root / test / ganeti.locking_unittest.py @ 3fc175f0
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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 | 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 | 42a999d1 | Guido Trotter | |
40 | 162c1c1f | Guido Trotter | class TestSharedLock(unittest.TestCase): |
41 | d6646186 | Guido Trotter | """SharedLock tests"""
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42 | 162c1c1f | Guido Trotter | |
43 | 162c1c1f | Guido Trotter | def setUp(self): |
44 | 162c1c1f | Guido Trotter | self.sl = locking.SharedLock()
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45 | 162c1c1f | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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46 | 162c1c1f | Guido Trotter | self.done = Queue.Queue(0) |
47 | 162c1c1f | Guido Trotter | |
48 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
49 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
50 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
51 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
52 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
53 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
54 | 162c1c1f | Guido Trotter | self.sl.release()
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55 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
56 | 162c1c1f | Guido Trotter | self.sl.acquire()
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57 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
58 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=1)) |
59 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
60 | 162c1c1f | Guido Trotter | self.sl.release()
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61 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
62 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
63 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
64 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
65 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
66 | 162c1c1f | Guido Trotter | self.sl.release()
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67 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
68 | 162c1c1f | Guido Trotter | |
69 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
70 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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71 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
72 | 162c1c1f | Guido Trotter | self.sl.release()
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73 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
74 | 162c1c1f | Guido Trotter | self.sl.release()
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75 | 162c1c1f | Guido Trotter | |
76 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
77 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
78 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
79 | 162c1c1f | Guido Trotter | |
80 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
81 | 162c1c1f | Guido Trotter | self.sl.acquire()
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82 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
83 | 162c1c1f | Guido Trotter | |
84 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
85 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
86 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
87 | 162c1c1f | Guido Trotter | |
88 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
89 | 162c1c1f | Guido Trotter | self.sl.acquire()
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90 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
91 | 162c1c1f | Guido Trotter | |
92 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
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93 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
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94 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
95 | a95fd5d7 | Guido Trotter | try:
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96 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
97 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
98 | a95fd5d7 | Guido Trotter | self.sl.release()
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99 | a95fd5d7 | Guido Trotter | except errors.LockError:
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100 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
101 | 162c1c1f | Guido Trotter | |
102 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
103 | a95fd5d7 | Guido Trotter | try:
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104 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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105 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
106 | a95fd5d7 | Guido Trotter | self.sl.release()
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107 | a95fd5d7 | Guido Trotter | except errors.LockError:
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108 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
109 | a95fd5d7 | Guido Trotter | |
110 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
111 | a95fd5d7 | Guido Trotter | try:
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112 | 4354ab03 | Guido Trotter | self.sl.delete()
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113 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
114 | a95fd5d7 | Guido Trotter | except errors.LockError:
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115 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
116 | 162c1c1f | Guido Trotter | |
117 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
118 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
119 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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120 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
121 | 162c1c1f | Guido Trotter | self.sl.release()
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122 | 162c1c1f | Guido Trotter | |
123 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
124 | 162c1c1f | Guido Trotter | self.sl.acquire()
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125 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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126 | 162c1c1f | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
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127 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
128 | 162c1c1f | Guido Trotter | self.sl.release()
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129 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
130 | 162c1c1f | Guido Trotter | |
131 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
132 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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133 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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134 | a95fd5d7 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
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135 | a95fd5d7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
136 | a95fd5d7 | Guido Trotter | self.sl.release()
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137 | a95fd5d7 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
138 | a95fd5d7 | Guido Trotter | |
139 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
140 | 162c1c1f | Guido Trotter | self.sl.acquire()
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141 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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142 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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143 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
144 | 162c1c1f | Guido Trotter | self.sl.release()
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145 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
146 | 162c1c1f | Guido Trotter | |
147 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
148 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
149 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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150 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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151 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
152 | 162c1c1f | Guido Trotter | self.sl.release()
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153 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
154 | 162c1c1f | Guido Trotter | |
155 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
156 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
157 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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158 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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159 | a95fd5d7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
160 | a95fd5d7 | Guido Trotter | self.sl.release()
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161 | a95fd5d7 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
162 | a95fd5d7 | Guido Trotter | |
163 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
164 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
165 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
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166 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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167 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
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168 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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169 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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170 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
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171 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
172 | 162c1c1f | Guido Trotter | self.sl.release()
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173 | 162c1c1f | Guido Trotter | # The exclusive passed before
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174 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'EXC') |
175 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'SHR') |
176 | 162c1c1f | Guido Trotter | |
177 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
178 | 162c1c1f | Guido Trotter | self.sl.acquire()
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179 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
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180 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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181 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
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182 | 162c1c1f | Guido Trotter | time.sleep(0.05)
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183 | 162c1c1f | Guido Trotter | Thread(target=self._doItExclusive).start()
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184 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
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185 | 162c1c1f | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
186 | 162c1c1f | Guido Trotter | self.sl.release()
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187 | 162c1c1f | Guido Trotter | # The sharer passed before
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188 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'SHR') |
189 | 162c1c1f | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'EXC') |
190 | 162c1c1f | Guido Trotter | |
191 | a95fd5d7 | Guido Trotter | def testNoNonBlocking(self): |
192 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.acquire, blocking=0) |
193 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.delete, blocking=0) |
194 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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195 | a95fd5d7 | Guido Trotter | self.sl.delete(blocking=0) # Fine, because the lock is already acquired |
196 | a95fd5d7 | Guido Trotter | |
197 | a95fd5d7 | Guido Trotter | def testDelete(self): |
198 | a95fd5d7 | Guido Trotter | self.sl.delete()
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199 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
200 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
201 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
202 | a95fd5d7 | Guido Trotter | |
203 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
204 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
205 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
206 | 84152b96 | Guido Trotter | |
207 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
208 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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209 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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210 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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211 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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212 | a95fd5d7 | Guido Trotter | Thread(target=self._doItExclusive).start()
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213 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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214 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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215 | a95fd5d7 | Guido Trotter | self.sl.delete()
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216 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
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217 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
218 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
219 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
220 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
221 | a95fd5d7 | Guido Trotter | |
222 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
223 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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224 | a95fd5d7 | Guido Trotter | Thread(target=self._doItDelete).start()
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225 | a95fd5d7 | Guido Trotter | Thread(target=self._doItExclusive).start()
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226 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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227 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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228 | a95fd5d7 | Guido Trotter | Thread(target=self._doItSharer).start()
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229 | a95fd5d7 | Guido Trotter | time.sleep(0.05)
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230 | a95fd5d7 | Guido Trotter | self.sl.delete()
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231 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
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232 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
233 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
234 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
235 | a95fd5d7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
236 | a95fd5d7 | Guido Trotter | |
237 | 162c1c1f | Guido Trotter | |
238 | 42a999d1 | Guido Trotter | class TestSSynchronizedDecorator(unittest.TestCase): |
239 | 42a999d1 | Guido Trotter | """Shared Lock Synchronized decorator test"""
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240 | 42a999d1 | Guido Trotter | |
241 | 42a999d1 | Guido Trotter | def setUp(self): |
242 | 42a999d1 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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243 | 42a999d1 | Guido Trotter | self.done = Queue.Queue(0) |
244 | 42a999d1 | Guido Trotter | |
245 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock)
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246 | 42a999d1 | Guido Trotter | def _doItExclusive(self): |
247 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned())
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248 | 42a999d1 | Guido Trotter | self.done.put('EXC') |
249 | 42a999d1 | Guido Trotter | |
250 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock, shared=1) |
251 | 42a999d1 | Guido Trotter | def _doItSharer(self): |
252 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned(shared=1)) |
253 | 42a999d1 | Guido Trotter | self.done.put('SHR') |
254 | 42a999d1 | Guido Trotter | |
255 | 42a999d1 | Guido Trotter | def testDecoratedFunctions(self): |
256 | 42a999d1 | Guido Trotter | self._doItExclusive()
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257 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
258 | 42a999d1 | Guido Trotter | self._doItSharer()
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259 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
260 | 42a999d1 | Guido Trotter | |
261 | 42a999d1 | Guido Trotter | def testSharersCanCoexist(self): |
262 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
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263 | 42a999d1 | Guido Trotter | Thread(target=self._doItSharer).start()
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264 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
265 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
266 | 42a999d1 | Guido Trotter | |
267 | 42a999d1 | Guido Trotter | def testExclusiveBlocksExclusive(self): |
268 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
269 | 42a999d1 | Guido Trotter | Thread(target=self._doItExclusive).start()
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270 | 42a999d1 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
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271 | 42a999d1 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
272 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
273 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
274 | 42a999d1 | Guido Trotter | |
275 | 42a999d1 | Guido Trotter | def testExclusiveBlocksSharer(self): |
276 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
277 | 42a999d1 | Guido Trotter | Thread(target=self._doItSharer).start()
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278 | 42a999d1 | Guido Trotter | time.sleep(0.05)
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279 | 42a999d1 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
280 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
281 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
282 | 42a999d1 | Guido Trotter | |
283 | 42a999d1 | Guido Trotter | def testSharerBlocksExclusive(self): |
284 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
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285 | 42a999d1 | Guido Trotter | Thread(target=self._doItExclusive).start()
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286 | 42a999d1 | Guido Trotter | time.sleep(0.05)
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287 | 42a999d1 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
288 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
289 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
290 | 42a999d1 | Guido Trotter | |
291 | 42a999d1 | Guido Trotter | |
292 | aaae9bc0 | Guido Trotter | class TestLockSet(unittest.TestCase): |
293 | aaae9bc0 | Guido Trotter | """LockSet tests"""
|
294 | aaae9bc0 | Guido Trotter | |
295 | aaae9bc0 | Guido Trotter | def setUp(self): |
296 | aaae9bc0 | Guido Trotter | self.resources = ['one', 'two', 'three'] |
297 | cdb08f44 | Michael Hanselmann | self.ls = locking.LockSet(members=self.resources) |
298 | aaae9bc0 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
|
299 | aaae9bc0 | Guido Trotter | self.done = Queue.Queue(0) |
300 | aaae9bc0 | Guido Trotter | |
301 | aaae9bc0 | Guido Trotter | def testResources(self): |
302 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
303 | aaae9bc0 | Guido Trotter | newls = locking.LockSet() |
304 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
305 | aaae9bc0 | Guido Trotter | |
306 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
307 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
308 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
309 | aaae9bc0 | Guido Trotter | self.ls.release()
|
310 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
311 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
312 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
313 | aaae9bc0 | Guido Trotter | self.ls.release()
|
314 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
315 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
316 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
317 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
318 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
319 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
320 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
321 | aaae9bc0 | Guido Trotter | self.ls.release()
|
322 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
323 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
324 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
325 | aaae9bc0 | Guido Trotter | self.ls.release()
|
326 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
327 | aaae9bc0 | Guido Trotter | |
328 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
329 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
330 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
331 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
332 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
333 | aaae9bc0 | Guido Trotter | self.ls.release()
|
334 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
335 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
336 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
337 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
338 | aaae9bc0 | Guido Trotter | |
339 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
340 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
341 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
342 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
343 | aaae9bc0 | Guido Trotter | |
344 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
345 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
346 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
347 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
348 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
349 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
350 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
351 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
352 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
353 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
354 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
355 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
356 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
357 | aaae9bc0 | Guido Trotter | self.ls.add('eight', acquired=1, shared=1) |
358 | aaae9bc0 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
359 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven', 'eight'])) |
360 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
361 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
362 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['eight'])) |
363 | aaae9bc0 | Guido Trotter | self.ls.release()
|
364 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
365 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
366 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
367 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
368 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
369 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
370 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
371 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
372 | aaae9bc0 | Guido Trotter | |
373 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
374 | aaae9bc0 | Guido Trotter | self.assertRaises(NotImplementedError, self.ls.remove, 'one', blocking=0) |
375 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
376 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('one', blocking=0), ['one']) |
377 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
378 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three'], blocking=0), |
379 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
380 | aaae9bc0 | Guido Trotter | |
381 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
382 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
383 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
384 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
385 | aaae9bc0 | Guido Trotter | |
386 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
387 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
388 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
389 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
390 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
391 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
392 | aaae9bc0 | Guido Trotter | |
393 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
394 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
395 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
396 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
397 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
398 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
399 | 3b7ed473 | Guido Trotter | self.ls.release()
|
400 | 3b7ed473 | Guido Trotter | # share the set-lock
|
401 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
402 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
403 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
404 | 3b7ed473 | Guido Trotter | self.ls.release()
|
405 | 3b7ed473 | Guido Trotter | |
406 | d4f6a91c | Guido Trotter | def testAcquireWithRepetitions(self): |
407 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
408 | d4f6a91c | Guido Trotter | set(['two', 'two', 'three'])) |
409 | d4f6a91c | Guido Trotter | self.ls.release(['two', 'two']) |
410 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['three'])) |
411 | d4f6a91c | Guido Trotter | |
412 | 2e1d6d96 | Guido Trotter | def testEmptyAcquire(self): |
413 | 2e1d6d96 | Guido Trotter | # Acquire an empty list of locks...
|
414 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([]), set()) |
415 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
416 | 2e1d6d96 | Guido Trotter | # New locks can still be addded
|
417 | 2e1d6d96 | Guido Trotter | self.assert_(self.ls.add('six')) |
418 | 2e1d6d96 | Guido Trotter | # "re-acquiring" is not an issue, since we had really acquired nothing
|
419 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([], shared=1), set()) |
420 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
421 | 2e1d6d96 | Guido Trotter | # We haven't really acquired anything, so we cannot release
|
422 | 2e1d6d96 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
423 | 2e1d6d96 | Guido Trotter | |
424 | aaae9bc0 | Guido Trotter | def _doLockSet(self, set, shared): |
425 | aaae9bc0 | Guido Trotter | try:
|
426 | aaae9bc0 | Guido Trotter | self.ls.acquire(set, shared=shared) |
427 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
428 | aaae9bc0 | Guido Trotter | self.ls.release()
|
429 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
430 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
431 | aaae9bc0 | Guido Trotter | |
432 | 3b7ed473 | Guido Trotter | def _doAddSet(self, set): |
433 | 3b7ed473 | Guido Trotter | try:
|
434 | 3b7ed473 | Guido Trotter | self.ls.add(set, acquired=1) |
435 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
436 | 3b7ed473 | Guido Trotter | self.ls.release()
|
437 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
438 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
439 | 3b7ed473 | Guido Trotter | |
440 | aaae9bc0 | Guido Trotter | def _doRemoveSet(self, set): |
441 | aaae9bc0 | Guido Trotter | self.done.put(self.ls.remove(set)) |
442 | aaae9bc0 | Guido Trotter | |
443 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
444 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
445 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
446 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
447 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)).start() |
448 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
449 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 1)).start() |
450 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
451 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
452 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 0)).start() |
453 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
454 | aaae9bc0 | Guido Trotter | self.ls.release()
|
455 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
456 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
457 | aaae9bc0 | Guido Trotter | |
458 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
459 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
460 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 1)).start() |
461 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
462 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('three', 0)).start() |
463 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
464 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
465 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
466 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('one', 0)).start() |
467 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=('one', 1)).start() |
468 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 0)).start() |
469 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['two', 'three'], 1)).start() |
470 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
471 | aaae9bc0 | Guido Trotter | self.ls.release()
|
472 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
473 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
474 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
475 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
476 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
477 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
478 | aaae9bc0 | Guido Trotter | |
479 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
480 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
481 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
482 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'four'], 0)).start() |
483 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'four'], 1)).start() |
484 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 0)).start() |
485 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'two'], 1)).start() |
486 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
487 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
488 | aaae9bc0 | Guido Trotter | self.ls.release()
|
489 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
490 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
491 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
492 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'ERR') |
493 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
494 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['three', 'six'], 1)).start() |
495 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['three', 'six'], 0)).start() |
496 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['four', 'six'], 1)).start() |
497 | aaae9bc0 | Guido Trotter | Thread(target=self._doLockSet, args=(['four', 'six'], 0)).start() |
498 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
499 | aaae9bc0 | Guido Trotter | self.ls.release()
|
500 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
501 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
502 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
503 | aaae9bc0 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
504 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
505 | aaae9bc0 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['four', 'six'], )).start() |
506 | aaae9bc0 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
507 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
508 | 3f404fc5 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['six']) |
509 | aaae9bc0 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['two'])).start() |
510 | 3f404fc5 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['two']) |
511 | aaae9bc0 | Guido Trotter | self.ls.release()
|
512 | aaae9bc0 | Guido Trotter | |
513 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
514 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
515 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
516 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
517 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
518 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
519 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
520 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['one', 'three'], 1)).start() |
521 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
522 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
523 | 3b7ed473 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
524 | 3b7ed473 | Guido Trotter | Thread(target=self._doRemoveSet, args=(['two'], )).start() |
525 | 3b7ed473 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
526 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
527 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
528 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
529 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
530 | 3b7ed473 | Guido Trotter | self.ls.release()
|
531 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), ['two']) |
532 | 3b7ed473 | Guido Trotter | |
533 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
534 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
535 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
536 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
537 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
538 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 0)).start() |
539 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['three'], 0)).start() |
540 | 3b7ed473 | Guido Trotter | Thread(target=self._doLockSet, args=(['two'], 1)).start() |
541 | 3b7ed473 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
542 | b5c0e9d9 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
543 | 3b7ed473 | Guido Trotter | self.ls.release()
|
544 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
545 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
546 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
547 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
548 | 3b7ed473 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
549 | 3b7ed473 | Guido Trotter | |
550 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
551 | b2dabfd6 | Guido Trotter | # get the set-lock
|
552 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
553 | b2dabfd6 | Guido Trotter | # now empty it...
|
554 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
555 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
556 | b2dabfd6 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
557 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
558 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 0)).start() |
559 | b2dabfd6 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
560 | b2dabfd6 | Guido Trotter | self.ls.release()
|
561 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
562 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
563 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
564 | b2dabfd6 | Guido Trotter | # empty it again...
|
565 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
566 | b2dabfd6 | Guido Trotter | # now share it...
|
567 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
568 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
569 | b2dabfd6 | Guido Trotter | Thread(target=self._doLockSet, args=(None, 1)).start() |
570 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
571 | b2dabfd6 | Guido Trotter | Thread(target=self._doAddSet, args=(['nine'])).start() |
572 | b2dabfd6 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
573 | b2dabfd6 | Guido Trotter | self.ls.release()
|
574 | b2dabfd6 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
575 | b2dabfd6 | Guido Trotter | |
576 | aaae9bc0 | Guido Trotter | |
577 | 7ee7c0c7 | Guido Trotter | class TestGanetiLockManager(unittest.TestCase): |
578 | 7ee7c0c7 | Guido Trotter | |
579 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
580 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
581 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
582 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes, |
583 | 7ee7c0c7 | Guido Trotter | instances=self.instances)
|
584 | 7ee7c0c7 | Guido Trotter | self.done = Queue.Queue(0) |
585 | 7ee7c0c7 | Guido Trotter | |
586 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
587 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
588 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
589 | 7ee7c0c7 | Guido Trotter | |
590 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
591 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
592 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
593 | b10b9d74 | Guido Trotter | # This relationship is also used in the Processor to recursively acquire
|
594 | b10b9d74 | Guido Trotter | # the right locks. Again, please don't break it.
|
595 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
596 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
597 | 7ee7c0c7 | Guido Trotter | |
598 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
599 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager) |
600 | 7ee7c0c7 | Guido Trotter | |
601 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
602 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
603 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
604 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
605 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
606 | 7ee7c0c7 | Guido Trotter | |
607 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
608 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
609 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager()
|
610 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
611 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
612 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
613 | 7ee7c0c7 | Guido Trotter | |
614 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
615 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes) |
616 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
617 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
618 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
619 | 7ee7c0c7 | Guido Trotter | |
620 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
621 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(instances=self.instances) |
622 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
623 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
624 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
625 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
626 | 7ee7c0c7 | Guido Trotter | |
627 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
628 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
629 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
630 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
631 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
632 | 04e1bfaf | Guido Trotter | self.GL.release(locking.LEVEL_NODE, ['n2']) |
633 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
634 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
635 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
636 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
637 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
638 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
639 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
640 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
641 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
642 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
643 | 7ee7c0c7 | Guido Trotter | |
644 | 90c942d1 | Guido Trotter | def testAcquireWholeSets(self): |
645 | 90c942d1 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
646 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
647 | 90c942d1 | Guido Trotter | set(self.instances)) |
648 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
649 | 90c942d1 | Guido Trotter | set(self.instances)) |
650 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
651 | 90c942d1 | Guido Trotter | set(self.nodes)) |
652 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
653 | 90c942d1 | Guido Trotter | set(self.nodes)) |
654 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
655 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
656 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
657 | d4f6a91c | Guido Trotter | |
658 | d4f6a91c | Guido Trotter | def testAcquireWholeAndPartial(self): |
659 | d4f6a91c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
660 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
661 | d4f6a91c | Guido Trotter | set(self.instances)) |
662 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
663 | d4f6a91c | Guido Trotter | set(self.instances)) |
664 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
665 | d4f6a91c | Guido Trotter | set(['n2'])) |
666 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
667 | d4f6a91c | Guido Trotter | set(['n2'])) |
668 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
669 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
670 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
671 | 90c942d1 | Guido Trotter | |
672 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
673 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
674 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
675 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
676 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
677 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
678 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
679 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
680 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
681 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
682 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
683 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
684 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
685 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
686 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
687 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
688 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
689 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
690 | 7ee7c0c7 | Guido Trotter | |
691 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
692 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
693 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
694 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
695 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
696 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
697 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
698 | 7ee7c0c7 | Guido Trotter | |
699 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
700 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
701 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
702 | 7ee7c0c7 | Guido Trotter | try:
|
703 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
704 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
705 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
706 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
707 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
708 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
709 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
710 | 7ee7c0c7 | Guido Trotter | |
711 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
712 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
713 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i1', 1)).start() |
714 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
715 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
716 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i1', 1)).start() |
717 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
718 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i3', 1)).start() |
719 | 7ee7c0c7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
720 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
721 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
722 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
723 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i2', 1)).start() |
724 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
725 | 7ee7c0c7 | Guido Trotter | Thread(target=self._doLock, args=(locking.LEVEL_INSTANCE, 'i2', 0)).start() |
726 | 7ee7c0c7 | Guido Trotter | self.assertRaises(Queue.Empty, self.done.get, True, 0.2) |
727 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
728 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
729 | 7ee7c0c7 | Guido Trotter | |
730 | 7ee7c0c7 | Guido Trotter | |
731 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
732 | 162c1c1f | Guido Trotter | unittest.main() |
733 | 162c1c1f | Guido Trotter | #suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
|
734 | 162c1c1f | Guido Trotter | #unittest.TextTestRunner(verbosity=2).run(suite) |