root / test / ganeti.locking_unittest.py @ e6416152
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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 | 4607c978 | Iustin Pop | #: List for looping tests
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40 | 4607c978 | Iustin Pop | ITERATIONS = range(8) |
41 | 4607c978 | Iustin Pop | |
42 | 4607c978 | Iustin Pop | def _Repeat(fn): |
43 | 4607c978 | Iustin Pop | """Decorator for executing a function many times"""
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44 | 4607c978 | Iustin Pop | def wrapper(*args, **kwargs): |
45 | 4607c978 | Iustin Pop | for i in ITERATIONS: |
46 | 4607c978 | Iustin Pop | fn(*args, **kwargs) |
47 | 4607c978 | Iustin Pop | return wrapper
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48 | 4607c978 | Iustin Pop | |
49 | 4607c978 | Iustin Pop | class _ThreadedTestCase(unittest.TestCase): |
50 | 4607c978 | Iustin Pop | """Test class that supports adding/waiting on threads"""
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51 | 4607c978 | Iustin Pop | def setUp(self): |
52 | 4607c978 | Iustin Pop | unittest.TestCase.setUp(self)
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53 | 4607c978 | Iustin Pop | self.threads = []
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54 | 4607c978 | Iustin Pop | |
55 | 4607c978 | Iustin Pop | def _addThread(self, *args, **kwargs): |
56 | 4607c978 | Iustin Pop | """Create and remember a new thread"""
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57 | 4607c978 | Iustin Pop | t = Thread(*args, **kwargs) |
58 | 4607c978 | Iustin Pop | self.threads.append(t)
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59 | 4607c978 | Iustin Pop | t.start() |
60 | 4607c978 | Iustin Pop | return t
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61 | 4607c978 | Iustin Pop | |
62 | 4607c978 | Iustin Pop | def _waitThreads(self): |
63 | 4607c978 | Iustin Pop | """Wait for all our threads to finish"""
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64 | 4607c978 | Iustin Pop | for t in self.threads: |
65 | 4607c978 | Iustin Pop | t.join(60)
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66 | 4607c978 | Iustin Pop | self.failIf(t.isAlive())
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67 | 4607c978 | Iustin Pop | self.threads = []
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68 | 42a999d1 | Guido Trotter | |
69 | 4607c978 | Iustin Pop | |
70 | 4607c978 | Iustin Pop | class TestSharedLock(_ThreadedTestCase): |
71 | d6646186 | Guido Trotter | """SharedLock tests"""
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72 | 162c1c1f | Guido Trotter | |
73 | 162c1c1f | Guido Trotter | def setUp(self): |
74 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
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75 | 162c1c1f | Guido Trotter | self.sl = locking.SharedLock()
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76 | 162c1c1f | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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77 | 162c1c1f | Guido Trotter | self.done = Queue.Queue(0) |
78 | 162c1c1f | Guido Trotter | |
79 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
80 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
81 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
82 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
83 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
84 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
85 | 162c1c1f | Guido Trotter | self.sl.release()
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86 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
87 | 162c1c1f | Guido Trotter | self.sl.acquire()
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88 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
89 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=1)) |
90 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
91 | 162c1c1f | Guido Trotter | self.sl.release()
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92 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
93 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
94 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
95 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
96 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
97 | 162c1c1f | Guido Trotter | self.sl.release()
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98 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
99 | 162c1c1f | Guido Trotter | |
100 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
101 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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102 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
103 | 162c1c1f | Guido Trotter | self.sl.release()
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104 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
105 | 162c1c1f | Guido Trotter | self.sl.release()
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106 | 162c1c1f | Guido Trotter | |
107 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
108 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
109 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
110 | 162c1c1f | Guido Trotter | |
111 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
112 | 162c1c1f | Guido Trotter | self.sl.acquire()
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113 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
114 | 162c1c1f | Guido Trotter | |
115 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
116 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
117 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
118 | 162c1c1f | Guido Trotter | |
119 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
120 | 162c1c1f | Guido Trotter | self.sl.acquire()
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121 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
122 | 162c1c1f | Guido Trotter | |
123 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
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124 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
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125 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
126 | a95fd5d7 | Guido Trotter | try:
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127 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
128 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
129 | a95fd5d7 | Guido Trotter | self.sl.release()
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130 | a95fd5d7 | Guido Trotter | except errors.LockError:
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131 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
132 | 162c1c1f | Guido Trotter | |
133 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
134 | a95fd5d7 | Guido Trotter | try:
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135 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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136 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
137 | a95fd5d7 | Guido Trotter | self.sl.release()
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138 | a95fd5d7 | Guido Trotter | except errors.LockError:
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139 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
140 | a95fd5d7 | Guido Trotter | |
141 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
142 | a95fd5d7 | Guido Trotter | try:
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143 | 4354ab03 | Guido Trotter | self.sl.delete()
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144 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
145 | a95fd5d7 | Guido Trotter | except errors.LockError:
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146 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
147 | 162c1c1f | Guido Trotter | |
148 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
149 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
150 | 162c1c1f | Guido Trotter | Thread(target=self._doItSharer).start()
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151 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
152 | 162c1c1f | Guido Trotter | self.sl.release()
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153 | 162c1c1f | Guido Trotter | |
154 | 4607c978 | Iustin Pop | @_Repeat
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155 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
156 | 162c1c1f | Guido Trotter | self.sl.acquire()
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157 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
158 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
159 | 162c1c1f | Guido Trotter | self.sl.release()
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160 | 4607c978 | Iustin Pop | self._waitThreads()
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161 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
162 | 162c1c1f | Guido Trotter | |
163 | 4607c978 | Iustin Pop | @_Repeat
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164 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
165 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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166 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
167 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
168 | a95fd5d7 | Guido Trotter | self.sl.release()
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169 | 4607c978 | Iustin Pop | self._waitThreads()
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170 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
171 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
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172 | a95fd5d7 | Guido Trotter | |
173 | 4607c978 | Iustin Pop | @_Repeat
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174 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
175 | 162c1c1f | Guido Trotter | self.sl.acquire()
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176 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
177 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
178 | 162c1c1f | Guido Trotter | self.sl.release()
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179 | 4607c978 | Iustin Pop | self._waitThreads()
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180 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
181 | 162c1c1f | Guido Trotter | |
182 | 4607c978 | Iustin Pop | @_Repeat
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183 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
184 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
185 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
186 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
187 | 162c1c1f | Guido Trotter | self.sl.release()
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188 | 4607c978 | Iustin Pop | self._waitThreads()
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189 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
190 | 162c1c1f | Guido Trotter | |
191 | 4607c978 | Iustin Pop | @_Repeat
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192 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
193 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
194 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
195 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
196 | a95fd5d7 | Guido Trotter | self.sl.release()
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197 | 4607c978 | Iustin Pop | self._waitThreads()
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198 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
199 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
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200 | a95fd5d7 | Guido Trotter | |
201 | 4607c978 | Iustin Pop | @_Repeat
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202 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
203 | e6416152 | Iustin Pop | """SKIPPED testWaitingExclusiveBlockSharer"""
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204 | e6416152 | Iustin Pop | return
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205 | e6416152 | Iustin Pop | |
206 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
207 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
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208 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
209 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
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210 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
211 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
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212 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
213 | 162c1c1f | Guido Trotter | self.sl.release()
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214 | 4607c978 | Iustin Pop | self._waitThreads()
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215 | 162c1c1f | Guido Trotter | # The exclusive passed before
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216 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
217 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
218 | 162c1c1f | Guido Trotter | |
219 | 4607c978 | Iustin Pop | @_Repeat
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220 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
221 | 162c1c1f | Guido Trotter | self.sl.acquire()
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222 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
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223 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
224 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
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225 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
226 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
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227 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
228 | 162c1c1f | Guido Trotter | self.sl.release()
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229 | 4607c978 | Iustin Pop | self._waitThreads()
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230 | 162c1c1f | Guido Trotter | # The sharer passed before
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231 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'SHR') |
232 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'EXC') |
233 | 162c1c1f | Guido Trotter | |
234 | a95fd5d7 | Guido Trotter | def testNoNonBlocking(self): |
235 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.acquire, blocking=0) |
236 | a95fd5d7 | Guido Trotter | self.assertRaises(NotImplementedError, self.sl.delete, blocking=0) |
237 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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238 | a95fd5d7 | Guido Trotter | self.sl.delete(blocking=0) # Fine, because the lock is already acquired |
239 | a95fd5d7 | Guido Trotter | |
240 | a95fd5d7 | Guido Trotter | def testDelete(self): |
241 | a95fd5d7 | Guido Trotter | self.sl.delete()
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242 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
243 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
244 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
245 | a95fd5d7 | Guido Trotter | |
246 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
247 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
248 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
249 | 84152b96 | Guido Trotter | |
250 | 4607c978 | Iustin Pop | @_Repeat
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251 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
252 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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253 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
254 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
255 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
256 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
257 | a95fd5d7 | Guido Trotter | self.sl.delete()
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258 | 4607c978 | Iustin Pop | self._waitThreads()
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259 | 4607c978 | Iustin Pop | # The threads who were pending return ERR
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260 | 4607c978 | Iustin Pop | for _ in range(4): |
261 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
262 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
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263 | a95fd5d7 | Guido Trotter | |
264 | 4607c978 | Iustin Pop | @_Repeat
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265 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
266 | a95fd5d7 | Guido Trotter | self.sl.acquire()
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267 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
268 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
269 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
270 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
271 | a95fd5d7 | Guido Trotter | self.sl.delete()
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272 | 4607c978 | Iustin Pop | self._waitThreads()
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273 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
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274 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
275 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
276 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
277 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
278 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
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279 | a95fd5d7 | Guido Trotter | |
280 | 162c1c1f | Guido Trotter | |
281 | 4607c978 | Iustin Pop | class TestSSynchronizedDecorator(_ThreadedTestCase): |
282 | 42a999d1 | Guido Trotter | """Shared Lock Synchronized decorator test"""
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283 | 42a999d1 | Guido Trotter | |
284 | 42a999d1 | Guido Trotter | def setUp(self): |
285 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
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286 | 42a999d1 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
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287 | 42a999d1 | Guido Trotter | self.done = Queue.Queue(0) |
288 | 42a999d1 | Guido Trotter | |
289 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock)
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290 | 42a999d1 | Guido Trotter | def _doItExclusive(self): |
291 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned())
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292 | 42a999d1 | Guido Trotter | self.done.put('EXC') |
293 | 42a999d1 | Guido Trotter | |
294 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock, shared=1) |
295 | 42a999d1 | Guido Trotter | def _doItSharer(self): |
296 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned(shared=1)) |
297 | 42a999d1 | Guido Trotter | self.done.put('SHR') |
298 | 42a999d1 | Guido Trotter | |
299 | 42a999d1 | Guido Trotter | def testDecoratedFunctions(self): |
300 | 42a999d1 | Guido Trotter | self._doItExclusive()
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301 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
302 | 42a999d1 | Guido Trotter | self._doItSharer()
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303 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
304 | 42a999d1 | Guido Trotter | |
305 | 42a999d1 | Guido Trotter | def testSharersCanCoexist(self): |
306 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
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307 | 42a999d1 | Guido Trotter | Thread(target=self._doItSharer).start()
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308 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
309 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
310 | 42a999d1 | Guido Trotter | |
311 | 4607c978 | Iustin Pop | @_Repeat
|
312 | 42a999d1 | Guido Trotter | def testExclusiveBlocksExclusive(self): |
313 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
314 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
315 | 42a999d1 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
|
316 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
317 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
318 | 4607c978 | Iustin Pop | self._waitThreads()
|
319 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
320 | 42a999d1 | Guido Trotter | |
321 | 4607c978 | Iustin Pop | @_Repeat
|
322 | 42a999d1 | Guido Trotter | def testExclusiveBlocksSharer(self): |
323 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
324 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
325 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
326 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
327 | 4607c978 | Iustin Pop | self._waitThreads()
|
328 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
329 | 42a999d1 | Guido Trotter | |
330 | 4607c978 | Iustin Pop | @_Repeat
|
331 | 42a999d1 | Guido Trotter | def testSharerBlocksExclusive(self): |
332 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
333 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
334 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
335 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
336 | 4607c978 | Iustin Pop | self._waitThreads()
|
337 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
338 | 42a999d1 | Guido Trotter | |
339 | 42a999d1 | Guido Trotter | |
340 | 4607c978 | Iustin Pop | class TestLockSet(_ThreadedTestCase): |
341 | aaae9bc0 | Guido Trotter | """LockSet tests"""
|
342 | aaae9bc0 | Guido Trotter | |
343 | aaae9bc0 | Guido Trotter | def setUp(self): |
344 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
345 | 4607c978 | Iustin Pop | self._setUpLS()
|
346 | aaae9bc0 | Guido Trotter | # helper threads use the 'done' queue to tell the master they finished.
|
347 | aaae9bc0 | Guido Trotter | self.done = Queue.Queue(0) |
348 | aaae9bc0 | Guido Trotter | |
349 | 4607c978 | Iustin Pop | def _setUpLS(self): |
350 | 4607c978 | Iustin Pop | """Helper to (re)initialize the lock set"""
|
351 | 4607c978 | Iustin Pop | self.resources = ['one', 'two', 'three'] |
352 | 4607c978 | Iustin Pop | self.ls = locking.LockSet(members=self.resources) |
353 | 4607c978 | Iustin Pop | |
354 | 4607c978 | Iustin Pop | |
355 | aaae9bc0 | Guido Trotter | def testResources(self): |
356 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
357 | aaae9bc0 | Guido Trotter | newls = locking.LockSet() |
358 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
359 | aaae9bc0 | Guido Trotter | |
360 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
361 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
362 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
363 | aaae9bc0 | Guido Trotter | self.ls.release()
|
364 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
365 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
366 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
367 | aaae9bc0 | Guido Trotter | self.ls.release()
|
368 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
369 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
370 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
371 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
372 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
373 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
374 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
375 | aaae9bc0 | Guido Trotter | self.ls.release()
|
376 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
377 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
378 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
379 | aaae9bc0 | Guido Trotter | self.ls.release()
|
380 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
381 | aaae9bc0 | Guido Trotter | |
382 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
383 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
384 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
385 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
386 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
387 | aaae9bc0 | Guido Trotter | self.ls.release()
|
388 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
389 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
390 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
391 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
392 | aaae9bc0 | Guido Trotter | |
393 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
394 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
395 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
396 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
397 | aaae9bc0 | Guido Trotter | |
398 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
399 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
400 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
401 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
402 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
403 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
404 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
405 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
406 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
407 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
408 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
409 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
410 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
411 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight', acquired=1) |
412 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
413 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
414 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set([])) |
415 | d2aff862 | Guido Trotter | self.ls.acquire(None, shared=1) |
416 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight') |
417 | d2aff862 | Guido Trotter | self.ls.release()
|
418 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
419 | d2aff862 | Guido Trotter | self.ls.add('eight', acquired=1) |
420 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
421 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._list_owned()) |
422 | d2aff862 | Guido Trotter | self.ls.add('nine') |
423 | d2aff862 | Guido Trotter | self.assert_('nine' in self.ls._names()) |
424 | d2aff862 | Guido Trotter | self.assert_('nine' not in self.ls._list_owned()) |
425 | aaae9bc0 | Guido Trotter | self.ls.release()
|
426 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
427 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
428 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
429 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
430 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
431 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
432 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
433 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
434 | aaae9bc0 | Guido Trotter | |
435 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
436 | aaae9bc0 | Guido Trotter | self.assertRaises(NotImplementedError, self.ls.remove, 'one', blocking=0) |
437 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
438 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('one', blocking=0), ['one']) |
439 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
440 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three'], blocking=0), |
441 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
442 | aaae9bc0 | Guido Trotter | |
443 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
444 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
445 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
446 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
447 | aaae9bc0 | Guido Trotter | |
448 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
449 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
450 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
451 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
452 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
453 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
454 | aaae9bc0 | Guido Trotter | |
455 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
456 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
457 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
458 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
459 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
460 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._names(), set(['one', 'two', 'three'])) |
461 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
462 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
463 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
464 | 3b7ed473 | Guido Trotter | self.ls.release()
|
465 | 3b7ed473 | Guido Trotter | # share the set-lock
|
466 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
467 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
468 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
469 | 3b7ed473 | Guido Trotter | self.ls.release()
|
470 | 3b7ed473 | Guido Trotter | |
471 | d4f6a91c | Guido Trotter | def testAcquireWithRepetitions(self): |
472 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
473 | d4f6a91c | Guido Trotter | set(['two', 'two', 'three'])) |
474 | d4f6a91c | Guido Trotter | self.ls.release(['two', 'two']) |
475 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['three'])) |
476 | d4f6a91c | Guido Trotter | |
477 | 2e1d6d96 | Guido Trotter | def testEmptyAcquire(self): |
478 | 2e1d6d96 | Guido Trotter | # Acquire an empty list of locks...
|
479 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([]), set()) |
480 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
481 | 2e1d6d96 | Guido Trotter | # New locks can still be addded
|
482 | 2e1d6d96 | Guido Trotter | self.assert_(self.ls.add('six')) |
483 | 2e1d6d96 | Guido Trotter | # "re-acquiring" is not an issue, since we had really acquired nothing
|
484 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([], shared=1), set()) |
485 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
486 | 2e1d6d96 | Guido Trotter | # We haven't really acquired anything, so we cannot release
|
487 | 2e1d6d96 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
488 | 2e1d6d96 | Guido Trotter | |
489 | aaae9bc0 | Guido Trotter | def _doLockSet(self, set, shared): |
490 | aaae9bc0 | Guido Trotter | try:
|
491 | aaae9bc0 | Guido Trotter | self.ls.acquire(set, shared=shared) |
492 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
493 | aaae9bc0 | Guido Trotter | self.ls.release()
|
494 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
495 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
496 | aaae9bc0 | Guido Trotter | |
497 | 3b7ed473 | Guido Trotter | def _doAddSet(self, set): |
498 | 3b7ed473 | Guido Trotter | try:
|
499 | 3b7ed473 | Guido Trotter | self.ls.add(set, acquired=1) |
500 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
501 | 3b7ed473 | Guido Trotter | self.ls.release()
|
502 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
503 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
504 | 3b7ed473 | Guido Trotter | |
505 | aaae9bc0 | Guido Trotter | def _doRemoveSet(self, set): |
506 | aaae9bc0 | Guido Trotter | self.done.put(self.ls.remove(set)) |
507 | aaae9bc0 | Guido Trotter | |
508 | 4607c978 | Iustin Pop | @_Repeat
|
509 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
510 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
511 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
512 | 4607c978 | Iustin Pop | self._waitThreads()
|
513 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
514 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)) |
515 | 4607c978 | Iustin Pop | self._waitThreads()
|
516 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
517 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
518 | 4607c978 | Iustin Pop | self._waitThreads()
|
519 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
520 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
521 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
522 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
523 | aaae9bc0 | Guido Trotter | self.ls.release()
|
524 | 4607c978 | Iustin Pop | self._waitThreads()
|
525 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
526 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
527 | aaae9bc0 | Guido Trotter | |
528 | 4607c978 | Iustin Pop | @_Repeat
|
529 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
530 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
531 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
532 | 4607c978 | Iustin Pop | self._waitThreads()
|
533 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
534 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 0)) |
535 | 4607c978 | Iustin Pop | self._waitThreads()
|
536 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
537 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
538 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
539 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 0)) |
540 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 1)) |
541 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
542 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 1)) |
543 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
544 | aaae9bc0 | Guido Trotter | self.ls.release()
|
545 | 4607c978 | Iustin Pop | self._waitThreads()
|
546 | 4607c978 | Iustin Pop | for _ in range(6): |
547 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
548 | aaae9bc0 | Guido Trotter | |
549 | 4607c978 | Iustin Pop | @_Repeat
|
550 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
551 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
552 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
553 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 0)) |
554 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 1)) |
555 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
556 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
557 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
558 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
559 | aaae9bc0 | Guido Trotter | self.ls.release()
|
560 | 4607c978 | Iustin Pop | self._waitThreads()
|
561 | 4607c978 | Iustin Pop | for i in range(4): |
562 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'ERR') |
563 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
564 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 1)) |
565 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 0)) |
566 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 1)) |
567 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 0)) |
568 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
569 | aaae9bc0 | Guido Trotter | self.ls.release()
|
570 | 4607c978 | Iustin Pop | self._waitThreads()
|
571 | 4607c978 | Iustin Pop | for i in range(4): |
572 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
573 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
574 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['four', 'six'], )) |
575 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
576 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
577 | 4607c978 | Iustin Pop | self._waitThreads()
|
578 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['six']) |
579 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'])) |
580 | 4607c978 | Iustin Pop | self._waitThreads()
|
581 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['two']) |
582 | aaae9bc0 | Guido Trotter | self.ls.release()
|
583 | 4607c978 | Iustin Pop | # reset lockset
|
584 | 4607c978 | Iustin Pop | self._setUpLS()
|
585 | aaae9bc0 | Guido Trotter | |
586 | 4607c978 | Iustin Pop | @_Repeat
|
587 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
588 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
589 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
590 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
591 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
592 | 4607c978 | Iustin Pop | self._waitThreads()
|
593 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
594 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
595 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'three'], 1)) |
596 | 4607c978 | Iustin Pop | self._waitThreads()
|
597 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
598 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
599 | 4607c978 | Iustin Pop | t = self._addThread(target=self._doAddSet, args=(['nine'])) |
600 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'], )) |
601 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
602 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
603 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
604 | 4607c978 | Iustin Pop | t.join(60)
|
605 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
606 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
607 | 3b7ed473 | Guido Trotter | self.ls.release()
|
608 | 4607c978 | Iustin Pop | self._waitThreads()
|
609 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), ['two']) |
610 | 4607c978 | Iustin Pop | # reset lockset
|
611 | 4607c978 | Iustin Pop | self._setUpLS()
|
612 | 3b7ed473 | Guido Trotter | |
613 | 4607c978 | Iustin Pop | @_Repeat
|
614 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
615 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
616 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
617 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
618 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
619 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
620 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three'], 0)) |
621 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two'], 1)) |
622 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
623 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
624 | 3b7ed473 | Guido Trotter | self.ls.release()
|
625 | 4607c978 | Iustin Pop | self._waitThreads()
|
626 | 4607c978 | Iustin Pop | for _ in range(5): |
627 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get(True, 1), 'DONE') |
628 | 4607c978 | Iustin Pop | # cleanup
|
629 | 4607c978 | Iustin Pop | self._setUpLS()
|
630 | 3b7ed473 | Guido Trotter | |
631 | 4607c978 | Iustin Pop | @_Repeat
|
632 | d2aff862 | Guido Trotter | def testConcurrentSetLockAdd(self): |
633 | d2aff862 | Guido Trotter | self.ls.acquire('one') |
634 | d2aff862 | Guido Trotter | # Another thread wants the whole SetLock
|
635 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
636 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
637 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
638 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'four') |
639 | d2aff862 | Guido Trotter | self.ls.release()
|
640 | 4607c978 | Iustin Pop | self._waitThreads()
|
641 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
642 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
643 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
644 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
645 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
646 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
647 | d2aff862 | Guido Trotter | self.ls.add('four') |
648 | d2aff862 | Guido Trotter | self.ls.add('five', acquired=1) |
649 | d2aff862 | Guido Trotter | self.ls.add('six', acquired=1, shared=1) |
650 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), |
651 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'five', 'six'])) |
652 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
653 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._names(), |
654 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'four', 'five', 'six'])) |
655 | d2aff862 | Guido Trotter | self.ls.release()
|
656 | 4607c978 | Iustin Pop | self._waitThreads()
|
657 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
658 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
659 | 4607c978 | Iustin Pop | self._setUpLS()
|
660 | d2aff862 | Guido Trotter | |
661 | 4607c978 | Iustin Pop | @_Repeat
|
662 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
663 | b2dabfd6 | Guido Trotter | # get the set-lock
|
664 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
665 | b2dabfd6 | Guido Trotter | # now empty it...
|
666 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
667 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
668 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
669 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
670 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
671 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
672 | b2dabfd6 | Guido Trotter | self.ls.release()
|
673 | 4607c978 | Iustin Pop | self._waitThreads()
|
674 | 4607c978 | Iustin Pop | for _ in range(3): |
675 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
676 | b2dabfd6 | Guido Trotter | # empty it again...
|
677 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
678 | b2dabfd6 | Guido Trotter | # now share it...
|
679 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
680 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
681 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
682 | 4607c978 | Iustin Pop | self._waitThreads()
|
683 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
684 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
685 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
686 | b2dabfd6 | Guido Trotter | self.ls.release()
|
687 | 4607c978 | Iustin Pop | self._waitThreads()
|
688 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
689 | 4607c978 | Iustin Pop | self._setUpLS()
|
690 | b2dabfd6 | Guido Trotter | |
691 | aaae9bc0 | Guido Trotter | |
692 | 4607c978 | Iustin Pop | class TestGanetiLockManager(_ThreadedTestCase): |
693 | 7ee7c0c7 | Guido Trotter | |
694 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
695 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
696 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
697 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
698 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes, |
699 | 7ee7c0c7 | Guido Trotter | instances=self.instances)
|
700 | 7ee7c0c7 | Guido Trotter | self.done = Queue.Queue(0) |
701 | 7ee7c0c7 | Guido Trotter | |
702 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
703 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
704 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
705 | 7ee7c0c7 | Guido Trotter | |
706 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
707 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
708 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
709 | b10b9d74 | Guido Trotter | # This relationship is also used in the Processor to recursively acquire
|
710 | b10b9d74 | Guido Trotter | # the right locks. Again, please don't break it.
|
711 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
712 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
713 | 7ee7c0c7 | Guido Trotter | |
714 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
715 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager) |
716 | 7ee7c0c7 | Guido Trotter | |
717 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
718 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
719 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
720 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
721 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
722 | 7ee7c0c7 | Guido Trotter | |
723 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
724 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
725 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager()
|
726 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
727 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
728 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
729 | 7ee7c0c7 | Guido Trotter | |
730 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
731 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes) |
732 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
733 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
734 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
735 | 7ee7c0c7 | Guido Trotter | |
736 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
737 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(instances=self.instances) |
738 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
739 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
740 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
741 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
742 | 7ee7c0c7 | Guido Trotter | |
743 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
744 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
745 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
746 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
747 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
748 | 04e1bfaf | Guido Trotter | self.GL.release(locking.LEVEL_NODE, ['n2']) |
749 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
750 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
751 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
752 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
753 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
754 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
755 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
756 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
757 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
758 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
759 | 7ee7c0c7 | Guido Trotter | |
760 | 90c942d1 | Guido Trotter | def testAcquireWholeSets(self): |
761 | 90c942d1 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
762 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
763 | 90c942d1 | Guido Trotter | set(self.instances)) |
764 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
765 | 90c942d1 | Guido Trotter | set(self.instances)) |
766 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
767 | 90c942d1 | Guido Trotter | set(self.nodes)) |
768 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
769 | 90c942d1 | Guido Trotter | set(self.nodes)) |
770 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
771 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
772 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
773 | d4f6a91c | Guido Trotter | |
774 | d4f6a91c | Guido Trotter | def testAcquireWholeAndPartial(self): |
775 | d4f6a91c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
776 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
777 | d4f6a91c | Guido Trotter | set(self.instances)) |
778 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
779 | d4f6a91c | Guido Trotter | set(self.instances)) |
780 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
781 | d4f6a91c | Guido Trotter | set(['n2'])) |
782 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
783 | d4f6a91c | Guido Trotter | set(['n2'])) |
784 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
785 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
786 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
787 | 90c942d1 | Guido Trotter | |
788 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
789 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
790 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
791 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
792 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
793 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
794 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
795 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
796 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
797 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
798 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
799 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
800 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
801 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
802 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
803 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
804 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
805 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
806 | 7ee7c0c7 | Guido Trotter | |
807 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
808 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
809 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
810 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
811 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
812 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
813 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
814 | 7ee7c0c7 | Guido Trotter | |
815 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
816 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
817 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
818 | 7ee7c0c7 | Guido Trotter | try:
|
819 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
820 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
821 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
822 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
823 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
824 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
825 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
826 | 7ee7c0c7 | Guido Trotter | |
827 | 4607c978 | Iustin Pop | @_Repeat
|
828 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
829 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
830 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
831 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
832 | 4607c978 | Iustin Pop | self._waitThreads()
|
833 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
834 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
835 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
836 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
837 | 4607c978 | Iustin Pop | self._waitThreads()
|
838 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
839 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
840 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i3', 1)) |
841 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
842 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
843 | 4607c978 | Iustin Pop | self._waitThreads()
|
844 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
845 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
846 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
847 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 1)) |
848 | 4607c978 | Iustin Pop | self._waitThreads()
|
849 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
850 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
851 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 0)) |
852 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
853 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
854 | 4607c978 | Iustin Pop | self._waitThreads()
|
855 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
856 | 4607c978 | Iustin Pop | self.GL.release(locking.LEVEL_CLUSTER, ['BGL']) |
857 | 7ee7c0c7 | Guido Trotter | |
858 | 7ee7c0c7 | Guido Trotter | |
859 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
860 | 162c1c1f | Guido Trotter | unittest.main() |
861 | 162c1c1f | Guido Trotter | #suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
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862 | 162c1c1f | Guido Trotter | #unittest.TextTestRunner(verbosity=2).run(suite) |