root / test / ganeti.locking_unittest.py @ 5e0a6daf
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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 | 162c1c1f | Guido Trotter | # Copyright (C) 2006, 2007 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 | 162c1c1f | Guido Trotter | |
31 | 162c1c1f | Guido Trotter | from ganeti import locking |
32 | a95fd5d7 | Guido Trotter | from ganeti import errors |
33 | 162c1c1f | Guido Trotter | |
34 | 162c1c1f | Guido Trotter | |
35 | 42a999d1 | Guido Trotter | # This is used to test the ssynchronize decorator.
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36 | 42a999d1 | Guido Trotter | # Since it's passed as input to a decorator it must be declared as a global.
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37 | 42a999d1 | Guido Trotter | _decoratorlock = locking.SharedLock() |
38 | 42a999d1 | Guido Trotter | |
39 | 4607c978 | Iustin Pop | #: List for looping tests
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40 | 4607c978 | Iustin Pop | ITERATIONS = range(8) |
41 | 4607c978 | Iustin Pop | |
42 | 84e344d4 | Michael Hanselmann | |
43 | 4607c978 | Iustin Pop | def _Repeat(fn): |
44 | 4607c978 | Iustin Pop | """Decorator for executing a function many times"""
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45 | 4607c978 | Iustin Pop | def wrapper(*args, **kwargs): |
46 | 4607c978 | Iustin Pop | for i in ITERATIONS: |
47 | 4607c978 | Iustin Pop | fn(*args, **kwargs) |
48 | 4607c978 | Iustin Pop | return wrapper
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49 | 4607c978 | Iustin Pop | |
50 | 84e344d4 | Michael Hanselmann | |
51 | 4607c978 | Iustin Pop | class _ThreadedTestCase(unittest.TestCase): |
52 | 4607c978 | Iustin Pop | """Test class that supports adding/waiting on threads"""
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53 | 4607c978 | Iustin Pop | def setUp(self): |
54 | 4607c978 | Iustin Pop | unittest.TestCase.setUp(self)
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55 | 4607c978 | Iustin Pop | self.threads = []
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56 | 4607c978 | Iustin Pop | |
57 | 4607c978 | Iustin Pop | def _addThread(self, *args, **kwargs): |
58 | 4607c978 | Iustin Pop | """Create and remember a new thread"""
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59 | 84e344d4 | Michael Hanselmann | t = threading.Thread(*args, **kwargs) |
60 | 4607c978 | Iustin Pop | self.threads.append(t)
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61 | 4607c978 | Iustin Pop | t.start() |
62 | 4607c978 | Iustin Pop | return t
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63 | 4607c978 | Iustin Pop | |
64 | 4607c978 | Iustin Pop | def _waitThreads(self): |
65 | 4607c978 | Iustin Pop | """Wait for all our threads to finish"""
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66 | 4607c978 | Iustin Pop | for t in self.threads: |
67 | 4607c978 | Iustin Pop | t.join(60)
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68 | 4607c978 | Iustin Pop | self.failIf(t.isAlive())
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69 | 4607c978 | Iustin Pop | self.threads = []
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70 | 42a999d1 | Guido Trotter | |
71 | 4607c978 | Iustin Pop | |
72 | 48dabc6a | Michael Hanselmann | class TestPipeCondition(_ThreadedTestCase): |
73 | 48dabc6a | Michael Hanselmann | """_PipeCondition tests"""
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74 | 48dabc6a | Michael Hanselmann | |
75 | 48dabc6a | Michael Hanselmann | def setUp(self): |
76 | 48dabc6a | Michael Hanselmann | _ThreadedTestCase.setUp(self)
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77 | 48dabc6a | Michael Hanselmann | self.lock = threading.Lock()
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78 | 48dabc6a | Michael Hanselmann | self.cond = locking._PipeCondition(self.lock) |
79 | 48dabc6a | Michael Hanselmann | self.done = Queue.Queue(0) |
80 | 48dabc6a | Michael Hanselmann | |
81 | 48dabc6a | Michael Hanselmann | def testAcquireRelease(self): |
82 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
83 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
84 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
85 | 48dabc6a | Michael Hanselmann | |
86 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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87 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
88 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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89 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
90 | 48dabc6a | Michael Hanselmann | self.cond.release()
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91 | 48dabc6a | Michael Hanselmann | |
92 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
93 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
94 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
95 | 48dabc6a | Michael Hanselmann | |
96 | 48dabc6a | Michael Hanselmann | def testNotification(self): |
97 | 48dabc6a | Michael Hanselmann | def _NotifyAll(): |
98 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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99 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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100 | 48dabc6a | Michael Hanselmann | self.cond.release()
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101 | 48dabc6a | Michael Hanselmann | |
102 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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103 | 48dabc6a | Michael Hanselmann | self._addThread(target=_NotifyAll)
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104 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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105 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
106 | 48dabc6a | Michael Hanselmann | self.cond.release()
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107 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
108 | 48dabc6a | Michael Hanselmann | |
109 | 48dabc6a | Michael Hanselmann | def _TestWait(self, fn): |
110 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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111 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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112 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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113 | 48dabc6a | Michael Hanselmann | |
114 | 48dabc6a | Michael Hanselmann | # Wait for threads to be waiting
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115 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
116 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
117 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
118 | 48dabc6a | Michael Hanselmann | |
119 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
120 | 48dabc6a | Michael Hanselmann | |
121 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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122 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 3) |
123 | 48dabc6a | Michael Hanselmann | # This new thread can"t acquire the lock, and thus call wait, before we
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124 | 48dabc6a | Michael Hanselmann | # release it
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125 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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126 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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127 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
128 | 48dabc6a | Michael Hanselmann | self.cond.release()
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129 | 48dabc6a | Michael Hanselmann | |
130 | 48dabc6a | Michael Hanselmann | # We should now get 3 W and 1 A (for the new thread) in whatever order
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131 | 48dabc6a | Michael Hanselmann | w = 0
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132 | 48dabc6a | Michael Hanselmann | a = 0
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133 | 48dabc6a | Michael Hanselmann | for i in range(4): |
134 | 48dabc6a | Michael Hanselmann | got = self.done.get(True, 1) |
135 | 48dabc6a | Michael Hanselmann | if got == "W": |
136 | 48dabc6a | Michael Hanselmann | w += 1
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137 | 48dabc6a | Michael Hanselmann | elif got == "A": |
138 | 48dabc6a | Michael Hanselmann | a += 1
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139 | 48dabc6a | Michael Hanselmann | else:
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140 | 48dabc6a | Michael Hanselmann | self.fail("Got %s on the done queue" % got) |
141 | 48dabc6a | Michael Hanselmann | |
142 | 48dabc6a | Michael Hanselmann | self.assertEqual(w, 3) |
143 | 48dabc6a | Michael Hanselmann | self.assertEqual(a, 1) |
144 | 48dabc6a | Michael Hanselmann | |
145 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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146 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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147 | 48dabc6a | Michael Hanselmann | self.cond.release()
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148 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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149 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "W") |
150 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
151 | 48dabc6a | Michael Hanselmann | |
152 | 48dabc6a | Michael Hanselmann | def testBlockingWait(self): |
153 | 48dabc6a | Michael Hanselmann | def _BlockingWait(): |
154 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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155 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
156 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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157 | 48dabc6a | Michael Hanselmann | self.cond.release()
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158 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
159 | 48dabc6a | Michael Hanselmann | |
160 | 48dabc6a | Michael Hanselmann | self._TestWait(_BlockingWait)
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161 | 48dabc6a | Michael Hanselmann | |
162 | 48dabc6a | Michael Hanselmann | def testLongTimeoutWait(self): |
163 | 48dabc6a | Michael Hanselmann | def _Helper(): |
164 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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165 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
166 | 48dabc6a | Michael Hanselmann | self.cond.wait(15.0) |
167 | 48dabc6a | Michael Hanselmann | self.cond.release()
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168 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
169 | 48dabc6a | Michael Hanselmann | |
170 | 48dabc6a | Michael Hanselmann | self._TestWait(_Helper)
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171 | 48dabc6a | Michael Hanselmann | |
172 | 48dabc6a | Michael Hanselmann | def _TimeoutWait(self, timeout, check): |
173 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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174 | 48dabc6a | Michael Hanselmann | self.cond.wait(timeout)
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175 | 48dabc6a | Michael Hanselmann | self.cond.release()
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176 | 48dabc6a | Michael Hanselmann | self.done.put(check)
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177 | 48dabc6a | Michael Hanselmann | |
178 | 48dabc6a | Michael Hanselmann | def testShortTimeoutWait(self): |
179 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
180 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
181 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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182 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
183 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
184 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
185 | 48dabc6a | Michael Hanselmann | |
186 | 48dabc6a | Michael Hanselmann | def testZeroTimeoutWait(self): |
187 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
188 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
189 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
190 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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191 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
192 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
193 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
194 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
195 | 48dabc6a | Michael Hanselmann | |
196 | 48dabc6a | Michael Hanselmann | |
197 | d76167a5 | Michael Hanselmann | class TestSingleActionPipeCondition(unittest.TestCase): |
198 | d76167a5 | Michael Hanselmann | """_SingleActionPipeCondition tests"""
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199 | d76167a5 | Michael Hanselmann | |
200 | d76167a5 | Michael Hanselmann | def setUp(self): |
201 | d76167a5 | Michael Hanselmann | self.cond = locking._SingleActionPipeCondition()
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202 | d76167a5 | Michael Hanselmann | |
203 | d76167a5 | Michael Hanselmann | def testInitialization(self): |
204 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
205 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
206 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
207 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 0) |
208 | d76167a5 | Michael Hanselmann | |
209 | d76167a5 | Michael Hanselmann | def testUsageCount(self): |
210 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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211 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
212 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
213 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
214 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 1) |
215 | d76167a5 | Michael Hanselmann | |
216 | d76167a5 | Michael Hanselmann | # use again
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217 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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218 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 2) |
219 | d76167a5 | Michael Hanselmann | |
220 | d76167a5 | Michael Hanselmann | # there is more than one user
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221 | d76167a5 | Michael Hanselmann | self.assert_(not self.cond.DoneWaiting()) |
222 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
223 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
224 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
225 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 1) |
226 | d76167a5 | Michael Hanselmann | |
227 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
228 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 0) |
229 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
230 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
231 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
232 | d76167a5 | Michael Hanselmann | |
233 | d76167a5 | Michael Hanselmann | def testNotify(self): |
234 | d76167a5 | Michael Hanselmann | wait1 = self.cond.StartWaiting()
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235 | d76167a5 | Michael Hanselmann | wait2 = self.cond.StartWaiting()
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236 | d76167a5 | Michael Hanselmann | |
237 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
238 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
239 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
240 | d76167a5 | Michael Hanselmann | |
241 | d76167a5 | Michael Hanselmann | self.cond.notifyAll()
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242 | d76167a5 | Michael Hanselmann | |
243 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
244 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
245 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
246 | d76167a5 | Michael Hanselmann | |
247 | d76167a5 | Michael Hanselmann | self.assert_(not self.cond.DoneWaiting()) |
248 | d76167a5 | Michael Hanselmann | |
249 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
250 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
251 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
252 | d76167a5 | Michael Hanselmann | |
253 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
254 | d76167a5 | Michael Hanselmann | |
255 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
256 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
257 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
258 | d76167a5 | Michael Hanselmann | |
259 | d76167a5 | Michael Hanselmann | def testReusage(self): |
260 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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261 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
262 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
263 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
264 | d76167a5 | Michael Hanselmann | |
265 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
266 | d76167a5 | Michael Hanselmann | |
267 | d76167a5 | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.StartWaiting) |
268 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
269 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
270 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
271 | d76167a5 | Michael Hanselmann | |
272 | d76167a5 | Michael Hanselmann | def testNotifyTwice(self): |
273 | d76167a5 | Michael Hanselmann | self.cond.notifyAll()
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274 | d76167a5 | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
275 | d76167a5 | Michael Hanselmann | |
276 | d76167a5 | Michael Hanselmann | |
277 | 4607c978 | Iustin Pop | class TestSharedLock(_ThreadedTestCase): |
278 | d6646186 | Guido Trotter | """SharedLock tests"""
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279 | 162c1c1f | Guido Trotter | |
280 | 162c1c1f | Guido Trotter | def setUp(self): |
281 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
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282 | 162c1c1f | Guido Trotter | self.sl = locking.SharedLock()
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283 | 162c1c1f | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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284 | 162c1c1f | Guido Trotter | self.done = Queue.Queue(0) |
285 | 162c1c1f | Guido Trotter | |
286 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
287 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
288 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
289 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
290 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
291 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
292 | 162c1c1f | Guido Trotter | self.sl.release()
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293 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
294 | 162c1c1f | Guido Trotter | self.sl.acquire()
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295 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
296 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=1)) |
297 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
298 | 162c1c1f | Guido Trotter | self.sl.release()
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299 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
300 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
301 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
302 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
303 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
304 | 162c1c1f | Guido Trotter | self.sl.release()
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305 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
306 | 162c1c1f | Guido Trotter | |
307 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
308 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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309 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
310 | 162c1c1f | Guido Trotter | self.sl.release()
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311 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
312 | 162c1c1f | Guido Trotter | self.sl.release()
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313 | 162c1c1f | Guido Trotter | |
314 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
315 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
316 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
317 | 162c1c1f | Guido Trotter | |
318 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
319 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
320 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
321 | 162c1c1f | Guido Trotter | |
322 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
323 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
324 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
325 | 162c1c1f | Guido Trotter | |
326 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
327 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
328 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
329 | 162c1c1f | Guido Trotter | |
330 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
|
331 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
|
332 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
333 | a95fd5d7 | Guido Trotter | try:
|
334 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
335 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
336 | a95fd5d7 | Guido Trotter | self.sl.release()
|
337 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
338 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
339 | 162c1c1f | Guido Trotter | |
340 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
341 | a95fd5d7 | Guido Trotter | try:
|
342 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
343 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
344 | a95fd5d7 | Guido Trotter | self.sl.release()
|
345 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
346 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
347 | a95fd5d7 | Guido Trotter | |
348 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
349 | a95fd5d7 | Guido Trotter | try:
|
350 | 4354ab03 | Guido Trotter | self.sl.delete()
|
351 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
352 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
353 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
354 | 162c1c1f | Guido Trotter | |
355 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
356 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
357 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
358 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
359 | 162c1c1f | Guido Trotter | self.sl.release()
|
360 | 162c1c1f | Guido Trotter | |
361 | 4607c978 | Iustin Pop | @_Repeat
|
362 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
363 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
364 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
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(), 'EXC') |
369 | 162c1c1f | Guido Trotter | |
370 | 4607c978 | Iustin Pop | @_Repeat
|
371 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
372 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
373 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
374 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
375 | a95fd5d7 | Guido Trotter | self.sl.release()
|
376 | 4607c978 | Iustin Pop | self._waitThreads()
|
377 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
378 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
379 | a95fd5d7 | Guido Trotter | |
380 | 4607c978 | Iustin Pop | @_Repeat
|
381 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
382 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
383 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
384 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
385 | 162c1c1f | Guido Trotter | self.sl.release()
|
386 | 4607c978 | Iustin Pop | self._waitThreads()
|
387 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
388 | 162c1c1f | Guido Trotter | |
389 | 4607c978 | Iustin Pop | @_Repeat
|
390 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
391 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
392 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
393 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
394 | 162c1c1f | Guido Trotter | self.sl.release()
|
395 | 4607c978 | Iustin Pop | self._waitThreads()
|
396 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
397 | 162c1c1f | Guido Trotter | |
398 | 4607c978 | Iustin Pop | @_Repeat
|
399 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
400 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
401 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
402 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
403 | a95fd5d7 | Guido Trotter | self.sl.release()
|
404 | 4607c978 | Iustin Pop | self._waitThreads()
|
405 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
406 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
407 | a95fd5d7 | Guido Trotter | |
408 | 4607c978 | Iustin Pop | @_Repeat
|
409 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
410 | e6416152 | Iustin Pop | """SKIPPED testWaitingExclusiveBlockSharer"""
|
411 | e6416152 | Iustin Pop | return
|
412 | e6416152 | Iustin Pop | |
413 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
414 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
|
415 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
416 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
|
417 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
418 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
|
419 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
420 | 162c1c1f | Guido Trotter | self.sl.release()
|
421 | 4607c978 | Iustin Pop | self._waitThreads()
|
422 | 162c1c1f | Guido Trotter | # The exclusive passed before
|
423 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
424 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
425 | 162c1c1f | Guido Trotter | |
426 | 4607c978 | Iustin Pop | @_Repeat
|
427 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
428 | a143be68 | Iustin Pop | """SKIPPED testWaitingSharerBlocksExclusive"""
|
429 | a143be68 | Iustin Pop | return
|
430 | a143be68 | Iustin Pop | |
431 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
432 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
|
433 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
434 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
|
435 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
436 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
|
437 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
438 | 162c1c1f | Guido Trotter | self.sl.release()
|
439 | 4607c978 | Iustin Pop | self._waitThreads()
|
440 | 162c1c1f | Guido Trotter | # The sharer passed before
|
441 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'SHR') |
442 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'EXC') |
443 | 162c1c1f | Guido Trotter | |
444 | a95fd5d7 | Guido Trotter | def testDelete(self): |
445 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
446 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
447 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
448 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
449 | a95fd5d7 | Guido Trotter | |
450 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
451 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
452 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
453 | 84152b96 | Guido Trotter | |
454 | 4607c978 | Iustin Pop | @_Repeat
|
455 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
456 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
457 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
458 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
459 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
460 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
461 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
462 | 4607c978 | Iustin Pop | self._waitThreads()
|
463 | 4607c978 | Iustin Pop | # The threads who were pending return ERR
|
464 | 4607c978 | Iustin Pop | for _ in range(4): |
465 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
466 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
467 | a95fd5d7 | Guido Trotter | |
468 | 4607c978 | Iustin Pop | @_Repeat
|
469 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
470 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
471 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
472 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
473 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
474 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
475 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
476 | 4607c978 | Iustin Pop | self._waitThreads()
|
477 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
|
478 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
479 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
480 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
481 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
482 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
483 | a95fd5d7 | Guido Trotter | |
484 | 84e344d4 | Michael Hanselmann | @_Repeat
|
485 | 84e344d4 | Michael Hanselmann | def testExclusiveAcquireTimeout(self): |
486 | 84e344d4 | Michael Hanselmann | def _LockExclusive(wait): |
487 | 84e344d4 | Michael Hanselmann | self.sl.acquire(shared=0) |
488 | 84e344d4 | Michael Hanselmann | self.done.put("A: start sleep") |
489 | 84e344d4 | Michael Hanselmann | time.sleep(wait) |
490 | 84e344d4 | Michael Hanselmann | self.done.put("A: end sleep") |
491 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
492 | 84e344d4 | Michael Hanselmann | |
493 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
494 | 84e344d4 | Michael Hanselmann | # Start thread to hold lock for 20 ms
|
495 | 84e344d4 | Michael Hanselmann | self._addThread(target=_LockExclusive, args=(20.0 / 1000.0, )) |
496 | 84e344d4 | Michael Hanselmann | |
497 | 2042aa94 | Michael Hanselmann | # Wait for sleep to begin
|
498 | 2042aa94 | Michael Hanselmann | self.assertEqual(self.done.get(), "A: start sleep") |
499 | 2042aa94 | Michael Hanselmann | |
500 | 84e344d4 | Michael Hanselmann | # Wait up to 100 ms to get lock
|
501 | 84e344d4 | Michael Hanselmann | self.failUnless(self.sl.acquire(shared=shared, timeout=0.1)) |
502 | 84e344d4 | Michael Hanselmann | self.done.put("got 2nd") |
503 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
504 | 84e344d4 | Michael Hanselmann | |
505 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
506 | 84e344d4 | Michael Hanselmann | |
507 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "A: end sleep") |
508 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "got 2nd") |
509 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
510 | 84e344d4 | Michael Hanselmann | |
511 | 84e344d4 | Michael Hanselmann | @_Repeat
|
512 | 84e344d4 | Michael Hanselmann | def testAcquireExpiringTimeout(self): |
513 | 84e344d4 | Michael Hanselmann | def _AcquireWithTimeout(shared, timeout): |
514 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=shared, timeout=timeout): |
515 | 84e344d4 | Michael Hanselmann | self.done.put("timeout") |
516 | 84e344d4 | Michael Hanselmann | |
517 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
518 | 84e344d4 | Michael Hanselmann | # Lock exclusively
|
519 | 84e344d4 | Michael Hanselmann | self.sl.acquire()
|
520 | 84e344d4 | Michael Hanselmann | |
521 | 84e344d4 | Michael Hanselmann | # Start shared acquires with timeout between 0 and 20 ms
|
522 | 84e344d4 | Michael Hanselmann | for i in xrange(11): |
523 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireWithTimeout,
|
524 | 84e344d4 | Michael Hanselmann | args=(shared, i * 2.0 / 1000.0)) |
525 | 84e344d4 | Michael Hanselmann | |
526 | 84e344d4 | Michael Hanselmann | # Wait for threads to finish (makes sure the acquire timeout expires
|
527 | 84e344d4 | Michael Hanselmann | # before releasing the lock)
|
528 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
529 | 84e344d4 | Michael Hanselmann | |
530 | 84e344d4 | Michael Hanselmann | # Release lock
|
531 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
532 | 84e344d4 | Michael Hanselmann | |
533 | 84e344d4 | Michael Hanselmann | for _ in xrange(11): |
534 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "timeout") |
535 | 84e344d4 | Michael Hanselmann | |
536 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
537 | 84e344d4 | Michael Hanselmann | |
538 | 84e344d4 | Michael Hanselmann | @_Repeat
|
539 | 84e344d4 | Michael Hanselmann | def testSharedSkipExclusiveAcquires(self): |
540 | 84e344d4 | Michael Hanselmann | # Tests whether shared acquires jump in front of exclusive acquires in the
|
541 | 84e344d4 | Michael Hanselmann | # queue.
|
542 | 84e344d4 | Michael Hanselmann | |
543 | 84e344d4 | Michael Hanselmann | # Get exclusive lock while we fill the queue
|
544 | 84e344d4 | Michael Hanselmann | self.sl.acquire()
|
545 | 84e344d4 | Michael Hanselmann | |
546 | 84e344d4 | Michael Hanselmann | def _Acquire(shared, name): |
547 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=shared): |
548 | 84e344d4 | Michael Hanselmann | return
|
549 | 84e344d4 | Michael Hanselmann | |
550 | 84e344d4 | Michael Hanselmann | self.done.put(name)
|
551 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
552 | 84e344d4 | Michael Hanselmann | |
553 | 84e344d4 | Michael Hanselmann | # Start shared acquires
|
554 | 84e344d4 | Michael Hanselmann | for _ in xrange(5): |
555 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(1, "shared A")) |
556 | 84e344d4 | Michael Hanselmann | |
557 | 84e344d4 | Michael Hanselmann | # Start exclusive acquires
|
558 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
559 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(0, "exclusive B")) |
560 | 84e344d4 | Michael Hanselmann | |
561 | 84e344d4 | Michael Hanselmann | # More shared acquires
|
562 | 84e344d4 | Michael Hanselmann | for _ in xrange(5): |
563 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(1, "shared C")) |
564 | 84e344d4 | Michael Hanselmann | |
565 | 84e344d4 | Michael Hanselmann | # More exclusive acquires
|
566 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
567 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(0, "exclusive D")) |
568 | 84e344d4 | Michael Hanselmann | |
569 | 84e344d4 | Michael Hanselmann | # Expect 6 pending exclusive acquires and 1 for all shared acquires
|
570 | 2042aa94 | Michael Hanselmann | # together. There's no way to wait for SharedLock.acquire to start
|
571 | 2042aa94 | Michael Hanselmann | # its work. Hence the timeout of 2 seconds.
|
572 | 2042aa94 | Michael Hanselmann | pending = 0
|
573 | 2042aa94 | Michael Hanselmann | end_time = time.time() + 2.0
|
574 | 2042aa94 | Michael Hanselmann | while time.time() < end_time:
|
575 | 2042aa94 | Michael Hanselmann | pending = self.sl._count_pending()
|
576 | 2042aa94 | Michael Hanselmann | self.assert_(pending >= 0 and pending <= 7) |
577 | 2042aa94 | Michael Hanselmann | if pending == 7: |
578 | 2042aa94 | Michael Hanselmann | break
|
579 | 2042aa94 | Michael Hanselmann | time.sleep(0.05)
|
580 | 2042aa94 | Michael Hanselmann | self.assertEqual(pending, 7) |
581 | 84e344d4 | Michael Hanselmann | |
582 | 84e344d4 | Michael Hanselmann | # Release exclusive lock and wait
|
583 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
584 | 84e344d4 | Michael Hanselmann | |
585 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
586 | 84e344d4 | Michael Hanselmann | |
587 | 84e344d4 | Michael Hanselmann | # Check sequence
|
588 | 2042aa94 | Michael Hanselmann | shr_a = 0
|
589 | 2042aa94 | Michael Hanselmann | shr_c = 0
|
590 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
591 | 84e344d4 | Michael Hanselmann | # Shared locks aren't guaranteed to be notified in order, but they'll be
|
592 | 84e344d4 | Michael Hanselmann | # first
|
593 | 2042aa94 | Michael Hanselmann | tmp = self.done.get_nowait()
|
594 | 2042aa94 | Michael Hanselmann | if tmp == "shared A": |
595 | 2042aa94 | Michael Hanselmann | shr_a += 1
|
596 | 2042aa94 | Michael Hanselmann | elif tmp == "shared C": |
597 | 2042aa94 | Michael Hanselmann | shr_c += 1
|
598 | 2042aa94 | Michael Hanselmann | self.assertEqual(shr_a, 5) |
599 | 2042aa94 | Michael Hanselmann | self.assertEqual(shr_c, 5) |
600 | 84e344d4 | Michael Hanselmann | |
601 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
602 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive B") |
603 | 84e344d4 | Michael Hanselmann | |
604 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
605 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive D") |
606 | 84e344d4 | Michael Hanselmann | |
607 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
608 | 84e344d4 | Michael Hanselmann | |
609 | 84e344d4 | Michael Hanselmann | @_Repeat
|
610 | 84e344d4 | Michael Hanselmann | def testMixedAcquireTimeout(self): |
611 | 84e344d4 | Michael Hanselmann | sync = threading.Condition() |
612 | 84e344d4 | Michael Hanselmann | |
613 | 84e344d4 | Michael Hanselmann | def _AcquireShared(ev): |
614 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=1, timeout=None): |
615 | 84e344d4 | Michael Hanselmann | return
|
616 | 84e344d4 | Michael Hanselmann | |
617 | 84e344d4 | Michael Hanselmann | self.done.put("shared") |
618 | 84e344d4 | Michael Hanselmann | |
619 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
620 | 84e344d4 | Michael Hanselmann | ev.set() |
621 | 84e344d4 | Michael Hanselmann | |
622 | 84e344d4 | Michael Hanselmann | # Wait for notification
|
623 | 84e344d4 | Michael Hanselmann | sync.acquire() |
624 | 84e344d4 | Michael Hanselmann | try:
|
625 | 84e344d4 | Michael Hanselmann | sync.wait() |
626 | 84e344d4 | Michael Hanselmann | finally:
|
627 | 84e344d4 | Michael Hanselmann | sync.release() |
628 | 84e344d4 | Michael Hanselmann | |
629 | 84e344d4 | Michael Hanselmann | # Release lock
|
630 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
631 | 84e344d4 | Michael Hanselmann | |
632 | 84e344d4 | Michael Hanselmann | acquires = [] |
633 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
634 | 84e344d4 | Michael Hanselmann | ev = threading.Event() |
635 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireShared, args=(ev, ))
|
636 | 84e344d4 | Michael Hanselmann | acquires.append(ev) |
637 | 84e344d4 | Michael Hanselmann | |
638 | 84e344d4 | Michael Hanselmann | # Wait for all acquires to finish
|
639 | 84e344d4 | Michael Hanselmann | for i in acquires: |
640 | 84e344d4 | Michael Hanselmann | i.wait() |
641 | 84e344d4 | Michael Hanselmann | |
642 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
643 | 84e344d4 | Michael Hanselmann | |
644 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
645 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
646 | 84e344d4 | Michael Hanselmann | |
647 | 84e344d4 | Michael Hanselmann | # Acquire exclusive without timeout
|
648 | 84e344d4 | Michael Hanselmann | exclsync = threading.Condition() |
649 | 84e344d4 | Michael Hanselmann | exclev = threading.Event() |
650 | 84e344d4 | Michael Hanselmann | |
651 | 84e344d4 | Michael Hanselmann | def _AcquireExclusive(): |
652 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=0): |
653 | 84e344d4 | Michael Hanselmann | return
|
654 | 84e344d4 | Michael Hanselmann | |
655 | 84e344d4 | Michael Hanselmann | self.done.put("exclusive") |
656 | 84e344d4 | Michael Hanselmann | |
657 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
658 | 84e344d4 | Michael Hanselmann | exclev.set() |
659 | 84e344d4 | Michael Hanselmann | |
660 | 84e344d4 | Michael Hanselmann | exclsync.acquire() |
661 | 84e344d4 | Michael Hanselmann | try:
|
662 | 84e344d4 | Michael Hanselmann | exclsync.wait() |
663 | 84e344d4 | Michael Hanselmann | finally:
|
664 | 84e344d4 | Michael Hanselmann | exclsync.release() |
665 | 84e344d4 | Michael Hanselmann | |
666 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
667 | 84e344d4 | Michael Hanselmann | |
668 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireExclusive)
|
669 | 84e344d4 | Michael Hanselmann | |
670 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
671 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
672 | 84e344d4 | Michael Hanselmann | |
673 | 84e344d4 | Michael Hanselmann | # Make all shared holders release their locks
|
674 | 84e344d4 | Michael Hanselmann | sync.acquire() |
675 | 84e344d4 | Michael Hanselmann | try:
|
676 | 84e344d4 | Michael Hanselmann | sync.notifyAll() |
677 | 84e344d4 | Michael Hanselmann | finally:
|
678 | 84e344d4 | Michael Hanselmann | sync.release() |
679 | 84e344d4 | Michael Hanselmann | |
680 | 84e344d4 | Michael Hanselmann | # Wait for exclusive acquire to succeed
|
681 | 84e344d4 | Michael Hanselmann | exclev.wait() |
682 | 84e344d4 | Michael Hanselmann | |
683 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
684 | 84e344d4 | Michael Hanselmann | |
685 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
686 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
687 | 84e344d4 | Michael Hanselmann | |
688 | 84e344d4 | Michael Hanselmann | def _AcquireSharedSimple(): |
689 | 84e344d4 | Michael Hanselmann | if self.sl.acquire(shared=1, timeout=None): |
690 | 84e344d4 | Michael Hanselmann | self.done.put("shared2") |
691 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
692 | 84e344d4 | Michael Hanselmann | |
693 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
694 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireSharedSimple)
|
695 | 84e344d4 | Michael Hanselmann | |
696 | 84e344d4 | Michael Hanselmann | # Tell exclusive lock to release
|
697 | 84e344d4 | Michael Hanselmann | exclsync.acquire() |
698 | 84e344d4 | Michael Hanselmann | try:
|
699 | 84e344d4 | Michael Hanselmann | exclsync.notifyAll() |
700 | 84e344d4 | Michael Hanselmann | finally:
|
701 | 84e344d4 | Michael Hanselmann | exclsync.release() |
702 | 84e344d4 | Michael Hanselmann | |
703 | 84e344d4 | Michael Hanselmann | # Wait for everything to finish
|
704 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
705 | 84e344d4 | Michael Hanselmann | |
706 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
707 | 84e344d4 | Michael Hanselmann | |
708 | 84e344d4 | Michael Hanselmann | # Check sequence
|
709 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
710 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared") |
711 | 84e344d4 | Michael Hanselmann | |
712 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive") |
713 | 84e344d4 | Michael Hanselmann | |
714 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
715 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared2") |
716 | 84e344d4 | Michael Hanselmann | |
717 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
718 | 84e344d4 | Michael Hanselmann | |
719 | 162c1c1f | Guido Trotter | |
720 | 4607c978 | Iustin Pop | class TestSSynchronizedDecorator(_ThreadedTestCase): |
721 | 42a999d1 | Guido Trotter | """Shared Lock Synchronized decorator test"""
|
722 | 42a999d1 | Guido Trotter | |
723 | 42a999d1 | Guido Trotter | def setUp(self): |
724 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
725 | 42a999d1 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
|
726 | 42a999d1 | Guido Trotter | self.done = Queue.Queue(0) |
727 | 42a999d1 | Guido Trotter | |
728 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock)
|
729 | 42a999d1 | Guido Trotter | def _doItExclusive(self): |
730 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned())
|
731 | 42a999d1 | Guido Trotter | self.done.put('EXC') |
732 | 42a999d1 | Guido Trotter | |
733 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock, shared=1) |
734 | 42a999d1 | Guido Trotter | def _doItSharer(self): |
735 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned(shared=1)) |
736 | 42a999d1 | Guido Trotter | self.done.put('SHR') |
737 | 42a999d1 | Guido Trotter | |
738 | 42a999d1 | Guido Trotter | def testDecoratedFunctions(self): |
739 | 42a999d1 | Guido Trotter | self._doItExclusive()
|
740 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
741 | 42a999d1 | Guido Trotter | self._doItSharer()
|
742 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
743 | 42a999d1 | Guido Trotter | |
744 | 42a999d1 | Guido Trotter | def testSharersCanCoexist(self): |
745 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
746 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
747 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
748 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
749 | 42a999d1 | Guido Trotter | |
750 | 4607c978 | Iustin Pop | @_Repeat
|
751 | 42a999d1 | Guido Trotter | def testExclusiveBlocksExclusive(self): |
752 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
753 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
754 | 42a999d1 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
|
755 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
756 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
757 | 4607c978 | Iustin Pop | self._waitThreads()
|
758 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
759 | 42a999d1 | Guido Trotter | |
760 | 4607c978 | Iustin Pop | @_Repeat
|
761 | 42a999d1 | Guido Trotter | def testExclusiveBlocksSharer(self): |
762 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
763 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
764 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
765 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
766 | 4607c978 | Iustin Pop | self._waitThreads()
|
767 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
768 | 42a999d1 | Guido Trotter | |
769 | 4607c978 | Iustin Pop | @_Repeat
|
770 | 42a999d1 | Guido Trotter | def testSharerBlocksExclusive(self): |
771 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
772 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
773 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
774 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
775 | 4607c978 | Iustin Pop | self._waitThreads()
|
776 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
777 | 42a999d1 | Guido Trotter | |
778 | 42a999d1 | Guido Trotter | |
779 | 4607c978 | Iustin Pop | class TestLockSet(_ThreadedTestCase): |
780 | aaae9bc0 | Guido Trotter | """LockSet tests"""
|
781 | aaae9bc0 | Guido Trotter | |
782 | aaae9bc0 | Guido Trotter | def setUp(self): |
783 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
784 | 4607c978 | Iustin Pop | self._setUpLS()
|
785 | aaae9bc0 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
|
786 | aaae9bc0 | Guido Trotter | self.done = Queue.Queue(0) |
787 | aaae9bc0 | Guido Trotter | |
788 | 4607c978 | Iustin Pop | def _setUpLS(self): |
789 | 4607c978 | Iustin Pop | """Helper to (re)initialize the lock set"""
|
790 | 4607c978 | Iustin Pop | self.resources = ['one', 'two', 'three'] |
791 | 4607c978 | Iustin Pop | self.ls = locking.LockSet(members=self.resources) |
792 | 4607c978 | Iustin Pop | |
793 | aaae9bc0 | Guido Trotter | def testResources(self): |
794 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
795 | aaae9bc0 | Guido Trotter | newls = locking.LockSet() |
796 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
797 | aaae9bc0 | Guido Trotter | |
798 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
799 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
800 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
801 | aaae9bc0 | Guido Trotter | self.ls.release()
|
802 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
803 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
804 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
805 | aaae9bc0 | Guido Trotter | self.ls.release()
|
806 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
807 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
808 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
809 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
810 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
811 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
812 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
813 | aaae9bc0 | Guido Trotter | self.ls.release()
|
814 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
815 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
816 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
817 | aaae9bc0 | Guido Trotter | self.ls.release()
|
818 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
819 | aaae9bc0 | Guido Trotter | |
820 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
821 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
822 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
823 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
824 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
825 | aaae9bc0 | Guido Trotter | self.ls.release()
|
826 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
827 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
828 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
829 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
830 | aaae9bc0 | Guido Trotter | |
831 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
832 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
833 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
834 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
835 | aaae9bc0 | Guido Trotter | |
836 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
837 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
838 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
839 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
840 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
841 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
842 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
843 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
844 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
845 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
846 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
847 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
848 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
849 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight', acquired=1) |
850 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
851 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
852 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set([])) |
853 | d2aff862 | Guido Trotter | self.ls.acquire(None, shared=1) |
854 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight') |
855 | d2aff862 | Guido Trotter | self.ls.release()
|
856 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
857 | d2aff862 | Guido Trotter | self.ls.add('eight', acquired=1) |
858 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
859 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._list_owned()) |
860 | d2aff862 | Guido Trotter | self.ls.add('nine') |
861 | d2aff862 | Guido Trotter | self.assert_('nine' in self.ls._names()) |
862 | d2aff862 | Guido Trotter | self.assert_('nine' not in self.ls._list_owned()) |
863 | aaae9bc0 | Guido Trotter | self.ls.release()
|
864 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
865 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
866 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
867 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
868 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
869 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
870 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
871 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
872 | aaae9bc0 | Guido Trotter | |
873 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
874 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
875 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove('one'), ['one']) |
876 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
877 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove(['two', 'three']), |
878 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
879 | aaae9bc0 | Guido Trotter | |
880 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
881 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
882 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
883 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
884 | aaae9bc0 | Guido Trotter | |
885 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
886 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
887 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
888 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
889 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
890 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
891 | aaae9bc0 | Guido Trotter | |
892 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
893 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
894 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
895 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
896 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
897 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._names(), set(['one', 'two', 'three'])) |
898 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
899 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
900 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
901 | 3b7ed473 | Guido Trotter | self.ls.release()
|
902 | 3b7ed473 | Guido Trotter | # share the set-lock
|
903 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
904 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
905 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
906 | 3b7ed473 | Guido Trotter | self.ls.release()
|
907 | 3b7ed473 | Guido Trotter | |
908 | d4f6a91c | Guido Trotter | def testAcquireWithRepetitions(self): |
909 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
910 | d4f6a91c | Guido Trotter | set(['two', 'two', 'three'])) |
911 | d4f6a91c | Guido Trotter | self.ls.release(['two', 'two']) |
912 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['three'])) |
913 | d4f6a91c | Guido Trotter | |
914 | 2e1d6d96 | Guido Trotter | def testEmptyAcquire(self): |
915 | 2e1d6d96 | Guido Trotter | # Acquire an empty list of locks...
|
916 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([]), set()) |
917 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
918 | 2e1d6d96 | Guido Trotter | # New locks can still be addded
|
919 | 2e1d6d96 | Guido Trotter | self.assert_(self.ls.add('six')) |
920 | 2e1d6d96 | Guido Trotter | # "re-acquiring" is not an issue, since we had really acquired nothing
|
921 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([], shared=1), set()) |
922 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
923 | 2e1d6d96 | Guido Trotter | # We haven't really acquired anything, so we cannot release
|
924 | 2e1d6d96 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
925 | 2e1d6d96 | Guido Trotter | |
926 | 84e344d4 | Michael Hanselmann | def _doLockSet(self, names, shared): |
927 | aaae9bc0 | Guido Trotter | try:
|
928 | 84e344d4 | Michael Hanselmann | self.ls.acquire(names, shared=shared)
|
929 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
930 | aaae9bc0 | Guido Trotter | self.ls.release()
|
931 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
932 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
933 | aaae9bc0 | Guido Trotter | |
934 | 84e344d4 | Michael Hanselmann | def _doAddSet(self, names): |
935 | 3b7ed473 | Guido Trotter | try:
|
936 | 84e344d4 | Michael Hanselmann | self.ls.add(names, acquired=1) |
937 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
938 | 3b7ed473 | Guido Trotter | self.ls.release()
|
939 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
940 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
941 | 3b7ed473 | Guido Trotter | |
942 | 84e344d4 | Michael Hanselmann | def _doRemoveSet(self, names): |
943 | 84e344d4 | Michael Hanselmann | self.done.put(self.ls.remove(names)) |
944 | aaae9bc0 | Guido Trotter | |
945 | 4607c978 | Iustin Pop | @_Repeat
|
946 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
947 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
948 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
949 | 4607c978 | Iustin Pop | self._waitThreads()
|
950 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
951 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)) |
952 | 4607c978 | Iustin Pop | self._waitThreads()
|
953 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
954 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
955 | 4607c978 | Iustin Pop | self._waitThreads()
|
956 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
957 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
958 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
959 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
960 | aaae9bc0 | Guido Trotter | self.ls.release()
|
961 | 4607c978 | Iustin Pop | self._waitThreads()
|
962 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
963 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
964 | aaae9bc0 | Guido Trotter | |
965 | 4607c978 | Iustin Pop | @_Repeat
|
966 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
967 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
968 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
969 | 4607c978 | Iustin Pop | self._waitThreads()
|
970 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
971 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 0)) |
972 | 4607c978 | Iustin Pop | self._waitThreads()
|
973 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
974 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
975 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
976 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
977 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 0)) |
978 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 1)) |
979 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
980 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 1)) |
981 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
982 | aaae9bc0 | Guido Trotter | self.ls.release()
|
983 | 4607c978 | Iustin Pop | self._waitThreads()
|
984 | 4607c978 | Iustin Pop | for _ in range(6): |
985 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
986 | aaae9bc0 | Guido Trotter | |
987 | 4607c978 | Iustin Pop | @_Repeat
|
988 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
989 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
990 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
991 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 0)) |
992 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 1)) |
993 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
994 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
995 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
996 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
997 | aaae9bc0 | Guido Trotter | self.ls.release()
|
998 | 4607c978 | Iustin Pop | self._waitThreads()
|
999 | 4607c978 | Iustin Pop | for i in range(4): |
1000 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'ERR') |
1001 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
1002 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 1)) |
1003 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 0)) |
1004 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 1)) |
1005 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 0)) |
1006 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
1007 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1008 | 4607c978 | Iustin Pop | self._waitThreads()
|
1009 | 4607c978 | Iustin Pop | for i in range(4): |
1010 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
1011 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
1012 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['four', 'six'], )) |
1013 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1014 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
1015 | 4607c978 | Iustin Pop | self._waitThreads()
|
1016 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['six']) |
1017 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'])) |
1018 | 4607c978 | Iustin Pop | self._waitThreads()
|
1019 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['two']) |
1020 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1021 | 4607c978 | Iustin Pop | # reset lockset
|
1022 | 4607c978 | Iustin Pop | self._setUpLS()
|
1023 | aaae9bc0 | Guido Trotter | |
1024 | 4607c978 | Iustin Pop | @_Repeat
|
1025 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
1026 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
1027 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
1028 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
1029 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1030 | 4607c978 | Iustin Pop | self._waitThreads()
|
1031 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1032 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
1033 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'three'], 1)) |
1034 | 4607c978 | Iustin Pop | self._waitThreads()
|
1035 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1036 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
1037 | 4607c978 | Iustin Pop | t = self._addThread(target=self._doAddSet, args=(['nine'])) |
1038 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'], )) |
1039 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1040 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
1041 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
1042 | 4607c978 | Iustin Pop | t.join(60)
|
1043 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1044 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
1045 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1046 | 4607c978 | Iustin Pop | self._waitThreads()
|
1047 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), ['two']) |
1048 | 4607c978 | Iustin Pop | # reset lockset
|
1049 | 4607c978 | Iustin Pop | self._setUpLS()
|
1050 | 3b7ed473 | Guido Trotter | |
1051 | 4607c978 | Iustin Pop | @_Repeat
|
1052 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
1053 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
1054 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
1055 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
1056 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1057 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1058 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three'], 0)) |
1059 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two'], 1)) |
1060 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1061 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1062 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1063 | 4607c978 | Iustin Pop | self._waitThreads()
|
1064 | 4607c978 | Iustin Pop | for _ in range(5): |
1065 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get(True, 1), 'DONE') |
1066 | 4607c978 | Iustin Pop | # cleanup
|
1067 | 4607c978 | Iustin Pop | self._setUpLS()
|
1068 | 3b7ed473 | Guido Trotter | |
1069 | 4607c978 | Iustin Pop | @_Repeat
|
1070 | d2aff862 | Guido Trotter | def testConcurrentSetLockAdd(self): |
1071 | d2aff862 | Guido Trotter | self.ls.acquire('one') |
1072 | d2aff862 | Guido Trotter | # Another thread wants the whole SetLock
|
1073 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1074 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1075 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1076 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'four') |
1077 | d2aff862 | Guido Trotter | self.ls.release()
|
1078 | 4607c978 | Iustin Pop | self._waitThreads()
|
1079 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1080 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1081 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
1082 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1083 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1084 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1085 | d2aff862 | Guido Trotter | self.ls.add('four') |
1086 | d2aff862 | Guido Trotter | self.ls.add('five', acquired=1) |
1087 | d2aff862 | Guido Trotter | self.ls.add('six', acquired=1, shared=1) |
1088 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), |
1089 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'five', 'six'])) |
1090 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
1091 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._names(), |
1092 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'four', 'five', 'six'])) |
1093 | d2aff862 | Guido Trotter | self.ls.release()
|
1094 | 4607c978 | Iustin Pop | self._waitThreads()
|
1095 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1096 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1097 | 4607c978 | Iustin Pop | self._setUpLS()
|
1098 | d2aff862 | Guido Trotter | |
1099 | 4607c978 | Iustin Pop | @_Repeat
|
1100 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
1101 | b2dabfd6 | Guido Trotter | # get the set-lock
|
1102 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
1103 | b2dabfd6 | Guido Trotter | # now empty it...
|
1104 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
1105 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
1106 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1107 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1108 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1109 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1110 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1111 | 4607c978 | Iustin Pop | self._waitThreads()
|
1112 | 4607c978 | Iustin Pop | for _ in range(3): |
1113 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1114 | b2dabfd6 | Guido Trotter | # empty it again...
|
1115 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
1116 | b2dabfd6 | Guido Trotter | # now share it...
|
1117 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
1118 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
1119 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1120 | 4607c978 | Iustin Pop | self._waitThreads()
|
1121 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1122 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1123 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1124 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1125 | 4607c978 | Iustin Pop | self._waitThreads()
|
1126 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1127 | 4607c978 | Iustin Pop | self._setUpLS()
|
1128 | b2dabfd6 | Guido Trotter | |
1129 | aaae9bc0 | Guido Trotter | |
1130 | 4607c978 | Iustin Pop | class TestGanetiLockManager(_ThreadedTestCase): |
1131 | 7ee7c0c7 | Guido Trotter | |
1132 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
1133 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
1134 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
1135 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
1136 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes, |
1137 | 7ee7c0c7 | Guido Trotter | instances=self.instances)
|
1138 | 7ee7c0c7 | Guido Trotter | self.done = Queue.Queue(0) |
1139 | 7ee7c0c7 | Guido Trotter | |
1140 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
1141 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
1142 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1143 | 7ee7c0c7 | Guido Trotter | |
1144 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
1145 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
1146 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
1147 | b10b9d74 | Guido Trotter | # This relationship is also used in the Processor to recursively acquire
|
1148 | b10b9d74 | Guido Trotter | # the right locks. Again, please don't break it.
|
1149 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
1150 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
1151 | 7ee7c0c7 | Guido Trotter | |
1152 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
1153 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager) |
1154 | 7ee7c0c7 | Guido Trotter | |
1155 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
1156 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1157 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1158 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1159 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1160 | 7ee7c0c7 | Guido Trotter | |
1161 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
1162 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1163 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager()
|
1164 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1165 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1166 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1167 | 7ee7c0c7 | Guido Trotter | |
1168 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1169 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes) |
1170 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1171 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1172 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1173 | 7ee7c0c7 | Guido Trotter | |
1174 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1175 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(instances=self.instances) |
1176 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1177 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1178 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1179 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1180 | 7ee7c0c7 | Guido Trotter | |
1181 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
1182 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1183 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
1184 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
1185 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
1186 | 04e1bfaf | Guido Trotter | self.GL.release(locking.LEVEL_NODE, ['n2']) |
1187 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
1188 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1189 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1190 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
1191 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1192 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1193 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
1194 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
1195 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
1196 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
1197 | 7ee7c0c7 | Guido Trotter | |
1198 | 90c942d1 | Guido Trotter | def testAcquireWholeSets(self): |
1199 | 90c942d1 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1200 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1201 | 90c942d1 | Guido Trotter | set(self.instances)) |
1202 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1203 | 90c942d1 | Guido Trotter | set(self.instances)) |
1204 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
1205 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1206 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1207 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1208 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1209 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1210 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1211 | d4f6a91c | Guido Trotter | |
1212 | d4f6a91c | Guido Trotter | def testAcquireWholeAndPartial(self): |
1213 | d4f6a91c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1214 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1215 | d4f6a91c | Guido Trotter | set(self.instances)) |
1216 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1217 | d4f6a91c | Guido Trotter | set(self.instances)) |
1218 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
1219 | d4f6a91c | Guido Trotter | set(['n2'])) |
1220 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1221 | d4f6a91c | Guido Trotter | set(['n2'])) |
1222 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1223 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1224 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1225 | 90c942d1 | Guido Trotter | |
1226 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
1227 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1228 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
1229 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1230 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
1231 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1232 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
1233 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1234 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1235 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1236 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1237 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1238 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
1239 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1240 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1241 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1242 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1243 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1244 | 7ee7c0c7 | Guido Trotter | |
1245 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
1246 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1247 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
1248 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1249 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
1250 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1251 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
1252 | 7ee7c0c7 | Guido Trotter | |
1253 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
1254 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
1255 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
1256 | 7ee7c0c7 | Guido Trotter | try:
|
1257 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1258 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
1259 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
1260 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
1261 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1262 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
1263 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
1264 | 7ee7c0c7 | Guido Trotter | |
1265 | 4607c978 | Iustin Pop | @_Repeat
|
1266 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
1267 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1268 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1269 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1270 | 4607c978 | Iustin Pop | self._waitThreads()
|
1271 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1272 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
1273 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1274 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1275 | 4607c978 | Iustin Pop | self._waitThreads()
|
1276 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1277 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1278 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i3', 1)) |
1279 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1280 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1281 | 4607c978 | Iustin Pop | self._waitThreads()
|
1282 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1283 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
1284 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1285 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 1)) |
1286 | 4607c978 | Iustin Pop | self._waitThreads()
|
1287 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1288 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1289 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 0)) |
1290 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1291 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1292 | 4607c978 | Iustin Pop | self._waitThreads()
|
1293 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
1294 | 4607c978 | Iustin Pop | self.GL.release(locking.LEVEL_CLUSTER, ['BGL']) |
1295 | 7ee7c0c7 | Guido Trotter | |
1296 | 7ee7c0c7 | Guido Trotter | |
1297 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
1298 | 162c1c1f | Guido Trotter | unittest.main() |
1299 | 162c1c1f | Guido Trotter | #suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
|
1300 | 162c1c1f | Guido Trotter | #unittest.TextTestRunner(verbosity=2).run(suite) |