Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/psutil/tests/runner.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 #!/usr/bin/env python3
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2
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3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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4 # Use of this source code is governed by a BSD-style license that can be
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5 # found in the LICENSE file.
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6
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7 """
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8 Unit test runner, providing new features on top of unittest module:
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9 - colourized output
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10 - parallel run (UNIX only)
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11 - print failures/tracebacks on CTRL+C
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12 - re-run failed tests only (make test-failed)
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13
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14 Invocation examples:
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15 - make test
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16 - make test-failed
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17
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18 Parallel:
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19 - make test-parallel
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20 - make test-process ARGS=--parallel
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21 """
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22
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23 from __future__ import print_function
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24 import atexit
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25 import optparse
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26 import os
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27 import sys
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28 import textwrap
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29 import time
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30 import unittest
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31 try:
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32 import ctypes
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33 except ImportError:
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34 ctypes = None
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35
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36 try:
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37 import concurrencytest # pip install concurrencytest
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38 except ImportError:
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39 concurrencytest = None
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40
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41 import psutil
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42 from psutil._common import hilite
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43 from psutil._common import print_color
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44 from psutil._common import term_supports_colors
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45 from psutil._compat import super
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46 from psutil.tests import CI_TESTING
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47 from psutil.tests import import_module_by_path
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48 from psutil.tests import print_sysinfo
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49 from psutil.tests import reap_children
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50 from psutil.tests import safe_rmpath
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51
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52
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53 VERBOSITY = 2
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54 FAILED_TESTS_FNAME = '.failed-tests.txt'
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55 NWORKERS = psutil.cpu_count() or 1
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56 USE_COLORS = not CI_TESTING and term_supports_colors()
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57
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58 HERE = os.path.abspath(os.path.dirname(__file__))
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59 loadTestsFromTestCase = unittest.defaultTestLoader.loadTestsFromTestCase
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60
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61
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62 def cprint(msg, color, bold=False, file=None):
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63 if file is None:
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64 file = sys.stderr if color == 'red' else sys.stdout
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65 if USE_COLORS:
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66 print_color(msg, color, bold=bold, file=file)
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67 else:
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68 print(msg, file=file)
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69
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70
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71 class TestLoader:
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72
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73 testdir = HERE
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74 skip_files = ['test_memleaks.py']
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75 if "WHEELHOUSE_UPLOADER_USERNAME" in os.environ:
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76 skip_files.extend(['test_osx.py', 'test_linux.py', 'test_posix.py'])
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77
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78 def _get_testmods(self):
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79 return [os.path.join(self.testdir, x)
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80 for x in os.listdir(self.testdir)
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81 if x.startswith('test_') and x.endswith('.py') and
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82 x not in self.skip_files]
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83
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84 def _iter_testmod_classes(self):
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85 """Iterate over all test files in this directory and return
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86 all TestCase classes in them.
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87 """
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88 for path in self._get_testmods():
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89 mod = import_module_by_path(path)
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90 for name in dir(mod):
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91 obj = getattr(mod, name)
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92 if isinstance(obj, type) and \
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93 issubclass(obj, unittest.TestCase):
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94 yield obj
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95
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96 def all(self):
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97 suite = unittest.TestSuite()
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98 for obj in self._iter_testmod_classes():
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99 test = loadTestsFromTestCase(obj)
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100 suite.addTest(test)
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101 return suite
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102
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103 def last_failed(self):
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104 # ...from previously failed test run
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105 suite = unittest.TestSuite()
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106 if not os.path.isfile(FAILED_TESTS_FNAME):
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107 return suite
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108 with open(FAILED_TESTS_FNAME, 'rt') as f:
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109 names = f.read().split()
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110 for n in names:
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111 test = unittest.defaultTestLoader.loadTestsFromName(n)
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112 suite.addTest(test)
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113 return suite
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114
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115 def from_name(self, name):
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116 if name.endswith('.py'):
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117 name = os.path.splitext(os.path.basename(name))[0]
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118 return unittest.defaultTestLoader.loadTestsFromName(name)
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119
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120
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121 class ColouredResult(unittest.TextTestResult):
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122
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123 def addSuccess(self, test):
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124 unittest.TestResult.addSuccess(self, test)
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125 cprint("OK", "green")
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126
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127 def addError(self, test, err):
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128 unittest.TestResult.addError(self, test, err)
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129 cprint("ERROR", "red", bold=True)
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130
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131 def addFailure(self, test, err):
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132 unittest.TestResult.addFailure(self, test, err)
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133 cprint("FAIL", "red")
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134
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135 def addSkip(self, test, reason):
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136 unittest.TestResult.addSkip(self, test, reason)
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137 cprint("skipped: %s" % reason.strip(), "brown")
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138
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139 def printErrorList(self, flavour, errors):
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140 flavour = hilite(flavour, "red", bold=flavour == 'ERROR')
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141 super().printErrorList(flavour, errors)
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142
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143
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144 class ColouredTextRunner(unittest.TextTestRunner):
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145 """
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146 A coloured text runner which also prints failed tests on KeyboardInterrupt
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147 and save failed tests in a file so that they can be re-run.
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148 """
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149 resultclass = ColouredResult if USE_COLORS else unittest.TextTestResult
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150
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151 def __init__(self, *args, **kwargs):
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152 super().__init__(*args, **kwargs)
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153 self.failed_tnames = set()
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154
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155 def _makeResult(self):
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156 # Store result instance so that it can be accessed on
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157 # KeyboardInterrupt.
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158 self.result = super()._makeResult()
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159 return self.result
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160
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161 def _write_last_failed(self):
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162 if self.failed_tnames:
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163 with open(FAILED_TESTS_FNAME, 'wt') as f:
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164 for tname in self.failed_tnames:
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165 f.write(tname + '\n')
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166
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167 def _save_result(self, result):
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168 if not result.wasSuccessful():
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169 for t in result.errors + result.failures:
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170 tname = t[0].id()
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171 self.failed_tnames.add(tname)
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172
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173 def _run(self, suite):
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174 try:
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175 result = super().run(suite)
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176 except (KeyboardInterrupt, SystemExit):
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177 result = self.runner.result
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178 result.printErrors()
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179 raise sys.exit(1)
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180 else:
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181 self._save_result(result)
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182 return result
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183
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184 def _exit(self, success):
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185 if success:
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186 cprint("SUCCESS", "green", bold=True)
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187 safe_rmpath(FAILED_TESTS_FNAME)
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188 sys.exit(0)
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189 else:
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190 cprint("FAILED", "red", bold=True)
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191 self._write_last_failed()
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192 sys.exit(1)
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193
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194 def run(self, suite):
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195 result = self._run(suite)
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196 self._exit(result.wasSuccessful())
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197
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198
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199 class ParallelRunner(ColouredTextRunner):
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200
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201 @staticmethod
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202 def _parallelize(suite):
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203 def fdopen(fd, mode, *kwds):
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204 stream = orig_fdopen(fd, mode)
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205 atexit.register(stream.close)
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206 return stream
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207
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208 # Monkey patch concurrencytest lib bug (fdopen() stream not closed).
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209 # https://github.com/cgoldberg/concurrencytest/issues/11
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210 orig_fdopen = os.fdopen
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211 concurrencytest.os.fdopen = fdopen
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212 forker = concurrencytest.fork_for_tests(NWORKERS)
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213 return concurrencytest.ConcurrentTestSuite(suite, forker)
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214
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215 @staticmethod
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216 def _split_suite(suite):
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217 serial = unittest.TestSuite()
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218 parallel = unittest.TestSuite()
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219 for test in suite:
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220 if test.countTestCases() == 0:
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221 continue
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222 elif isinstance(test, unittest.TestSuite):
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223 test_class = test._tests[0].__class__
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224 elif isinstance(test, unittest.TestCase):
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225 test_class = test
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226 else:
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227 raise TypeError("can't recognize type %r" % test)
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228
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229 if getattr(test_class, '_serialrun', False):
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230 serial.addTest(test)
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231 else:
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232 parallel.addTest(test)
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233 return (serial, parallel)
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234
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235 def run(self, suite):
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236 ser_suite, par_suite = self._split_suite(suite)
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237 par_suite = self._parallelize(par_suite)
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238
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239 # run parallel
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240 cprint("starting parallel tests using %s workers" % NWORKERS,
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241 "green", bold=True)
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242 t = time.time()
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243 par = self._run(par_suite)
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244 par_elapsed = time.time() - t
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245
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246 # At this point we should have N zombies (the workers), which
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247 # will disappear with wait().
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248 orphans = psutil.Process().children()
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249 gone, alive = psutil.wait_procs(orphans, timeout=1)
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250 if alive:
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251 cprint("alive processes %s" % alive, "red")
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252 reap_children()
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253
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254 # run serial
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255 t = time.time()
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256 ser = self._run(ser_suite)
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257 ser_elapsed = time.time() - t
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258
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259 # print
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260 if not par.wasSuccessful() and ser_suite.countTestCases() > 0:
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261 par.printErrors() # print them again at the bottom
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262 par_fails, par_errs, par_skips = map(len, (par.failures,
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263 par.errors,
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264 par.skipped))
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265 ser_fails, ser_errs, ser_skips = map(len, (ser.failures,
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266 ser.errors,
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267 ser.skipped))
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268 print(textwrap.dedent("""
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269 +----------+----------+----------+----------+----------+----------+
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270 | | total | failures | errors | skipped | time |
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271 +----------+----------+----------+----------+----------+----------+
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272 | parallel | %3s | %3s | %3s | %3s | %.2fs |
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273 +----------+----------+----------+----------+----------+----------+
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274 | serial | %3s | %3s | %3s | %3s | %.2fs |
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275 +----------+----------+----------+----------+----------+----------+
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276 """ % (par.testsRun, par_fails, par_errs, par_skips, par_elapsed,
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277 ser.testsRun, ser_fails, ser_errs, ser_skips, ser_elapsed)))
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278 print("Ran %s tests in %.3fs using %s workers" % (
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279 par.testsRun + ser.testsRun, par_elapsed + ser_elapsed, NWORKERS))
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280 ok = par.wasSuccessful() and ser.wasSuccessful()
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281 self._exit(ok)
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282
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283
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284 def get_runner(parallel=False):
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285 def warn(msg):
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286 cprint(msg + " Running serial tests instead.", "red")
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287 if parallel:
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288 if psutil.WINDOWS:
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289 warn("Can't run parallel tests on Windows.")
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290 elif concurrencytest is None:
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291 warn("concurrencytest module is not installed.")
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292 elif NWORKERS == 1:
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293 warn("Only 1 CPU available.")
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294 else:
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295 return ParallelRunner(verbosity=VERBOSITY)
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296 return ColouredTextRunner(verbosity=VERBOSITY)
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297
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298
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299 # Used by test_*,py modules.
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300 def run_from_name(name):
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301 suite = TestLoader().from_name(name)
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302 runner = get_runner()
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303 runner.run(suite)
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304
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305
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306 def setup():
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307 if 'PSUTIL_TESTING' not in os.environ:
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308 # This won't work on Windows but set_testing() below will do it.
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309 os.environ['PSUTIL_TESTING'] = '1'
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310 psutil._psplatform.cext.set_testing()
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311
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312
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313 def main():
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314 setup()
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315 usage = "python3 -m psutil.tests [opts] [test-name]"
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316 parser = optparse.OptionParser(usage=usage, description="run unit tests")
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317 parser.add_option("--last-failed",
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318 action="store_true", default=False,
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319 help="only run last failed tests")
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320 parser.add_option("--parallel",
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321 action="store_true", default=False,
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322 help="run tests in parallel")
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323 opts, args = parser.parse_args()
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324
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325 if not opts.last_failed:
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326 safe_rmpath(FAILED_TESTS_FNAME)
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327
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328 # loader
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329 loader = TestLoader()
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330 if args:
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331 if len(args) > 1:
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332 parser.print_usage()
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333 return sys.exit(1)
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334 else:
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335 suite = loader.from_name(args[0])
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336 elif opts.last_failed:
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337 suite = loader.last_failed()
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338 else:
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339 suite = loader.all()
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340
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341 if CI_TESTING:
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342 print_sysinfo()
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343 runner = get_runner(opts.parallel)
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344 runner.run(suite)
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345
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346
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347 if __name__ == '__main__':
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348 main()