annotate planemo/lib/python3.7/site-packages/setuptools/command/test.py @ 1:56ad4e20f292 draft

"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 import os
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2 import operator
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3 import sys
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4 import contextlib
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5 import itertools
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6 import unittest
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7 from distutils.errors import DistutilsError, DistutilsOptionError
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8 from distutils import log
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9 from unittest import TestLoader
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10
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11 from setuptools.extern import six
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12 from setuptools.extern.six.moves import map, filter
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13
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14 from pkg_resources import (resource_listdir, resource_exists, normalize_path,
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15 working_set, _namespace_packages, evaluate_marker,
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16 add_activation_listener, require, EntryPoint)
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17 from setuptools import Command
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18 from .build_py import _unique_everseen
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19
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20 __metaclass__ = type
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21
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22
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23 class ScanningLoader(TestLoader):
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24
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25 def __init__(self):
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26 TestLoader.__init__(self)
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27 self._visited = set()
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28
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29 def loadTestsFromModule(self, module, pattern=None):
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30 """Return a suite of all tests cases contained in the given module
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31
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32 If the module is a package, load tests from all the modules in it.
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33 If the module has an ``additional_tests`` function, call it and add
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34 the return value to the tests.
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35 """
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36 if module in self._visited:
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37 return None
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38 self._visited.add(module)
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39
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40 tests = []
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41 tests.append(TestLoader.loadTestsFromModule(self, module))
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42
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43 if hasattr(module, "additional_tests"):
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44 tests.append(module.additional_tests())
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45
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46 if hasattr(module, '__path__'):
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47 for file in resource_listdir(module.__name__, ''):
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48 if file.endswith('.py') and file != '__init__.py':
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49 submodule = module.__name__ + '.' + file[:-3]
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50 else:
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51 if resource_exists(module.__name__, file + '/__init__.py'):
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52 submodule = module.__name__ + '.' + file
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53 else:
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54 continue
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55 tests.append(self.loadTestsFromName(submodule))
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56
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57 if len(tests) != 1:
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58 return self.suiteClass(tests)
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59 else:
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60 return tests[0] # don't create a nested suite for only one return
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61
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62
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63 # adapted from jaraco.classes.properties:NonDataProperty
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64 class NonDataProperty:
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65 def __init__(self, fget):
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66 self.fget = fget
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67
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68 def __get__(self, obj, objtype=None):
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69 if obj is None:
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70 return self
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71 return self.fget(obj)
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72
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73
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74 class test(Command):
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75 """Command to run unit tests after in-place build"""
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76
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77 description = "run unit tests after in-place build"
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78
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79 user_options = [
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80 ('test-module=', 'm', "Run 'test_suite' in specified module"),
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81 ('test-suite=', 's',
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82 "Run single test, case or suite (e.g. 'module.test_suite')"),
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83 ('test-runner=', 'r', "Test runner to use"),
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84 ]
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85
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86 def initialize_options(self):
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87 self.test_suite = None
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88 self.test_module = None
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89 self.test_loader = None
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90 self.test_runner = None
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91
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92 def finalize_options(self):
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93
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94 if self.test_suite and self.test_module:
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95 msg = "You may specify a module or a suite, but not both"
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96 raise DistutilsOptionError(msg)
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97
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98 if self.test_suite is None:
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99 if self.test_module is None:
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100 self.test_suite = self.distribution.test_suite
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101 else:
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102 self.test_suite = self.test_module + ".test_suite"
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103
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104 if self.test_loader is None:
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105 self.test_loader = getattr(self.distribution, 'test_loader', None)
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106 if self.test_loader is None:
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107 self.test_loader = "setuptools.command.test:ScanningLoader"
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108 if self.test_runner is None:
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109 self.test_runner = getattr(self.distribution, 'test_runner', None)
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110
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111 @NonDataProperty
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112 def test_args(self):
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113 return list(self._test_args())
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114
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115 def _test_args(self):
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116 if not self.test_suite and sys.version_info >= (2, 7):
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117 yield 'discover'
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118 if self.verbose:
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119 yield '--verbose'
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120 if self.test_suite:
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121 yield self.test_suite
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122
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123 def with_project_on_sys_path(self, func):
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124 """
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125 Backward compatibility for project_on_sys_path context.
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126 """
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127 with self.project_on_sys_path():
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128 func()
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129
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130 @contextlib.contextmanager
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131 def project_on_sys_path(self, include_dists=[]):
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132 with_2to3 = six.PY3 and getattr(self.distribution, 'use_2to3', False)
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133
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134 if with_2to3:
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135 # If we run 2to3 we can not do this inplace:
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136
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137 # Ensure metadata is up-to-date
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138 self.reinitialize_command('build_py', inplace=0)
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139 self.run_command('build_py')
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140 bpy_cmd = self.get_finalized_command("build_py")
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141 build_path = normalize_path(bpy_cmd.build_lib)
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142
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143 # Build extensions
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144 self.reinitialize_command('egg_info', egg_base=build_path)
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145 self.run_command('egg_info')
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146
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147 self.reinitialize_command('build_ext', inplace=0)
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148 self.run_command('build_ext')
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149 else:
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150 # Without 2to3 inplace works fine:
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151 self.run_command('egg_info')
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152
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153 # Build extensions in-place
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154 self.reinitialize_command('build_ext', inplace=1)
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155 self.run_command('build_ext')
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156
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157 ei_cmd = self.get_finalized_command("egg_info")
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158
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159 old_path = sys.path[:]
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160 old_modules = sys.modules.copy()
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161
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162 try:
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163 project_path = normalize_path(ei_cmd.egg_base)
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164 sys.path.insert(0, project_path)
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165 working_set.__init__()
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166 add_activation_listener(lambda dist: dist.activate())
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167 require('%s==%s' % (ei_cmd.egg_name, ei_cmd.egg_version))
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168 with self.paths_on_pythonpath([project_path]):
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169 yield
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170 finally:
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171 sys.path[:] = old_path
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172 sys.modules.clear()
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173 sys.modules.update(old_modules)
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174 working_set.__init__()
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175
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176 @staticmethod
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177 @contextlib.contextmanager
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178 def paths_on_pythonpath(paths):
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179 """
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180 Add the indicated paths to the head of the PYTHONPATH environment
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181 variable so that subprocesses will also see the packages at
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182 these paths.
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183
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184 Do this in a context that restores the value on exit.
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185 """
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186 nothing = object()
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187 orig_pythonpath = os.environ.get('PYTHONPATH', nothing)
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188 current_pythonpath = os.environ.get('PYTHONPATH', '')
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189 try:
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190 prefix = os.pathsep.join(_unique_everseen(paths))
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191 to_join = filter(None, [prefix, current_pythonpath])
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192 new_path = os.pathsep.join(to_join)
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193 if new_path:
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194 os.environ['PYTHONPATH'] = new_path
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195 yield
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196 finally:
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197 if orig_pythonpath is nothing:
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198 os.environ.pop('PYTHONPATH', None)
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199 else:
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200 os.environ['PYTHONPATH'] = orig_pythonpath
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201
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202 @staticmethod
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203 def install_dists(dist):
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204 """
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205 Install the requirements indicated by self.distribution and
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206 return an iterable of the dists that were built.
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207 """
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208 ir_d = dist.fetch_build_eggs(dist.install_requires)
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209 tr_d = dist.fetch_build_eggs(dist.tests_require or [])
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210 er_d = dist.fetch_build_eggs(
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211 v for k, v in dist.extras_require.items()
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212 if k.startswith(':') and evaluate_marker(k[1:])
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213 )
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214 return itertools.chain(ir_d, tr_d, er_d)
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215
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216 def run(self):
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217 installed_dists = self.install_dists(self.distribution)
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218
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219 cmd = ' '.join(self._argv)
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220 if self.dry_run:
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221 self.announce('skipping "%s" (dry run)' % cmd)
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222 return
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223
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224 self.announce('running "%s"' % cmd)
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225
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226 paths = map(operator.attrgetter('location'), installed_dists)
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227 with self.paths_on_pythonpath(paths):
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228 with self.project_on_sys_path():
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229 self.run_tests()
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230
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231 def run_tests(self):
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232 # Purge modules under test from sys.modules. The test loader will
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233 # re-import them from the build location. Required when 2to3 is used
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234 # with namespace packages.
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235 if six.PY3 and getattr(self.distribution, 'use_2to3', False):
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236 module = self.test_suite.split('.')[0]
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237 if module in _namespace_packages:
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238 del_modules = []
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239 if module in sys.modules:
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240 del_modules.append(module)
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241 module += '.'
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242 for name in sys.modules:
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243 if name.startswith(module):
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244 del_modules.append(name)
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245 list(map(sys.modules.__delitem__, del_modules))
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246
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247 test = unittest.main(
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248 None, None, self._argv,
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249 testLoader=self._resolve_as_ep(self.test_loader),
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250 testRunner=self._resolve_as_ep(self.test_runner),
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251 exit=False,
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252 )
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253 if not test.result.wasSuccessful():
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254 msg = 'Test failed: %s' % test.result
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255 self.announce(msg, log.ERROR)
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256 raise DistutilsError(msg)
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257
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258 @property
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259 def _argv(self):
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260 return ['unittest'] + self.test_args
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261
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262 @staticmethod
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263 def _resolve_as_ep(val):
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264 """
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265 Load the indicated attribute value, called, as a as if it were
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266 specified as an entry point.
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267 """
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268 if val is None:
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269 return
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270 parsed = EntryPoint.parse("x=" + val)
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271 return parsed.resolve()()