Mercurial > hg
annotate tests/test-lock.py @ 26351:8c7d8d5e1e0f
mercurial: add debugextensions command (issue4676)
Add debugextensions command to help users debug their extension
problems. If there are no extensions command prints nothing,
otherwise it prints names of extension modules. If quiet or
verbose option is not specified it prints(after extensions name)
last version of mercurial in which given module was tested for
non internal modules or not tested with user mercurial version.
If verbose is specified it prints following information for every
extension: extension name, import source, testedwith and buglink
information.
Extensions are printed sorted by extension name.
author | liscju <piotr.listkiewicz@gmail.com> |
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date | Thu, 10 Sep 2015 16:53:07 +0200 |
parents | db4c192cb9b3 |
children | 94dc10834b79 |
rev | line source |
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1 from __future__ import absolute_import |
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2 |
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3 import os |
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4 import silenttestrunner |
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5 import tempfile |
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6 import unittest |
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7 |
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8 from mercurial import ( |
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9 lock, |
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10 scmutil, |
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11 ) |
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12 |
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13 testlockname = 'testlock' |
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14 |
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15 class teststate(object): |
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16 def __init__(self, testcase): |
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17 self._testcase = testcase |
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18 self._acquirecalled = False |
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19 self._releasecalled = False |
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20 self._postreleasecalled = False |
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21 d = tempfile.mkdtemp(dir=os.getcwd()) |
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22 self.vfs = scmutil.vfs(d, audit=False) |
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23 |
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24 def makelock(self, *args, **kwargs): |
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25 l = lock.lock(self.vfs, testlockname, releasefn=self.releasefn, |
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26 acquirefn=self.acquirefn, *args, **kwargs) |
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27 l.postrelease.append(self.postreleasefn) |
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28 return l |
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29 |
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30 def acquirefn(self): |
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31 self._acquirecalled = True |
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32 |
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33 def releasefn(self): |
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34 self._releasecalled = True |
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35 |
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36 def postreleasefn(self): |
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37 self._postreleasecalled = True |
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38 |
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39 def assertacquirecalled(self, called): |
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40 self._testcase.assertEqual( |
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41 self._acquirecalled, called, |
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42 'expected acquire to be %s but was actually %s' % ( |
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43 self._tocalled(called), |
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44 self._tocalled(self._acquirecalled), |
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45 )) |
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46 |
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47 def resetacquirefn(self): |
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48 self._acquirecalled = False |
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49 |
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50 def assertreleasecalled(self, called): |
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51 self._testcase.assertEqual( |
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52 self._releasecalled, called, |
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53 'expected release to be %s but was actually %s' % ( |
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54 self._tocalled(called), |
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55 self._tocalled(self._releasecalled), |
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56 )) |
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57 |
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58 def assertpostreleasecalled(self, called): |
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59 self._testcase.assertEqual( |
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60 self._postreleasecalled, called, |
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61 'expected postrelease to be %s but was actually %s' % ( |
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62 self._tocalled(called), |
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63 self._tocalled(self._postreleasecalled), |
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64 )) |
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65 |
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66 def assertlockexists(self, exists): |
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67 actual = self.vfs.lexists(testlockname) |
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68 self._testcase.assertEqual( |
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69 actual, exists, |
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70 'expected lock to %s but actually did %s' % ( |
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71 self._toexists(exists), |
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72 self._toexists(actual), |
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73 )) |
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74 |
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75 def _tocalled(self, called): |
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76 if called: |
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77 return 'called' |
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78 else: |
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79 return 'not called' |
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80 |
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81 def _toexists(self, exists): |
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82 if exists: |
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83 return 'exists' |
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84 else: |
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85 return 'not exists' |
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86 |
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87 class testlock(unittest.TestCase): |
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88 def testlock(self): |
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89 state = teststate(self) |
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90 lock = state.makelock() |
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91 state.assertacquirecalled(True) |
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92 lock.release() |
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93 state.assertreleasecalled(True) |
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94 state.assertpostreleasecalled(True) |
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95 state.assertlockexists(False) |
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96 |
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97 def testrecursivelock(self): |
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98 state = teststate(self) |
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99 lock = state.makelock() |
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100 state.assertacquirecalled(True) |
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101 |
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102 state.resetacquirefn() |
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103 lock.lock() |
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104 # recursive lock should not call acquirefn again |
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105 state.assertacquirecalled(False) |
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106 |
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107 lock.release() # brings lock refcount down from 2 to 1 |
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108 state.assertreleasecalled(False) |
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109 state.assertpostreleasecalled(False) |
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110 state.assertlockexists(True) |
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111 |
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112 lock.release() # releases the lock |
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113 state.assertreleasecalled(True) |
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114 state.assertpostreleasecalled(True) |
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115 state.assertlockexists(False) |
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116 |
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117 def testlockfork(self): |
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118 state = teststate(self) |
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119 lock = state.makelock() |
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120 state.assertacquirecalled(True) |
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121 lock.lock() |
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122 # fake a fork |
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123 lock.pid += 1 |
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124 lock.release() |
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125 state.assertreleasecalled(False) |
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126 state.assertpostreleasecalled(False) |
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127 state.assertlockexists(True) |
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128 |
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129 # release the actual lock |
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130 lock.pid -= 1 |
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131 lock.release() |
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132 state.assertreleasecalled(True) |
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133 state.assertpostreleasecalled(True) |
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134 state.assertlockexists(False) |
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135 |
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136 if __name__ == '__main__': |
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137 silenttestrunner.main(__name__) |