root / test / ganeti.locking_unittest.py @ 1abbbbe2
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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 | 162c1c1f | Guido Trotter | |
30 | 162c1c1f | Guido Trotter | from ganeti import locking |
31 | a95fd5d7 | Guido Trotter | from ganeti import errors |
32 | 162c1c1f | Guido Trotter | from threading import Thread |
33 | 162c1c1f | Guido Trotter | |
34 | 162c1c1f | Guido Trotter | |
35 | 162c1c1f | Guido Trotter | class TestSharedLock(unittest.TestCase): |
36 | d6646186 | Guido Trotter | """SharedLock tests"""
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37 | 162c1c1f | Guido Trotter | |
38 | 162c1c1f | Guido Trotter | def setUp(self): |
39 | 162c1c1f | Guido Trotter | self.sl = locking.SharedLock()
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40 | 162c1c1f | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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41 | 162c1c1f | Guido Trotter | self.done = Queue.Queue(0) |
42 | 162c1c1f | Guido Trotter | |
43 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
44 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
45 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
46 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
47 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
48 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
49 | 162c1c1f | Guido Trotter | self.sl.release()
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50 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
51 | 162c1c1f | Guido Trotter | self.sl.acquire()
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52 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
53 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=1)) |
54 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
55 | 162c1c1f | Guido Trotter | self.sl.release()
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56 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
57 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
58 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
59 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
60 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
61 | 162c1c1f | Guido Trotter | self.sl.release()
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62 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
63 | 162c1c1f | Guido Trotter | |
64 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
65 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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66 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
67 | 162c1c1f | Guido Trotter | self.sl.release()
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68 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
69 | 162c1c1f | Guido Trotter | self.sl.release()
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70 | 162c1c1f | Guido Trotter | |
71 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
72 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
73 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
74 | 162c1c1f | Guido Trotter | |
75 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
76 | 162c1c1f | Guido Trotter | self.sl.acquire()
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77 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
78 | 162c1c1f | Guido Trotter | |
79 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
80 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
81 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
82 | 162c1c1f | Guido Trotter | |
83 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
84 | 162c1c1f | Guido Trotter | self.sl.acquire()
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85 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
86 | 162c1c1f | Guido Trotter | |
87 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
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88 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
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89 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
90 | a95fd5d7 | Guido Trotter | try:
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91 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
92 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
93 | a95fd5d7 | Guido Trotter | self.sl.release()
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94 | a95fd5d7 | Guido Trotter | except errors.LockError:
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95 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
96 | 162c1c1f | Guido Trotter | |
97 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
98 | a95fd5d7 | Guido Trotter | try:
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99 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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100 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
101 | a95fd5d7 | Guido Trotter | self.sl.release()
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102 | a95fd5d7 | Guido Trotter | except errors.LockError:
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103 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
104 | a95fd5d7 | Guido Trotter | |
105 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
106 | a95fd5d7 | Guido Trotter | try:
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107 | 4354ab03 | Guido Trotter | self.sl.delete()
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108 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
109 | a95fd5d7 | Guido Trotter | except errors.LockError:
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110 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
111 | 162c1c1f | Guido Trotter | |
112 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
113 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
114 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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115 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
116 | 162c1c1f | Guido Trotter | self.sl.release()
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117 | 162c1c1f | Guido Trotter | |
118 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
119 | 162c1c1f | Guido Trotter | self.sl.acquire()
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120 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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121 | 162c1c1f | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
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122 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
123 | 162c1c1f | Guido Trotter | self.sl.release()
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124 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
125 | 162c1c1f | Guido Trotter | |
126 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
127 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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128 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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129 | a95fd5d7 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
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130 | a95fd5d7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
131 | a95fd5d7 | Guido Trotter | self.sl.release()
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132 | a95fd5d7 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
133 | a95fd5d7 | Guido Trotter | |
134 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
135 | 162c1c1f | Guido Trotter | self.sl.acquire()
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136 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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137 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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138 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
139 | 162c1c1f | Guido Trotter | self.sl.release()
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140 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
141 | 162c1c1f | Guido Trotter | |
142 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
143 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
144 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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145 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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146 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
147 | 162c1c1f | Guido Trotter | self.sl.release()
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148 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
149 | 162c1c1f | Guido Trotter | |
150 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
151 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
152 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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153 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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154 | a95fd5d7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
155 | a95fd5d7 | Guido Trotter | self.sl.release()
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156 | a95fd5d7 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
157 | a95fd5d7 | Guido Trotter | |
158 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
159 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
160 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
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161 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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162 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
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163 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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164 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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165 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
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166 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
167 | 162c1c1f | Guido Trotter | self.sl.release()
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168 | 162c1c1f | Guido Trotter | # The exclusive passed before
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169 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'EXC') |
170 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'SHR') |
171 | 162c1c1f | Guido Trotter | |
172 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
173 | 162c1c1f | Guido Trotter | self.sl.acquire()
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174 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
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175 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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176 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
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177 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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178 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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179 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
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180 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
181 | 162c1c1f | Guido Trotter | self.sl.release()
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182 | 162c1c1f | Guido Trotter | # The sharer passed before
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183 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'SHR') |
184 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'EXC') |
185 | 162c1c1f | Guido Trotter | |
186 | a95fd5d7 | Guido Trotter | def testNoNonBlocking(self): |
187 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.acquire, blocking=0) |
188 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.delete, blocking=0) |
189 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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190 | a95fd5d7 | Guido Trotter | self.sl.delete(blocking=0) # Fine, because the lock is already acquired |
191 | a95fd5d7 | Guido Trotter | |
192 | a95fd5d7 | Guido Trotter | def testDelete(self): |
193 | a95fd5d7 | Guido Trotter | self.sl.delete()
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194 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
195 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
196 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
197 | a95fd5d7 | Guido Trotter | |
198 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
199 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
200 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
201 | 84152b96 | Guido Trotter | |
202 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
203 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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204 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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205 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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206 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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207 | a95fd5d7 | Guido Trotter | Thread(target=self._doItExclusive).start()
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208 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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209 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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210 | a95fd5d7 | Guido Trotter | self.sl.delete()
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211 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
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212 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
213 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
214 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
215 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
216 | a95fd5d7 | Guido Trotter | |
217 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
218 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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219 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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220 | a95fd5d7 | Guido Trotter | Thread(target=self._doItExclusive).start()
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221 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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222 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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223 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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224 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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225 | a95fd5d7 | Guido Trotter | self.sl.delete()
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226 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
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227 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
228 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
229 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
230 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
231 | a95fd5d7 | Guido Trotter | |
232 | 162c1c1f | Guido Trotter | |
233 | aaae9bc0 | Guido Trotter | class TestLockSet(unittest.TestCase): |
234 | aaae9bc0 | Guido Trotter | """LockSet tests"""
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235 | aaae9bc0 | Guido Trotter | |
236 | aaae9bc0 | Guido Trotter | def setUp(self): |
237 | aaae9bc0 | Guido Trotter | self.resources = ['one', 'two', 'three'] |
238 | cdb08f44 | Michael Hanselmann | self.ls = locking.LockSet(members=self.resources) |
239 | aaae9bc0 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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240 | aaae9bc0 | Guido Trotter | self.done = Queue.Queue(0) |
241 | aaae9bc0 | Guido Trotter | |
242 | aaae9bc0 | Guido Trotter | def testResources(self): |
243 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
244 | aaae9bc0 | Guido Trotter | newls = locking.LockSet() |
245 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
246 | aaae9bc0 | Guido Trotter | |
247 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
248 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
249 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
250 | aaae9bc0 | Guido Trotter | self.ls.release()
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251 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
252 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
253 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
254 | aaae9bc0 | Guido Trotter | self.ls.release()
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255 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
256 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
257 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
258 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
259 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
260 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
261 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
262 | aaae9bc0 | Guido Trotter | self.ls.release()
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263 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
264 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
265 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
266 | aaae9bc0 | Guido Trotter | self.ls.release()
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267 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
268 | aaae9bc0 | Guido Trotter | |
269 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
270 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
271 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
272 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
273 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
274 | aaae9bc0 | Guido Trotter | self.ls.release()
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275 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
276 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
277 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
278 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
279 | aaae9bc0 | Guido Trotter | |
280 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
281 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
282 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
283 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
284 | aaae9bc0 | Guido Trotter | |
285 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
286 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
287 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
288 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
289 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
290 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
291 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
292 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
293 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
294 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
295 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
296 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
297 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
298 | aaae9bc0 | Guido Trotter | self.ls.add('eight', acquired=1, shared=1) |
299 | aaae9bc0 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
300 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven', 'eight'])) |
301 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
302 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
303 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['eight'])) |
304 | aaae9bc0 | Guido Trotter | self.ls.release()
|
305 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
306 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
307 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
308 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
309 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
310 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
311 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
312 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
313 | aaae9bc0 | Guido Trotter | |
314 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
315 | aaae9bc0 | Guido Trotter | self.assertRaises(NotImplementedError, self.ls.remove, 'one', blocking=0) |
316 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
317 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('one', blocking=0), ['one']) |
318 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
319 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three'], blocking=0), |
320 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
321 | aaae9bc0 | Guido Trotter | |
322 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
323 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
324 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
325 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
326 | aaae9bc0 | Guido Trotter | |
327 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
328 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
329 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
330 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
331 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
332 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
333 | aaae9bc0 | Guido Trotter | |
334 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
335 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
336 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
337 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
338 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
339 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
340 | 3b7ed473 | Guido Trotter | self.ls.release()
|
341 | 3b7ed473 | Guido Trotter | # share the set-lock
|
342 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
343 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
344 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
345 | 3b7ed473 | Guido Trotter | self.ls.release()
|
346 | 3b7ed473 | Guido Trotter | |
347 | aaae9bc0 | Guido Trotter | def _doLockSet(self, set, shared): |
348 | aaae9bc0 | Guido Trotter | try:
|
349 | aaae9bc0 | Guido Trotter | self.ls.acquire(set, shared=shared) |
350 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
351 | aaae9bc0 | Guido Trotter | self.ls.release()
|
352 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
353 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
354 | aaae9bc0 | Guido Trotter | |
355 | 3b7ed473 | Guido Trotter | def _doAddSet(self, set): |
356 | 3b7ed473 | Guido Trotter | try:
|
357 | 3b7ed473 | Guido Trotter | self.ls.add(set, acquired=1) |
358 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
359 | 3b7ed473 | Guido Trotter | self.ls.release()
|
360 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
361 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
362 | 3b7ed473 | Guido Trotter | |
363 | aaae9bc0 | Guido Trotter | def _doRemoveSet(self, set): |
364 | aaae9bc0 | Guido Trotter | self.done.put(self.ls.remove(set)) |
365 | aaae9bc0 | Guido Trotter | |
366 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
367 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
368 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
369 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
370 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)).start() |
371 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
372 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 1)).start() |
373 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
374 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
375 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 0)).start() |
376 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
377 | aaae9bc0 | Guido Trotter | self.ls.release()
|
378 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
379 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
380 | aaae9bc0 | Guido Trotter | |
381 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
382 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
383 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 1)).start() |
384 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
385 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 0)).start() |
386 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
387 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
388 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
389 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('one', 0)).start() |
390 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('one', 1)).start() |
391 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 0)).start() |
392 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 1)).start() |
393 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
394 | aaae9bc0 | Guido Trotter | self.ls.release()
|
395 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
396 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
397 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
398 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
399 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
400 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
401 | aaae9bc0 | Guido Trotter | |
402 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
403 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
404 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
405 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'four'], 0)).start() |
406 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'four'], 1)).start() |
407 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
408 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
409 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
410 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
411 | aaae9bc0 | Guido Trotter | self.ls.release()
|
412 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
413 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
414 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
415 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
416 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
417 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['three', 'six'], 1)).start() |
418 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['three', 'six'], 0)).start() |
419 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['four', 'six'], 1)).start() |
420 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['four', 'six'], 0)).start() |
421 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
422 | aaae9bc0 | Guido Trotter | self.ls.release()
|
423 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
424 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
425 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
426 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
427 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
428 | aaae9bc0 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['four', 'six'], )).start() |
429 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
430 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
431 | 3f404fc5 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['six']) |
432 | aaae9bc0 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['two'])).start() |
433 | 3f404fc5 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['two']) |
434 | aaae9bc0 | Guido Trotter | self.ls.release()
|
435 | aaae9bc0 | Guido Trotter | |
436 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
437 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
438 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
439 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
440 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
441 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
442 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
443 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'three'], 1)).start() |
444 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
445 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
446 | 3b7ed473 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
447 | 3b7ed473 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['two'], )).start() |
448 | 3b7ed473 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
449 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
450 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
451 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
452 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
453 | 3b7ed473 | Guido Trotter | self.ls.release()
|
454 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['two']) |
455 | 3b7ed473 | Guido Trotter | |
456 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
457 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
458 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
459 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
460 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
461 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 0)).start() |
462 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['three'], 0)).start() |
463 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['two'], 1)).start() |
464 | 3b7ed473 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
465 | b5c0e9d9 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
466 | 3b7ed473 | Guido Trotter | self.ls.release()
|
467 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
468 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
469 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
470 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
471 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
472 | 3b7ed473 | Guido Trotter | |
473 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
474 | b2dabfd6 | Guido Trotter | # get the set-lock
|
475 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
476 | b2dabfd6 | Guido Trotter | # now empty it...
|
477 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
478 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
479 | b2dabfd6 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
480 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
481 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 0)).start() |
482 | b2dabfd6 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
483 | b2dabfd6 | Guido Trotter | self.ls.release()
|
484 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
485 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
486 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
487 | b2dabfd6 | Guido Trotter | # empty it again...
|
488 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
489 | b2dabfd6 | Guido Trotter | # now share it...
|
490 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
491 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
492 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
493 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
494 | b2dabfd6 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
495 | b2dabfd6 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
496 | b2dabfd6 | Guido Trotter | self.ls.release()
|
497 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
498 | b2dabfd6 | Guido Trotter | |
499 | aaae9bc0 | Guido Trotter | |
500 | 7ee7c0c7 | Guido Trotter | class TestGanetiLockManager(unittest.TestCase): |
501 | 7ee7c0c7 | Guido Trotter | |
502 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
503 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
504 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
505 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes, |
506 | 7ee7c0c7 | Guido Trotter | instances=self.instances)
|
507 | 7ee7c0c7 | Guido Trotter | self.done = Queue.Queue(0) |
508 | 7ee7c0c7 | Guido Trotter | |
509 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
510 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
511 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
512 | 7ee7c0c7 | Guido Trotter | |
513 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
514 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
515 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
516 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
517 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
518 | 7ee7c0c7 | Guido Trotter | |
519 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
520 | 7ee7c0c7 | Guido Trotter | # We are not passing test=True, so instantiating a new one should fail
|
521 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager) |
522 | 7ee7c0c7 | Guido Trotter | |
523 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
524 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
525 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
526 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
527 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
528 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CONFIG), set(['config'])) |
529 | 7ee7c0c7 | Guido Trotter | |
530 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
531 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
532 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager()
|
533 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
534 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
535 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
536 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CONFIG), set(['config'])) |
537 | 7ee7c0c7 | Guido Trotter | |
538 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
539 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes) |
540 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
541 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
542 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
543 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CONFIG), set(['config'])) |
544 | 7ee7c0c7 | Guido Trotter | |
545 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
546 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(instances=self.instances) |
547 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
548 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
549 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
550 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
551 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CONFIG), set(['config'])) |
552 | 7ee7c0c7 | Guido Trotter | |
553 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
554 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
555 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
556 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
557 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
558 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
559 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
560 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
561 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CONFIG, ['config']) |
562 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE, ['i2']) |
563 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
564 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
565 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
566 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CONFIG)
|
567 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
568 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
569 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
570 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
571 | 7ee7c0c7 | Guido Trotter | |
572 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
573 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
574 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
575 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
576 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
577 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
578 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
579 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
580 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
581 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
582 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
583 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
584 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
585 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
586 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
587 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
588 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
589 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
590 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CONFIG, ['config']) |
591 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
592 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
593 | 7ee7c0c7 | Guido Trotter | |
594 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
595 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
596 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
597 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
598 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
599 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
600 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
601 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CONFIG, ['config']) |
602 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
603 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CONFIG, ['config'])
|
604 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
605 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
606 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
607 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
608 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
609 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
610 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CONFIG, ['config'])
|
611 | 7ee7c0c7 | Guido Trotter | |
612 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
613 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
614 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
615 | 7ee7c0c7 | Guido Trotter | try:
|
616 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
617 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
618 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
619 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
620 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
621 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
622 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
623 | 7ee7c0c7 | Guido Trotter | |
624 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
625 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
626 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i1', 1)).start() |
627 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
628 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
629 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
630 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CONFIG, ['config']) |
631 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i1', 1)).start() |
632 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
633 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i3', 1)).start() |
634 | 7ee7c0c7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
635 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CONFIG)
|
636 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
637 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
638 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
639 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i2', 1)).start() |
640 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
641 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i2', 0)).start() |
642 | 7ee7c0c7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
643 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
644 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
645 | 7ee7c0c7 | Guido Trotter | |
646 | 7ee7c0c7 | Guido Trotter | |
647 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
648 | 162c1c1f | Guido Trotter | unittest.main() |
649 | 162c1c1f | Guido Trotter | #suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
|
650 | 162c1c1f | Guido Trotter | #unittest.TextTestRunner(verbosity=2).run(suite) |