root / test / ganeti.locking_unittest.py @ 819ca990
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1 | 162c1c1f | Guido Trotter | #!/usr/bin/python
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2 | 162c1c1f | Guido Trotter | #
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3 | 162c1c1f | Guido Trotter | |
4 | 7f93570a | Iustin Pop | # Copyright (C) 2006, 2007, 2010 Google Inc.
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5 | 162c1c1f | Guido Trotter | #
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6 | 162c1c1f | Guido Trotter | # This program is free software; you can redistribute it and/or modify
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7 | 162c1c1f | Guido Trotter | # it under the terms of the GNU General Public License as published by
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8 | 162c1c1f | Guido Trotter | # the Free Software Foundation; either version 2 of the License, or
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9 | 162c1c1f | Guido Trotter | # (at your option) any later version.
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10 | 162c1c1f | Guido Trotter | #
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11 | 162c1c1f | Guido Trotter | # This program is distributed in the hope that it will be useful, but
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12 | 162c1c1f | Guido Trotter | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 162c1c1f | Guido Trotter | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 162c1c1f | Guido Trotter | # General Public License for more details.
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15 | 162c1c1f | Guido Trotter | #
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16 | 162c1c1f | Guido Trotter | # You should have received a copy of the GNU General Public License
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17 | 162c1c1f | Guido Trotter | # along with this program; if not, write to the Free Software
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18 | 162c1c1f | Guido Trotter | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 162c1c1f | Guido Trotter | # 0.0510-1301, USA.
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20 | 162c1c1f | Guido Trotter | |
21 | 162c1c1f | Guido Trotter | |
22 | 162c1c1f | Guido Trotter | """Script for unittesting the locking module"""
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23 | 162c1c1f | Guido Trotter | |
24 | 162c1c1f | Guido Trotter | |
25 | 162c1c1f | Guido Trotter | import os |
26 | 162c1c1f | Guido Trotter | import unittest |
27 | 162c1c1f | Guido Trotter | import time |
28 | 162c1c1f | Guido Trotter | import Queue |
29 | 84e344d4 | Michael Hanselmann | import threading |
30 | 19b9ba9a | Michael Hanselmann | import random |
31 | 887c7aa6 | Michael Hanselmann | import itertools |
32 | 162c1c1f | Guido Trotter | |
33 | 162c1c1f | Guido Trotter | from ganeti import locking |
34 | a95fd5d7 | Guido Trotter | from ganeti import errors |
35 | 19b9ba9a | Michael Hanselmann | from ganeti import utils |
36 | 887c7aa6 | Michael Hanselmann | from ganeti import compat |
37 | 162c1c1f | Guido Trotter | |
38 | 25231ec5 | Michael Hanselmann | import testutils |
39 | 25231ec5 | Michael Hanselmann | |
40 | 162c1c1f | Guido Trotter | |
41 | 42a999d1 | Guido Trotter | # This is used to test the ssynchronize decorator.
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42 | 42a999d1 | Guido Trotter | # Since it's passed as input to a decorator it must be declared as a global.
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43 | 7f93570a | Iustin Pop | _decoratorlock = locking.SharedLock("decorator lock")
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44 | 42a999d1 | Guido Trotter | |
45 | 4607c978 | Iustin Pop | #: List for looping tests
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46 | 4607c978 | Iustin Pop | ITERATIONS = range(8) |
47 | 4607c978 | Iustin Pop | |
48 | 84e344d4 | Michael Hanselmann | |
49 | 4607c978 | Iustin Pop | def _Repeat(fn): |
50 | 4607c978 | Iustin Pop | """Decorator for executing a function many times"""
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51 | 4607c978 | Iustin Pop | def wrapper(*args, **kwargs): |
52 | 4607c978 | Iustin Pop | for i in ITERATIONS: |
53 | 4607c978 | Iustin Pop | fn(*args, **kwargs) |
54 | 4607c978 | Iustin Pop | return wrapper
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55 | 4607c978 | Iustin Pop | |
56 | 84e344d4 | Michael Hanselmann | |
57 | 5aab242c | Michael Hanselmann | def SafeSleep(duration): |
58 | 5aab242c | Michael Hanselmann | start = time.time() |
59 | 5aab242c | Michael Hanselmann | while True: |
60 | 5aab242c | Michael Hanselmann | delay = start + duration - time.time() |
61 | 5aab242c | Michael Hanselmann | if delay <= 0.0: |
62 | 5aab242c | Michael Hanselmann | break
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63 | 5aab242c | Michael Hanselmann | time.sleep(delay) |
64 | 5aab242c | Michael Hanselmann | |
65 | 5aab242c | Michael Hanselmann | |
66 | 4607c978 | Iustin Pop | class _ThreadedTestCase(unittest.TestCase): |
67 | 4607c978 | Iustin Pop | """Test class that supports adding/waiting on threads"""
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68 | 4607c978 | Iustin Pop | def setUp(self): |
69 | 4607c978 | Iustin Pop | unittest.TestCase.setUp(self)
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70 | 63f2e724 | Guido Trotter | self.done = Queue.Queue(0) |
71 | 4607c978 | Iustin Pop | self.threads = []
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72 | 4607c978 | Iustin Pop | |
73 | 4607c978 | Iustin Pop | def _addThread(self, *args, **kwargs): |
74 | 4607c978 | Iustin Pop | """Create and remember a new thread"""
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75 | 84e344d4 | Michael Hanselmann | t = threading.Thread(*args, **kwargs) |
76 | 4607c978 | Iustin Pop | self.threads.append(t)
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77 | 4607c978 | Iustin Pop | t.start() |
78 | 4607c978 | Iustin Pop | return t
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79 | 4607c978 | Iustin Pop | |
80 | 4607c978 | Iustin Pop | def _waitThreads(self): |
81 | 4607c978 | Iustin Pop | """Wait for all our threads to finish"""
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82 | 4607c978 | Iustin Pop | for t in self.threads: |
83 | 4607c978 | Iustin Pop | t.join(60)
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84 | 4607c978 | Iustin Pop | self.failIf(t.isAlive())
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85 | 4607c978 | Iustin Pop | self.threads = []
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86 | 42a999d1 | Guido Trotter | |
87 | 4607c978 | Iustin Pop | |
88 | c5fe2a67 | Guido Trotter | class _ConditionTestCase(_ThreadedTestCase): |
89 | c5fe2a67 | Guido Trotter | """Common test case for conditions"""
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90 | 48dabc6a | Michael Hanselmann | |
91 | c5fe2a67 | Guido Trotter | def setUp(self, cls): |
92 | 48dabc6a | Michael Hanselmann | _ThreadedTestCase.setUp(self)
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93 | 48dabc6a | Michael Hanselmann | self.lock = threading.Lock()
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94 | c5fe2a67 | Guido Trotter | self.cond = cls(self.lock) |
95 | 48dabc6a | Michael Hanselmann | |
96 | c5fe2a67 | Guido Trotter | def _testAcquireRelease(self): |
97 | 158206e0 | Manuel Franceschini | self.assertFalse(self.cond._is_owned()) |
98 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
99 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
100 | 48dabc6a | Michael Hanselmann | |
101 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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102 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
103 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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104 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
105 | 48dabc6a | Michael Hanselmann | self.cond.release()
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106 | 48dabc6a | Michael Hanselmann | |
107 | 158206e0 | Manuel Franceschini | self.assertFalse(self.cond._is_owned()) |
108 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
109 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
110 | 48dabc6a | Michael Hanselmann | |
111 | c5fe2a67 | Guido Trotter | def _testNotification(self): |
112 | 48dabc6a | Michael Hanselmann | def _NotifyAll(): |
113 | b8140229 | Guido Trotter | self.done.put("NE") |
114 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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115 | b8140229 | Guido Trotter | self.done.put("NA") |
116 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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117 | b8140229 | Guido Trotter | self.done.put("NN") |
118 | 48dabc6a | Michael Hanselmann | self.cond.release()
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119 | 48dabc6a | Michael Hanselmann | |
120 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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121 | 48dabc6a | Michael Hanselmann | self._addThread(target=_NotifyAll)
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122 | b8140229 | Guido Trotter | self.assertEqual(self.done.get(True, 1), "NE") |
123 | b8140229 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get_nowait) |
124 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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125 | b8140229 | Guido Trotter | self.assertEqual(self.done.get(True, 1), "NA") |
126 | b8140229 | Guido Trotter | self.assertEqual(self.done.get(True, 1), "NN") |
127 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
128 | 48dabc6a | Michael Hanselmann | self.cond.release()
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129 | 158206e0 | Manuel Franceschini | self.assertFalse(self.cond._is_owned()) |
130 | 48dabc6a | Michael Hanselmann | |
131 | c5fe2a67 | Guido Trotter | |
132 | 34cb5617 | Guido Trotter | class TestSingleNotifyPipeCondition(_ConditionTestCase): |
133 | 34cb5617 | Guido Trotter | """SingleNotifyPipeCondition tests"""
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134 | 34cb5617 | Guido Trotter | |
135 | 34cb5617 | Guido Trotter | def setUp(self): |
136 | 34cb5617 | Guido Trotter | _ConditionTestCase.setUp(self, locking.SingleNotifyPipeCondition)
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137 | 34cb5617 | Guido Trotter | |
138 | 34cb5617 | Guido Trotter | def testAcquireRelease(self): |
139 | 34cb5617 | Guido Trotter | self._testAcquireRelease()
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140 | 34cb5617 | Guido Trotter | |
141 | 34cb5617 | Guido Trotter | def testNotification(self): |
142 | 34cb5617 | Guido Trotter | self._testNotification()
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143 | 34cb5617 | Guido Trotter | |
144 | 34cb5617 | Guido Trotter | def testWaitReuse(self): |
145 | 34cb5617 | Guido Trotter | self.cond.acquire()
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146 | 34cb5617 | Guido Trotter | self.cond.wait(0) |
147 | 34cb5617 | Guido Trotter | self.cond.wait(0.1) |
148 | 34cb5617 | Guido Trotter | self.cond.release()
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149 | 34cb5617 | Guido Trotter | |
150 | 34cb5617 | Guido Trotter | def testNoNotifyReuse(self): |
151 | 34cb5617 | Guido Trotter | self.cond.acquire()
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152 | 34cb5617 | Guido Trotter | self.cond.notifyAll()
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153 | 34cb5617 | Guido Trotter | self.assertRaises(RuntimeError, self.cond.wait) |
154 | 34cb5617 | Guido Trotter | self.assertRaises(RuntimeError, self.cond.notifyAll) |
155 | 34cb5617 | Guido Trotter | self.cond.release()
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156 | 34cb5617 | Guido Trotter | |
157 | 34cb5617 | Guido Trotter | |
158 | c5fe2a67 | Guido Trotter | class TestPipeCondition(_ConditionTestCase): |
159 | 34cb5617 | Guido Trotter | """PipeCondition tests"""
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160 | c5fe2a67 | Guido Trotter | |
161 | c5fe2a67 | Guido Trotter | def setUp(self): |
162 | 34cb5617 | Guido Trotter | _ConditionTestCase.setUp(self, locking.PipeCondition)
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163 | c5fe2a67 | Guido Trotter | |
164 | c5fe2a67 | Guido Trotter | def testAcquireRelease(self): |
165 | c5fe2a67 | Guido Trotter | self._testAcquireRelease()
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166 | c5fe2a67 | Guido Trotter | |
167 | c5fe2a67 | Guido Trotter | def testNotification(self): |
168 | c5fe2a67 | Guido Trotter | self._testNotification()
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169 | c5fe2a67 | Guido Trotter | |
170 | 48dabc6a | Michael Hanselmann | def _TestWait(self, fn): |
171 | c31825f7 | Michael Hanselmann | threads = [ |
172 | c31825f7 | Michael Hanselmann | self._addThread(target=fn),
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173 | c31825f7 | Michael Hanselmann | self._addThread(target=fn),
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174 | c31825f7 | Michael Hanselmann | self._addThread(target=fn),
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175 | c31825f7 | Michael Hanselmann | ] |
176 | 48dabc6a | Michael Hanselmann | |
177 | 48dabc6a | Michael Hanselmann | # Wait for threads to be waiting
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178 | c31825f7 | Michael Hanselmann | for _ in threads: |
179 | c31825f7 | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
180 | 48dabc6a | Michael Hanselmann | |
181 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
182 | 48dabc6a | Michael Hanselmann | |
183 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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184 | c31825f7 | Michael Hanselmann | self.assertEqual(len(self.cond._waiters), 3) |
185 | c31825f7 | Michael Hanselmann | self.assertEqual(self.cond._waiters, set(threads)) |
186 | c31825f7 | Michael Hanselmann | # This new thread can't acquire the lock, and thus call wait, before we
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187 | 48dabc6a | Michael Hanselmann | # release it
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188 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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189 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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190 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
191 | 48dabc6a | Michael Hanselmann | self.cond.release()
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192 | 48dabc6a | Michael Hanselmann | |
193 | 48dabc6a | Michael Hanselmann | # We should now get 3 W and 1 A (for the new thread) in whatever order
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194 | 48dabc6a | Michael Hanselmann | w = 0
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195 | 48dabc6a | Michael Hanselmann | a = 0
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196 | 48dabc6a | Michael Hanselmann | for i in range(4): |
197 | 48dabc6a | Michael Hanselmann | got = self.done.get(True, 1) |
198 | 48dabc6a | Michael Hanselmann | if got == "W": |
199 | 48dabc6a | Michael Hanselmann | w += 1
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200 | 48dabc6a | Michael Hanselmann | elif got == "A": |
201 | 48dabc6a | Michael Hanselmann | a += 1
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202 | 48dabc6a | Michael Hanselmann | else:
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203 | 48dabc6a | Michael Hanselmann | self.fail("Got %s on the done queue" % got) |
204 | 48dabc6a | Michael Hanselmann | |
205 | 48dabc6a | Michael Hanselmann | self.assertEqual(w, 3) |
206 | 48dabc6a | Michael Hanselmann | self.assertEqual(a, 1) |
207 | 48dabc6a | Michael Hanselmann | |
208 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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209 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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210 | 48dabc6a | Michael Hanselmann | self.cond.release()
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211 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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212 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "W") |
213 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
214 | 48dabc6a | Michael Hanselmann | |
215 | 48dabc6a | Michael Hanselmann | def testBlockingWait(self): |
216 | 48dabc6a | Michael Hanselmann | def _BlockingWait(): |
217 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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218 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
219 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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220 | 48dabc6a | Michael Hanselmann | self.cond.release()
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221 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
222 | 48dabc6a | Michael Hanselmann | |
223 | 48dabc6a | Michael Hanselmann | self._TestWait(_BlockingWait)
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224 | 48dabc6a | Michael Hanselmann | |
225 | 48dabc6a | Michael Hanselmann | def testLongTimeoutWait(self): |
226 | 48dabc6a | Michael Hanselmann | def _Helper(): |
227 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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228 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
229 | 48dabc6a | Michael Hanselmann | self.cond.wait(15.0) |
230 | 48dabc6a | Michael Hanselmann | self.cond.release()
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231 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
232 | 48dabc6a | Michael Hanselmann | |
233 | 48dabc6a | Michael Hanselmann | self._TestWait(_Helper)
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234 | 48dabc6a | Michael Hanselmann | |
235 | 48dabc6a | Michael Hanselmann | def _TimeoutWait(self, timeout, check): |
236 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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237 | 48dabc6a | Michael Hanselmann | self.cond.wait(timeout)
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238 | 48dabc6a | Michael Hanselmann | self.cond.release()
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239 | 48dabc6a | Michael Hanselmann | self.done.put(check)
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240 | 48dabc6a | Michael Hanselmann | |
241 | 48dabc6a | Michael Hanselmann | def testShortTimeoutWait(self): |
242 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
243 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
244 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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245 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
246 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
247 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
248 | 48dabc6a | Michael Hanselmann | |
249 | 48dabc6a | Michael Hanselmann | def testZeroTimeoutWait(self): |
250 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
251 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
252 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
253 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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254 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
255 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
256 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
257 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
258 | 48dabc6a | Michael Hanselmann | |
259 | 48dabc6a | Michael Hanselmann | |
260 | 4607c978 | Iustin Pop | class TestSharedLock(_ThreadedTestCase): |
261 | d6646186 | Guido Trotter | """SharedLock tests"""
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262 | 162c1c1f | Guido Trotter | |
263 | 162c1c1f | Guido Trotter | def setUp(self): |
264 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
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265 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock("TestSharedLock") |
266 | 162c1c1f | Guido Trotter | |
267 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
268 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned()) |
269 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
270 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
271 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
272 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned(shared=0)) |
273 | 162c1c1f | Guido Trotter | self.sl.release()
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274 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned()) |
275 | 162c1c1f | Guido Trotter | self.sl.acquire()
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276 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
277 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned(shared=1)) |
278 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
279 | 162c1c1f | Guido Trotter | self.sl.release()
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280 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned()) |
281 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
282 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
283 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
284 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned(shared=0)) |
285 | 162c1c1f | Guido Trotter | self.sl.release()
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286 | 158206e0 | Manuel Franceschini | self.assertFalse(self.sl._is_owned()) |
287 | 162c1c1f | Guido Trotter | |
288 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
289 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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290 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
291 | 162c1c1f | Guido Trotter | self.sl.release()
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292 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
293 | 162c1c1f | Guido Trotter | self.sl.release()
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294 | 162c1c1f | Guido Trotter | |
295 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
296 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
297 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
298 | 162c1c1f | Guido Trotter | |
299 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
300 | 162c1c1f | Guido Trotter | self.sl.acquire()
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301 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
302 | 162c1c1f | Guido Trotter | |
303 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
304 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
305 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
306 | 162c1c1f | Guido Trotter | |
307 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
308 | 162c1c1f | Guido Trotter | self.sl.acquire()
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309 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
310 | 162c1c1f | Guido Trotter | |
311 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
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312 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
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313 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
314 | a95fd5d7 | Guido Trotter | try:
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315 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
316 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
317 | a95fd5d7 | Guido Trotter | self.sl.release()
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318 | a95fd5d7 | Guido Trotter | except errors.LockError:
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319 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
320 | 162c1c1f | Guido Trotter | |
321 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
322 | a95fd5d7 | Guido Trotter | try:
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323 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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324 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
325 | a95fd5d7 | Guido Trotter | self.sl.release()
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326 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
327 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
328 | a95fd5d7 | Guido Trotter | |
329 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
330 | a95fd5d7 | Guido Trotter | try:
|
331 | 4354ab03 | Guido Trotter | self.sl.delete()
|
332 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
333 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
334 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
335 | 162c1c1f | Guido Trotter | |
336 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
337 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
338 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
339 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
340 | 162c1c1f | Guido Trotter | self.sl.release()
|
341 | 162c1c1f | Guido Trotter | |
342 | 4607c978 | Iustin Pop | @_Repeat
|
343 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
344 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
345 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
346 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
347 | 162c1c1f | Guido Trotter | self.sl.release()
|
348 | 4607c978 | Iustin Pop | self._waitThreads()
|
349 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
350 | 162c1c1f | Guido Trotter | |
351 | 4607c978 | Iustin Pop | @_Repeat
|
352 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
353 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
354 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
355 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
356 | a95fd5d7 | Guido Trotter | self.sl.release()
|
357 | 4607c978 | Iustin Pop | self._waitThreads()
|
358 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
359 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock(self.sl.name) |
360 | a95fd5d7 | Guido Trotter | |
361 | 4607c978 | Iustin Pop | @_Repeat
|
362 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
363 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
364 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
365 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
366 | 162c1c1f | Guido Trotter | self.sl.release()
|
367 | 4607c978 | Iustin Pop | self._waitThreads()
|
368 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
369 | 162c1c1f | Guido Trotter | |
370 | 4607c978 | Iustin Pop | @_Repeat
|
371 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
372 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
373 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
374 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
375 | 162c1c1f | Guido Trotter | self.sl.release()
|
376 | 4607c978 | Iustin Pop | self._waitThreads()
|
377 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
378 | 162c1c1f | Guido Trotter | |
379 | 4607c978 | Iustin Pop | @_Repeat
|
380 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
381 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
382 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
383 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
384 | a95fd5d7 | Guido Trotter | self.sl.release()
|
385 | 4607c978 | Iustin Pop | self._waitThreads()
|
386 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
387 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock(self.sl.name) |
388 | a95fd5d7 | Guido Trotter | |
389 | 4607c978 | Iustin Pop | @_Repeat
|
390 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
391 | e6416152 | Iustin Pop | """SKIPPED testWaitingExclusiveBlockSharer"""
|
392 | e6416152 | Iustin Pop | return
|
393 | e6416152 | Iustin Pop | |
394 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
395 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
|
396 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
397 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
|
398 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
399 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
|
400 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
401 | 162c1c1f | Guido Trotter | self.sl.release()
|
402 | 4607c978 | Iustin Pop | self._waitThreads()
|
403 | 162c1c1f | Guido Trotter | # The exclusive passed before
|
404 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
405 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
406 | 162c1c1f | Guido Trotter | |
407 | 4607c978 | Iustin Pop | @_Repeat
|
408 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
409 | a143be68 | Iustin Pop | """SKIPPED testWaitingSharerBlocksExclusive"""
|
410 | a143be68 | Iustin Pop | return
|
411 | a143be68 | Iustin Pop | |
412 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
413 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
|
414 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
415 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
|
416 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
417 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
|
418 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
419 | 162c1c1f | Guido Trotter | self.sl.release()
|
420 | 4607c978 | Iustin Pop | self._waitThreads()
|
421 | 162c1c1f | Guido Trotter | # The sharer passed before
|
422 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'SHR') |
423 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'EXC') |
424 | 162c1c1f | Guido Trotter | |
425 | a95fd5d7 | Guido Trotter | def testDelete(self): |
426 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
427 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
428 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
429 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
430 | a95fd5d7 | Guido Trotter | |
431 | a66bd91b | Michael Hanselmann | def testDeleteTimeout(self): |
432 | a66bd91b | Michael Hanselmann | self.sl.delete(timeout=60) |
433 | a66bd91b | Michael Hanselmann | |
434 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
435 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
436 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
437 | 84152b96 | Guido Trotter | |
438 | 4607c978 | Iustin Pop | @_Repeat
|
439 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
440 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
441 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
442 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
443 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
444 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
445 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
446 | 4607c978 | Iustin Pop | self._waitThreads()
|
447 | 4607c978 | Iustin Pop | # The threads who were pending return ERR
|
448 | 4607c978 | Iustin Pop | for _ in range(4): |
449 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
450 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock(self.sl.name) |
451 | a95fd5d7 | Guido Trotter | |
452 | 4607c978 | Iustin Pop | @_Repeat
|
453 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
454 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
455 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
456 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
457 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
458 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
459 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
460 | 4607c978 | Iustin Pop | self._waitThreads()
|
461 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
|
462 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
463 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
464 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
465 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
466 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock(self.sl.name) |
467 | a95fd5d7 | Guido Trotter | |
468 | 84e344d4 | Michael Hanselmann | @_Repeat
|
469 | 84e344d4 | Michael Hanselmann | def testExclusiveAcquireTimeout(self): |
470 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
471 | 008b92fa | Michael Hanselmann | on_queue = threading.Event() |
472 | 008b92fa | Michael Hanselmann | release_exclusive = threading.Event() |
473 | 008b92fa | Michael Hanselmann | |
474 | 008b92fa | Michael Hanselmann | def _LockExclusive(): |
475 | 008b92fa | Michael Hanselmann | self.sl.acquire(shared=0, test_notify=on_queue.set) |
476 | 008b92fa | Michael Hanselmann | self.done.put("A: start wait") |
477 | 008b92fa | Michael Hanselmann | release_exclusive.wait() |
478 | 008b92fa | Michael Hanselmann | self.done.put("A: end wait") |
479 | 008b92fa | Michael Hanselmann | self.sl.release()
|
480 | 008b92fa | Michael Hanselmann | |
481 | 008b92fa | Michael Hanselmann | # Start thread to hold lock in exclusive mode
|
482 | 008b92fa | Michael Hanselmann | self._addThread(target=_LockExclusive)
|
483 | 84e344d4 | Michael Hanselmann | |
484 | 008b92fa | Michael Hanselmann | # Wait for wait to begin
|
485 | 008b92fa | Michael Hanselmann | self.assertEqual(self.done.get(timeout=60), "A: start wait") |
486 | 008b92fa | Michael Hanselmann | |
487 | 008b92fa | Michael Hanselmann | # Wait up to 60s to get lock, but release exclusive lock as soon as we're
|
488 | 008b92fa | Michael Hanselmann | # on the queue
|
489 | 008b92fa | Michael Hanselmann | self.failUnless(self.sl.acquire(shared=shared, timeout=60, |
490 | 008b92fa | Michael Hanselmann | test_notify=release_exclusive.set)) |
491 | 2042aa94 | Michael Hanselmann | |
492 | 84e344d4 | Michael Hanselmann | self.done.put("got 2nd") |
493 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
494 | 84e344d4 | Michael Hanselmann | |
495 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
496 | 84e344d4 | Michael Hanselmann | |
497 | 008b92fa | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "A: end wait") |
498 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "got 2nd") |
499 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
500 | 84e344d4 | Michael Hanselmann | |
501 | 84e344d4 | Michael Hanselmann | @_Repeat
|
502 | 84e344d4 | Michael Hanselmann | def testAcquireExpiringTimeout(self): |
503 | 84e344d4 | Michael Hanselmann | def _AcquireWithTimeout(shared, timeout): |
504 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=shared, timeout=timeout): |
505 | 84e344d4 | Michael Hanselmann | self.done.put("timeout") |
506 | 84e344d4 | Michael Hanselmann | |
507 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
508 | 84e344d4 | Michael Hanselmann | # Lock exclusively
|
509 | 84e344d4 | Michael Hanselmann | self.sl.acquire()
|
510 | 84e344d4 | Michael Hanselmann | |
511 | 84e344d4 | Michael Hanselmann | # Start shared acquires with timeout between 0 and 20 ms
|
512 | f1501b3f | Michael Hanselmann | for i in range(11): |
513 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireWithTimeout,
|
514 | 84e344d4 | Michael Hanselmann | args=(shared, i * 2.0 / 1000.0)) |
515 | 84e344d4 | Michael Hanselmann | |
516 | 84e344d4 | Michael Hanselmann | # Wait for threads to finish (makes sure the acquire timeout expires
|
517 | 84e344d4 | Michael Hanselmann | # before releasing the lock)
|
518 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
519 | 84e344d4 | Michael Hanselmann | |
520 | 84e344d4 | Michael Hanselmann | # Release lock
|
521 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
522 | 84e344d4 | Michael Hanselmann | |
523 | f1501b3f | Michael Hanselmann | for _ in range(11): |
524 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "timeout") |
525 | 84e344d4 | Michael Hanselmann | |
526 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
527 | 84e344d4 | Michael Hanselmann | |
528 | 84e344d4 | Michael Hanselmann | @_Repeat
|
529 | 84e344d4 | Michael Hanselmann | def testSharedSkipExclusiveAcquires(self): |
530 | 84e344d4 | Michael Hanselmann | # Tests whether shared acquires jump in front of exclusive acquires in the
|
531 | 84e344d4 | Michael Hanselmann | # queue.
|
532 | 84e344d4 | Michael Hanselmann | |
533 | 008b92fa | Michael Hanselmann | def _Acquire(shared, name, notify_ev, wait_ev): |
534 | 008b92fa | Michael Hanselmann | if notify_ev:
|
535 | 008b92fa | Michael Hanselmann | notify_fn = notify_ev.set |
536 | 008b92fa | Michael Hanselmann | else:
|
537 | 008b92fa | Michael Hanselmann | notify_fn = None
|
538 | 84e344d4 | Michael Hanselmann | |
539 | 008b92fa | Michael Hanselmann | if wait_ev:
|
540 | 008b92fa | Michael Hanselmann | wait_ev.wait() |
541 | 008b92fa | Michael Hanselmann | |
542 | 008b92fa | Michael Hanselmann | if not self.sl.acquire(shared=shared, test_notify=notify_fn): |
543 | 84e344d4 | Michael Hanselmann | return
|
544 | 84e344d4 | Michael Hanselmann | |
545 | 84e344d4 | Michael Hanselmann | self.done.put(name)
|
546 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
547 | 84e344d4 | Michael Hanselmann | |
548 | 008b92fa | Michael Hanselmann | # Get exclusive lock while we fill the queue
|
549 | 008b92fa | Michael Hanselmann | self.sl.acquire()
|
550 | 84e344d4 | Michael Hanselmann | |
551 | 008b92fa | Michael Hanselmann | shrcnt1 = 5
|
552 | 008b92fa | Michael Hanselmann | shrcnt2 = 7
|
553 | 008b92fa | Michael Hanselmann | shrcnt3 = 9
|
554 | 008b92fa | Michael Hanselmann | shrcnt4 = 2
|
555 | 84e344d4 | Michael Hanselmann | |
556 | 008b92fa | Michael Hanselmann | # Add acquires using threading.Event for synchronization. They'll be
|
557 | 008b92fa | Michael Hanselmann | # acquired exactly in the order defined in this list.
|
558 | 008b92fa | Michael Hanselmann | acquires = (shrcnt1 * [(1, "shared 1")] + |
559 | 008b92fa | Michael Hanselmann | 3 * [(0, "exclusive 1")] + |
560 | 008b92fa | Michael Hanselmann | shrcnt2 * [(1, "shared 2")] + |
561 | 008b92fa | Michael Hanselmann | shrcnt3 * [(1, "shared 3")] + |
562 | 008b92fa | Michael Hanselmann | shrcnt4 * [(1, "shared 4")] + |
563 | 008b92fa | Michael Hanselmann | 3 * [(0, "exclusive 2")]) |
564 | 84e344d4 | Michael Hanselmann | |
565 | 008b92fa | Michael Hanselmann | ev_cur = None
|
566 | 008b92fa | Michael Hanselmann | ev_prev = None
|
567 | 008b92fa | Michael Hanselmann | |
568 | 008b92fa | Michael Hanselmann | for args in acquires: |
569 | 008b92fa | Michael Hanselmann | ev_cur = threading.Event() |
570 | 008b92fa | Michael Hanselmann | self._addThread(target=_Acquire, args=args + (ev_cur, ev_prev))
|
571 | 008b92fa | Michael Hanselmann | ev_prev = ev_cur |
572 | 008b92fa | Michael Hanselmann | |
573 | 008b92fa | Michael Hanselmann | # Wait for last acquire to start
|
574 | 008b92fa | Michael Hanselmann | ev_prev.wait() |
575 | 84e344d4 | Michael Hanselmann | |
576 | 84e344d4 | Michael Hanselmann | # Expect 6 pending exclusive acquires and 1 for all shared acquires
|
577 | 008b92fa | Michael Hanselmann | # together
|
578 | 008b92fa | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 7) |
579 | 84e344d4 | Michael Hanselmann | |
580 | 84e344d4 | Michael Hanselmann | # Release exclusive lock and wait
|
581 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
582 | 84e344d4 | Michael Hanselmann | |
583 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
584 | 84e344d4 | Michael Hanselmann | |
585 | 84e344d4 | Michael Hanselmann | # Check sequence
|
586 | 008b92fa | Michael Hanselmann | for _ in range(shrcnt1 + shrcnt2 + shrcnt3 + shrcnt4): |
587 | 84e344d4 | Michael Hanselmann | # Shared locks aren't guaranteed to be notified in order, but they'll be
|
588 | 84e344d4 | Michael Hanselmann | # first
|
589 | 2042aa94 | Michael Hanselmann | tmp = self.done.get_nowait()
|
590 | 008b92fa | Michael Hanselmann | if tmp == "shared 1": |
591 | 008b92fa | Michael Hanselmann | shrcnt1 -= 1
|
592 | 008b92fa | Michael Hanselmann | elif tmp == "shared 2": |
593 | 008b92fa | Michael Hanselmann | shrcnt2 -= 1
|
594 | 008b92fa | Michael Hanselmann | elif tmp == "shared 3": |
595 | 008b92fa | Michael Hanselmann | shrcnt3 -= 1
|
596 | 008b92fa | Michael Hanselmann | elif tmp == "shared 4": |
597 | 008b92fa | Michael Hanselmann | shrcnt4 -= 1
|
598 | 008b92fa | Michael Hanselmann | self.assertEqual(shrcnt1, 0) |
599 | 008b92fa | Michael Hanselmann | self.assertEqual(shrcnt2, 0) |
600 | 008b92fa | Michael Hanselmann | self.assertEqual(shrcnt3, 0) |
601 | 008b92fa | Michael Hanselmann | self.assertEqual(shrcnt3, 0) |
602 | 84e344d4 | Michael Hanselmann | |
603 | f1501b3f | Michael Hanselmann | for _ in range(3): |
604 | 008b92fa | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive 1") |
605 | 84e344d4 | Michael Hanselmann | |
606 | f1501b3f | Michael Hanselmann | for _ in range(3): |
607 | 008b92fa | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive 2") |
608 | 84e344d4 | Michael Hanselmann | |
609 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
610 | 84e344d4 | Michael Hanselmann | |
611 | 84e344d4 | Michael Hanselmann | @_Repeat
|
612 | 84e344d4 | Michael Hanselmann | def testMixedAcquireTimeout(self): |
613 | 51e3bb92 | Michael Hanselmann | sync = threading.Event() |
614 | 84e344d4 | Michael Hanselmann | |
615 | 84e344d4 | Michael Hanselmann | def _AcquireShared(ev): |
616 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=1, timeout=None): |
617 | 84e344d4 | Michael Hanselmann | return
|
618 | 84e344d4 | Michael Hanselmann | |
619 | 84e344d4 | Michael Hanselmann | self.done.put("shared") |
620 | 84e344d4 | Michael Hanselmann | |
621 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
622 | 84e344d4 | Michael Hanselmann | ev.set() |
623 | 84e344d4 | Michael Hanselmann | |
624 | 51e3bb92 | Michael Hanselmann | # Wait for notification from main thread
|
625 | 51e3bb92 | Michael Hanselmann | sync.wait() |
626 | 84e344d4 | Michael Hanselmann | |
627 | 84e344d4 | Michael Hanselmann | # Release lock
|
628 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
629 | 84e344d4 | Michael Hanselmann | |
630 | 84e344d4 | Michael Hanselmann | acquires = [] |
631 | f1501b3f | Michael Hanselmann | for _ in range(3): |
632 | 84e344d4 | Michael Hanselmann | ev = threading.Event() |
633 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireShared, args=(ev, ))
|
634 | 84e344d4 | Michael Hanselmann | acquires.append(ev) |
635 | 84e344d4 | Michael Hanselmann | |
636 | 84e344d4 | Michael Hanselmann | # Wait for all acquires to finish
|
637 | 84e344d4 | Michael Hanselmann | for i in acquires: |
638 | 84e344d4 | Michael Hanselmann | i.wait() |
639 | 84e344d4 | Michael Hanselmann | |
640 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
641 | 84e344d4 | Michael Hanselmann | |
642 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
643 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
644 | 84e344d4 | Michael Hanselmann | |
645 | 84e344d4 | Michael Hanselmann | # Acquire exclusive without timeout
|
646 | 51e3bb92 | Michael Hanselmann | exclsync = threading.Event() |
647 | 84e344d4 | Michael Hanselmann | exclev = threading.Event() |
648 | 84e344d4 | Michael Hanselmann | |
649 | 84e344d4 | Michael Hanselmann | def _AcquireExclusive(): |
650 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=0): |
651 | 84e344d4 | Michael Hanselmann | return
|
652 | 84e344d4 | Michael Hanselmann | |
653 | 84e344d4 | Michael Hanselmann | self.done.put("exclusive") |
654 | 84e344d4 | Michael Hanselmann | |
655 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
656 | 84e344d4 | Michael Hanselmann | exclev.set() |
657 | 84e344d4 | Michael Hanselmann | |
658 | 51e3bb92 | Michael Hanselmann | # Wait for notification from main thread
|
659 | 51e3bb92 | Michael Hanselmann | exclsync.wait() |
660 | 84e344d4 | Michael Hanselmann | |
661 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
662 | 84e344d4 | Michael Hanselmann | |
663 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireExclusive)
|
664 | 84e344d4 | Michael Hanselmann | |
665 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
666 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
667 | 84e344d4 | Michael Hanselmann | |
668 | 84e344d4 | Michael Hanselmann | # Make all shared holders release their locks
|
669 | 51e3bb92 | Michael Hanselmann | sync.set() |
670 | 84e344d4 | Michael Hanselmann | |
671 | 84e344d4 | Michael Hanselmann | # Wait for exclusive acquire to succeed
|
672 | 84e344d4 | Michael Hanselmann | exclev.wait() |
673 | 84e344d4 | Michael Hanselmann | |
674 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
675 | 84e344d4 | Michael Hanselmann | |
676 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
677 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
678 | 84e344d4 | Michael Hanselmann | |
679 | 84e344d4 | Michael Hanselmann | def _AcquireSharedSimple(): |
680 | 84e344d4 | Michael Hanselmann | if self.sl.acquire(shared=1, timeout=None): |
681 | 84e344d4 | Michael Hanselmann | self.done.put("shared2") |
682 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
683 | 84e344d4 | Michael Hanselmann | |
684 | f1501b3f | Michael Hanselmann | for _ in range(10): |
685 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireSharedSimple)
|
686 | 84e344d4 | Michael Hanselmann | |
687 | 84e344d4 | Michael Hanselmann | # Tell exclusive lock to release
|
688 | 51e3bb92 | Michael Hanselmann | exclsync.set() |
689 | 84e344d4 | Michael Hanselmann | |
690 | 84e344d4 | Michael Hanselmann | # Wait for everything to finish
|
691 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
692 | 84e344d4 | Michael Hanselmann | |
693 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
694 | 84e344d4 | Michael Hanselmann | |
695 | 84e344d4 | Michael Hanselmann | # Check sequence
|
696 | f1501b3f | Michael Hanselmann | for _ in range(3): |
697 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared") |
698 | 84e344d4 | Michael Hanselmann | |
699 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive") |
700 | 84e344d4 | Michael Hanselmann | |
701 | f1501b3f | Michael Hanselmann | for _ in range(10): |
702 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared2") |
703 | 84e344d4 | Michael Hanselmann | |
704 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
705 | 84e344d4 | Michael Hanselmann | |
706 | 887c7aa6 | Michael Hanselmann | def testPriority(self): |
707 | 887c7aa6 | Michael Hanselmann | # Acquire in exclusive mode
|
708 | 887c7aa6 | Michael Hanselmann | self.assert_(self.sl.acquire(shared=0)) |
709 | 887c7aa6 | Michael Hanselmann | |
710 | 887c7aa6 | Michael Hanselmann | # Queue acquires
|
711 | 887c7aa6 | Michael Hanselmann | def _Acquire(prev, next, shared, priority, result): |
712 | 887c7aa6 | Michael Hanselmann | prev.wait() |
713 | 887c7aa6 | Michael Hanselmann | self.sl.acquire(shared=shared, priority=priority, test_notify=next.set) |
714 | 887c7aa6 | Michael Hanselmann | try:
|
715 | 887c7aa6 | Michael Hanselmann | self.done.put(result)
|
716 | 887c7aa6 | Michael Hanselmann | finally:
|
717 | 887c7aa6 | Michael Hanselmann | self.sl.release()
|
718 | 887c7aa6 | Michael Hanselmann | |
719 | 887c7aa6 | Michael Hanselmann | counter = itertools.count(0)
|
720 | 887c7aa6 | Michael Hanselmann | priorities = range(-20, 30) |
721 | 887c7aa6 | Michael Hanselmann | first = threading.Event() |
722 | 887c7aa6 | Michael Hanselmann | prev = first |
723 | 887c7aa6 | Michael Hanselmann | |
724 | 887c7aa6 | Michael Hanselmann | # Data structure:
|
725 | 887c7aa6 | Michael Hanselmann | # {
|
726 | 887c7aa6 | Michael Hanselmann | # priority:
|
727 | 887c7aa6 | Michael Hanselmann | # [(shared/exclusive, set(acquire names), set(pending threads)),
|
728 | 887c7aa6 | Michael Hanselmann | # (shared/exclusive, ...),
|
729 | 887c7aa6 | Michael Hanselmann | # ...,
|
730 | 887c7aa6 | Michael Hanselmann | # ],
|
731 | 887c7aa6 | Michael Hanselmann | # }
|
732 | 887c7aa6 | Michael Hanselmann | perprio = {} |
733 | 887c7aa6 | Michael Hanselmann | |
734 | 887c7aa6 | Michael Hanselmann | # References shared acquire per priority in L{perprio}. Data structure:
|
735 | 887c7aa6 | Michael Hanselmann | # {
|
736 | 887c7aa6 | Michael Hanselmann | # priority: (shared=1, set(acquire names), set(pending threads)),
|
737 | 887c7aa6 | Michael Hanselmann | # }
|
738 | 887c7aa6 | Michael Hanselmann | prioshared = {} |
739 | 887c7aa6 | Michael Hanselmann | |
740 | 887c7aa6 | Michael Hanselmann | for seed in [4979, 9523, 14902, 32440]: |
741 | 887c7aa6 | Michael Hanselmann | # Use a deterministic random generator
|
742 | 887c7aa6 | Michael Hanselmann | rnd = random.Random(seed) |
743 | 887c7aa6 | Michael Hanselmann | for priority in [rnd.choice(priorities) for _ in range(30)]: |
744 | 887c7aa6 | Michael Hanselmann | modes = [0, 1] |
745 | 887c7aa6 | Michael Hanselmann | rnd.shuffle(modes) |
746 | 887c7aa6 | Michael Hanselmann | for shared in modes: |
747 | 887c7aa6 | Michael Hanselmann | # Unique name
|
748 | 887c7aa6 | Michael Hanselmann | acqname = "%s/shr=%s/prio=%s" % (counter.next(), shared, priority)
|
749 | 887c7aa6 | Michael Hanselmann | |
750 | 887c7aa6 | Michael Hanselmann | ev = threading.Event() |
751 | 887c7aa6 | Michael Hanselmann | thread = self._addThread(target=_Acquire,
|
752 | 887c7aa6 | Michael Hanselmann | args=(prev, ev, shared, priority, acqname)) |
753 | 887c7aa6 | Michael Hanselmann | prev = ev |
754 | 887c7aa6 | Michael Hanselmann | |
755 | 887c7aa6 | Michael Hanselmann | # Record expected aqcuire, see above for structure
|
756 | 887c7aa6 | Michael Hanselmann | data = (shared, set([acqname]), set([thread])) |
757 | 887c7aa6 | Michael Hanselmann | priolist = perprio.setdefault(priority, []) |
758 | 887c7aa6 | Michael Hanselmann | if shared:
|
759 | 887c7aa6 | Michael Hanselmann | priosh = prioshared.get(priority, None)
|
760 | 887c7aa6 | Michael Hanselmann | if priosh:
|
761 | 887c7aa6 | Michael Hanselmann | # Shared acquires are merged
|
762 | 887c7aa6 | Michael Hanselmann | for i, j in zip(priosh[1:], data[1:]): |
763 | 887c7aa6 | Michael Hanselmann | i.update(j) |
764 | 887c7aa6 | Michael Hanselmann | assert data[0] == priosh[0] |
765 | 887c7aa6 | Michael Hanselmann | else:
|
766 | 887c7aa6 | Michael Hanselmann | prioshared[priority] = data |
767 | 887c7aa6 | Michael Hanselmann | priolist.append(data) |
768 | 887c7aa6 | Michael Hanselmann | else:
|
769 | 887c7aa6 | Michael Hanselmann | priolist.append(data) |
770 | 887c7aa6 | Michael Hanselmann | |
771 | 887c7aa6 | Michael Hanselmann | # Start all acquires and wait for them
|
772 | 887c7aa6 | Michael Hanselmann | first.set() |
773 | 887c7aa6 | Michael Hanselmann | prev.wait() |
774 | 887c7aa6 | Michael Hanselmann | |
775 | 887c7aa6 | Michael Hanselmann | # Check lock information
|
776 | 887c7aa6 | Michael Hanselmann | self.assertEqual(self.sl.GetInfo(["name"]), [self.sl.name]) |
777 | 887c7aa6 | Michael Hanselmann | self.assertEqual(self.sl.GetInfo(["mode", "owner"]), |
778 | 887c7aa6 | Michael Hanselmann | ["exclusive", [threading.currentThread().getName()]])
|
779 | 887c7aa6 | Michael Hanselmann | self.assertEqual(self.sl.GetInfo(["name", "pending"]), |
780 | 887c7aa6 | Michael Hanselmann | [self.sl.name,
|
781 | 887c7aa6 | Michael Hanselmann | [(["exclusive", "shared"][int(bool(shared))], |
782 | 887c7aa6 | Michael Hanselmann | sorted([t.getName() for t in threads])) |
783 | 887c7aa6 | Michael Hanselmann | for acquires in [perprio[i] |
784 | 887c7aa6 | Michael Hanselmann | for i in sorted(perprio.keys())] |
785 | 887c7aa6 | Michael Hanselmann | for (shared, _, threads) in acquires]]) |
786 | 887c7aa6 | Michael Hanselmann | |
787 | 887c7aa6 | Michael Hanselmann | # Let threads acquire the lock
|
788 | 887c7aa6 | Michael Hanselmann | self.sl.release()
|
789 | 887c7aa6 | Michael Hanselmann | |
790 | 887c7aa6 | Michael Hanselmann | # Wait for everything to finish
|
791 | 887c7aa6 | Michael Hanselmann | self._waitThreads()
|
792 | 887c7aa6 | Michael Hanselmann | |
793 | 887c7aa6 | Michael Hanselmann | self.assert_(self.sl._check_empty()) |
794 | 887c7aa6 | Michael Hanselmann | |
795 | 887c7aa6 | Michael Hanselmann | # Check acquires by priority
|
796 | 887c7aa6 | Michael Hanselmann | for acquires in [perprio[i] for i in sorted(perprio.keys())]: |
797 | 887c7aa6 | Michael Hanselmann | for (_, names, _) in acquires: |
798 | 887c7aa6 | Michael Hanselmann | # For shared acquires, the set will contain 1..n entries. For exclusive
|
799 | 887c7aa6 | Michael Hanselmann | # acquires only one.
|
800 | 887c7aa6 | Michael Hanselmann | while names:
|
801 | 887c7aa6 | Michael Hanselmann | names.remove(self.done.get_nowait())
|
802 | 887c7aa6 | Michael Hanselmann | self.assertFalse(compat.any(names for (_, names, _) in acquires)) |
803 | 887c7aa6 | Michael Hanselmann | |
804 | 887c7aa6 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
805 | 887c7aa6 | Michael Hanselmann | |
806 | 162c1c1f | Guido Trotter | |
807 | 1a4e32d0 | Guido Trotter | class TestSharedLockInCondition(_ThreadedTestCase): |
808 | 1a4e32d0 | Guido Trotter | """SharedLock as a condition lock tests"""
|
809 | 1a4e32d0 | Guido Trotter | |
810 | 1a4e32d0 | Guido Trotter | def setUp(self): |
811 | 1a4e32d0 | Guido Trotter | _ThreadedTestCase.setUp(self)
|
812 | 7f93570a | Iustin Pop | self.sl = locking.SharedLock("TestSharedLockInCondition") |
813 | 7f890059 | Guido Trotter | self.setCondition()
|
814 | 7f890059 | Guido Trotter | |
815 | 7f890059 | Guido Trotter | def setCondition(self): |
816 | 1a4e32d0 | Guido Trotter | self.cond = threading.Condition(self.sl) |
817 | 1a4e32d0 | Guido Trotter | |
818 | 1a4e32d0 | Guido Trotter | def testKeepMode(self): |
819 | 1a4e32d0 | Guido Trotter | self.cond.acquire(shared=1) |
820 | 1a4e32d0 | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
821 | 1a4e32d0 | Guido Trotter | self.cond.wait(0) |
822 | 1a4e32d0 | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
823 | 1a4e32d0 | Guido Trotter | self.cond.release()
|
824 | 1a4e32d0 | Guido Trotter | self.cond.acquire(shared=0) |
825 | 1a4e32d0 | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
826 | 1a4e32d0 | Guido Trotter | self.cond.wait(0) |
827 | 1a4e32d0 | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
828 | 1a4e32d0 | Guido Trotter | self.cond.release()
|
829 | 1a4e32d0 | Guido Trotter | |
830 | 1a4e32d0 | Guido Trotter | |
831 | 7f890059 | Guido Trotter | class TestSharedLockInPipeCondition(TestSharedLockInCondition): |
832 | 7f890059 | Guido Trotter | """SharedLock as a pipe condition lock tests"""
|
833 | 7f890059 | Guido Trotter | |
834 | 7f890059 | Guido Trotter | def setCondition(self): |
835 | 7f890059 | Guido Trotter | self.cond = locking.PipeCondition(self.sl) |
836 | 7f890059 | Guido Trotter | |
837 | 7f890059 | Guido Trotter | |
838 | 4607c978 | Iustin Pop | class TestSSynchronizedDecorator(_ThreadedTestCase): |
839 | 42a999d1 | Guido Trotter | """Shared Lock Synchronized decorator test"""
|
840 | 42a999d1 | Guido Trotter | |
841 | 42a999d1 | Guido Trotter | def setUp(self): |
842 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
843 | 42a999d1 | Guido Trotter | |
844 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock)
|
845 | 42a999d1 | Guido Trotter | def _doItExclusive(self): |
846 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned())
|
847 | 42a999d1 | Guido Trotter | self.done.put('EXC') |
848 | 42a999d1 | Guido Trotter | |
849 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock, shared=1) |
850 | 42a999d1 | Guido Trotter | def _doItSharer(self): |
851 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned(shared=1)) |
852 | 42a999d1 | Guido Trotter | self.done.put('SHR') |
853 | 42a999d1 | Guido Trotter | |
854 | 42a999d1 | Guido Trotter | def testDecoratedFunctions(self): |
855 | 42a999d1 | Guido Trotter | self._doItExclusive()
|
856 | 158206e0 | Manuel Franceschini | self.assertFalse(_decoratorlock._is_owned())
|
857 | 42a999d1 | Guido Trotter | self._doItSharer()
|
858 | 158206e0 | Manuel Franceschini | self.assertFalse(_decoratorlock._is_owned())
|
859 | 42a999d1 | Guido Trotter | |
860 | 42a999d1 | Guido Trotter | def testSharersCanCoexist(self): |
861 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
862 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
863 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
864 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
865 | 42a999d1 | Guido Trotter | |
866 | 4607c978 | Iustin Pop | @_Repeat
|
867 | 42a999d1 | Guido Trotter | def testExclusiveBlocksExclusive(self): |
868 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
869 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
870 | 42a999d1 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
|
871 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
872 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
873 | 4607c978 | Iustin Pop | self._waitThreads()
|
874 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
875 | 42a999d1 | Guido Trotter | |
876 | 4607c978 | Iustin Pop | @_Repeat
|
877 | 42a999d1 | Guido Trotter | def testExclusiveBlocksSharer(self): |
878 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
879 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
880 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
881 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
882 | 4607c978 | Iustin Pop | self._waitThreads()
|
883 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
884 | 42a999d1 | Guido Trotter | |
885 | 4607c978 | Iustin Pop | @_Repeat
|
886 | 42a999d1 | Guido Trotter | def testSharerBlocksExclusive(self): |
887 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
888 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
889 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
890 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
891 | 4607c978 | Iustin Pop | self._waitThreads()
|
892 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
893 | 42a999d1 | Guido Trotter | |
894 | 42a999d1 | Guido Trotter | |
895 | 4607c978 | Iustin Pop | class TestLockSet(_ThreadedTestCase): |
896 | aaae9bc0 | Guido Trotter | """LockSet tests"""
|
897 | aaae9bc0 | Guido Trotter | |
898 | aaae9bc0 | Guido Trotter | def setUp(self): |
899 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
900 | 4607c978 | Iustin Pop | self._setUpLS()
|
901 | aaae9bc0 | Guido Trotter | |
902 | 4607c978 | Iustin Pop | def _setUpLS(self): |
903 | 4607c978 | Iustin Pop | """Helper to (re)initialize the lock set"""
|
904 | 4607c978 | Iustin Pop | self.resources = ['one', 'two', 'three'] |
905 | 7f93570a | Iustin Pop | self.ls = locking.LockSet(self.resources, "TestLockSet") |
906 | 4607c978 | Iustin Pop | |
907 | aaae9bc0 | Guido Trotter | def testResources(self): |
908 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
909 | 7f93570a | Iustin Pop | newls = locking.LockSet([], "TestLockSet.testResources")
|
910 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
911 | aaae9bc0 | Guido Trotter | |
912 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
913 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
914 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
915 | aaae9bc0 | Guido Trotter | self.ls.release()
|
916 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
917 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
918 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
919 | aaae9bc0 | Guido Trotter | self.ls.release()
|
920 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
921 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
922 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
923 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
924 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
925 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
926 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
927 | aaae9bc0 | Guido Trotter | self.ls.release()
|
928 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
929 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
930 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
931 | aaae9bc0 | Guido Trotter | self.ls.release()
|
932 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
933 | aaae9bc0 | Guido Trotter | |
934 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
935 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
936 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
937 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
938 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
939 | aaae9bc0 | Guido Trotter | self.ls.release()
|
940 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
941 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
942 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
943 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
944 | aaae9bc0 | Guido Trotter | |
945 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
946 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
947 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
948 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
949 | aaae9bc0 | Guido Trotter | |
950 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
951 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
952 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
953 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
954 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
955 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
956 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
957 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
958 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
959 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
960 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
961 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
962 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
963 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight', acquired=1) |
964 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
965 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
966 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set([])) |
967 | d2aff862 | Guido Trotter | self.ls.acquire(None, shared=1) |
968 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight') |
969 | d2aff862 | Guido Trotter | self.ls.release()
|
970 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
971 | d2aff862 | Guido Trotter | self.ls.add('eight', acquired=1) |
972 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
973 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._list_owned()) |
974 | d2aff862 | Guido Trotter | self.ls.add('nine') |
975 | d2aff862 | Guido Trotter | self.assert_('nine' in self.ls._names()) |
976 | d2aff862 | Guido Trotter | self.assert_('nine' not in self.ls._list_owned()) |
977 | aaae9bc0 | Guido Trotter | self.ls.release()
|
978 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
979 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
980 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
981 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
982 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
983 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
984 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
985 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
986 | aaae9bc0 | Guido Trotter | |
987 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
988 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
989 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove('one'), ['one']) |
990 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
991 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove(['two', 'three']), |
992 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
993 | aaae9bc0 | Guido Trotter | |
994 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
995 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
996 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
997 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
998 | aaae9bc0 | Guido Trotter | |
999 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
1000 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
1001 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
1002 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
1003 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
1004 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
1005 | aaae9bc0 | Guido Trotter | |
1006 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
1007 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
1008 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
1009 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
1010 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
1011 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._names(), set(['one', 'two', 'three'])) |
1012 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
1013 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
1014 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
1015 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1016 | 3b7ed473 | Guido Trotter | # share the set-lock
|
1017 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
1018 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
1019 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
1020 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1021 | 3b7ed473 | Guido Trotter | |
1022 | d4f6a91c | Guido Trotter | def testAcquireWithRepetitions(self): |
1023 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
1024 | d4f6a91c | Guido Trotter | set(['two', 'two', 'three'])) |
1025 | d4f6a91c | Guido Trotter | self.ls.release(['two', 'two']) |
1026 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['three'])) |
1027 | d4f6a91c | Guido Trotter | |
1028 | 2e1d6d96 | Guido Trotter | def testEmptyAcquire(self): |
1029 | 2e1d6d96 | Guido Trotter | # Acquire an empty list of locks...
|
1030 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([]), set()) |
1031 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
1032 | 2e1d6d96 | Guido Trotter | # New locks can still be addded
|
1033 | 2e1d6d96 | Guido Trotter | self.assert_(self.ls.add('six')) |
1034 | 2e1d6d96 | Guido Trotter | # "re-acquiring" is not an issue, since we had really acquired nothing
|
1035 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([], shared=1), set()) |
1036 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
1037 | 2e1d6d96 | Guido Trotter | # We haven't really acquired anything, so we cannot release
|
1038 | 2e1d6d96 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
1039 | 2e1d6d96 | Guido Trotter | |
1040 | 84e344d4 | Michael Hanselmann | def _doLockSet(self, names, shared): |
1041 | aaae9bc0 | Guido Trotter | try:
|
1042 | 84e344d4 | Michael Hanselmann | self.ls.acquire(names, shared=shared)
|
1043 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
1044 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1045 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
1046 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
1047 | aaae9bc0 | Guido Trotter | |
1048 | 84e344d4 | Michael Hanselmann | def _doAddSet(self, names): |
1049 | 3b7ed473 | Guido Trotter | try:
|
1050 | 84e344d4 | Michael Hanselmann | self.ls.add(names, acquired=1) |
1051 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
1052 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1053 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
1054 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
1055 | 3b7ed473 | Guido Trotter | |
1056 | 84e344d4 | Michael Hanselmann | def _doRemoveSet(self, names): |
1057 | 84e344d4 | Michael Hanselmann | self.done.put(self.ls.remove(names)) |
1058 | aaae9bc0 | Guido Trotter | |
1059 | 4607c978 | Iustin Pop | @_Repeat
|
1060 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
1061 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
1062 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
1063 | 4607c978 | Iustin Pop | self._waitThreads()
|
1064 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1065 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)) |
1066 | 4607c978 | Iustin Pop | self._waitThreads()
|
1067 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1068 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
1069 | 4607c978 | Iustin Pop | self._waitThreads()
|
1070 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1071 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
1072 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
1073 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1074 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1075 | 4607c978 | Iustin Pop | self._waitThreads()
|
1076 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1077 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1078 | aaae9bc0 | Guido Trotter | |
1079 | 4607c978 | Iustin Pop | @_Repeat
|
1080 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
1081 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
1082 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
1083 | 4607c978 | Iustin Pop | self._waitThreads()
|
1084 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1085 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 0)) |
1086 | 4607c978 | Iustin Pop | self._waitThreads()
|
1087 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1088 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1089 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
1090 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
1091 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 0)) |
1092 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 1)) |
1093 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
1094 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 1)) |
1095 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1096 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1097 | 4607c978 | Iustin Pop | self._waitThreads()
|
1098 | 4607c978 | Iustin Pop | for _ in range(6): |
1099 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
1100 | aaae9bc0 | Guido Trotter | |
1101 | 4607c978 | Iustin Pop | @_Repeat
|
1102 | 5aab242c | Michael Hanselmann | def testSimpleAcquireTimeoutExpiring(self): |
1103 | 5aab242c | Michael Hanselmann | names = sorted(self.ls._names()) |
1104 | 5aab242c | Michael Hanselmann | self.assert_(len(names) >= 3) |
1105 | 5aab242c | Michael Hanselmann | |
1106 | 5aab242c | Michael Hanselmann | # Get name of first lock
|
1107 | 5aab242c | Michael Hanselmann | first = names[0]
|
1108 | 5aab242c | Michael Hanselmann | |
1109 | 5aab242c | Michael Hanselmann | # Get name of last lock
|
1110 | 5aab242c | Michael Hanselmann | last = names.pop() |
1111 | 5aab242c | Michael Hanselmann | |
1112 | 5aab242c | Michael Hanselmann | checks = [ |
1113 | 5aab242c | Michael Hanselmann | # Block first and try to lock it again
|
1114 | 5aab242c | Michael Hanselmann | (first, first), |
1115 | 5aab242c | Michael Hanselmann | |
1116 | 5aab242c | Michael Hanselmann | # Block last and try to lock all locks
|
1117 | 5aab242c | Michael Hanselmann | (None, first),
|
1118 | 5aab242c | Michael Hanselmann | |
1119 | 5aab242c | Michael Hanselmann | # Block last and try to lock it again
|
1120 | 5aab242c | Michael Hanselmann | (last, last), |
1121 | 5aab242c | Michael Hanselmann | ] |
1122 | 5aab242c | Michael Hanselmann | |
1123 | 5aab242c | Michael Hanselmann | for (wanted, block) in checks: |
1124 | 5aab242c | Michael Hanselmann | # Lock in exclusive mode
|
1125 | 5aab242c | Michael Hanselmann | self.assert_(self.ls.acquire(block, shared=0)) |
1126 | 5aab242c | Michael Hanselmann | |
1127 | 5aab242c | Michael Hanselmann | def _AcquireOne(): |
1128 | 5aab242c | Michael Hanselmann | # Try to get the same lock again with a timeout (should never succeed)
|
1129 | 23683c26 | Michael Hanselmann | acquired = self.ls.acquire(wanted, timeout=0.1, shared=0) |
1130 | 23683c26 | Michael Hanselmann | if acquired:
|
1131 | 5aab242c | Michael Hanselmann | self.done.put("acquired") |
1132 | 5aab242c | Michael Hanselmann | self.ls.release()
|
1133 | 5aab242c | Michael Hanselmann | else:
|
1134 | 23683c26 | Michael Hanselmann | self.assert_(acquired is None) |
1135 | 158206e0 | Manuel Franceschini | self.assertFalse(self.ls._list_owned()) |
1136 | 158206e0 | Manuel Franceschini | self.assertFalse(self.ls._is_owned()) |
1137 | 5aab242c | Michael Hanselmann | self.done.put("not acquired") |
1138 | 5aab242c | Michael Hanselmann | |
1139 | 5aab242c | Michael Hanselmann | self._addThread(target=_AcquireOne)
|
1140 | 5aab242c | Michael Hanselmann | |
1141 | 5aab242c | Michael Hanselmann | # Wait for timeout in thread to expire
|
1142 | 5aab242c | Michael Hanselmann | self._waitThreads()
|
1143 | 5aab242c | Michael Hanselmann | |
1144 | 5aab242c | Michael Hanselmann | # Release exclusive lock again
|
1145 | 5aab242c | Michael Hanselmann | self.ls.release()
|
1146 | 5aab242c | Michael Hanselmann | |
1147 | 5aab242c | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "not acquired") |
1148 | 5aab242c | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1149 | 5aab242c | Michael Hanselmann | |
1150 | 5aab242c | Michael Hanselmann | @_Repeat
|
1151 | 5aab242c | Michael Hanselmann | def testDelayedAndExpiringLockAcquire(self): |
1152 | 5aab242c | Michael Hanselmann | self._setUpLS()
|
1153 | 5aab242c | Michael Hanselmann | self.ls.add(['five', 'six', 'seven', 'eight', 'nine']) |
1154 | 5aab242c | Michael Hanselmann | |
1155 | 5aab242c | Michael Hanselmann | for expire in (False, True): |
1156 | 5aab242c | Michael Hanselmann | names = sorted(self.ls._names()) |
1157 | 5aab242c | Michael Hanselmann | self.assertEqual(len(names), 8) |
1158 | 5aab242c | Michael Hanselmann | |
1159 | 5aab242c | Michael Hanselmann | lock_ev = dict([(i, threading.Event()) for i in names]) |
1160 | 5aab242c | Michael Hanselmann | |
1161 | 5aab242c | Michael Hanselmann | # Lock all in exclusive mode
|
1162 | 5aab242c | Michael Hanselmann | self.assert_(self.ls.acquire(names, shared=0)) |
1163 | 5aab242c | Michael Hanselmann | |
1164 | 5aab242c | Michael Hanselmann | if expire:
|
1165 | 5aab242c | Michael Hanselmann | # We'll wait at least 300ms per lock
|
1166 | 5aab242c | Michael Hanselmann | lockwait = len(names) * [0.3] |
1167 | 5aab242c | Michael Hanselmann | |
1168 | 5aab242c | Michael Hanselmann | # Fail if we can't acquire all locks in 400ms. There are 8 locks, so
|
1169 | 5aab242c | Michael Hanselmann | # this gives us up to 2.4s to fail.
|
1170 | 5aab242c | Michael Hanselmann | lockall_timeout = 0.4
|
1171 | 5aab242c | Michael Hanselmann | else:
|
1172 | 5aab242c | Michael Hanselmann | # This should finish rather quickly
|
1173 | 5aab242c | Michael Hanselmann | lockwait = None
|
1174 | 5aab242c | Michael Hanselmann | lockall_timeout = len(names) * 5.0 |
1175 | 5aab242c | Michael Hanselmann | |
1176 | 5aab242c | Michael Hanselmann | def _LockAll(): |
1177 | 5aab242c | Michael Hanselmann | def acquire_notification(name): |
1178 | 5aab242c | Michael Hanselmann | if not expire: |
1179 | 5aab242c | Michael Hanselmann | self.done.put("getting %s" % name) |
1180 | 5aab242c | Michael Hanselmann | |
1181 | 5aab242c | Michael Hanselmann | # Kick next lock
|
1182 | 5aab242c | Michael Hanselmann | lock_ev[name].set() |
1183 | 5aab242c | Michael Hanselmann | |
1184 | 5aab242c | Michael Hanselmann | if self.ls.acquire(names, shared=0, timeout=lockall_timeout, |
1185 | 5aab242c | Michael Hanselmann | test_notify=acquire_notification): |
1186 | 5aab242c | Michael Hanselmann | self.done.put("got all") |
1187 | 5aab242c | Michael Hanselmann | self.ls.release()
|
1188 | 5aab242c | Michael Hanselmann | else:
|
1189 | 5aab242c | Michael Hanselmann | self.done.put("timeout on all") |
1190 | 5aab242c | Michael Hanselmann | |
1191 | 5aab242c | Michael Hanselmann | # Notify all locks
|
1192 | 5aab242c | Michael Hanselmann | for ev in lock_ev.values(): |
1193 | 5aab242c | Michael Hanselmann | ev.set() |
1194 | 5aab242c | Michael Hanselmann | |
1195 | 5aab242c | Michael Hanselmann | t = self._addThread(target=_LockAll)
|
1196 | 5aab242c | Michael Hanselmann | |
1197 | 5aab242c | Michael Hanselmann | for idx, name in enumerate(names): |
1198 | 5aab242c | Michael Hanselmann | # Wait for actual acquire on this lock to start
|
1199 | 5aab242c | Michael Hanselmann | lock_ev[name].wait(10.0)
|
1200 | 5aab242c | Michael Hanselmann | |
1201 | 5aab242c | Michael Hanselmann | if expire and t.isAlive(): |
1202 | 5aab242c | Michael Hanselmann | # Wait some time after getting the notification to make sure the lock
|
1203 | 5aab242c | Michael Hanselmann | # acquire will expire
|
1204 | 5aab242c | Michael Hanselmann | SafeSleep(lockwait[idx]) |
1205 | 5aab242c | Michael Hanselmann | |
1206 | 5aab242c | Michael Hanselmann | self.ls.release(names=name)
|
1207 | 5aab242c | Michael Hanselmann | |
1208 | 158206e0 | Manuel Franceschini | self.assertFalse(self.ls._list_owned()) |
1209 | 5aab242c | Michael Hanselmann | |
1210 | 5aab242c | Michael Hanselmann | self._waitThreads()
|
1211 | 5aab242c | Michael Hanselmann | |
1212 | 5aab242c | Michael Hanselmann | if expire:
|
1213 | 5aab242c | Michael Hanselmann | # Not checking which locks were actually acquired. Doing so would be
|
1214 | 5aab242c | Michael Hanselmann | # too timing-dependant.
|
1215 | 5aab242c | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "timeout on all") |
1216 | 5aab242c | Michael Hanselmann | else:
|
1217 | 5aab242c | Michael Hanselmann | for i in names: |
1218 | 5aab242c | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "getting %s" % i) |
1219 | 5aab242c | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "got all") |
1220 | 5aab242c | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1221 | 5aab242c | Michael Hanselmann | |
1222 | 5aab242c | Michael Hanselmann | @_Repeat
|
1223 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
1224 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
1225 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
1226 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 0)) |
1227 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 1)) |
1228 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
1229 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
1230 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1231 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
1232 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1233 | 4607c978 | Iustin Pop | self._waitThreads()
|
1234 | 4607c978 | Iustin Pop | for i in range(4): |
1235 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'ERR') |
1236 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
1237 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 1)) |
1238 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 0)) |
1239 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 1)) |
1240 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 0)) |
1241 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
1242 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1243 | 4607c978 | Iustin Pop | self._waitThreads()
|
1244 | 4607c978 | Iustin Pop | for i in range(4): |
1245 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
1246 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
1247 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['four', 'six'], )) |
1248 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1249 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
1250 | 4607c978 | Iustin Pop | self._waitThreads()
|
1251 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['six']) |
1252 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'])) |
1253 | 4607c978 | Iustin Pop | self._waitThreads()
|
1254 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['two']) |
1255 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1256 | 4607c978 | Iustin Pop | # reset lockset
|
1257 | 4607c978 | Iustin Pop | self._setUpLS()
|
1258 | aaae9bc0 | Guido Trotter | |
1259 | 4607c978 | Iustin Pop | @_Repeat
|
1260 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
1261 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
1262 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
1263 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
1264 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1265 | 4607c978 | Iustin Pop | self._waitThreads()
|
1266 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1267 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
1268 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'three'], 1)) |
1269 | 4607c978 | Iustin Pop | self._waitThreads()
|
1270 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1271 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
1272 | 4607c978 | Iustin Pop | t = self._addThread(target=self._doAddSet, args=(['nine'])) |
1273 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'], )) |
1274 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1275 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
1276 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
1277 | 4607c978 | Iustin Pop | t.join(60)
|
1278 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1279 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
1280 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1281 | 4607c978 | Iustin Pop | self._waitThreads()
|
1282 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), ['two']) |
1283 | 4607c978 | Iustin Pop | # reset lockset
|
1284 | 4607c978 | Iustin Pop | self._setUpLS()
|
1285 | 3b7ed473 | Guido Trotter | |
1286 | 4607c978 | Iustin Pop | @_Repeat
|
1287 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
1288 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
1289 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
1290 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
1291 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1292 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1293 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three'], 0)) |
1294 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two'], 1)) |
1295 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1296 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1297 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1298 | 4607c978 | Iustin Pop | self._waitThreads()
|
1299 | 4607c978 | Iustin Pop | for _ in range(5): |
1300 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get(True, 1), 'DONE') |
1301 | 4607c978 | Iustin Pop | # cleanup
|
1302 | 4607c978 | Iustin Pop | self._setUpLS()
|
1303 | 3b7ed473 | Guido Trotter | |
1304 | 4607c978 | Iustin Pop | @_Repeat
|
1305 | d2aff862 | Guido Trotter | def testConcurrentSetLockAdd(self): |
1306 | d2aff862 | Guido Trotter | self.ls.acquire('one') |
1307 | d2aff862 | Guido Trotter | # Another thread wants the whole SetLock
|
1308 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1309 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1310 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1311 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'four') |
1312 | d2aff862 | Guido Trotter | self.ls.release()
|
1313 | 4607c978 | Iustin Pop | self._waitThreads()
|
1314 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1315 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1316 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
1317 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1318 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1319 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1320 | d2aff862 | Guido Trotter | self.ls.add('four') |
1321 | d2aff862 | Guido Trotter | self.ls.add('five', acquired=1) |
1322 | d2aff862 | Guido Trotter | self.ls.add('six', acquired=1, shared=1) |
1323 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), |
1324 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'five', 'six'])) |
1325 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
1326 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._names(), |
1327 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'four', 'five', 'six'])) |
1328 | d2aff862 | Guido Trotter | self.ls.release()
|
1329 | 4607c978 | Iustin Pop | self._waitThreads()
|
1330 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1331 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1332 | 4607c978 | Iustin Pop | self._setUpLS()
|
1333 | d2aff862 | Guido Trotter | |
1334 | 4607c978 | Iustin Pop | @_Repeat
|
1335 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
1336 | b2dabfd6 | Guido Trotter | # get the set-lock
|
1337 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
1338 | b2dabfd6 | Guido Trotter | # now empty it...
|
1339 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
1340 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
1341 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1342 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1343 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1344 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1345 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1346 | 4607c978 | Iustin Pop | self._waitThreads()
|
1347 | 4607c978 | Iustin Pop | for _ in range(3): |
1348 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1349 | b2dabfd6 | Guido Trotter | # empty it again...
|
1350 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
1351 | b2dabfd6 | Guido Trotter | # now share it...
|
1352 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
1353 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
1354 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1355 | 4607c978 | Iustin Pop | self._waitThreads()
|
1356 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1357 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1358 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1359 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1360 | 4607c978 | Iustin Pop | self._waitThreads()
|
1361 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1362 | 4607c978 | Iustin Pop | self._setUpLS()
|
1363 | b2dabfd6 | Guido Trotter | |
1364 | 887c7aa6 | Michael Hanselmann | def testPriority(self): |
1365 | 887c7aa6 | Michael Hanselmann | def _Acquire(prev, next, name, priority, success_fn): |
1366 | 887c7aa6 | Michael Hanselmann | prev.wait() |
1367 | 887c7aa6 | Michael Hanselmann | self.assert_(self.ls.acquire(name, shared=0, |
1368 | 887c7aa6 | Michael Hanselmann | priority=priority, |
1369 | 887c7aa6 | Michael Hanselmann | test_notify=lambda _: next.set())) |
1370 | 887c7aa6 | Michael Hanselmann | try:
|
1371 | 887c7aa6 | Michael Hanselmann | success_fn() |
1372 | 887c7aa6 | Michael Hanselmann | finally:
|
1373 | 887c7aa6 | Michael Hanselmann | self.ls.release()
|
1374 | 887c7aa6 | Michael Hanselmann | |
1375 | 887c7aa6 | Michael Hanselmann | # Get all in exclusive mode
|
1376 | 887c7aa6 | Michael Hanselmann | self.assert_(self.ls.acquire(locking.ALL_SET, shared=0)) |
1377 | 887c7aa6 | Michael Hanselmann | |
1378 | 887c7aa6 | Michael Hanselmann | done_two = Queue.Queue(0)
|
1379 | 887c7aa6 | Michael Hanselmann | |
1380 | 887c7aa6 | Michael Hanselmann | first = threading.Event() |
1381 | 887c7aa6 | Michael Hanselmann | prev = first |
1382 | 887c7aa6 | Michael Hanselmann | |
1383 | 887c7aa6 | Michael Hanselmann | acquires = [("one", prio, self.done) for prio in range(1, 33)] |
1384 | 887c7aa6 | Michael Hanselmann | acquires.extend([("two", prio, done_two) for prio in range(1, 33)]) |
1385 | 887c7aa6 | Michael Hanselmann | |
1386 | 887c7aa6 | Michael Hanselmann | # Use a deterministic random generator
|
1387 | 887c7aa6 | Michael Hanselmann | random.Random(741).shuffle(acquires)
|
1388 | 887c7aa6 | Michael Hanselmann | |
1389 | 887c7aa6 | Michael Hanselmann | for (name, prio, done) in acquires: |
1390 | 887c7aa6 | Michael Hanselmann | ev = threading.Event() |
1391 | 887c7aa6 | Michael Hanselmann | self._addThread(target=_Acquire,
|
1392 | 887c7aa6 | Michael Hanselmann | args=(prev, ev, name, prio, |
1393 | 887c7aa6 | Michael Hanselmann | compat.partial(done.put, "Prio%s" % prio)))
|
1394 | 887c7aa6 | Michael Hanselmann | prev = ev |
1395 | 887c7aa6 | Michael Hanselmann | |
1396 | 887c7aa6 | Michael Hanselmann | # Start acquires
|
1397 | 887c7aa6 | Michael Hanselmann | first.set() |
1398 | 887c7aa6 | Michael Hanselmann | |
1399 | 887c7aa6 | Michael Hanselmann | # Wait for last acquire to start
|
1400 | 887c7aa6 | Michael Hanselmann | prev.wait() |
1401 | 887c7aa6 | Michael Hanselmann | |
1402 | 887c7aa6 | Michael Hanselmann | # Let threads acquire locks
|
1403 | 887c7aa6 | Michael Hanselmann | self.ls.release()
|
1404 | 887c7aa6 | Michael Hanselmann | |
1405 | 887c7aa6 | Michael Hanselmann | # Wait for threads to finish
|
1406 | 887c7aa6 | Michael Hanselmann | self._waitThreads()
|
1407 | 887c7aa6 | Michael Hanselmann | |
1408 | 887c7aa6 | Michael Hanselmann | for i in range(1, 33): |
1409 | 887c7aa6 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "Prio%s" % i) |
1410 | 887c7aa6 | Michael Hanselmann | self.assertEqual(done_two.get_nowait(), "Prio%s" % i) |
1411 | 887c7aa6 | Michael Hanselmann | |
1412 | 887c7aa6 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1413 | 887c7aa6 | Michael Hanselmann | self.assertRaises(Queue.Empty, done_two.get_nowait)
|
1414 | 887c7aa6 | Michael Hanselmann | |
1415 | aaae9bc0 | Guido Trotter | |
1416 | 4607c978 | Iustin Pop | class TestGanetiLockManager(_ThreadedTestCase): |
1417 | 7ee7c0c7 | Guido Trotter | |
1418 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
1419 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
1420 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
1421 | 819ca990 | Guido Trotter | self.nodegroups=['g1', 'g2'] |
1422 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
1423 | 819ca990 | Guido Trotter | self.GL = locking.GanetiLockManager(self.nodes, self.nodegroups, |
1424 | 819ca990 | Guido Trotter | self.instances)
|
1425 | 7ee7c0c7 | Guido Trotter | |
1426 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
1427 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
1428 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1429 | 7ee7c0c7 | Guido Trotter | |
1430 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
1431 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
1432 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
1433 | b10b9d74 | Guido Trotter | # This relationship is also used in the Processor to recursively acquire
|
1434 | b10b9d74 | Guido Trotter | # the right locks. Again, please don't break it.
|
1435 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
1436 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
1437 | 7ee7c0c7 | Guido Trotter | |
1438 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
1439 | 819ca990 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager, [], [], []) |
1440 | 7ee7c0c7 | Guido Trotter | |
1441 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
1442 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1443 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1444 | 819ca990 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODEGROUP), |
1445 | 819ca990 | Guido Trotter | set(self.nodegroups)) |
1446 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1447 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1448 | 7ee7c0c7 | Guido Trotter | |
1449 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
1450 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1451 | 819ca990 | Guido Trotter | self.GL = locking.GanetiLockManager([], [], [])
|
1452 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1453 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1454 | 819ca990 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODEGROUP), set()) |
1455 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1456 | 7ee7c0c7 | Guido Trotter | |
1457 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1458 | 819ca990 | Guido Trotter | self.GL = locking.GanetiLockManager(self.nodes, self.nodegroups, []) |
1459 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1460 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1461 | 819ca990 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODEGROUP), |
1462 | 819ca990 | Guido Trotter | set(self.nodegroups)) |
1463 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1464 | 7ee7c0c7 | Guido Trotter | |
1465 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1466 | 819ca990 | Guido Trotter | self.GL = locking.GanetiLockManager([], [], self.instances) |
1467 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1468 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1469 | 819ca990 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODEGROUP), set()) |
1470 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1471 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1472 | 7ee7c0c7 | Guido Trotter | |
1473 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
1474 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1475 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
1476 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
1477 | 819ca990 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODEGROUP, ['g2']) |
1478 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
1479 | 04e1bfaf | Guido Trotter | self.GL.release(locking.LEVEL_NODE, ['n2']) |
1480 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
1481 | 819ca990 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODEGROUP), set(['g2'])) |
1482 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1483 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1484 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
1485 | 819ca990 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODEGROUP), set(['g2'])) |
1486 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1487 | 819ca990 | Guido Trotter | self.GL.release(locking.LEVEL_NODEGROUP)
|
1488 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1489 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
1490 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
1491 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
1492 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
1493 | 7ee7c0c7 | Guido Trotter | |
1494 | 90c942d1 | Guido Trotter | def testAcquireWholeSets(self): |
1495 | 90c942d1 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1496 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1497 | 90c942d1 | Guido Trotter | set(self.instances)) |
1498 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1499 | 90c942d1 | Guido Trotter | set(self.instances)) |
1500 | 819ca990 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODEGROUP, None), |
1501 | 819ca990 | Guido Trotter | set(self.nodegroups)) |
1502 | 819ca990 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODEGROUP), |
1503 | 819ca990 | Guido Trotter | set(self.nodegroups)) |
1504 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
1505 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1506 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1507 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1508 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1509 | 819ca990 | Guido Trotter | self.GL.release(locking.LEVEL_NODEGROUP)
|
1510 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1511 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1512 | d4f6a91c | Guido Trotter | |
1513 | d4f6a91c | Guido Trotter | def testAcquireWholeAndPartial(self): |
1514 | d4f6a91c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1515 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1516 | d4f6a91c | Guido Trotter | set(self.instances)) |
1517 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1518 | d4f6a91c | Guido Trotter | set(self.instances)) |
1519 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
1520 | d4f6a91c | Guido Trotter | set(['n2'])) |
1521 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1522 | d4f6a91c | Guido Trotter | set(['n2'])) |
1523 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1524 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1525 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1526 | 90c942d1 | Guido Trotter | |
1527 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
1528 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1529 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
1530 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1531 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
1532 | 819ca990 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1533 | 819ca990 | Guido Trotter | locking.LEVEL_NODEGROUP, ['g1'])
|
1534 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1535 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
1536 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1537 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1538 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1539 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1540 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1541 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
1542 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1543 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1544 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1545 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1546 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1547 | 819ca990 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODEGROUP, None) |
1548 | 819ca990 | Guido Trotter | self.GL.release(locking.LEVEL_NODEGROUP, ['g1']) |
1549 | 819ca990 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1550 | 819ca990 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1551 | 819ca990 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1552 | 819ca990 | Guido Trotter | locking.LEVEL_CLUSTER) |
1553 | 819ca990 | Guido Trotter | self.GL.release(locking.LEVEL_NODEGROUP)
|
1554 | 819ca990 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1555 | 7ee7c0c7 | Guido Trotter | |
1556 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
1557 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1558 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
1559 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1560 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
1561 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1562 | 819ca990 | Guido Trotter | locking.LEVEL_NODEGROUP, ['g1'])
|
1563 | 819ca990 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1564 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
1565 | 7ee7c0c7 | Guido Trotter | |
1566 | 4badc36c | Guido Trotter | def testModifiableLevels(self): |
1567 | 4badc36c | Guido Trotter | self.assertRaises(AssertionError, self.GL.add, locking.LEVEL_CLUSTER, |
1568 | 4badc36c | Guido Trotter | ['BGL2'])
|
1569 | 4badc36c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL']) |
1570 | 4badc36c | Guido Trotter | self.GL.add(locking.LEVEL_INSTANCE, ['i4']) |
1571 | 4badc36c | Guido Trotter | self.GL.remove(locking.LEVEL_INSTANCE, ['i3']) |
1572 | 4badc36c | Guido Trotter | self.GL.remove(locking.LEVEL_INSTANCE, ['i1']) |
1573 | 4badc36c | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set(['i2', 'i4'])) |
1574 | 4badc36c | Guido Trotter | self.GL.add(locking.LEVEL_NODE, ['n3']) |
1575 | 4badc36c | Guido Trotter | self.GL.remove(locking.LEVEL_NODE, ['n1']) |
1576 | 4badc36c | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(['n2', 'n3'])) |
1577 | 819ca990 | Guido Trotter | self.GL.add(locking.LEVEL_NODEGROUP, ['g3']) |
1578 | 819ca990 | Guido Trotter | self.GL.remove(locking.LEVEL_NODEGROUP, ['g2']) |
1579 | 819ca990 | Guido Trotter | self.GL.remove(locking.LEVEL_NODEGROUP, ['g1']) |
1580 | 819ca990 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODEGROUP), set(['g3'])) |
1581 | 4badc36c | Guido Trotter | self.assertRaises(AssertionError, self.GL.remove, locking.LEVEL_CLUSTER, |
1582 | 4badc36c | Guido Trotter | ['BGL2'])
|
1583 | 4badc36c | Guido Trotter | |
1584 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
1585 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
1586 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
1587 | 7ee7c0c7 | Guido Trotter | try:
|
1588 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1589 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
1590 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
1591 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
1592 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1593 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
1594 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
1595 | 7ee7c0c7 | Guido Trotter | |
1596 | 4607c978 | Iustin Pop | @_Repeat
|
1597 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
1598 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1599 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1600 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1601 | 4607c978 | Iustin Pop | self._waitThreads()
|
1602 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1603 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
1604 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1605 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1606 | 4607c978 | Iustin Pop | self._waitThreads()
|
1607 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1608 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1609 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i3', 1)) |
1610 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1611 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1612 | 4607c978 | Iustin Pop | self._waitThreads()
|
1613 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1614 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
1615 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1616 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 1)) |
1617 | 4607c978 | Iustin Pop | self._waitThreads()
|
1618 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1619 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1620 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 0)) |
1621 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1622 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1623 | 4607c978 | Iustin Pop | self._waitThreads()
|
1624 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
1625 | 4607c978 | Iustin Pop | self.GL.release(locking.LEVEL_CLUSTER, ['BGL']) |
1626 | 7ee7c0c7 | Guido Trotter | |
1627 | 7ee7c0c7 | Guido Trotter | |
1628 | 19b9ba9a | Michael Hanselmann | class TestLockMonitor(_ThreadedTestCase): |
1629 | 19b9ba9a | Michael Hanselmann | def setUp(self): |
1630 | 19b9ba9a | Michael Hanselmann | _ThreadedTestCase.setUp(self)
|
1631 | 19b9ba9a | Michael Hanselmann | self.lm = locking.LockMonitor()
|
1632 | 19b9ba9a | Michael Hanselmann | |
1633 | 19b9ba9a | Michael Hanselmann | def testSingleThread(self): |
1634 | 19b9ba9a | Michael Hanselmann | locks = [] |
1635 | 19b9ba9a | Michael Hanselmann | |
1636 | 19b9ba9a | Michael Hanselmann | for i in range(100): |
1637 | 19b9ba9a | Michael Hanselmann | name = "TestLock%s" % i
|
1638 | 19b9ba9a | Michael Hanselmann | locks.append(locking.SharedLock(name, monitor=self.lm))
|
1639 | 19b9ba9a | Michael Hanselmann | |
1640 | 19b9ba9a | Michael Hanselmann | self.assertEqual(len(self.lm._locks), len(locks)) |
1641 | 19b9ba9a | Michael Hanselmann | |
1642 | c31825f7 | Michael Hanselmann | self.assertEqual(len(self.lm.QueryLocks(["name"], False)), |
1643 | c31825f7 | Michael Hanselmann | 100)
|
1644 | c31825f7 | Michael Hanselmann | |
1645 | 19b9ba9a | Michael Hanselmann | # Delete all locks
|
1646 | 19b9ba9a | Michael Hanselmann | del locks[:]
|
1647 | 19b9ba9a | Michael Hanselmann | |
1648 | 19b9ba9a | Michael Hanselmann | # The garbage collector might needs some time
|
1649 | 19b9ba9a | Michael Hanselmann | def _CheckLocks(): |
1650 | 19b9ba9a | Michael Hanselmann | if self.lm._locks: |
1651 | 19b9ba9a | Michael Hanselmann | raise utils.RetryAgain()
|
1652 | 19b9ba9a | Michael Hanselmann | |
1653 | 19b9ba9a | Michael Hanselmann | utils.Retry(_CheckLocks, 0.1, 30.0) |
1654 | 19b9ba9a | Michael Hanselmann | |
1655 | 19b9ba9a | Michael Hanselmann | self.assertFalse(self.lm._locks) |
1656 | 19b9ba9a | Michael Hanselmann | |
1657 | 19b9ba9a | Michael Hanselmann | def testMultiThread(self): |
1658 | 19b9ba9a | Michael Hanselmann | locks = [] |
1659 | 19b9ba9a | Michael Hanselmann | |
1660 | 19b9ba9a | Michael Hanselmann | def _CreateLock(prev, next, name): |
1661 | 19b9ba9a | Michael Hanselmann | prev.wait() |
1662 | 19b9ba9a | Michael Hanselmann | locks.append(locking.SharedLock(name, monitor=self.lm))
|
1663 | 19b9ba9a | Michael Hanselmann | if next: |
1664 | 19b9ba9a | Michael Hanselmann | next.set()
|
1665 | 19b9ba9a | Michael Hanselmann | |
1666 | 19b9ba9a | Michael Hanselmann | expnames = [] |
1667 | 19b9ba9a | Michael Hanselmann | |
1668 | 19b9ba9a | Michael Hanselmann | first = threading.Event() |
1669 | 19b9ba9a | Michael Hanselmann | prev = first |
1670 | 19b9ba9a | Michael Hanselmann | |
1671 | 19b9ba9a | Michael Hanselmann | # Use a deterministic random generator
|
1672 | 19b9ba9a | Michael Hanselmann | for i in random.Random(4263).sample(range(100), 33): |
1673 | 19b9ba9a | Michael Hanselmann | name = "MtTestLock%s" % i
|
1674 | 19b9ba9a | Michael Hanselmann | expnames.append(name) |
1675 | 19b9ba9a | Michael Hanselmann | |
1676 | 19b9ba9a | Michael Hanselmann | ev = threading.Event() |
1677 | 19b9ba9a | Michael Hanselmann | self._addThread(target=_CreateLock, args=(prev, ev, name))
|
1678 | 19b9ba9a | Michael Hanselmann | prev = ev |
1679 | 19b9ba9a | Michael Hanselmann | |
1680 | 19b9ba9a | Michael Hanselmann | # Add locks
|
1681 | 19b9ba9a | Michael Hanselmann | first.set() |
1682 | 19b9ba9a | Michael Hanselmann | self._waitThreads()
|
1683 | 19b9ba9a | Michael Hanselmann | |
1684 | 19b9ba9a | Michael Hanselmann | # Check order in which locks were added
|
1685 | 19b9ba9a | Michael Hanselmann | self.assertEqual([i.name for i in locks], expnames) |
1686 | 19b9ba9a | Michael Hanselmann | |
1687 | 19b9ba9a | Michael Hanselmann | # Sync queries are not supported
|
1688 | 19b9ba9a | Michael Hanselmann | self.assertRaises(NotImplementedError, self.lm.QueryLocks, ["name"], True) |
1689 | 19b9ba9a | Michael Hanselmann | |
1690 | 19b9ba9a | Michael Hanselmann | # Check query result
|
1691 | c31825f7 | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner", "pending"], |
1692 | c31825f7 | Michael Hanselmann | False),
|
1693 | c31825f7 | Michael Hanselmann | [[name, None, None, []] |
1694 | c31825f7 | Michael Hanselmann | for name in utils.NiceSort(expnames)]) |
1695 | 19b9ba9a | Michael Hanselmann | |
1696 | 19b9ba9a | Michael Hanselmann | # Test exclusive acquire
|
1697 | 19b9ba9a | Michael Hanselmann | for tlock in locks[::4]: |
1698 | 19b9ba9a | Michael Hanselmann | tlock.acquire(shared=0)
|
1699 | 19b9ba9a | Michael Hanselmann | try:
|
1700 | 19b9ba9a | Michael Hanselmann | def _GetExpResult(name): |
1701 | 19b9ba9a | Michael Hanselmann | if tlock.name == name:
|
1702 | c31825f7 | Michael Hanselmann | return [name, "exclusive", [threading.currentThread().getName()], |
1703 | c31825f7 | Michael Hanselmann | []] |
1704 | c31825f7 | Michael Hanselmann | return [name, None, None, []] |
1705 | 19b9ba9a | Michael Hanselmann | |
1706 | c31825f7 | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner", |
1707 | c31825f7 | Michael Hanselmann | "pending"], False), |
1708 | 19b9ba9a | Michael Hanselmann | [_GetExpResult(name) |
1709 | 19b9ba9a | Michael Hanselmann | for name in utils.NiceSort(expnames)]) |
1710 | 19b9ba9a | Michael Hanselmann | finally:
|
1711 | 19b9ba9a | Michael Hanselmann | tlock.release() |
1712 | 19b9ba9a | Michael Hanselmann | |
1713 | 19b9ba9a | Michael Hanselmann | # Test shared acquire
|
1714 | 73c25d35 | Michael Hanselmann | def _Acquire(lock, shared, ev, notify): |
1715 | 19b9ba9a | Michael Hanselmann | lock.acquire(shared=shared) |
1716 | 19b9ba9a | Michael Hanselmann | try:
|
1717 | 73c25d35 | Michael Hanselmann | notify.set() |
1718 | 19b9ba9a | Michael Hanselmann | ev.wait() |
1719 | 19b9ba9a | Michael Hanselmann | finally:
|
1720 | 19b9ba9a | Michael Hanselmann | lock.release() |
1721 | 19b9ba9a | Michael Hanselmann | |
1722 | 19b9ba9a | Michael Hanselmann | for tlock1 in locks[::11]: |
1723 | 19b9ba9a | Michael Hanselmann | for tlock2 in locks[::-15]: |
1724 | 19b9ba9a | Michael Hanselmann | if tlock2 == tlock1:
|
1725 | 73c25d35 | Michael Hanselmann | # Avoid deadlocks
|
1726 | 19b9ba9a | Michael Hanselmann | continue
|
1727 | 19b9ba9a | Michael Hanselmann | |
1728 | 19b9ba9a | Michael Hanselmann | for tlock3 in locks[::10]: |
1729 | 73c25d35 | Michael Hanselmann | if tlock3 in (tlock2, tlock1): |
1730 | 73c25d35 | Michael Hanselmann | # Avoid deadlocks
|
1731 | 19b9ba9a | Michael Hanselmann | continue
|
1732 | 19b9ba9a | Michael Hanselmann | |
1733 | 73c25d35 | Michael Hanselmann | releaseev = threading.Event() |
1734 | 19b9ba9a | Michael Hanselmann | |
1735 | 19b9ba9a | Michael Hanselmann | # Acquire locks
|
1736 | 73c25d35 | Michael Hanselmann | acquireev = [] |
1737 | 19b9ba9a | Michael Hanselmann | tthreads1 = [] |
1738 | 19b9ba9a | Michael Hanselmann | for i in range(3): |
1739 | 73c25d35 | Michael Hanselmann | ev = threading.Event() |
1740 | 19b9ba9a | Michael Hanselmann | tthreads1.append(self._addThread(target=_Acquire,
|
1741 | 73c25d35 | Michael Hanselmann | args=(tlock1, 1, releaseev, ev)))
|
1742 | 73c25d35 | Michael Hanselmann | acquireev.append(ev) |
1743 | 73c25d35 | Michael Hanselmann | |
1744 | 73c25d35 | Michael Hanselmann | ev = threading.Event() |
1745 | 73c25d35 | Michael Hanselmann | tthread2 = self._addThread(target=_Acquire,
|
1746 | 73c25d35 | Michael Hanselmann | args=(tlock2, 1, releaseev, ev))
|
1747 | 73c25d35 | Michael Hanselmann | acquireev.append(ev) |
1748 | 73c25d35 | Michael Hanselmann | |
1749 | 73c25d35 | Michael Hanselmann | ev = threading.Event() |
1750 | 73c25d35 | Michael Hanselmann | tthread3 = self._addThread(target=_Acquire,
|
1751 | 73c25d35 | Michael Hanselmann | args=(tlock3, 0, releaseev, ev))
|
1752 | 73c25d35 | Michael Hanselmann | acquireev.append(ev) |
1753 | 73c25d35 | Michael Hanselmann | |
1754 | 73c25d35 | Michael Hanselmann | # Wait for all locks to be acquired
|
1755 | 73c25d35 | Michael Hanselmann | for i in acquireev: |
1756 | 73c25d35 | Michael Hanselmann | i.wait() |
1757 | 19b9ba9a | Michael Hanselmann | |
1758 | 19b9ba9a | Michael Hanselmann | # Check query result
|
1759 | 19b9ba9a | Michael Hanselmann | for (name, mode, owner) in self.lm.QueryLocks(["name", "mode", |
1760 | 19b9ba9a | Michael Hanselmann | "owner"], False): |
1761 | 19b9ba9a | Michael Hanselmann | if name == tlock1.name:
|
1762 | 19b9ba9a | Michael Hanselmann | self.assertEqual(mode, "shared") |
1763 | 19b9ba9a | Michael Hanselmann | self.assertEqual(set(owner), set(i.getName() for i in tthreads1)) |
1764 | 19b9ba9a | Michael Hanselmann | continue
|
1765 | 19b9ba9a | Michael Hanselmann | |
1766 | 19b9ba9a | Michael Hanselmann | if name == tlock2.name:
|
1767 | 19b9ba9a | Michael Hanselmann | self.assertEqual(mode, "shared") |
1768 | 19b9ba9a | Michael Hanselmann | self.assertEqual(owner, [tthread2.getName()])
|
1769 | 19b9ba9a | Michael Hanselmann | continue
|
1770 | 19b9ba9a | Michael Hanselmann | |
1771 | 19b9ba9a | Michael Hanselmann | if name == tlock3.name:
|
1772 | 19b9ba9a | Michael Hanselmann | self.assertEqual(mode, "exclusive") |
1773 | 19b9ba9a | Michael Hanselmann | self.assertEqual(owner, [tthread3.getName()])
|
1774 | 19b9ba9a | Michael Hanselmann | continue
|
1775 | 19b9ba9a | Michael Hanselmann | |
1776 | 19b9ba9a | Michael Hanselmann | self.assert_(name in expnames) |
1777 | 19b9ba9a | Michael Hanselmann | self.assert_(mode is None) |
1778 | 19b9ba9a | Michael Hanselmann | self.assert_(owner is None) |
1779 | 19b9ba9a | Michael Hanselmann | |
1780 | 19b9ba9a | Michael Hanselmann | # Release locks again
|
1781 | 73c25d35 | Michael Hanselmann | releaseev.set() |
1782 | 19b9ba9a | Michael Hanselmann | |
1783 | 19b9ba9a | Michael Hanselmann | self._waitThreads()
|
1784 | 19b9ba9a | Michael Hanselmann | |
1785 | 19b9ba9a | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner"], False), |
1786 | 19b9ba9a | Michael Hanselmann | [[name, None, None] |
1787 | 19b9ba9a | Michael Hanselmann | for name in utils.NiceSort(expnames)]) |
1788 | 19b9ba9a | Michael Hanselmann | |
1789 | 19b9ba9a | Michael Hanselmann | def testDelete(self): |
1790 | 19b9ba9a | Michael Hanselmann | lock = locking.SharedLock("TestLock", monitor=self.lm) |
1791 | 19b9ba9a | Michael Hanselmann | |
1792 | 19b9ba9a | Michael Hanselmann | self.assertEqual(len(self.lm._locks), 1) |
1793 | 19b9ba9a | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner"], False), |
1794 | 19b9ba9a | Michael Hanselmann | [[lock.name, None, None]]) |
1795 | 19b9ba9a | Michael Hanselmann | |
1796 | 19b9ba9a | Michael Hanselmann | lock.delete() |
1797 | 19b9ba9a | Michael Hanselmann | |
1798 | 19b9ba9a | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner"], False), |
1799 | 19b9ba9a | Michael Hanselmann | [[lock.name, "deleted", None]]) |
1800 | 19b9ba9a | Michael Hanselmann | self.assertEqual(len(self.lm._locks), 1) |
1801 | 19b9ba9a | Michael Hanselmann | |
1802 | c31825f7 | Michael Hanselmann | def testPending(self): |
1803 | c31825f7 | Michael Hanselmann | def _Acquire(lock, shared, prev, next): |
1804 | c31825f7 | Michael Hanselmann | prev.wait() |
1805 | c31825f7 | Michael Hanselmann | |
1806 | c31825f7 | Michael Hanselmann | lock.acquire(shared=shared, test_notify=next.set)
|
1807 | c31825f7 | Michael Hanselmann | try:
|
1808 | c31825f7 | Michael Hanselmann | pass
|
1809 | c31825f7 | Michael Hanselmann | finally:
|
1810 | c31825f7 | Michael Hanselmann | lock.release() |
1811 | c31825f7 | Michael Hanselmann | |
1812 | c31825f7 | Michael Hanselmann | lock = locking.SharedLock("ExcLock", monitor=self.lm) |
1813 | c31825f7 | Michael Hanselmann | |
1814 | c31825f7 | Michael Hanselmann | for shared in [0, 1]: |
1815 | c31825f7 | Michael Hanselmann | lock.acquire() |
1816 | c31825f7 | Michael Hanselmann | try:
|
1817 | c31825f7 | Michael Hanselmann | self.assertEqual(len(self.lm._locks), 1) |
1818 | c31825f7 | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner"], False), |
1819 | c31825f7 | Michael Hanselmann | [[lock.name, "exclusive",
|
1820 | c31825f7 | Michael Hanselmann | [threading.currentThread().getName()]]]) |
1821 | c31825f7 | Michael Hanselmann | |
1822 | c31825f7 | Michael Hanselmann | threads = [] |
1823 | c31825f7 | Michael Hanselmann | |
1824 | c31825f7 | Michael Hanselmann | first = threading.Event() |
1825 | c31825f7 | Michael Hanselmann | prev = first |
1826 | c31825f7 | Michael Hanselmann | |
1827 | c31825f7 | Michael Hanselmann | for i in range(5): |
1828 | c31825f7 | Michael Hanselmann | ev = threading.Event() |
1829 | c31825f7 | Michael Hanselmann | threads.append(self._addThread(target=_Acquire,
|
1830 | c31825f7 | Michael Hanselmann | args=(lock, shared, prev, ev))) |
1831 | c31825f7 | Michael Hanselmann | prev = ev |
1832 | c31825f7 | Michael Hanselmann | |
1833 | c31825f7 | Michael Hanselmann | # Start acquires
|
1834 | c31825f7 | Michael Hanselmann | first.set() |
1835 | c31825f7 | Michael Hanselmann | |
1836 | c31825f7 | Michael Hanselmann | # Wait for last acquire to start waiting
|
1837 | c31825f7 | Michael Hanselmann | prev.wait() |
1838 | c31825f7 | Michael Hanselmann | |
1839 | c31825f7 | Michael Hanselmann | # NOTE: This works only because QueryLocks will acquire the
|
1840 | c31825f7 | Michael Hanselmann | # lock-internal lock again and won't be able to get the information
|
1841 | c31825f7 | Michael Hanselmann | # until it has the lock. By then the acquire should be registered in
|
1842 | c31825f7 | Michael Hanselmann | # SharedLock.__pending (otherwise it's a bug).
|
1843 | c31825f7 | Michael Hanselmann | |
1844 | c31825f7 | Michael Hanselmann | # All acquires are waiting now
|
1845 | c31825f7 | Michael Hanselmann | if shared:
|
1846 | c31825f7 | Michael Hanselmann | pending = [("shared", sorted([t.getName() for t in threads]))] |
1847 | c31825f7 | Michael Hanselmann | else:
|
1848 | c31825f7 | Michael Hanselmann | pending = [("exclusive", [t.getName()]) for t in threads] |
1849 | c31825f7 | Michael Hanselmann | |
1850 | c31825f7 | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner", |
1851 | c31825f7 | Michael Hanselmann | "pending"], False), |
1852 | c31825f7 | Michael Hanselmann | [[lock.name, "exclusive",
|
1853 | c31825f7 | Michael Hanselmann | [threading.currentThread().getName()], |
1854 | c31825f7 | Michael Hanselmann | pending]]) |
1855 | c31825f7 | Michael Hanselmann | |
1856 | c31825f7 | Michael Hanselmann | self.assertEqual(len(self.lm._locks), 1) |
1857 | c31825f7 | Michael Hanselmann | finally:
|
1858 | c31825f7 | Michael Hanselmann | lock.release() |
1859 | c31825f7 | Michael Hanselmann | |
1860 | c31825f7 | Michael Hanselmann | self._waitThreads()
|
1861 | c31825f7 | Michael Hanselmann | |
1862 | c31825f7 | Michael Hanselmann | # No pending acquires
|
1863 | c31825f7 | Michael Hanselmann | self.assertEqual(self.lm.QueryLocks(["name", "mode", "owner", "pending"], |
1864 | c31825f7 | Michael Hanselmann | False),
|
1865 | c31825f7 | Michael Hanselmann | [[lock.name, None, None, []]]) |
1866 | c31825f7 | Michael Hanselmann | |
1867 | c31825f7 | Michael Hanselmann | self.assertEqual(len(self.lm._locks), 1) |
1868 | c31825f7 | Michael Hanselmann | |
1869 | 19b9ba9a | Michael Hanselmann | |
1870 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
1871 | 25231ec5 | Michael Hanselmann | testutils.GanetiTestProgram() |