Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_pkg.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 5c43159f5ad0
children 6768b2350c57
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1 # Test packages (dotted-name import)
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2
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3 import sys
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4 import os
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5 import tempfile
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6 import textwrap
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7 import unittest
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8 from test import test_support
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9
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10
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11 # Helpers to create and destroy hierarchies.
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12
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13 def cleanout(root):
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14 names = os.listdir(root)
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15 for name in names:
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16 fullname = os.path.join(root, name)
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17 if os.path.isdir(fullname) and not os.path.islink(fullname):
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18 cleanout(fullname)
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19 else:
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20 os.remove(fullname)
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21 os.rmdir(root)
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22
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23 def fixdir(lst):
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24 if "__builtins__" in lst:
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25 lst.remove("__builtins__")
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26 return lst
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27
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28
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29 # XXX Things to test
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30 #
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31 # import package without __init__
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32 # import package with __init__
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33 # __init__ importing submodule
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34 # __init__ importing global module
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35 # __init__ defining variables
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36 # submodule importing other submodule
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37 # submodule importing global module
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38 # submodule import submodule via global name
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39 # from package import submodule
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40 # from package import subpackage
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41 # from package import variable (defined in __init__)
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42 # from package import * (defined in __init__)
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43
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44
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45 class Test(unittest.TestCase):
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46
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47 def setUp(self):
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48 self.root = None
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49 self.pkgname = None
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50 self.syspath = list(sys.path)
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51
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52 def tearDown(self):
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53 sys.path[:] = self.syspath
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54 cleanout(self.root)
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55
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56 # delete all modules concerning the tested hiearchy
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57 if self.pkgname:
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58 modules = [name for name in sys.modules
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59 if self.pkgname in name.split('.')]
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60 for name in modules:
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61 del sys.modules[name]
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62
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63 def run_code(self, code):
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64 exec(textwrap.dedent(code), globals(), {"self": self})
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65
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66 def mkhier(self, descr):
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67 root = tempfile.mkdtemp()
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68 sys.path.insert(0, root)
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69 if not os.path.isdir(root):
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70 os.mkdir(root)
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71 for name, contents in descr:
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72 comps = name.split()
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73 fullname = root
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74 for c in comps:
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75 fullname = os.path.join(fullname, c)
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76 if contents is None:
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77 os.mkdir(fullname)
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78 else:
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79 f = open(fullname, "w")
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80 f.write(contents)
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81 if contents and contents[-1] != '\n':
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82 f.write('\n')
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83 f.close()
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84 self.root = root
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85 # package name is the name of the first item
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86 self.pkgname = descr[0][0]
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87
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88 def test_1(self):
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89 hier = [("t1", None), ("t1 __init__"+os.extsep+"py", "")]
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90 self.mkhier(hier)
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91 import t1
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92
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93 def test_2(self):
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94 hier = [
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95 ("t2", None),
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96 ("t2 __init__"+os.extsep+"py", "'doc for t2'"),
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97 ("t2 sub", None),
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98 ("t2 sub __init__"+os.extsep+"py", ""),
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99 ("t2 sub subsub", None),
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100 ("t2 sub subsub __init__"+os.extsep+"py", "spam = 1"),
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101 ]
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102 self.mkhier(hier)
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103
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104 import t2
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105 self.assertEqual(t2.__doc__, "doc for t2")
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106
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107 import t2.sub
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108 import t2.sub.subsub
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109 self.assertEqual(t2.__name__, "t2")
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110 self.assertEqual(t2.sub.__name__, "t2.sub")
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111 self.assertEqual(t2.sub.subsub.__name__, "t2.sub.subsub")
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112
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113 # This exec crap is needed because Py3k forbids 'import *' outside
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114 # of module-scope and __import__() is insufficient for what we need.
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115 s = """
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116 import t2
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117 from t2 import *
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118 self.assertEqual(dir(), ['self', 'sub', 't2'])
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119 """
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120 self.run_code(s)
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121
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122 from t2 import sub
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123 from t2.sub import subsub
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124 from t2.sub.subsub import spam
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125 self.assertEqual(sub.__name__, "t2.sub")
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126 self.assertEqual(subsub.__name__, "t2.sub.subsub")
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127 self.assertEqual(sub.subsub.__name__, "t2.sub.subsub")
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128 for name in ['spam', 'sub', 'subsub', 't2']:
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129 self.failUnless(locals()["name"], "Failed to import %s" % name)
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130
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131 import t2.sub
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132 import t2.sub.subsub
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133 self.assertEqual(t2.__name__, "t2")
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134 self.assertEqual(t2.sub.__name__, "t2.sub")
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135 self.assertEqual(t2.sub.subsub.__name__, "t2.sub.subsub")
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136
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137 s = """
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138 from t2 import *
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139 self.failUnless(dir(), ['self', 'sub'])
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140 """
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141 self.run_code(s)
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142
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143 def test_3(self):
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144 hier = [
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145 ("t3", None),
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146 ("t3 __init__"+os.extsep+"py", ""),
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147 ("t3 sub", None),
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148 ("t3 sub __init__"+os.extsep+"py", ""),
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149 ("t3 sub subsub", None),
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150 ("t3 sub subsub __init__"+os.extsep+"py", "spam = 1"),
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151 ]
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152 self.mkhier(hier)
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153
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154 import t3.sub.subsub
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155 self.assertEqual(t3.__name__, "t3")
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156 self.assertEqual(t3.sub.__name__, "t3.sub")
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157 self.assertEqual(t3.sub.subsub.__name__, "t3.sub.subsub")
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158
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159 def test_4(self):
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160 hier = [
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161 ("t4.py", "raise RuntimeError('Shouldnt load t4.py')"),
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162 ("t4", None),
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163 ("t4 __init__"+os.extsep+"py", ""),
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164 ("t4 sub.py", "raise RuntimeError('Shouldnt load sub.py')"),
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165 ("t4 sub", None),
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166 ("t4 sub __init__"+os.extsep+"py", ""),
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167 ("t4 sub subsub"+os.extsep+"py",
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168 "raise RuntimeError('Shouldnt load subsub.py')"),
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169 ("t4 sub subsub", None),
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170 ("t4 sub subsub __init__"+os.extsep+"py", "spam = 1"),
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171 ]
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172 self.mkhier(hier)
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173
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174 s = """
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175 from t4.sub.subsub import *
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176 self.assertEqual(spam, 1)
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177 """
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178 self.run_code(s)
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179
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180 def test_5(self):
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181 hier = [
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182 ("t5", None),
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183 ("t5 __init__"+os.extsep+"py", "import t5.foo"),
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184 ("t5 string"+os.extsep+"py", "spam = 1"),
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185 ("t5 foo"+os.extsep+"py",
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186 "from . import string; assert string.spam == 1"),
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187 ]
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188 self.mkhier(hier)
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189
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190 import t5
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191 s = """
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192 from t5 import *
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193 self.assertEqual(dir(), ['foo', 'self', 'string', 't5'])
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194 """
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195 self.run_code(s)
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196
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197 import t5
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198 self.assertEqual(fixdir(dir(t5)),
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199 ['__doc__', '__file__', '__name__',
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200 '__package__', '__path__', 'foo', 'string', 't5'])
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201 self.assertEqual(fixdir(dir(t5.foo)),
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202 ['__doc__', '__file__', '__name__', '__package__',
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203 'string'])
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204 self.assertEqual(fixdir(dir(t5.string)),
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205 ['__doc__', '__file__', '__name__','__package__',
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206 'spam'])
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207
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208 def test_6(self):
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209 hier = [
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210 ("t6", None),
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211 ("t6 __init__"+os.extsep+"py",
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212 "__all__ = ['spam', 'ham', 'eggs']"),
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213 ("t6 spam"+os.extsep+"py", ""),
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214 ("t6 ham"+os.extsep+"py", ""),
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215 ("t6 eggs"+os.extsep+"py", ""),
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216 ]
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217 self.mkhier(hier)
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218
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219 import t6
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220 self.assertEqual(fixdir(dir(t6)),
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221 ['__all__', '__doc__', '__file__',
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222 '__name__', '__package__', '__path__'])
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223 s = """
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224 import t6
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225 from t6 import *
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226 self.assertEqual(fixdir(dir(t6)),
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227 ['__all__', '__doc__', '__file__',
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228 '__name__', '__package__', '__path__',
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229 'eggs', 'ham', 'spam'])
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230 self.assertEqual(dir(), ['eggs', 'ham', 'self', 'spam', 't6'])
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231 """
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232 self.run_code(s)
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233
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234 def test_7(self):
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235 hier = [
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236 ("t7", None),
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237 ("t7"+os.extsep+"py", ""),
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238 ("t7 __init__"+os.extsep+"py", ""),
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239 ("t7 sub"+os.extsep+"py",
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240 "raise RuntimeError('Shouldnt load sub.py')"),
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241 ("t7 sub", None),
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242 ("t7 sub __init__"+os.extsep+"py", ""),
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243 ("t7 sub "+os.extsep+"py",
721c3ea13d84 Convert test_pkg to use unittest.
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244 "raise RuntimeError('Shouldnt load subsub.py')"),
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245 ("t7 sub subsub", None),
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246 ("t7 sub subsub __init__"+os.extsep+"py",
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247 "spam = 1"),
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248 ]
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249 self.mkhier(hier)
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250
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251
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252 t7, sub, subsub = None, None, None
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253 import t7 as tas
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254 self.assertEqual(fixdir(dir(tas)),
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255 ['__doc__', '__file__', '__name__',
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256 '__package__', '__path__'])
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257 self.failIf(t7)
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258 from t7 import sub as subpar
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259 self.assertEqual(fixdir(dir(subpar)),
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260 ['__doc__', '__file__', '__name__',
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261 '__package__', '__path__'])
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262 self.failIf(t7)
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263 self.failIf(sub)
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264 from t7.sub import subsub as subsubsub
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265 self.assertEqual(fixdir(dir(subsubsub)),
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266 ['__doc__', '__file__', '__name__',
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267 '__package__', '__path__', 'spam'])
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268 self.failIf(t7)
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269 self.failIf(sub)
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270 self.failIf(subsub)
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271 from t7.sub.subsub import spam as ham
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272 self.assertEqual(ham, 1)
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273 self.failIf(t7)
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diff changeset
274 self.failIf(sub)
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275 self.failIf(subsub)
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276
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277
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278 def test_main():
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279 test_support.run_unittest(__name__)
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280
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281
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282 if __name__ == "__main__":
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283 test_main()