(self):
option = 'test-option'
self.assertIsNone(
self.mock_config_manager.GetOptionString(self.section, option))
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_option(self.section, option),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testGetOptionBool(self):
self.mock_config_manager.GetOptionBool(self.section, self.option)
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_option(self.section, self.option),
mock.call.getboolean(self.section, self.option),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testGetOptionBoolNoOption(self):
option = 'test-option'
self.assertTrue(
self.mock_config_manager.GetOptionBool(self.section, option))
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_option(self.section, option),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testSetOption(self):
self.mock_config_manager.SetOption(self.section, self.option, self.value)
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_section(self.section),
mock.call.set(self.section, self.option, self.value),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testSetOptionNoOverwrite(self):
self.mock_config_manager.SetOption(
self.section, self.option, self.value, overwrite=False)
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_option(self.section, self.option),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testSetOptionNewSection(self):
section = 'test-section'
self.mock_config_manager.SetOption(section, self.option, self.value)
expected_calls = [
mock.call.read(self.config_file),
mock.call.has_section(section),
mock.call.add_section(section),
mock.call.set(section, self.option, self.value),
]
self.assertEqual(self.mock_config.mock_calls, expected_calls)
def testWriteConfig(self):
mock_open = mock.mock_open()
with mock.patch('%s.open' % builtin, mock_open, create=False):
self.mock_config_manager.WriteConfig()
expected_calls = [
mock.call('# %s' % self.config_header),
mock.call('\n\n'),
]
self.assertEqual(mock_open().write.mock_calls, expected_calls)
@mock.patch('google_compute_engine.config_manager.file_utils')
def testWriteConfigNoHeader(self, mock_lock):
self.mock_config_manager = config_manager.ConfigManager(
config_file='/tmp/file.cfg')
mock_open = mock.mock_open()
with mock.patch('%s.open' % builtin, mock_open, create=False):
self.mock_config_manager.WriteConfig()
mock_open().write.assert_not_called()
mock_lock.LockFile.assert_called_once_with('/var/lock/google_file.lock')
@mock.patch('google_compute_engine.config_manager.file_utils')
def testWriteConfigLocked(self, mock_lock):
ioerror = IOError('Test Error')
mock_lock.LockFile.side_effect = ioerror
mock_open = mock.mock_open()
with mock.patch('%s.open' % builtin, mock_open, create=False):
with self.assertRaises(IOError) as error:
self.mock_config_manager.WriteConfig()
self.assertEqual(error.exception, ioerror)
mock_open().write.assert_not_called()
mock_lock.LockFile.assert_called_once_with('/var/lock/google_test.lock')
if __name__ == '__main__':
unittest.main()
|
