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@@ -1,137 +1,137 b'' | |||
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1 | 1 | from __future__ import absolute_import |
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2 | 2 | |
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3 | 3 | import os |
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4 | 4 | import silenttestrunner |
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5 | 5 | import tempfile |
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6 | 6 | import unittest |
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7 | 7 | |
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8 | 8 | from mercurial import ( |
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9 | 9 | lock, |
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10 | 10 | scmutil, |
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11 | 11 | ) |
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12 | 12 | |
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13 | 13 | testlockname = 'testlock' |
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14 | 14 | |
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15 | 15 | class teststate(object): |
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16 | 16 | def __init__(self, testcase): |
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17 | 17 | self._testcase = testcase |
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18 | 18 | self._acquirecalled = False |
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19 | 19 | self._releasecalled = False |
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20 | 20 | self._postreleasecalled = False |
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21 | 21 | d = tempfile.mkdtemp(dir=os.getcwd()) |
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22 | 22 | self.vfs = scmutil.vfs(d, audit=False) |
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23 | 23 | |
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24 | 24 | def makelock(self, *args, **kwargs): |
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25 | 25 | l = lock.lock(self.vfs, testlockname, releasefn=self.releasefn, |
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26 | 26 | acquirefn=self.acquirefn, *args, **kwargs) |
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27 | 27 | l.postrelease.append(self.postreleasefn) |
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28 | 28 | return l |
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29 | 29 | |
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30 | 30 | def acquirefn(self): |
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31 | 31 | self._acquirecalled = True |
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32 | 32 | |
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33 | 33 | def releasefn(self): |
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34 | 34 | self._releasecalled = True |
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35 | 35 | |
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36 | 36 | def postreleasefn(self): |
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37 | 37 | self._postreleasecalled = True |
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38 | 38 | |
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39 | 39 | def assertacquirecalled(self, called): |
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40 | 40 | self._testcase.assertEqual( |
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41 | 41 | self._acquirecalled, called, |
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42 | 42 | 'expected acquire to be %s but was actually %s' % ( |
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43 | 43 | self._tocalled(called), |
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44 | 44 | self._tocalled(self._acquirecalled), |
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45 | 45 | )) |
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46 | 46 | |
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47 | 47 | def resetacquirefn(self): |
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48 | 48 | self._acquirecalled = False |
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49 | 49 | |
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50 | 50 | def assertreleasecalled(self, called): |
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51 | 51 | self._testcase.assertEqual( |
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52 | 52 | self._releasecalled, called, |
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53 | 53 | 'expected release to be %s but was actually %s' % ( |
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54 | 54 | self._tocalled(called), |
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55 | 55 | self._tocalled(self._releasecalled), |
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56 | 56 | )) |
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57 | 57 | |
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58 | 58 | def assertpostreleasecalled(self, called): |
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59 | 59 | self._testcase.assertEqual( |
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60 | 60 | self._postreleasecalled, called, |
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61 | 61 | 'expected postrelease to be %s but was actually %s' % ( |
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62 | 62 | self._tocalled(called), |
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63 | 63 | self._tocalled(self._postreleasecalled), |
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64 | 64 | )) |
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65 | 65 | |
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66 | 66 | def assertlockexists(self, exists): |
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67 | 67 | actual = self.vfs.lexists(testlockname) |
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68 | 68 | self._testcase.assertEqual( |
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69 | 69 | actual, exists, |
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70 | 70 | 'expected lock to %s but actually did %s' % ( |
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71 | 71 | self._toexists(exists), |
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72 | 72 | self._toexists(actual), |
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73 | 73 | )) |
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74 | 74 | |
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75 | 75 | def _tocalled(self, called): |
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76 | 76 | if called: |
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77 | 77 | return 'called' |
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78 | 78 | else: |
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79 | 79 | return 'not called' |
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80 | 80 | |
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81 | 81 | def _toexists(self, exists): |
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82 | 82 | if exists: |
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83 |
return 'exist |
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83 | return 'exist' | |
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84 | 84 | else: |
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85 |
return 'not exist |
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85 | return 'not exist' | |
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86 | 86 | |
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87 | 87 | class testlock(unittest.TestCase): |
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88 | 88 | def testlock(self): |
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89 | 89 | state = teststate(self) |
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90 | 90 | lock = state.makelock() |
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91 | 91 | state.assertacquirecalled(True) |
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92 | 92 | lock.release() |
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93 | 93 | state.assertreleasecalled(True) |
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94 | 94 | state.assertpostreleasecalled(True) |
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95 | 95 | state.assertlockexists(False) |
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96 | 96 | |
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97 | 97 | def testrecursivelock(self): |
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98 | 98 | state = teststate(self) |
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99 | 99 | lock = state.makelock() |
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100 | 100 | state.assertacquirecalled(True) |
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101 | 101 | |
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102 | 102 | state.resetacquirefn() |
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103 | 103 | lock.lock() |
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104 | 104 | # recursive lock should not call acquirefn again |
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105 | 105 | state.assertacquirecalled(False) |
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106 | 106 | |
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107 | 107 | lock.release() # brings lock refcount down from 2 to 1 |
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108 | 108 | state.assertreleasecalled(False) |
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109 | 109 | state.assertpostreleasecalled(False) |
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110 | 110 | state.assertlockexists(True) |
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111 | 111 | |
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112 | 112 | lock.release() # releases the lock |
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113 | 113 | state.assertreleasecalled(True) |
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114 | 114 | state.assertpostreleasecalled(True) |
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115 | 115 | state.assertlockexists(False) |
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116 | 116 | |
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117 | 117 | def testlockfork(self): |
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118 | 118 | state = teststate(self) |
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119 | 119 | lock = state.makelock() |
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120 | 120 | state.assertacquirecalled(True) |
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121 | 121 | lock.lock() |
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122 | 122 | # fake a fork |
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123 | 123 | lock.pid += 1 |
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124 | 124 | lock.release() |
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125 | 125 | state.assertreleasecalled(False) |
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126 | 126 | state.assertpostreleasecalled(False) |
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127 | 127 | state.assertlockexists(True) |
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128 | 128 | |
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129 | 129 | # release the actual lock |
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130 | 130 | lock.pid -= 1 |
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131 | 131 | lock.release() |
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132 | 132 | state.assertreleasecalled(True) |
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133 | 133 | state.assertpostreleasecalled(True) |
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134 | 134 | state.assertlockexists(False) |
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135 | 135 | |
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136 | 136 | if __name__ == '__main__': |
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137 | 137 | silenttestrunner.main(__name__) |
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