Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_string.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 4feb10457c13
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
28009
fe10ece8ba68 Port all string tests to PyUnit and share as much tests
Walter Dörwald <walter@livinglogic.de>
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1 import unittest, string
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Benjamin Peterson <benjamin@python.org>
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2 from test import support
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3
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03440272028c SF Patch #1007087: Return new string for single subclass joins (Bug #1001011)
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4
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5 class ModuleTest(unittest.TestCase):
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6
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7 def test_attrs(self):
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8 string.whitespace
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9 string.ascii_lowercase
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10 string.ascii_uppercase
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11 string.ascii_letters
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12 string.digits
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13 string.hexdigits
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14 string.octdigits
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15 string.punctuation
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16 string.printable
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17
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18 def test_capwords(self):
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19 self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
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20 self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
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21 self.assertEqual(string.capwords('abc\t def \nghi'), 'Abc Def Ghi')
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22 self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
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23 self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
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24 self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')
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25 self.assertEqual(string.capwords(' aBc DeF '), 'Abc Def')
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26 self.assertEqual(string.capwords('\taBc\tDeF\t'), 'Abc Def')
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27 self.assertEqual(string.capwords('\taBc\tDeF\t', '\t'), '\tAbc\tDef\t')
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28
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29 def test_basic_formatter(self):
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30 fmt = string.Formatter()
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31 self.assertEqual(fmt.format("foo"), "foo")
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32 self.assertEqual(fmt.format("foo{0}", "bar"), "foobar")
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33 self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6")
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34
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35 def test_conversion_specifiers(self):
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36 fmt = string.Formatter()
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37 self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-")
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38 self.assertEqual(fmt.format("{0!s}", 'test'), 'test')
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39 self.assertRaises(ValueError, fmt.format, "{0!h}", 'test')
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40 # issue13579
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41 self.assertEqual(fmt.format("{0!a}", 42), '42')
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42 self.assertEqual(fmt.format("{0!a}", string.ascii_letters),
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43 "'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'")
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44 self.assertEqual(fmt.format("{0!a}", chr(255)), "'\\xff'")
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45 self.assertEqual(fmt.format("{0!a}", chr(256)), "'\\u0100'")
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46
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47 def test_name_lookup(self):
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48 fmt = string.Formatter()
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49 class AnyAttr:
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50 def __getattr__(self, attr):
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51 return attr
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52 x = AnyAttr()
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53 self.assertEqual(fmt.format("{0.lumber}{0.jack}", x), 'lumberjack')
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54 with self.assertRaises(AttributeError):
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55 fmt.format("{0.lumber}{0.jack}", '')
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56
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57 def test_index_lookup(self):
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58 fmt = string.Formatter()
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59 lookup = ["eggs", "and", "spam"]
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60 self.assertEqual(fmt.format("{0[2]}{0[0]}", lookup), 'spameggs')
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61 with self.assertRaises(IndexError):
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62 fmt.format("{0[2]}{0[0]}", [])
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63 with self.assertRaises(KeyError):
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64 fmt.format("{0[2]}{0[0]}", {})
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65
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66 def test_override_get_value(self):
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67 class NamespaceFormatter(string.Formatter):
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68 def __init__(self, namespace={}):
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69 string.Formatter.__init__(self)
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70 self.namespace = namespace
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71
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72 def get_value(self, key, args, kwds):
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73 if isinstance(key, str):
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74 try:
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75 # Check explicitly passed arguments first
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76 return kwds[key]
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77 except KeyError:
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78 return self.namespace[key]
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79 else:
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80 string.Formatter.get_value(key, args, kwds)
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81
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82 fmt = NamespaceFormatter({'greeting':'hello'})
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83 self.assertEqual(fmt.format("{greeting}, world!"), 'hello, world!')
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84
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85
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86 def test_override_format_field(self):
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87 class CallFormatter(string.Formatter):
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88 def format_field(self, value, format_spec):
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89 return format(value(), format_spec)
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90
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91 fmt = CallFormatter()
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92 self.assertEqual(fmt.format('*{0}*', lambda : 'result'), '*result*')
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93
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94
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95 def test_override_convert_field(self):
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96 class XFormatter(string.Formatter):
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97 def convert_field(self, value, conversion):
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98 if conversion == 'x':
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99 return None
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100 return super().convert_field(value, conversion)
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101
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102 fmt = XFormatter()
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103 self.assertEqual(fmt.format("{0!r}:{0!x}", 'foo', 'foo'), "'foo':None")
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104
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105
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106 def test_override_parse(self):
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107 class BarFormatter(string.Formatter):
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108 # returns an iterable that contains tuples of the form:
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109 # (literal_text, field_name, format_spec, conversion)
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110 def parse(self, format_string):
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111 for field in format_string.split('|'):
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112 if field[0] == '+':
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113 # it's markup
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114 field_name, _, format_spec = field[1:].partition(':')
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115 yield '', field_name, format_spec, None
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116 else:
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117 yield field, None, None, None
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118
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119 fmt = BarFormatter()
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120 self.assertEqual(fmt.format('*|+0:^10s|*', 'foo'), '* foo *')
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121
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122 def test_check_unused_args(self):
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123 class CheckAllUsedFormatter(string.Formatter):
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124 def check_unused_args(self, used_args, args, kwargs):
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125 # Track which arguments actually got used
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126 unused_args = set(kwargs.keys())
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127 unused_args.update(range(0, len(args)))
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128
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129 for arg in used_args:
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130 unused_args.remove(arg)
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131
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132 if unused_args:
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133 raise ValueError("unused arguments")
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134
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135 fmt = CheckAllUsedFormatter()
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136 self.assertEqual(fmt.format("{0}", 10), "10")
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137 self.assertEqual(fmt.format("{0}{i}", 10, i=100), "10100")
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138 self.assertEqual(fmt.format("{0}{i}{1}", 10, 20, i=100), "1010020")
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139 self.assertRaises(ValueError, fmt.format, "{0}{i}{1}", 10, 20, i=100, j=0)
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140 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20)
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141 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20, i=100)
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142 self.assertRaises(ValueError, fmt.format, "{i}", 10, 20, i=100)
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143
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144 def test_vformat_recursion_limit(self):
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145 fmt = string.Formatter()
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146 args = ()
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147 kwargs = dict(i=100)
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148 with self.assertRaises(ValueError) as err:
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149 fmt._vformat("{i}", args, kwargs, set(), -1)
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150 self.assertIn("recursion", str(err.exception))
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151
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152
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153 def test_main():
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154 support.run_unittest(ModuleTest)
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155
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156 if __name__ == "__main__":
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157 test_main()