Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_module.py @ 84007:dbfbdf2b5c19 3.3

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Fix #17967: For ftp urls CWD to target instead of hopping to each directory towards target. This fixes a bug where target is accessible, but parent directories are restricted.
author Senthil Kumaran <senthil@uthcode.com>
date Sat, 01 Jun 2013 08:27:06 -0700
parents 702009f3c0b1
children e39a8f8ceb9f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Test the module type
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2 import unittest
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3 from test.support import run_unittest, gc_collect
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4
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5 import sys
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6 ModuleType = type(sys)
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7
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8 class FullLoader:
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9 @classmethod
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10 def module_repr(cls, m):
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11 return "<module '{}' (crafted)>".format(m.__name__)
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12
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13 class BareLoader:
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14 pass
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15
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16
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17 class ModuleTests(unittest.TestCase):
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18 def test_uninitialized(self):
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19 # An uninitialized module has no __dict__ or __name__,
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20 # and __doc__ is None
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21 foo = ModuleType.__new__(ModuleType)
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22 self.assertTrue(foo.__dict__ is None)
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23 self.assertRaises(SystemError, dir, foo)
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24 try:
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25 s = foo.__name__
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26 self.fail("__name__ = %s" % repr(s))
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27 except AttributeError:
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28 pass
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29 self.assertEqual(foo.__doc__, ModuleType.__doc__)
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30
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31 def test_no_docstring(self):
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32 # Regularly initialized module, no docstring
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33 foo = ModuleType("foo")
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34 self.assertEqual(foo.__name__, "foo")
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35 self.assertEqual(foo.__doc__, None)
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36 self.assertEqual(foo.__dict__, {"__name__": "foo", "__doc__": None})
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37
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38 def test_ascii_docstring(self):
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39 # ASCII docstring
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40 foo = ModuleType("foo", "foodoc")
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41 self.assertEqual(foo.__name__, "foo")
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42 self.assertEqual(foo.__doc__, "foodoc")
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43 self.assertEqual(foo.__dict__,
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44 {"__name__": "foo", "__doc__": "foodoc"})
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45
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46 def test_unicode_docstring(self):
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47 # Unicode docstring
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48 foo = ModuleType("foo", "foodoc\u1234")
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49 self.assertEqual(foo.__name__, "foo")
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50 self.assertEqual(foo.__doc__, "foodoc\u1234")
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51 self.assertEqual(foo.__dict__,
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52 {"__name__": "foo", "__doc__": "foodoc\u1234"})
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53
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54 def test_reinit(self):
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55 # Reinitialization should not replace the __dict__
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56 foo = ModuleType("foo", "foodoc\u1234")
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57 foo.bar = 42
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58 d = foo.__dict__
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59 foo.__init__("foo", "foodoc")
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60 self.assertEqual(foo.__name__, "foo")
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61 self.assertEqual(foo.__doc__, "foodoc")
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62 self.assertEqual(foo.bar, 42)
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63 self.assertEqual(foo.__dict__,
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64 {"__name__": "foo", "__doc__": "foodoc", "bar": 42})
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65 self.assertTrue(foo.__dict__ is d)
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66
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67 @unittest.expectedFailure
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68 def test_dont_clear_dict(self):
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69 # See issue 7140.
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70 def f():
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71 foo = ModuleType("foo")
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72 foo.bar = 4
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73 return foo
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74 gc_collect()
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75 self.assertEqual(f().__dict__["bar"], 4)
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76
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77 def test_clear_dict_in_ref_cycle(self):
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78 destroyed = []
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79 m = ModuleType("foo")
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80 m.destroyed = destroyed
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81 s = """class A:
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82 def __init__(self, l):
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83 self.l = l
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84 def __del__(self):
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85 self.l.append(1)
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86 a = A(destroyed)"""
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87 exec(s, m.__dict__)
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88 del m
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89 gc_collect()
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90 self.assertEqual(destroyed, [1])
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91
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92 def test_module_repr_minimal(self):
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93 # reprs when modules have no __file__, __name__, or __loader__
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94 m = ModuleType('foo')
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95 del m.__name__
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96 self.assertEqual(repr(m), "<module '?'>")
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97
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98 def test_module_repr_with_name(self):
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99 m = ModuleType('foo')
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100 self.assertEqual(repr(m), "<module 'foo'>")
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101
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102 def test_module_repr_with_name_and_filename(self):
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103 m = ModuleType('foo')
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104 m.__file__ = '/tmp/foo.py'
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105 self.assertEqual(repr(m), "<module 'foo' from '/tmp/foo.py'>")
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106
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107 def test_module_repr_with_filename_only(self):
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108 m = ModuleType('foo')
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109 del m.__name__
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110 m.__file__ = '/tmp/foo.py'
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111 self.assertEqual(repr(m), "<module '?' from '/tmp/foo.py'>")
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112
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113 def test_module_repr_with_bare_loader_but_no_name(self):
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114 m = ModuleType('foo')
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115 del m.__name__
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116 # Yes, a class not an instance.
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117 m.__loader__ = BareLoader
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118 self.assertEqual(
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119 repr(m), "<module '?' (<class 'test.test_module.BareLoader'>)>")
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120
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121 def test_module_repr_with_full_loader_but_no_name(self):
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122 # m.__loader__.module_repr() will fail because the module has no
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123 # m.__name__. This exception will get suppressed and instead the
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124 # loader's repr will be used.
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125 m = ModuleType('foo')
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126 del m.__name__
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127 # Yes, a class not an instance.
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128 m.__loader__ = FullLoader
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129 self.assertEqual(
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130 repr(m), "<module '?' (<class 'test.test_module.FullLoader'>)>")
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131
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132 def test_module_repr_with_bare_loader(self):
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133 m = ModuleType('foo')
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134 # Yes, a class not an instance.
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135 m.__loader__ = BareLoader
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136 self.assertEqual(
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137 repr(m), "<module 'foo' (<class 'test.test_module.BareLoader'>)>")
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138
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139 def test_module_repr_with_full_loader(self):
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140 m = ModuleType('foo')
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141 # Yes, a class not an instance.
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142 m.__loader__ = FullLoader
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143 self.assertEqual(
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144 repr(m), "<module 'foo' (crafted)>")
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145
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146 def test_module_repr_with_bare_loader_and_filename(self):
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147 # Because the loader has no module_repr(), use the file name.
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148 m = ModuleType('foo')
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149 # Yes, a class not an instance.
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150 m.__loader__ = BareLoader
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151 m.__file__ = '/tmp/foo.py'
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152 self.assertEqual(repr(m), "<module 'foo' from '/tmp/foo.py'>")
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153
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154 def test_module_repr_with_full_loader_and_filename(self):
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155 # Even though the module has an __file__, use __loader__.module_repr()
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156 m = ModuleType('foo')
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157 # Yes, a class not an instance.
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158 m.__loader__ = FullLoader
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159 m.__file__ = '/tmp/foo.py'
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160 self.assertEqual(repr(m), "<module 'foo' (crafted)>")
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161
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162 def test_module_repr_builtin(self):
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163 self.assertEqual(repr(sys), "<module 'sys' (built-in)>")
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164
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165 def test_module_repr_source(self):
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166 r = repr(unittest)
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167 self.assertEqual(r[:25], "<module 'unittest' from '")
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168 self.assertEqual(r[-13:], "__init__.py'>")
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169
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170 # frozen and namespace module reprs are tested in importlib.
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171
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172
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173 def test_main():
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174 run_unittest(ModuleTests)
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175
77126
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176
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177 if __name__ == '__main__':
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178 test_main()