root / test / ganeti.locking_unittest.py @ c5fe2a67
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1 | 162c1c1f | Guido Trotter | #!/usr/bin/python
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2 | 162c1c1f | Guido Trotter | #
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3 | 162c1c1f | Guido Trotter | |
4 | 162c1c1f | Guido Trotter | # Copyright (C) 2006, 2007 Google Inc.
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5 | 162c1c1f | Guido Trotter | #
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6 | 162c1c1f | Guido Trotter | # This program is free software; you can redistribute it and/or modify
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7 | 162c1c1f | Guido Trotter | # it under the terms of the GNU General Public License as published by
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8 | 162c1c1f | Guido Trotter | # the Free Software Foundation; either version 2 of the License, or
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9 | 162c1c1f | Guido Trotter | # (at your option) any later version.
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10 | 162c1c1f | Guido Trotter | #
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11 | 162c1c1f | Guido Trotter | # This program is distributed in the hope that it will be useful, but
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12 | 162c1c1f | Guido Trotter | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 162c1c1f | Guido Trotter | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 162c1c1f | Guido Trotter | # General Public License for more details.
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15 | 162c1c1f | Guido Trotter | #
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16 | 162c1c1f | Guido Trotter | # You should have received a copy of the GNU General Public License
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17 | 162c1c1f | Guido Trotter | # along with this program; if not, write to the Free Software
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18 | 162c1c1f | Guido Trotter | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 162c1c1f | Guido Trotter | # 0.0510-1301, USA.
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20 | 162c1c1f | Guido Trotter | |
21 | 162c1c1f | Guido Trotter | |
22 | 162c1c1f | Guido Trotter | """Script for unittesting the locking module"""
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23 | 162c1c1f | Guido Trotter | |
24 | 162c1c1f | Guido Trotter | |
25 | 162c1c1f | Guido Trotter | import os |
26 | 162c1c1f | Guido Trotter | import unittest |
27 | 162c1c1f | Guido Trotter | import time |
28 | 162c1c1f | Guido Trotter | import Queue |
29 | 84e344d4 | Michael Hanselmann | import threading |
30 | 162c1c1f | Guido Trotter | |
31 | 162c1c1f | Guido Trotter | from ganeti import locking |
32 | a95fd5d7 | Guido Trotter | from ganeti import errors |
33 | 162c1c1f | Guido Trotter | |
34 | 162c1c1f | Guido Trotter | |
35 | 42a999d1 | Guido Trotter | # This is used to test the ssynchronize decorator.
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36 | 42a999d1 | Guido Trotter | # Since it's passed as input to a decorator it must be declared as a global.
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37 | 42a999d1 | Guido Trotter | _decoratorlock = locking.SharedLock() |
38 | 42a999d1 | Guido Trotter | |
39 | 4607c978 | Iustin Pop | #: List for looping tests
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40 | 4607c978 | Iustin Pop | ITERATIONS = range(8) |
41 | 4607c978 | Iustin Pop | |
42 | 84e344d4 | Michael Hanselmann | |
43 | 4607c978 | Iustin Pop | def _Repeat(fn): |
44 | 4607c978 | Iustin Pop | """Decorator for executing a function many times"""
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45 | 4607c978 | Iustin Pop | def wrapper(*args, **kwargs): |
46 | 4607c978 | Iustin Pop | for i in ITERATIONS: |
47 | 4607c978 | Iustin Pop | fn(*args, **kwargs) |
48 | 4607c978 | Iustin Pop | return wrapper
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49 | 4607c978 | Iustin Pop | |
50 | 84e344d4 | Michael Hanselmann | |
51 | 4607c978 | Iustin Pop | class _ThreadedTestCase(unittest.TestCase): |
52 | 4607c978 | Iustin Pop | """Test class that supports adding/waiting on threads"""
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53 | 4607c978 | Iustin Pop | def setUp(self): |
54 | 4607c978 | Iustin Pop | unittest.TestCase.setUp(self)
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55 | 63f2e724 | Guido Trotter | self.done = Queue.Queue(0) |
56 | 4607c978 | Iustin Pop | self.threads = []
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57 | 4607c978 | Iustin Pop | |
58 | 4607c978 | Iustin Pop | def _addThread(self, *args, **kwargs): |
59 | 4607c978 | Iustin Pop | """Create and remember a new thread"""
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60 | 84e344d4 | Michael Hanselmann | t = threading.Thread(*args, **kwargs) |
61 | 4607c978 | Iustin Pop | self.threads.append(t)
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62 | 4607c978 | Iustin Pop | t.start() |
63 | 4607c978 | Iustin Pop | return t
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64 | 4607c978 | Iustin Pop | |
65 | 4607c978 | Iustin Pop | def _waitThreads(self): |
66 | 4607c978 | Iustin Pop | """Wait for all our threads to finish"""
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67 | 4607c978 | Iustin Pop | for t in self.threads: |
68 | 4607c978 | Iustin Pop | t.join(60)
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69 | 4607c978 | Iustin Pop | self.failIf(t.isAlive())
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70 | 4607c978 | Iustin Pop | self.threads = []
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71 | 42a999d1 | Guido Trotter | |
72 | 4607c978 | Iustin Pop | |
73 | c5fe2a67 | Guido Trotter | class _ConditionTestCase(_ThreadedTestCase): |
74 | c5fe2a67 | Guido Trotter | """Common test case for conditions"""
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75 | 48dabc6a | Michael Hanselmann | |
76 | c5fe2a67 | Guido Trotter | def setUp(self, cls): |
77 | 48dabc6a | Michael Hanselmann | _ThreadedTestCase.setUp(self)
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78 | 48dabc6a | Michael Hanselmann | self.lock = threading.Lock()
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79 | c5fe2a67 | Guido Trotter | self.cond = cls(self.lock) |
80 | 48dabc6a | Michael Hanselmann | |
81 | c5fe2a67 | Guido Trotter | def _testAcquireRelease(self): |
82 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
83 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
84 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
85 | 48dabc6a | Michael Hanselmann | |
86 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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87 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
88 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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89 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
90 | 48dabc6a | Michael Hanselmann | self.cond.release()
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91 | 48dabc6a | Michael Hanselmann | |
92 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
93 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.wait) |
94 | 48dabc6a | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
95 | 48dabc6a | Michael Hanselmann | |
96 | c5fe2a67 | Guido Trotter | def _testNotification(self): |
97 | 48dabc6a | Michael Hanselmann | def _NotifyAll(): |
98 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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99 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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100 | 48dabc6a | Michael Hanselmann | self.cond.release()
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101 | 48dabc6a | Michael Hanselmann | |
102 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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103 | 48dabc6a | Michael Hanselmann | self._addThread(target=_NotifyAll)
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104 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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105 | 48dabc6a | Michael Hanselmann | self.assert_(self.cond._is_owned()) |
106 | 48dabc6a | Michael Hanselmann | self.cond.release()
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107 | 48dabc6a | Michael Hanselmann | self.assert_(not self.cond._is_owned()) |
108 | 48dabc6a | Michael Hanselmann | |
109 | c5fe2a67 | Guido Trotter | |
110 | c5fe2a67 | Guido Trotter | class TestPipeCondition(_ConditionTestCase): |
111 | c5fe2a67 | Guido Trotter | """_PipeCondition tests"""
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112 | c5fe2a67 | Guido Trotter | |
113 | c5fe2a67 | Guido Trotter | def setUp(self): |
114 | c5fe2a67 | Guido Trotter | _ConditionTestCase.setUp(self, locking._PipeCondition)
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115 | c5fe2a67 | Guido Trotter | |
116 | c5fe2a67 | Guido Trotter | def testAcquireRelease(self): |
117 | c5fe2a67 | Guido Trotter | self._testAcquireRelease()
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118 | c5fe2a67 | Guido Trotter | |
119 | c5fe2a67 | Guido Trotter | def testNotification(self): |
120 | c5fe2a67 | Guido Trotter | self._testNotification()
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121 | c5fe2a67 | Guido Trotter | |
122 | 48dabc6a | Michael Hanselmann | def _TestWait(self, fn): |
123 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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124 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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125 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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126 | 48dabc6a | Michael Hanselmann | |
127 | 48dabc6a | Michael Hanselmann | # Wait for threads to be waiting
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128 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
129 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
130 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get(True, 1), "A") |
131 | 48dabc6a | Michael Hanselmann | |
132 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
133 | 48dabc6a | Michael Hanselmann | |
134 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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135 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 3) |
136 | 48dabc6a | Michael Hanselmann | # This new thread can"t acquire the lock, and thus call wait, before we
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137 | 48dabc6a | Michael Hanselmann | # release it
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138 | 48dabc6a | Michael Hanselmann | self._addThread(target=fn)
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139 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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140 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
141 | 48dabc6a | Michael Hanselmann | self.cond.release()
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142 | 48dabc6a | Michael Hanselmann | |
143 | 48dabc6a | Michael Hanselmann | # We should now get 3 W and 1 A (for the new thread) in whatever order
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144 | 48dabc6a | Michael Hanselmann | w = 0
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145 | 48dabc6a | Michael Hanselmann | a = 0
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146 | 48dabc6a | Michael Hanselmann | for i in range(4): |
147 | 48dabc6a | Michael Hanselmann | got = self.done.get(True, 1) |
148 | 48dabc6a | Michael Hanselmann | if got == "W": |
149 | 48dabc6a | Michael Hanselmann | w += 1
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150 | 48dabc6a | Michael Hanselmann | elif got == "A": |
151 | 48dabc6a | Michael Hanselmann | a += 1
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152 | 48dabc6a | Michael Hanselmann | else:
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153 | 48dabc6a | Michael Hanselmann | self.fail("Got %s on the done queue" % got) |
154 | 48dabc6a | Michael Hanselmann | |
155 | 48dabc6a | Michael Hanselmann | self.assertEqual(w, 3) |
156 | 48dabc6a | Michael Hanselmann | self.assertEqual(a, 1) |
157 | 48dabc6a | Michael Hanselmann | |
158 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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159 | 48dabc6a | Michael Hanselmann | self.cond.notifyAll()
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160 | 48dabc6a | Michael Hanselmann | self.cond.release()
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161 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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162 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "W") |
163 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
164 | 48dabc6a | Michael Hanselmann | |
165 | 48dabc6a | Michael Hanselmann | def testBlockingWait(self): |
166 | 48dabc6a | Michael Hanselmann | def _BlockingWait(): |
167 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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168 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
169 | 48dabc6a | Michael Hanselmann | self.cond.wait()
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170 | 48dabc6a | Michael Hanselmann | self.cond.release()
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171 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
172 | 48dabc6a | Michael Hanselmann | |
173 | 48dabc6a | Michael Hanselmann | self._TestWait(_BlockingWait)
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174 | 48dabc6a | Michael Hanselmann | |
175 | 48dabc6a | Michael Hanselmann | def testLongTimeoutWait(self): |
176 | 48dabc6a | Michael Hanselmann | def _Helper(): |
177 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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178 | 48dabc6a | Michael Hanselmann | self.done.put("A") |
179 | 48dabc6a | Michael Hanselmann | self.cond.wait(15.0) |
180 | 48dabc6a | Michael Hanselmann | self.cond.release()
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181 | 48dabc6a | Michael Hanselmann | self.done.put("W") |
182 | 48dabc6a | Michael Hanselmann | |
183 | 48dabc6a | Michael Hanselmann | self._TestWait(_Helper)
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184 | 48dabc6a | Michael Hanselmann | |
185 | 48dabc6a | Michael Hanselmann | def _TimeoutWait(self, timeout, check): |
186 | 48dabc6a | Michael Hanselmann | self.cond.acquire()
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187 | 48dabc6a | Michael Hanselmann | self.cond.wait(timeout)
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188 | 48dabc6a | Michael Hanselmann | self.cond.release()
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189 | 48dabc6a | Michael Hanselmann | self.done.put(check)
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190 | 48dabc6a | Michael Hanselmann | |
191 | 48dabc6a | Michael Hanselmann | def testShortTimeoutWait(self): |
192 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
193 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0.1, "T1")) |
194 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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195 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
196 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T1") |
197 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
198 | 48dabc6a | Michael Hanselmann | |
199 | 48dabc6a | Michael Hanselmann | def testZeroTimeoutWait(self): |
200 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
201 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
202 | 48dabc6a | Michael Hanselmann | self._addThread(target=self._TimeoutWait, args=(0, "T0")) |
203 | 48dabc6a | Michael Hanselmann | self._waitThreads()
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204 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
205 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
206 | 48dabc6a | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "T0") |
207 | 48dabc6a | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
208 | 48dabc6a | Michael Hanselmann | |
209 | 48dabc6a | Michael Hanselmann | |
210 | d76167a5 | Michael Hanselmann | class TestSingleActionPipeCondition(unittest.TestCase): |
211 | d76167a5 | Michael Hanselmann | """_SingleActionPipeCondition tests"""
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212 | d76167a5 | Michael Hanselmann | |
213 | d76167a5 | Michael Hanselmann | def setUp(self): |
214 | d76167a5 | Michael Hanselmann | self.cond = locking._SingleActionPipeCondition()
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215 | d76167a5 | Michael Hanselmann | |
216 | d76167a5 | Michael Hanselmann | def testInitialization(self): |
217 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
218 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
219 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
220 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 0) |
221 | d76167a5 | Michael Hanselmann | |
222 | d76167a5 | Michael Hanselmann | def testUsageCount(self): |
223 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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224 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
225 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
226 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
227 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 1) |
228 | d76167a5 | Michael Hanselmann | |
229 | d76167a5 | Michael Hanselmann | # use again
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230 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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231 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 2) |
232 | d76167a5 | Michael Hanselmann | |
233 | d76167a5 | Michael Hanselmann | # there is more than one user
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234 | d76167a5 | Michael Hanselmann | self.assert_(not self.cond.DoneWaiting()) |
235 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
236 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
237 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
238 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 1) |
239 | d76167a5 | Michael Hanselmann | |
240 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
241 | d76167a5 | Michael Hanselmann | self.assertEqual(self.cond._nwaiters, 0) |
242 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
243 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
244 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
245 | d76167a5 | Michael Hanselmann | |
246 | d76167a5 | Michael Hanselmann | def testNotify(self): |
247 | d76167a5 | Michael Hanselmann | wait1 = self.cond.StartWaiting()
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248 | d76167a5 | Michael Hanselmann | wait2 = self.cond.StartWaiting()
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249 | d76167a5 | Michael Hanselmann | |
250 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
251 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
252 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
253 | d76167a5 | Michael Hanselmann | |
254 | d76167a5 | Michael Hanselmann | self.cond.notifyAll()
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255 | d76167a5 | Michael Hanselmann | |
256 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
257 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
258 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
259 | d76167a5 | Michael Hanselmann | |
260 | d76167a5 | Michael Hanselmann | self.assert_(not self.cond.DoneWaiting()) |
261 | d76167a5 | Michael Hanselmann | |
262 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
263 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
264 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
265 | d76167a5 | Michael Hanselmann | |
266 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
267 | d76167a5 | Michael Hanselmann | |
268 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
269 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
270 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
271 | d76167a5 | Michael Hanselmann | |
272 | d76167a5 | Michael Hanselmann | def testReusage(self): |
273 | d76167a5 | Michael Hanselmann | self.cond.StartWaiting()
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274 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is not None) |
275 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is not None) |
276 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is not None) |
277 | d76167a5 | Michael Hanselmann | |
278 | d76167a5 | Michael Hanselmann | self.assert_(self.cond.DoneWaiting()) |
279 | d76167a5 | Michael Hanselmann | |
280 | d76167a5 | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.StartWaiting) |
281 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._read_fd is None) |
282 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._write_fd is None) |
283 | d76167a5 | Michael Hanselmann | self.assert_(self.cond._poller is None) |
284 | d76167a5 | Michael Hanselmann | |
285 | d76167a5 | Michael Hanselmann | def testNotifyTwice(self): |
286 | d76167a5 | Michael Hanselmann | self.cond.notifyAll()
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287 | d76167a5 | Michael Hanselmann | self.assertRaises(RuntimeError, self.cond.notifyAll) |
288 | d76167a5 | Michael Hanselmann | |
289 | d76167a5 | Michael Hanselmann | |
290 | 4607c978 | Iustin Pop | class TestSharedLock(_ThreadedTestCase): |
291 | d6646186 | Guido Trotter | """SharedLock tests"""
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292 | 162c1c1f | Guido Trotter | |
293 | 162c1c1f | Guido Trotter | def setUp(self): |
294 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
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295 | 162c1c1f | Guido Trotter | self.sl = locking.SharedLock()
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296 | 162c1c1f | Guido Trotter | |
297 | 162c1c1f | Guido Trotter | def testSequenceAndOwnership(self): |
298 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
299 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
300 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
301 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
302 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
303 | 162c1c1f | Guido Trotter | self.sl.release()
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304 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
305 | 162c1c1f | Guido Trotter | self.sl.acquire()
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306 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
307 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=1)) |
308 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=0)) |
309 | 162c1c1f | Guido Trotter | self.sl.release()
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310 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
311 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
312 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned()) |
313 | 162c1c1f | Guido Trotter | self.assert_(self.sl._is_owned(shared=1)) |
314 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned(shared=0)) |
315 | 162c1c1f | Guido Trotter | self.sl.release()
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316 | 162c1c1f | Guido Trotter | self.assert_(not self.sl._is_owned()) |
317 | 162c1c1f | Guido Trotter | |
318 | 162c1c1f | Guido Trotter | def testBooleanValue(self): |
319 | 162c1c1f | Guido Trotter | # semaphores are supposed to return a true value on a successful acquire
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320 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire(shared=1)) |
321 | 162c1c1f | Guido Trotter | self.sl.release()
|
322 | 162c1c1f | Guido Trotter | self.assert_(self.sl.acquire()) |
323 | 162c1c1f | Guido Trotter | self.sl.release()
|
324 | 162c1c1f | Guido Trotter | |
325 | 162c1c1f | Guido Trotter | def testDoubleLockingStoE(self): |
326 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
327 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
328 | 162c1c1f | Guido Trotter | |
329 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoS(self): |
330 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
331 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
332 | 162c1c1f | Guido Trotter | |
333 | 162c1c1f | Guido Trotter | def testDoubleLockingStoS(self): |
334 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
335 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
336 | 162c1c1f | Guido Trotter | |
337 | 162c1c1f | Guido Trotter | def testDoubleLockingEtoE(self): |
338 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
339 | 162c1c1f | Guido Trotter | self.assertRaises(AssertionError, self.sl.acquire) |
340 | 162c1c1f | Guido Trotter | |
341 | 162c1c1f | Guido Trotter | # helper functions: called in a separate thread they acquire the lock, send
|
342 | 162c1c1f | Guido Trotter | # their identifier on the done queue, then release it.
|
343 | 162c1c1f | Guido Trotter | def _doItSharer(self): |
344 | a95fd5d7 | Guido Trotter | try:
|
345 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
346 | a95fd5d7 | Guido Trotter | self.done.put('SHR') |
347 | a95fd5d7 | Guido Trotter | self.sl.release()
|
348 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
349 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
350 | 162c1c1f | Guido Trotter | |
351 | 162c1c1f | Guido Trotter | def _doItExclusive(self): |
352 | a95fd5d7 | Guido Trotter | try:
|
353 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
354 | a95fd5d7 | Guido Trotter | self.done.put('EXC') |
355 | a95fd5d7 | Guido Trotter | self.sl.release()
|
356 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
357 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
358 | a95fd5d7 | Guido Trotter | |
359 | a95fd5d7 | Guido Trotter | def _doItDelete(self): |
360 | a95fd5d7 | Guido Trotter | try:
|
361 | 4354ab03 | Guido Trotter | self.sl.delete()
|
362 | a95fd5d7 | Guido Trotter | self.done.put('DEL') |
363 | a95fd5d7 | Guido Trotter | except errors.LockError:
|
364 | a95fd5d7 | Guido Trotter | self.done.put('ERR') |
365 | 162c1c1f | Guido Trotter | |
366 | 162c1c1f | Guido Trotter | def testSharersCanCoexist(self): |
367 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
368 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
369 | 162c1c1f | Guido Trotter | self.assert_(self.done.get(True, 1)) |
370 | 162c1c1f | Guido Trotter | self.sl.release()
|
371 | 162c1c1f | Guido Trotter | |
372 | 4607c978 | Iustin Pop | @_Repeat
|
373 | 162c1c1f | Guido Trotter | def testExclusiveBlocksExclusive(self): |
374 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
375 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
376 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
377 | 162c1c1f | Guido Trotter | self.sl.release()
|
378 | 4607c978 | Iustin Pop | self._waitThreads()
|
379 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
380 | 162c1c1f | Guido Trotter | |
381 | 4607c978 | Iustin Pop | @_Repeat
|
382 | a95fd5d7 | Guido Trotter | def testExclusiveBlocksDelete(self): |
383 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
384 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
385 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
386 | a95fd5d7 | Guido Trotter | self.sl.release()
|
387 | 4607c978 | Iustin Pop | self._waitThreads()
|
388 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
389 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
390 | a95fd5d7 | Guido Trotter | |
391 | 4607c978 | Iustin Pop | @_Repeat
|
392 | 162c1c1f | Guido Trotter | def testExclusiveBlocksSharer(self): |
393 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
394 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
395 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
396 | 162c1c1f | Guido Trotter | self.sl.release()
|
397 | 4607c978 | Iustin Pop | self._waitThreads()
|
398 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
399 | 162c1c1f | Guido Trotter | |
400 | 4607c978 | Iustin Pop | @_Repeat
|
401 | 162c1c1f | Guido Trotter | def testSharerBlocksExclusive(self): |
402 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
403 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
404 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
405 | 162c1c1f | Guido Trotter | self.sl.release()
|
406 | 4607c978 | Iustin Pop | self._waitThreads()
|
407 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
408 | 162c1c1f | Guido Trotter | |
409 | 4607c978 | Iustin Pop | @_Repeat
|
410 | a95fd5d7 | Guido Trotter | def testSharerBlocksDelete(self): |
411 | a95fd5d7 | Guido Trotter | self.sl.acquire(shared=1) |
412 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
413 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
414 | a95fd5d7 | Guido Trotter | self.sl.release()
|
415 | 4607c978 | Iustin Pop | self._waitThreads()
|
416 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
417 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
418 | a95fd5d7 | Guido Trotter | |
419 | 4607c978 | Iustin Pop | @_Repeat
|
420 | 162c1c1f | Guido Trotter | def testWaitingExclusiveBlocksSharer(self): |
421 | e6416152 | Iustin Pop | """SKIPPED testWaitingExclusiveBlockSharer"""
|
422 | e6416152 | Iustin Pop | return
|
423 | e6416152 | Iustin Pop | |
424 | 162c1c1f | Guido Trotter | self.sl.acquire(shared=1) |
425 | 162c1c1f | Guido Trotter | # the lock is acquired in shared mode...
|
426 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
427 | 162c1c1f | Guido Trotter | # ...but now an exclusive is waiting...
|
428 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
429 | 162c1c1f | Guido Trotter | # ...so the sharer should be blocked as well
|
430 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
431 | 162c1c1f | Guido Trotter | self.sl.release()
|
432 | 4607c978 | Iustin Pop | self._waitThreads()
|
433 | 162c1c1f | Guido Trotter | # The exclusive passed before
|
434 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
435 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
436 | 162c1c1f | Guido Trotter | |
437 | 4607c978 | Iustin Pop | @_Repeat
|
438 | 162c1c1f | Guido Trotter | def testWaitingSharerBlocksExclusive(self): |
439 | a143be68 | Iustin Pop | """SKIPPED testWaitingSharerBlocksExclusive"""
|
440 | a143be68 | Iustin Pop | return
|
441 | a143be68 | Iustin Pop | |
442 | 162c1c1f | Guido Trotter | self.sl.acquire()
|
443 | 162c1c1f | Guido Trotter | # the lock is acquired in exclusive mode...
|
444 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
445 | 162c1c1f | Guido Trotter | # ...but now a sharer is waiting...
|
446 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
447 | 162c1c1f | Guido Trotter | # ...the exclusive is waiting too...
|
448 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
449 | 162c1c1f | Guido Trotter | self.sl.release()
|
450 | 4607c978 | Iustin Pop | self._waitThreads()
|
451 | 162c1c1f | Guido Trotter | # The sharer passed before
|
452 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'SHR') |
453 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'EXC') |
454 | 162c1c1f | Guido Trotter | |
455 | a95fd5d7 | Guido Trotter | def testDelete(self): |
456 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
457 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire) |
458 | 84152b96 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
459 | a95fd5d7 | Guido Trotter | self.assertRaises(errors.LockError, self.sl.delete) |
460 | a95fd5d7 | Guido Trotter | |
461 | a66bd91b | Michael Hanselmann | def testDeleteTimeout(self): |
462 | a66bd91b | Michael Hanselmann | self.sl.delete(timeout=60) |
463 | a66bd91b | Michael Hanselmann | |
464 | 84152b96 | Guido Trotter | def testNoDeleteIfSharer(self): |
465 | 84152b96 | Guido Trotter | self.sl.acquire(shared=1) |
466 | 84152b96 | Guido Trotter | self.assertRaises(AssertionError, self.sl.delete) |
467 | 84152b96 | Guido Trotter | |
468 | 4607c978 | Iustin Pop | @_Repeat
|
469 | a95fd5d7 | Guido Trotter | def testDeletePendingSharersExclusiveDelete(self): |
470 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
471 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
472 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
473 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
474 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
475 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
476 | 4607c978 | Iustin Pop | self._waitThreads()
|
477 | 4607c978 | Iustin Pop | # The threads who were pending return ERR
|
478 | 4607c978 | Iustin Pop | for _ in range(4): |
479 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
480 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
481 | a95fd5d7 | Guido Trotter | |
482 | 4607c978 | Iustin Pop | @_Repeat
|
483 | a95fd5d7 | Guido Trotter | def testDeletePendingDeleteExclusiveSharers(self): |
484 | a95fd5d7 | Guido Trotter | self.sl.acquire()
|
485 | 4607c978 | Iustin Pop | self._addThread(target=self._doItDelete) |
486 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
487 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
488 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
489 | a95fd5d7 | Guido Trotter | self.sl.delete()
|
490 | 4607c978 | Iustin Pop | self._waitThreads()
|
491 | a95fd5d7 | Guido Trotter | # The two threads who were pending return both ERR
|
492 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
493 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
494 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
495 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'ERR') |
496 | 4607c978 | Iustin Pop | self.sl = locking.SharedLock()
|
497 | a95fd5d7 | Guido Trotter | |
498 | 84e344d4 | Michael Hanselmann | @_Repeat
|
499 | 84e344d4 | Michael Hanselmann | def testExclusiveAcquireTimeout(self): |
500 | 84e344d4 | Michael Hanselmann | def _LockExclusive(wait): |
501 | 84e344d4 | Michael Hanselmann | self.sl.acquire(shared=0) |
502 | 84e344d4 | Michael Hanselmann | self.done.put("A: start sleep") |
503 | 84e344d4 | Michael Hanselmann | time.sleep(wait) |
504 | 84e344d4 | Michael Hanselmann | self.done.put("A: end sleep") |
505 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
506 | 84e344d4 | Michael Hanselmann | |
507 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
508 | 84e344d4 | Michael Hanselmann | # Start thread to hold lock for 20 ms
|
509 | 84e344d4 | Michael Hanselmann | self._addThread(target=_LockExclusive, args=(20.0 / 1000.0, )) |
510 | 84e344d4 | Michael Hanselmann | |
511 | 2042aa94 | Michael Hanselmann | # Wait for sleep to begin
|
512 | 2042aa94 | Michael Hanselmann | self.assertEqual(self.done.get(), "A: start sleep") |
513 | 2042aa94 | Michael Hanselmann | |
514 | 84e344d4 | Michael Hanselmann | # Wait up to 100 ms to get lock
|
515 | 84e344d4 | Michael Hanselmann | self.failUnless(self.sl.acquire(shared=shared, timeout=0.1)) |
516 | 84e344d4 | Michael Hanselmann | self.done.put("got 2nd") |
517 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
518 | 84e344d4 | Michael Hanselmann | |
519 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
520 | 84e344d4 | Michael Hanselmann | |
521 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "A: end sleep") |
522 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "got 2nd") |
523 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
524 | 84e344d4 | Michael Hanselmann | |
525 | 84e344d4 | Michael Hanselmann | @_Repeat
|
526 | 84e344d4 | Michael Hanselmann | def testAcquireExpiringTimeout(self): |
527 | 84e344d4 | Michael Hanselmann | def _AcquireWithTimeout(shared, timeout): |
528 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=shared, timeout=timeout): |
529 | 84e344d4 | Michael Hanselmann | self.done.put("timeout") |
530 | 84e344d4 | Michael Hanselmann | |
531 | 84e344d4 | Michael Hanselmann | for shared in [0, 1]: |
532 | 84e344d4 | Michael Hanselmann | # Lock exclusively
|
533 | 84e344d4 | Michael Hanselmann | self.sl.acquire()
|
534 | 84e344d4 | Michael Hanselmann | |
535 | 84e344d4 | Michael Hanselmann | # Start shared acquires with timeout between 0 and 20 ms
|
536 | 84e344d4 | Michael Hanselmann | for i in xrange(11): |
537 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireWithTimeout,
|
538 | 84e344d4 | Michael Hanselmann | args=(shared, i * 2.0 / 1000.0)) |
539 | 84e344d4 | Michael Hanselmann | |
540 | 84e344d4 | Michael Hanselmann | # Wait for threads to finish (makes sure the acquire timeout expires
|
541 | 84e344d4 | Michael Hanselmann | # before releasing the lock)
|
542 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
543 | 84e344d4 | Michael Hanselmann | |
544 | 84e344d4 | Michael Hanselmann | # Release lock
|
545 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
546 | 84e344d4 | Michael Hanselmann | |
547 | 84e344d4 | Michael Hanselmann | for _ in xrange(11): |
548 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "timeout") |
549 | 84e344d4 | Michael Hanselmann | |
550 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
551 | 84e344d4 | Michael Hanselmann | |
552 | 84e344d4 | Michael Hanselmann | @_Repeat
|
553 | 84e344d4 | Michael Hanselmann | def testSharedSkipExclusiveAcquires(self): |
554 | 84e344d4 | Michael Hanselmann | # Tests whether shared acquires jump in front of exclusive acquires in the
|
555 | 84e344d4 | Michael Hanselmann | # queue.
|
556 | 84e344d4 | Michael Hanselmann | |
557 | 84e344d4 | Michael Hanselmann | # Get exclusive lock while we fill the queue
|
558 | 84e344d4 | Michael Hanselmann | self.sl.acquire()
|
559 | 84e344d4 | Michael Hanselmann | |
560 | 84e344d4 | Michael Hanselmann | def _Acquire(shared, name): |
561 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=shared): |
562 | 84e344d4 | Michael Hanselmann | return
|
563 | 84e344d4 | Michael Hanselmann | |
564 | 84e344d4 | Michael Hanselmann | self.done.put(name)
|
565 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
566 | 84e344d4 | Michael Hanselmann | |
567 | 84e344d4 | Michael Hanselmann | # Start shared acquires
|
568 | 84e344d4 | Michael Hanselmann | for _ in xrange(5): |
569 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(1, "shared A")) |
570 | 84e344d4 | Michael Hanselmann | |
571 | 84e344d4 | Michael Hanselmann | # Start exclusive acquires
|
572 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
573 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(0, "exclusive B")) |
574 | 84e344d4 | Michael Hanselmann | |
575 | 84e344d4 | Michael Hanselmann | # More shared acquires
|
576 | 84e344d4 | Michael Hanselmann | for _ in xrange(5): |
577 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(1, "shared C")) |
578 | 84e344d4 | Michael Hanselmann | |
579 | 84e344d4 | Michael Hanselmann | # More exclusive acquires
|
580 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
581 | 84e344d4 | Michael Hanselmann | self._addThread(target=_Acquire, args=(0, "exclusive D")) |
582 | 84e344d4 | Michael Hanselmann | |
583 | 84e344d4 | Michael Hanselmann | # Expect 6 pending exclusive acquires and 1 for all shared acquires
|
584 | 2042aa94 | Michael Hanselmann | # together. There's no way to wait for SharedLock.acquire to start
|
585 | 2042aa94 | Michael Hanselmann | # its work. Hence the timeout of 2 seconds.
|
586 | 2042aa94 | Michael Hanselmann | pending = 0
|
587 | 2042aa94 | Michael Hanselmann | end_time = time.time() + 2.0
|
588 | 2042aa94 | Michael Hanselmann | while time.time() < end_time:
|
589 | 2042aa94 | Michael Hanselmann | pending = self.sl._count_pending()
|
590 | 2042aa94 | Michael Hanselmann | self.assert_(pending >= 0 and pending <= 7) |
591 | 2042aa94 | Michael Hanselmann | if pending == 7: |
592 | 2042aa94 | Michael Hanselmann | break
|
593 | 2042aa94 | Michael Hanselmann | time.sleep(0.05)
|
594 | 2042aa94 | Michael Hanselmann | self.assertEqual(pending, 7) |
595 | 84e344d4 | Michael Hanselmann | |
596 | 84e344d4 | Michael Hanselmann | # Release exclusive lock and wait
|
597 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
598 | 84e344d4 | Michael Hanselmann | |
599 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
600 | 84e344d4 | Michael Hanselmann | |
601 | 84e344d4 | Michael Hanselmann | # Check sequence
|
602 | 2042aa94 | Michael Hanselmann | shr_a = 0
|
603 | 2042aa94 | Michael Hanselmann | shr_c = 0
|
604 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
605 | 84e344d4 | Michael Hanselmann | # Shared locks aren't guaranteed to be notified in order, but they'll be
|
606 | 84e344d4 | Michael Hanselmann | # first
|
607 | 2042aa94 | Michael Hanselmann | tmp = self.done.get_nowait()
|
608 | 2042aa94 | Michael Hanselmann | if tmp == "shared A": |
609 | 2042aa94 | Michael Hanselmann | shr_a += 1
|
610 | 2042aa94 | Michael Hanselmann | elif tmp == "shared C": |
611 | 2042aa94 | Michael Hanselmann | shr_c += 1
|
612 | 2042aa94 | Michael Hanselmann | self.assertEqual(shr_a, 5) |
613 | 2042aa94 | Michael Hanselmann | self.assertEqual(shr_c, 5) |
614 | 84e344d4 | Michael Hanselmann | |
615 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
616 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive B") |
617 | 84e344d4 | Michael Hanselmann | |
618 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
619 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive D") |
620 | 84e344d4 | Michael Hanselmann | |
621 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
622 | 84e344d4 | Michael Hanselmann | |
623 | 84e344d4 | Michael Hanselmann | @_Repeat
|
624 | 84e344d4 | Michael Hanselmann | def testMixedAcquireTimeout(self): |
625 | 84e344d4 | Michael Hanselmann | sync = threading.Condition() |
626 | 84e344d4 | Michael Hanselmann | |
627 | 84e344d4 | Michael Hanselmann | def _AcquireShared(ev): |
628 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=1, timeout=None): |
629 | 84e344d4 | Michael Hanselmann | return
|
630 | 84e344d4 | Michael Hanselmann | |
631 | 84e344d4 | Michael Hanselmann | self.done.put("shared") |
632 | 84e344d4 | Michael Hanselmann | |
633 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
634 | 84e344d4 | Michael Hanselmann | ev.set() |
635 | 84e344d4 | Michael Hanselmann | |
636 | 84e344d4 | Michael Hanselmann | # Wait for notification
|
637 | 84e344d4 | Michael Hanselmann | sync.acquire() |
638 | 84e344d4 | Michael Hanselmann | try:
|
639 | 84e344d4 | Michael Hanselmann | sync.wait() |
640 | 84e344d4 | Michael Hanselmann | finally:
|
641 | 84e344d4 | Michael Hanselmann | sync.release() |
642 | 84e344d4 | Michael Hanselmann | |
643 | 84e344d4 | Michael Hanselmann | # Release lock
|
644 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
645 | 84e344d4 | Michael Hanselmann | |
646 | 84e344d4 | Michael Hanselmann | acquires = [] |
647 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
648 | 84e344d4 | Michael Hanselmann | ev = threading.Event() |
649 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireShared, args=(ev, ))
|
650 | 84e344d4 | Michael Hanselmann | acquires.append(ev) |
651 | 84e344d4 | Michael Hanselmann | |
652 | 84e344d4 | Michael Hanselmann | # Wait for all acquires to finish
|
653 | 84e344d4 | Michael Hanselmann | for i in acquires: |
654 | 84e344d4 | Michael Hanselmann | i.wait() |
655 | 84e344d4 | Michael Hanselmann | |
656 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
657 | 84e344d4 | Michael Hanselmann | |
658 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
659 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
660 | 84e344d4 | Michael Hanselmann | |
661 | 84e344d4 | Michael Hanselmann | # Acquire exclusive without timeout
|
662 | 84e344d4 | Michael Hanselmann | exclsync = threading.Condition() |
663 | 84e344d4 | Michael Hanselmann | exclev = threading.Event() |
664 | 84e344d4 | Michael Hanselmann | |
665 | 84e344d4 | Michael Hanselmann | def _AcquireExclusive(): |
666 | 84e344d4 | Michael Hanselmann | if not self.sl.acquire(shared=0): |
667 | 84e344d4 | Michael Hanselmann | return
|
668 | 84e344d4 | Michael Hanselmann | |
669 | 84e344d4 | Michael Hanselmann | self.done.put("exclusive") |
670 | 84e344d4 | Michael Hanselmann | |
671 | 84e344d4 | Michael Hanselmann | # Notify main thread
|
672 | 84e344d4 | Michael Hanselmann | exclev.set() |
673 | 84e344d4 | Michael Hanselmann | |
674 | 84e344d4 | Michael Hanselmann | exclsync.acquire() |
675 | 84e344d4 | Michael Hanselmann | try:
|
676 | 84e344d4 | Michael Hanselmann | exclsync.wait() |
677 | 84e344d4 | Michael Hanselmann | finally:
|
678 | 84e344d4 | Michael Hanselmann | exclsync.release() |
679 | 84e344d4 | Michael Hanselmann | |
680 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
681 | 84e344d4 | Michael Hanselmann | |
682 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireExclusive)
|
683 | 84e344d4 | Michael Hanselmann | |
684 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
685 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
686 | 84e344d4 | Michael Hanselmann | |
687 | 84e344d4 | Michael Hanselmann | # Make all shared holders release their locks
|
688 | 84e344d4 | Michael Hanselmann | sync.acquire() |
689 | 84e344d4 | Michael Hanselmann | try:
|
690 | 84e344d4 | Michael Hanselmann | sync.notifyAll() |
691 | 84e344d4 | Michael Hanselmann | finally:
|
692 | 84e344d4 | Michael Hanselmann | sync.release() |
693 | 84e344d4 | Michael Hanselmann | |
694 | 84e344d4 | Michael Hanselmann | # Wait for exclusive acquire to succeed
|
695 | 84e344d4 | Michael Hanselmann | exclev.wait() |
696 | 84e344d4 | Michael Hanselmann | |
697 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
698 | 84e344d4 | Michael Hanselmann | |
699 | 84e344d4 | Michael Hanselmann | # Try to get exclusive lock
|
700 | 84e344d4 | Michael Hanselmann | self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
701 | 84e344d4 | Michael Hanselmann | |
702 | 84e344d4 | Michael Hanselmann | def _AcquireSharedSimple(): |
703 | 84e344d4 | Michael Hanselmann | if self.sl.acquire(shared=1, timeout=None): |
704 | 84e344d4 | Michael Hanselmann | self.done.put("shared2") |
705 | 84e344d4 | Michael Hanselmann | self.sl.release()
|
706 | 84e344d4 | Michael Hanselmann | |
707 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
708 | 84e344d4 | Michael Hanselmann | self._addThread(target=_AcquireSharedSimple)
|
709 | 84e344d4 | Michael Hanselmann | |
710 | 84e344d4 | Michael Hanselmann | # Tell exclusive lock to release
|
711 | 84e344d4 | Michael Hanselmann | exclsync.acquire() |
712 | 84e344d4 | Michael Hanselmann | try:
|
713 | 84e344d4 | Michael Hanselmann | exclsync.notifyAll() |
714 | 84e344d4 | Michael Hanselmann | finally:
|
715 | 84e344d4 | Michael Hanselmann | exclsync.release() |
716 | 84e344d4 | Michael Hanselmann | |
717 | 84e344d4 | Michael Hanselmann | # Wait for everything to finish
|
718 | 84e344d4 | Michael Hanselmann | self._waitThreads()
|
719 | 84e344d4 | Michael Hanselmann | |
720 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.sl._count_pending(), 0) |
721 | 84e344d4 | Michael Hanselmann | |
722 | 84e344d4 | Michael Hanselmann | # Check sequence
|
723 | 84e344d4 | Michael Hanselmann | for _ in xrange(3): |
724 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared") |
725 | 84e344d4 | Michael Hanselmann | |
726 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "exclusive") |
727 | 84e344d4 | Michael Hanselmann | |
728 | 84e344d4 | Michael Hanselmann | for _ in xrange(10): |
729 | 84e344d4 | Michael Hanselmann | self.assertEqual(self.done.get_nowait(), "shared2") |
730 | 84e344d4 | Michael Hanselmann | |
731 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
732 | 84e344d4 | Michael Hanselmann | |
733 | 162c1c1f | Guido Trotter | |
734 | 4607c978 | Iustin Pop | class TestSSynchronizedDecorator(_ThreadedTestCase): |
735 | 42a999d1 | Guido Trotter | """Shared Lock Synchronized decorator test"""
|
736 | 42a999d1 | Guido Trotter | |
737 | 42a999d1 | Guido Trotter | def setUp(self): |
738 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
739 | 42a999d1 | Guido Trotter | |
740 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock)
|
741 | 42a999d1 | Guido Trotter | def _doItExclusive(self): |
742 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned())
|
743 | 42a999d1 | Guido Trotter | self.done.put('EXC') |
744 | 42a999d1 | Guido Trotter | |
745 | 42a999d1 | Guido Trotter | @locking.ssynchronized(_decoratorlock, shared=1) |
746 | 42a999d1 | Guido Trotter | def _doItSharer(self): |
747 | 42a999d1 | Guido Trotter | self.assert_(_decoratorlock._is_owned(shared=1)) |
748 | 42a999d1 | Guido Trotter | self.done.put('SHR') |
749 | 42a999d1 | Guido Trotter | |
750 | 42a999d1 | Guido Trotter | def testDecoratedFunctions(self): |
751 | 42a999d1 | Guido Trotter | self._doItExclusive()
|
752 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
753 | 42a999d1 | Guido Trotter | self._doItSharer()
|
754 | 42a999d1 | Guido Trotter | self.assert_(not _decoratorlock._is_owned()) |
755 | 42a999d1 | Guido Trotter | |
756 | 42a999d1 | Guido Trotter | def testSharersCanCoexist(self): |
757 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
758 | 84e344d4 | Michael Hanselmann | threading.Thread(target=self._doItSharer).start()
|
759 | 42a999d1 | Guido Trotter | self.assert_(self.done.get(True, 1)) |
760 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
761 | 42a999d1 | Guido Trotter | |
762 | 4607c978 | Iustin Pop | @_Repeat
|
763 | 42a999d1 | Guido Trotter | def testExclusiveBlocksExclusive(self): |
764 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
765 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
766 | 42a999d1 | Guido Trotter | # give it a bit of time to check that it's not actually doing anything
|
767 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
768 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
769 | 4607c978 | Iustin Pop | self._waitThreads()
|
770 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
771 | 42a999d1 | Guido Trotter | |
772 | 4607c978 | Iustin Pop | @_Repeat
|
773 | 42a999d1 | Guido Trotter | def testExclusiveBlocksSharer(self): |
774 | 42a999d1 | Guido Trotter | _decoratorlock.acquire() |
775 | 4607c978 | Iustin Pop | self._addThread(target=self._doItSharer) |
776 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
777 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
778 | 4607c978 | Iustin Pop | self._waitThreads()
|
779 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
780 | 42a999d1 | Guido Trotter | |
781 | 4607c978 | Iustin Pop | @_Repeat
|
782 | 42a999d1 | Guido Trotter | def testSharerBlocksExclusive(self): |
783 | 42a999d1 | Guido Trotter | _decoratorlock.acquire(shared=1)
|
784 | 4607c978 | Iustin Pop | self._addThread(target=self._doItExclusive) |
785 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
786 | 42a999d1 | Guido Trotter | _decoratorlock.release() |
787 | 4607c978 | Iustin Pop | self._waitThreads()
|
788 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
789 | 42a999d1 | Guido Trotter | |
790 | 42a999d1 | Guido Trotter | |
791 | 4607c978 | Iustin Pop | class TestLockSet(_ThreadedTestCase): |
792 | aaae9bc0 | Guido Trotter | """LockSet tests"""
|
793 | aaae9bc0 | Guido Trotter | |
794 | aaae9bc0 | Guido Trotter | def setUp(self): |
795 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
796 | 4607c978 | Iustin Pop | self._setUpLS()
|
797 | aaae9bc0 | Guido Trotter | |
798 | 4607c978 | Iustin Pop | def _setUpLS(self): |
799 | 4607c978 | Iustin Pop | """Helper to (re)initialize the lock set"""
|
800 | 4607c978 | Iustin Pop | self.resources = ['one', 'two', 'three'] |
801 | 4607c978 | Iustin Pop | self.ls = locking.LockSet(members=self.resources) |
802 | 4607c978 | Iustin Pop | |
803 | aaae9bc0 | Guido Trotter | def testResources(self): |
804 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._names(), set(self.resources)) |
805 | aaae9bc0 | Guido Trotter | newls = locking.LockSet() |
806 | aaae9bc0 | Guido Trotter | self.assertEquals(newls._names(), set()) |
807 | aaae9bc0 | Guido Trotter | |
808 | aaae9bc0 | Guido Trotter | def testAcquireRelease(self): |
809 | 0cc00929 | Guido Trotter | self.assert_(self.ls.acquire('one')) |
810 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
811 | aaae9bc0 | Guido Trotter | self.ls.release()
|
812 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
813 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
814 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one'])) |
815 | aaae9bc0 | Guido Trotter | self.ls.release()
|
816 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
817 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'three']) |
818 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
819 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
820 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
821 | aaae9bc0 | Guido Trotter | self.ls.release(['three']) |
822 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['two'])) |
823 | aaae9bc0 | Guido Trotter | self.ls.release()
|
824 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
825 | 0cc00929 | Guido Trotter | self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
826 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
827 | aaae9bc0 | Guido Trotter | self.ls.release()
|
828 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
829 | aaae9bc0 | Guido Trotter | |
830 | aaae9bc0 | Guido Trotter | def testNoDoubleAcquire(self): |
831 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
832 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, 'one') |
833 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
834 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
835 | aaae9bc0 | Guido Trotter | self.ls.release()
|
836 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three']) |
837 | aaae9bc0 | Guido Trotter | self.ls.release('one') |
838 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
839 | aaae9bc0 | Guido Trotter | self.ls.release('three') |
840 | aaae9bc0 | Guido Trotter | |
841 | aaae9bc0 | Guido Trotter | def testNoWrongRelease(self): |
842 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
843 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
844 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release, 'two') |
845 | aaae9bc0 | Guido Trotter | |
846 | aaae9bc0 | Guido Trotter | def testAddRemove(self): |
847 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
848 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
849 | aaae9bc0 | Guido Trotter | self.assert_('four' in self.ls._names()) |
850 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six', 'seven'], acquired=1) |
851 | aaae9bc0 | Guido Trotter | self.assert_('five' in self.ls._names()) |
852 | aaae9bc0 | Guido Trotter | self.assert_('six' in self.ls._names()) |
853 | aaae9bc0 | Guido Trotter | self.assert_('seven' in self.ls._names()) |
854 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
855 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
856 | aaae9bc0 | Guido Trotter | self.assert_('five' not in self.ls._names()) |
857 | aaae9bc0 | Guido Trotter | self.assert_('six' not in self.ls._names()) |
858 | aaae9bc0 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['seven'])) |
859 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight', acquired=1) |
860 | aaae9bc0 | Guido Trotter | self.ls.remove('seven') |
861 | aaae9bc0 | Guido Trotter | self.assert_('seven' not in self.ls._names()) |
862 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set([])) |
863 | d2aff862 | Guido Trotter | self.ls.acquire(None, shared=1) |
864 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'eight') |
865 | d2aff862 | Guido Trotter | self.ls.release()
|
866 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
867 | d2aff862 | Guido Trotter | self.ls.add('eight', acquired=1) |
868 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._names()) |
869 | d2aff862 | Guido Trotter | self.assert_('eight' in self.ls._list_owned()) |
870 | d2aff862 | Guido Trotter | self.ls.add('nine') |
871 | d2aff862 | Guido Trotter | self.assert_('nine' in self.ls._names()) |
872 | d2aff862 | Guido Trotter | self.assert_('nine' not in self.ls._list_owned()) |
873 | aaae9bc0 | Guido Trotter | self.ls.release()
|
874 | aaae9bc0 | Guido Trotter | self.ls.remove(['two']) |
875 | aaae9bc0 | Guido Trotter | self.assert_('two' not in self.ls._names()) |
876 | aaae9bc0 | Guido Trotter | self.ls.acquire('three') |
877 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['three']), ['three']) |
878 | aaae9bc0 | Guido Trotter | self.assert_('three' not in self.ls._names()) |
879 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove('three'), []) |
880 | 3f404fc5 | Guido Trotter | self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
881 | aaae9bc0 | Guido Trotter | self.assert_('one' not in self.ls._names()) |
882 | aaae9bc0 | Guido Trotter | |
883 | aaae9bc0 | Guido Trotter | def testRemoveNonBlocking(self): |
884 | aaae9bc0 | Guido Trotter | self.ls.acquire('one') |
885 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove('one'), ['one']) |
886 | aaae9bc0 | Guido Trotter | self.ls.acquire(['two', 'three']) |
887 | 5e0a6daf | Michael Hanselmann | self.assertEquals(self.ls.remove(['two', 'three']), |
888 | 3f404fc5 | Guido Trotter | ['two', 'three']) |
889 | aaae9bc0 | Guido Trotter | |
890 | aaae9bc0 | Guido Trotter | def testNoDoubleAdd(self): |
891 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'two') |
892 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
893 | aaae9bc0 | Guido Trotter | self.assertRaises(errors.LockError, self.ls.add, 'four') |
894 | aaae9bc0 | Guido Trotter | |
895 | aaae9bc0 | Guido Trotter | def testNoWrongRemoves(self): |
896 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'three'], shared=1) |
897 | aaae9bc0 | Guido Trotter | # Cannot remove 'two' while holding something which is not a superset
|
898 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'two') |
899 | aaae9bc0 | Guido Trotter | # Cannot remove 'three' as we are sharing it
|
900 | aaae9bc0 | Guido Trotter | self.assertRaises(AssertionError, self.ls.remove, 'three') |
901 | aaae9bc0 | Guido Trotter | |
902 | 3b7ed473 | Guido Trotter | def testAcquireSetLock(self): |
903 | 3b7ed473 | Guido Trotter | # acquire the set-lock exclusively
|
904 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
905 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
906 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
907 | d4803c24 | Guido Trotter | self.assertEquals(self.ls._names(), set(['one', 'two', 'three'])) |
908 | 3b7ed473 | Guido Trotter | # I can still add/remove elements...
|
909 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
910 | 3b7ed473 | Guido Trotter | self.assert_(self.ls.add('six')) |
911 | 3b7ed473 | Guido Trotter | self.ls.release()
|
912 | 3b7ed473 | Guido Trotter | # share the set-lock
|
913 | 3b7ed473 | Guido Trotter | self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
914 | 3b7ed473 | Guido Trotter | # adding new elements is not possible
|
915 | 3b7ed473 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'five') |
916 | 3b7ed473 | Guido Trotter | self.ls.release()
|
917 | 3b7ed473 | Guido Trotter | |
918 | d4f6a91c | Guido Trotter | def testAcquireWithRepetitions(self): |
919 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
920 | d4f6a91c | Guido Trotter | set(['two', 'two', 'three'])) |
921 | d4f6a91c | Guido Trotter | self.ls.release(['two', 'two']) |
922 | d4f6a91c | Guido Trotter | self.assertEquals(self.ls._list_owned(), set(['three'])) |
923 | d4f6a91c | Guido Trotter | |
924 | 2e1d6d96 | Guido Trotter | def testEmptyAcquire(self): |
925 | 2e1d6d96 | Guido Trotter | # Acquire an empty list of locks...
|
926 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([]), set()) |
927 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
928 | 2e1d6d96 | Guido Trotter | # New locks can still be addded
|
929 | 2e1d6d96 | Guido Trotter | self.assert_(self.ls.add('six')) |
930 | 2e1d6d96 | Guido Trotter | # "re-acquiring" is not an issue, since we had really acquired nothing
|
931 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls.acquire([], shared=1), set()) |
932 | 2e1d6d96 | Guido Trotter | self.assertEquals(self.ls._list_owned(), set()) |
933 | 2e1d6d96 | Guido Trotter | # We haven't really acquired anything, so we cannot release
|
934 | 2e1d6d96 | Guido Trotter | self.assertRaises(AssertionError, self.ls.release) |
935 | 2e1d6d96 | Guido Trotter | |
936 | 84e344d4 | Michael Hanselmann | def _doLockSet(self, names, shared): |
937 | aaae9bc0 | Guido Trotter | try:
|
938 | 84e344d4 | Michael Hanselmann | self.ls.acquire(names, shared=shared)
|
939 | aaae9bc0 | Guido Trotter | self.done.put('DONE') |
940 | aaae9bc0 | Guido Trotter | self.ls.release()
|
941 | aaae9bc0 | Guido Trotter | except errors.LockError:
|
942 | aaae9bc0 | Guido Trotter | self.done.put('ERR') |
943 | aaae9bc0 | Guido Trotter | |
944 | 84e344d4 | Michael Hanselmann | def _doAddSet(self, names): |
945 | 3b7ed473 | Guido Trotter | try:
|
946 | 84e344d4 | Michael Hanselmann | self.ls.add(names, acquired=1) |
947 | 3b7ed473 | Guido Trotter | self.done.put('DONE') |
948 | 3b7ed473 | Guido Trotter | self.ls.release()
|
949 | 3b7ed473 | Guido Trotter | except errors.LockError:
|
950 | 3b7ed473 | Guido Trotter | self.done.put('ERR') |
951 | 3b7ed473 | Guido Trotter | |
952 | 84e344d4 | Michael Hanselmann | def _doRemoveSet(self, names): |
953 | 84e344d4 | Michael Hanselmann | self.done.put(self.ls.remove(names)) |
954 | aaae9bc0 | Guido Trotter | |
955 | 4607c978 | Iustin Pop | @_Repeat
|
956 | aaae9bc0 | Guido Trotter | def testConcurrentSharedAcquire(self): |
957 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two'], shared=1) |
958 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
959 | 4607c978 | Iustin Pop | self._waitThreads()
|
960 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
961 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)) |
962 | 4607c978 | Iustin Pop | self._waitThreads()
|
963 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
964 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
965 | 4607c978 | Iustin Pop | self._waitThreads()
|
966 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
967 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
968 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
969 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
970 | aaae9bc0 | Guido Trotter | self.ls.release()
|
971 | 4607c978 | Iustin Pop | self._waitThreads()
|
972 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
973 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
974 | aaae9bc0 | Guido Trotter | |
975 | 4607c978 | Iustin Pop | @_Repeat
|
976 | aaae9bc0 | Guido Trotter | def testConcurrentExclusiveAcquire(self): |
977 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two']) |
978 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 1)) |
979 | 4607c978 | Iustin Pop | self._waitThreads()
|
980 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
981 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('three', 0)) |
982 | 4607c978 | Iustin Pop | self._waitThreads()
|
983 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
984 | 84e344d4 | Michael Hanselmann | self.assertRaises(Queue.Empty, self.done.get_nowait) |
985 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
986 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
987 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 0)) |
988 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=('one', 1)) |
989 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
990 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two', 'three'], 1)) |
991 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
992 | aaae9bc0 | Guido Trotter | self.ls.release()
|
993 | 4607c978 | Iustin Pop | self._waitThreads()
|
994 | 4607c978 | Iustin Pop | for _ in range(6): |
995 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
996 | aaae9bc0 | Guido Trotter | |
997 | 4607c978 | Iustin Pop | @_Repeat
|
998 | aaae9bc0 | Guido Trotter | def testConcurrentRemove(self): |
999 | aaae9bc0 | Guido Trotter | self.ls.add('four') |
1000 | aaae9bc0 | Guido Trotter | self.ls.acquire(['one', 'two', 'four']) |
1001 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 0)) |
1002 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'four'], 1)) |
1003 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
1004 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
1005 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1006 | aaae9bc0 | Guido Trotter | self.ls.remove('one') |
1007 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1008 | 4607c978 | Iustin Pop | self._waitThreads()
|
1009 | 4607c978 | Iustin Pop | for i in range(4): |
1010 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'ERR') |
1011 | aaae9bc0 | Guido Trotter | self.ls.add(['five', 'six'], acquired=1) |
1012 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 1)) |
1013 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three', 'six'], 0)) |
1014 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 1)) |
1015 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['four', 'six'], 0)) |
1016 | aaae9bc0 | Guido Trotter | self.ls.remove('five') |
1017 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1018 | 4607c978 | Iustin Pop | self._waitThreads()
|
1019 | 4607c978 | Iustin Pop | for i in range(4): |
1020 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
1021 | aaae9bc0 | Guido Trotter | self.ls.acquire(['three', 'four']) |
1022 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['four', 'six'], )) |
1023 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1024 | aaae9bc0 | Guido Trotter | self.ls.remove('four') |
1025 | 4607c978 | Iustin Pop | self._waitThreads()
|
1026 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['six']) |
1027 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'])) |
1028 | 4607c978 | Iustin Pop | self._waitThreads()
|
1029 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), ['two']) |
1030 | aaae9bc0 | Guido Trotter | self.ls.release()
|
1031 | 4607c978 | Iustin Pop | # reset lockset
|
1032 | 4607c978 | Iustin Pop | self._setUpLS()
|
1033 | aaae9bc0 | Guido Trotter | |
1034 | 4607c978 | Iustin Pop | @_Repeat
|
1035 | 3b7ed473 | Guido Trotter | def testConcurrentSharedSetLock(self): |
1036 | 3b7ed473 | Guido Trotter | # share the set-lock...
|
1037 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=1) |
1038 | 3b7ed473 | Guido Trotter | # ...another thread can share it too
|
1039 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1040 | 4607c978 | Iustin Pop | self._waitThreads()
|
1041 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1042 | 3b7ed473 | Guido Trotter | # ...or just share some elements
|
1043 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['one', 'three'], 1)) |
1044 | 4607c978 | Iustin Pop | self._waitThreads()
|
1045 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1046 | 3b7ed473 | Guido Trotter | # ...but not add new ones or remove any
|
1047 | 4607c978 | Iustin Pop | t = self._addThread(target=self._doAddSet, args=(['nine'])) |
1048 | 4607c978 | Iustin Pop | self._addThread(target=self._doRemoveSet, args=(['two'], )) |
1049 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1050 | 3b7ed473 | Guido Trotter | # this just releases the set-lock
|
1051 | 3b7ed473 | Guido Trotter | self.ls.release([])
|
1052 | 4607c978 | Iustin Pop | t.join(60)
|
1053 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1054 | 3b7ed473 | Guido Trotter | # release the lock on the actual elements so remove() can proceed too
|
1055 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1056 | 4607c978 | Iustin Pop | self._waitThreads()
|
1057 | 4607c978 | Iustin Pop | self.failUnlessEqual(self.done.get_nowait(), ['two']) |
1058 | 4607c978 | Iustin Pop | # reset lockset
|
1059 | 4607c978 | Iustin Pop | self._setUpLS()
|
1060 | 3b7ed473 | Guido Trotter | |
1061 | 4607c978 | Iustin Pop | @_Repeat
|
1062 | 3b7ed473 | Guido Trotter | def testConcurrentExclusiveSetLock(self): |
1063 | 3b7ed473 | Guido Trotter | # acquire the set-lock...
|
1064 | 3b7ed473 | Guido Trotter | self.ls.acquire(None, shared=0) |
1065 | 3b7ed473 | Guido Trotter | # ...no one can do anything else
|
1066 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1067 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1068 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['three'], 0)) |
1069 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(['two'], 1)) |
1070 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1071 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1072 | 3b7ed473 | Guido Trotter | self.ls.release()
|
1073 | 4607c978 | Iustin Pop | self._waitThreads()
|
1074 | 4607c978 | Iustin Pop | for _ in range(5): |
1075 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get(True, 1), 'DONE') |
1076 | 4607c978 | Iustin Pop | # cleanup
|
1077 | 4607c978 | Iustin Pop | self._setUpLS()
|
1078 | 3b7ed473 | Guido Trotter | |
1079 | 4607c978 | Iustin Pop | @_Repeat
|
1080 | d2aff862 | Guido Trotter | def testConcurrentSetLockAdd(self): |
1081 | d2aff862 | Guido Trotter | self.ls.acquire('one') |
1082 | d2aff862 | Guido Trotter | # Another thread wants the whole SetLock
|
1083 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1084 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1085 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1086 | d2aff862 | Guido Trotter | self.assertRaises(AssertionError, self.ls.add, 'four') |
1087 | d2aff862 | Guido Trotter | self.ls.release()
|
1088 | 4607c978 | Iustin Pop | self._waitThreads()
|
1089 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1090 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1091 | d2aff862 | Guido Trotter | self.ls.acquire(None) |
1092 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1093 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1094 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1095 | d2aff862 | Guido Trotter | self.ls.add('four') |
1096 | d2aff862 | Guido Trotter | self.ls.add('five', acquired=1) |
1097 | d2aff862 | Guido Trotter | self.ls.add('six', acquired=1, shared=1) |
1098 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._list_owned(), |
1099 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'five', 'six'])) |
1100 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._is_owned(), True) |
1101 | d2aff862 | Guido Trotter | self.assertEquals(self.ls._names(), |
1102 | d2aff862 | Guido Trotter | set(['one', 'two', 'three', 'four', 'five', 'six'])) |
1103 | d2aff862 | Guido Trotter | self.ls.release()
|
1104 | 4607c978 | Iustin Pop | self._waitThreads()
|
1105 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1106 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1107 | 4607c978 | Iustin Pop | self._setUpLS()
|
1108 | d2aff862 | Guido Trotter | |
1109 | 4607c978 | Iustin Pop | @_Repeat
|
1110 | b2dabfd6 | Guido Trotter | def testEmptyLockSet(self): |
1111 | b2dabfd6 | Guido Trotter | # get the set-lock
|
1112 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
1113 | b2dabfd6 | Guido Trotter | # now empty it...
|
1114 | b2dabfd6 | Guido Trotter | self.ls.remove(['one', 'two', 'three']) |
1115 | b2dabfd6 | Guido Trotter | # and adds/locks by another thread still wait
|
1116 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1117 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1118 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 0)) |
1119 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1120 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1121 | 4607c978 | Iustin Pop | self._waitThreads()
|
1122 | 4607c978 | Iustin Pop | for _ in range(3): |
1123 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1124 | b2dabfd6 | Guido Trotter | # empty it again...
|
1125 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.remove(['nine']), ['nine']) |
1126 | b2dabfd6 | Guido Trotter | # now share it...
|
1127 | b2dabfd6 | Guido Trotter | self.assertEqual(self.ls.acquire(None, shared=1), set()) |
1128 | b2dabfd6 | Guido Trotter | # other sharers can go, adds still wait
|
1129 | 4607c978 | Iustin Pop | self._addThread(target=self._doLockSet, args=(None, 1)) |
1130 | 4607c978 | Iustin Pop | self._waitThreads()
|
1131 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1132 | 4607c978 | Iustin Pop | self._addThread(target=self._doAddSet, args=(['nine'])) |
1133 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1134 | b2dabfd6 | Guido Trotter | self.ls.release()
|
1135 | 4607c978 | Iustin Pop | self._waitThreads()
|
1136 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1137 | 4607c978 | Iustin Pop | self._setUpLS()
|
1138 | b2dabfd6 | Guido Trotter | |
1139 | aaae9bc0 | Guido Trotter | |
1140 | 4607c978 | Iustin Pop | class TestGanetiLockManager(_ThreadedTestCase): |
1141 | 7ee7c0c7 | Guido Trotter | |
1142 | 7ee7c0c7 | Guido Trotter | def setUp(self): |
1143 | 4607c978 | Iustin Pop | _ThreadedTestCase.setUp(self)
|
1144 | 7ee7c0c7 | Guido Trotter | self.nodes=['n1', 'n2'] |
1145 | 7ee7c0c7 | Guido Trotter | self.instances=['i1', 'i2', 'i3'] |
1146 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes, |
1147 | 7ee7c0c7 | Guido Trotter | instances=self.instances)
|
1148 | 7ee7c0c7 | Guido Trotter | |
1149 | 7ee7c0c7 | Guido Trotter | def tearDown(self): |
1150 | 7ee7c0c7 | Guido Trotter | # Don't try this at home...
|
1151 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1152 | 7ee7c0c7 | Guido Trotter | |
1153 | 7ee7c0c7 | Guido Trotter | def testLockingConstants(self): |
1154 | 7ee7c0c7 | Guido Trotter | # The locking library internally cheats by assuming its constants have some
|
1155 | 7ee7c0c7 | Guido Trotter | # relationships with each other. Check those hold true.
|
1156 | b10b9d74 | Guido Trotter | # This relationship is also used in the Processor to recursively acquire
|
1157 | b10b9d74 | Guido Trotter | # the right locks. Again, please don't break it.
|
1158 | 7ee7c0c7 | Guido Trotter | for i in range(len(locking.LEVELS)): |
1159 | 7ee7c0c7 | Guido Trotter | self.assertEqual(i, locking.LEVELS[i])
|
1160 | 7ee7c0c7 | Guido Trotter | |
1161 | 7ee7c0c7 | Guido Trotter | def testDoubleGLFails(self): |
1162 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, locking.GanetiLockManager) |
1163 | 7ee7c0c7 | Guido Trotter | |
1164 | 7ee7c0c7 | Guido Trotter | def testLockNames(self): |
1165 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1166 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1167 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1168 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1169 | 7ee7c0c7 | Guido Trotter | |
1170 | 7ee7c0c7 | Guido Trotter | def testInitAndResources(self): |
1171 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1172 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager()
|
1173 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1174 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1175 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1176 | 7ee7c0c7 | Guido Trotter | |
1177 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1178 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(nodes=self.nodes) |
1179 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1180 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1181 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1182 | 7ee7c0c7 | Guido Trotter | |
1183 | 7ee7c0c7 | Guido Trotter | locking.GanetiLockManager._instance = None
|
1184 | 7ee7c0c7 | Guido Trotter | self.GL = locking.GanetiLockManager(instances=self.instances) |
1185 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1186 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1187 | cdb08f44 | Michael Hanselmann | self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1188 | cdb08f44 | Michael Hanselmann | set(self.instances)) |
1189 | 7ee7c0c7 | Guido Trotter | |
1190 | 7ee7c0c7 | Guido Trotter | def testAcquireRelease(self): |
1191 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1192 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
1193 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
1194 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
1195 | 04e1bfaf | Guido Trotter | self.GL.release(locking.LEVEL_NODE, ['n2']) |
1196 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
1197 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1198 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1199 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
1200 | 04e1bfaf | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1201 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1202 | 7ee7c0c7 | Guido Trotter | self.assertRaises(errors.LockError, self.GL.acquire, |
1203 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i5'])
|
1204 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
1205 | 7ee7c0c7 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
1206 | 7ee7c0c7 | Guido Trotter | |
1207 | 90c942d1 | Guido Trotter | def testAcquireWholeSets(self): |
1208 | 90c942d1 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1209 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1210 | 90c942d1 | Guido Trotter | set(self.instances)) |
1211 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1212 | 90c942d1 | Guido Trotter | set(self.instances)) |
1213 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
1214 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1215 | 90c942d1 | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1216 | 90c942d1 | Guido Trotter | set(self.nodes)) |
1217 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1218 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1219 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1220 | d4f6a91c | Guido Trotter | |
1221 | d4f6a91c | Guido Trotter | def testAcquireWholeAndPartial(self): |
1222 | d4f6a91c | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1223 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1224 | d4f6a91c | Guido Trotter | set(self.instances)) |
1225 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1226 | d4f6a91c | Guido Trotter | set(self.instances)) |
1227 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
1228 | d4f6a91c | Guido Trotter | set(['n2'])) |
1229 | d4f6a91c | Guido Trotter | self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1230 | d4f6a91c | Guido Trotter | set(['n2'])) |
1231 | d4f6a91c | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1232 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1233 | 90c942d1 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1234 | 90c942d1 | Guido Trotter | |
1235 | 7ee7c0c7 | Guido Trotter | def testBGLDependency(self): |
1236 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1237 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1', 'n2']) |
1238 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1239 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i3'])
|
1240 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1241 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
1242 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1243 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1244 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1245 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1246 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_NODE)
|
1247 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
1248 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1249 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER, ['BGL'])
|
1250 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.release, |
1251 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_CLUSTER) |
1252 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1253 | 7ee7c0c7 | Guido Trotter | |
1254 | 7ee7c0c7 | Guido Trotter | def testWrongOrder(self): |
1255 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1256 | 04e1bfaf | Guido Trotter | self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
1257 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1258 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_NODE, ['n1'])
|
1259 | 7ee7c0c7 | Guido Trotter | self.assertRaises(AssertionError, self.GL.acquire, |
1260 | 7ee7c0c7 | Guido Trotter | locking.LEVEL_INSTANCE, ['i2'])
|
1261 | 7ee7c0c7 | Guido Trotter | |
1262 | 7ee7c0c7 | Guido Trotter | # Helper function to run as a thread that shared the BGL and then acquires
|
1263 | 7ee7c0c7 | Guido Trotter | # some locks at another level.
|
1264 | 7ee7c0c7 | Guido Trotter | def _doLock(self, level, names, shared): |
1265 | 7ee7c0c7 | Guido Trotter | try:
|
1266 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1267 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(level, names, shared=shared)
|
1268 | 7ee7c0c7 | Guido Trotter | self.done.put('DONE') |
1269 | 7ee7c0c7 | Guido Trotter | self.GL.release(level)
|
1270 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_CLUSTER)
|
1271 | 7ee7c0c7 | Guido Trotter | except errors.LockError:
|
1272 | 7ee7c0c7 | Guido Trotter | self.done.put('ERR') |
1273 | 7ee7c0c7 | Guido Trotter | |
1274 | 4607c978 | Iustin Pop | @_Repeat
|
1275 | 7ee7c0c7 | Guido Trotter | def testConcurrency(self): |
1276 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1277 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1278 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1279 | 4607c978 | Iustin Pop | self._waitThreads()
|
1280 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1281 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
1282 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1283 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1284 | 4607c978 | Iustin Pop | self._waitThreads()
|
1285 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1286 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1287 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i3', 1)) |
1288 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1289 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1290 | 4607c978 | Iustin Pop | self._waitThreads()
|
1291 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1292 | 7ee7c0c7 | Guido Trotter | self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
1293 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1294 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 1)) |
1295 | 4607c978 | Iustin Pop | self._waitThreads()
|
1296 | 4607c978 | Iustin Pop | self.assertEqual(self.done.get_nowait(), 'DONE') |
1297 | 4607c978 | Iustin Pop | self._addThread(target=self._doLock, |
1298 | 4607c978 | Iustin Pop | args=(locking.LEVEL_INSTANCE, 'i2', 0)) |
1299 | 4607c978 | Iustin Pop | self.assertRaises(Queue.Empty, self.done.get_nowait) |
1300 | 7ee7c0c7 | Guido Trotter | self.GL.release(locking.LEVEL_INSTANCE)
|
1301 | 4607c978 | Iustin Pop | self._waitThreads()
|
1302 | 7ee7c0c7 | Guido Trotter | self.assertEqual(self.done.get(True, 1), 'DONE') |
1303 | 4607c978 | Iustin Pop | self.GL.release(locking.LEVEL_CLUSTER, ['BGL']) |
1304 | 7ee7c0c7 | Guido Trotter | |
1305 | 7ee7c0c7 | Guido Trotter | |
1306 | 162c1c1f | Guido Trotter | if __name__ == '__main__': |
1307 | 162c1c1f | Guido Trotter | unittest.main() |
1308 | 162c1c1f | Guido Trotter | #suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
|
1309 | 162c1c1f | Guido Trotter | #unittest.TextTestRunner(verbosity=2).run(suite) |