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
|
# Copyright 2012, Red Hat, Inc.
#
# 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.
import threading
import warnings
import mock
from oslotest import base as test_base
import six
from oslo_utils import eventletutils
class EventletUtilsTest(test_base.BaseTestCase):
def setUp(self):
super(EventletUtilsTest, self).setUp()
self._old_avail = eventletutils.EVENTLET_AVAILABLE
eventletutils.EVENTLET_AVAILABLE = True
def tearDown(self):
super(EventletUtilsTest, self).tearDown()
eventletutils.EVENTLET_AVAILABLE = self._old_avail
@mock.patch("oslo_utils.eventletutils._patcher")
def test_warning_not_patched(self, mock_patcher):
mock_patcher.already_patched = True
mock_patcher.is_monkey_patched.return_value = False
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['os'])
self.assertEqual(1, len(capture))
w = capture[0]
self.assertEqual(RuntimeWarning, w.category)
self.assertIn('os', six.text_type(w.message))
@mock.patch("oslo_utils.eventletutils._patcher")
def test_warning_not_patched_none_provided(self, mock_patcher):
mock_patcher.already_patched = True
mock_patcher.is_monkey_patched.return_value = False
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched()
self.assertEqual(1, len(capture))
w = capture[0]
self.assertEqual(RuntimeWarning, w.category)
for m in eventletutils._ALL_PATCH:
self.assertIn(m, six.text_type(w.message))
@mock.patch("oslo_utils.eventletutils._patcher")
def test_warning_not_patched_all(self, mock_patcher):
mock_patcher.already_patched = True
mock_patcher.is_monkey_patched.return_value = False
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['all'])
self.assertEqual(1, len(capture))
w = capture[0]
self.assertEqual(RuntimeWarning, w.category)
for m in eventletutils._ALL_PATCH:
self.assertIn(m, six.text_type(w.message))
@mock.patch("oslo_utils.eventletutils._patcher")
def test_no_warning(self, mock_patcher):
mock_patcher.already_patched = True
mock_patcher.is_monkey_patched.return_value = True
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['os'])
self.assertEqual(0, len(capture))
@mock.patch("oslo_utils.eventletutils._patcher")
def test_eventlet_is_patched(self, mock_patcher):
mock_patcher.is_monkey_patched.return_value = True
self.assertTrue(eventletutils.is_monkey_patched('os'))
mock_patcher.is_monkey_patched.return_value = False
self.assertFalse(eventletutils.is_monkey_patched('os'))
@mock.patch("oslo_utils.eventletutils._patcher", None)
def test_eventlet_no_patcher(self):
self.assertFalse(eventletutils.is_monkey_patched('os'))
@mock.patch("oslo_utils.eventletutils._patcher")
def test_partially_patched_warning(self, mock_patcher):
is_patched = set()
mock_patcher.already_patched = True
mock_patcher.is_monkey_patched.side_effect = lambda m: m in is_patched
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['os'])
self.assertEqual(1, len(capture))
is_patched.add('os')
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['os'])
self.assertEqual(0, len(capture))
is_patched.add('thread')
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['os', 'thread'])
self.assertEqual(0, len(capture))
with warnings.catch_warnings(record=True) as capture:
warnings.simplefilter("always")
eventletutils.warn_eventlet_not_patched(['all'])
self.assertEqual(1, len(capture))
w = capture[0]
self.assertEqual(RuntimeWarning, w.category)
for m in ['os', 'thread']:
self.assertNotIn(m, six.text_type(w.message))
def test_invalid_patch_check(self):
self.assertRaises(ValueError,
eventletutils.warn_eventlet_not_patched,
['blah.blah'])
@mock.patch('oslo_utils.eventletutils._eventlet')
def test_event_api_compat(self, mock_eventlet):
with mock.patch('oslo_utils.eventletutils.is_monkey_patched',
return_value=True):
e_event = eventletutils.Event()
self.assertIsInstance(e_event, eventletutils._Event)
t_event = eventletutils.Event()
if six.PY3:
t_event_cls = threading.Event
else:
t_event_cls = threading._Event
self.assertIsInstance(t_event, t_event_cls)
public_methods = [m for m in dir(t_event) if not m.startswith("_") and
callable(getattr(t_event, m))]
for method in public_methods:
self.assertTrue(hasattr(e_event, method))
# Ensure set() allows multiple invocations, same as in
# threading implementation. Must call reset on underlying
# Event before reusing it
e_event.set()
self.assertEqual(0, mock_eventlet.event.Event().reset.call_count)
e_event.set()
self.assertEqual(1, mock_eventlet.event.Event().reset.call_count)
|
