annotate MoinMoin/conftest.py @ 4196:42660b499488

Replace conftest-Request with new WSGI-based request
author Florian Krupicka <florian.krupicka@googlemail.com>
date Sat, 28 Jun 2008 17:20:18 +0200
parents 8a1f1a9dd37f
children 1ca179133f01
rev   line source
2006
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1 # -*- coding: iso-8859-1 -*-
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2 """
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3 MoinMoin Testing Framework
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4 --------------------------
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5
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6 All test modules must be named test_modulename to be included in the
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7 test suite. If you are testing a package, name the test module
2006
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8 test_package_module.
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9
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10 Tests that need the current request, for example to create a page
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11 instance, can refer to self.request. It is injected into all test case
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12 classes by the framework.
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13
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14 Tests that require a certain configuration, like section_numbers = 1, must
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15 use a TestConfig to create the required configuration before the test.
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16 Deleting the TestConfig instance will restore the previous configuration.
2006
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17
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18 @copyright: 2005 Nir Soffer, 2007 Alexander Schremmer
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19 @license: GNU GPL, see COPYING for details.
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20 """
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21
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22 import atexit
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23 from sys import modules
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24 import sys
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25
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26 import py
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27
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28
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29 rootdir = py.magic.autopath().dirpath()
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30 moindir = rootdir.join("..")
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31
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32 sys.path.insert(0, str(moindir))
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33 from MoinMoin._tests import maketestwiki, compat
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34 modules["unittest"] = compat # evil hack
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35
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36 sys.path.insert(0, str(moindir.join("tests")))
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37
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38 from MoinMoin.support.python_compatibility import set
2006
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39
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40 coverage_modules = set()
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41
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42
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43 try:
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44 """
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45 This code adds support for coverage.py (see
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46 http://nedbatchelder.com/code/modules/coverage.html).
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47 It prints a coverage report for the modules specified in all
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48 module globals (of the test modules) named "coverage_modules".
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49 """
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50
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51 import coverage
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52
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53 def report_coverage():
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54 coverage.stop()
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55 module_list = [modules[mod] for mod in coverage_modules]
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56 module_list.sort()
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57 coverage.report(module_list)
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58
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59 def callback(option, opt_str, value, parser):
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60 atexit.register(report_coverage)
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61 coverage.erase()
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62 coverage.start()
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63
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64
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65 py.test.config.addoptions('MoinMoin options', py.test.config.Option('-C',
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66 '--coverage', action='callback', callback=callback,
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67 help='Output information about code coverage (slow!)'))
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68
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69 except ImportError:
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70 coverage = None
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71
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72
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73 def init_test_request(static_state=[False]):
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74 from MoinMoin.web.request import create_request
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75 from MoinMoin.wsgiapp import init as request_init
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76 if not static_state[0]:
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77 maketestwiki.run(True)
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78 static_state[0] = True
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79 request = create_request()
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80 request = request_init(request)
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81 return request
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82
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83 class TestConfig:
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84 """ Custom configuration for unit tests
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85
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86 Some tests assume a specific configuration, and will fail if the wiki admin
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87 changed the configuration. For example, DateTime macro test assume
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88 the default datetime_fmt.
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89
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90 When you set custom values in a TestConfig, the previous values are saved,
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91 and when the TestConfig is called specifically, they are restored automatically.
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92
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93 Typical Usage
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94 -------------
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95 ::
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96 class SomeTest:
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97 def setUp(self):
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98 self.config = self.TestConfig(defaults=key_list, key=value,...)
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99 def tearDown(self):
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100 self.config.restore()
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101 def testSomething(self):
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102 # test that needs those defaults and custom values
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103 """
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104
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105 def __init__(self, request):
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106 """ Create temporary configuration for a test
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107
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108 @param request: current request
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109 """
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110 self.request = request
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111 self.old = {} # Old config values
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112 self.new = [] # New added attributes
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113
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114 def __call__(self, defaults=(), **custom):
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115 """ Initialise a temporary configuration for a test
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116
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117 @param defaults: list of keys that should use the default value
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118 @param custom: other keys using non default values, or new keys
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119 that request.cfg does not have already
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120 """
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121 self.setDefaults(defaults)
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122 self.setCustom(**custom)
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123
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124 return self
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125
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126 def setDefaults(self, defaults=()):
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127 """ Set default values for keys in defaults list
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128
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129 Non existing default will raise an AttributeError.
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130 """
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131 from MoinMoin.config import multiconfig
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132 for key in defaults:
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133 self._setattr(key, getattr(multiconfig.DefaultConfig, key))
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134
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135 def setCustom(self, **custom):
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136 """ Set custom values """
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137 for key, value in custom.items():
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138 self._setattr(key, value)
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139
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140 def _setattr(self, key, value):
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141 """ Set a new value for key saving new added keys """
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142 if hasattr(self.request.cfg, key):
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143 self.old[key] = getattr(self.request.cfg, key)
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144 else:
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145 self.new.append(key)
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146 setattr(self.request.cfg, key, value)
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147
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148 def restore(self):
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149 """ Restore previous request.cfg
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150
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151 Set old keys to old values and delete new keys.
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152 """
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153 for key, value in self.old.items():
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154 setattr(self.request.cfg, key, value)
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155 for key in self.new:
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156 delattr(self.request.cfg, key)
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157 __del__ = restore # XXX __del__ semantics are currently broken
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158
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159
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160
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161 # py.test customization starts here
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162
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163 class MoinTestFunction(py.test.collect.Function):
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164 def execute(self, target, *args):
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165 request = self.parent.request
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166 co = target.func_code
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167 if 'request' in co.co_varnames[:co.co_argcount]:
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168 target(request, *args)
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169 else:
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170 target(*args)
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171
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172
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173 class MoinClassCollector(py.test.collect.Class):
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174 Function = MoinTestFunction
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175
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176 def setup(self):
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177 cls = self.obj
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178 cls.request = self.parent.request
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179 cls.TestConfig = TestConfig(cls.request)
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180 super(MoinClassCollector, self).setup()
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181
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182
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183 class Module(py.test.collect.Module):
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184 Class = MoinClassCollector
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185 Function = MoinTestFunction
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186
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187 def __init__(self, *args, **kwargs):
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188 self.request = init_test_request()
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189 super(Module, self).__init__(*args, **kwargs)
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190
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191 def run(self, *args, **kwargs):
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192 if coverage is not None:
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193 coverage_modules.update(getattr(self.obj, 'coverage_modules', []))
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194 return super(Module, self).run(*args, **kwargs)
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195