/usr/lib/python3.5/test/test_pep292.py is in libpython3.5-testsuite 3.5.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 | # Copyright (C) 2004 Python Software Foundation
# Author: barry@python.org (Barry Warsaw)
# License: http://www.opensource.org/licenses/PythonSoftFoundation.php
import unittest
from string import Template
class Bag:
pass
class Mapping:
def __getitem__(self, name):
obj = self
for part in name.split('.'):
try:
obj = getattr(obj, part)
except AttributeError:
raise KeyError(name)
return obj
class TestTemplate(unittest.TestCase):
def test_regular_templates(self):
s = Template('$who likes to eat a bag of $what worth $$100')
self.assertEqual(s.substitute(dict(who='tim', what='ham')),
'tim likes to eat a bag of ham worth $100')
self.assertRaises(KeyError, s.substitute, dict(who='tim'))
self.assertRaises(TypeError, Template.substitute)
def test_regular_templates_with_braces(self):
s = Template('$who likes ${what} for ${meal}')
d = dict(who='tim', what='ham', meal='dinner')
self.assertEqual(s.substitute(d), 'tim likes ham for dinner')
self.assertRaises(KeyError, s.substitute,
dict(who='tim', what='ham'))
def test_escapes(self):
eq = self.assertEqual
s = Template('$who likes to eat a bag of $$what worth $$100')
eq(s.substitute(dict(who='tim', what='ham')),
'tim likes to eat a bag of $what worth $100')
s = Template('$who likes $$')
eq(s.substitute(dict(who='tim', what='ham')), 'tim likes $')
def test_percents(self):
eq = self.assertEqual
s = Template('%(foo)s $foo ${foo}')
d = dict(foo='baz')
eq(s.substitute(d), '%(foo)s baz baz')
eq(s.safe_substitute(d), '%(foo)s baz baz')
def test_stringification(self):
eq = self.assertEqual
s = Template('tim has eaten $count bags of ham today')
d = dict(count=7)
eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
eq(s.safe_substitute(d), 'tim has eaten 7 bags of ham today')
s = Template('tim has eaten ${count} bags of ham today')
eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
def test_tupleargs(self):
eq = self.assertEqual
s = Template('$who ate ${meal}')
d = dict(who=('tim', 'fred'), meal=('ham', 'kung pao'))
eq(s.substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
eq(s.safe_substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
def test_SafeTemplate(self):
eq = self.assertEqual
s = Template('$who likes ${what} for ${meal}')
eq(s.safe_substitute(dict(who='tim')), 'tim likes ${what} for ${meal}')
eq(s.safe_substitute(dict(what='ham')), '$who likes ham for ${meal}')
eq(s.safe_substitute(dict(what='ham', meal='dinner')),
'$who likes ham for dinner')
eq(s.safe_substitute(dict(who='tim', what='ham')),
'tim likes ham for ${meal}')
eq(s.safe_substitute(dict(who='tim', what='ham', meal='dinner')),
'tim likes ham for dinner')
def test_invalid_placeholders(self):
raises = self.assertRaises
s = Template('$who likes $')
raises(ValueError, s.substitute, dict(who='tim'))
s = Template('$who likes ${what)')
raises(ValueError, s.substitute, dict(who='tim'))
s = Template('$who likes $100')
raises(ValueError, s.substitute, dict(who='tim'))
def test_idpattern_override(self):
class PathPattern(Template):
idpattern = r'[_a-z][._a-z0-9]*'
m = Mapping()
m.bag = Bag()
m.bag.foo = Bag()
m.bag.foo.who = 'tim'
m.bag.what = 'ham'
s = PathPattern('$bag.foo.who likes to eat a bag of $bag.what')
self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
def test_pattern_override(self):
class MyPattern(Template):
pattern = r"""
(?P<escaped>@{2}) |
@(?P<named>[_a-z][._a-z0-9]*) |
@{(?P<braced>[_a-z][._a-z0-9]*)} |
(?P<invalid>@)
"""
m = Mapping()
m.bag = Bag()
m.bag.foo = Bag()
m.bag.foo.who = 'tim'
m.bag.what = 'ham'
s = MyPattern('@bag.foo.who likes to eat a bag of @bag.what')
self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
class BadPattern(Template):
pattern = r"""
(?P<badname>.*) |
(?P<escaped>@{2}) |
@(?P<named>[_a-z][._a-z0-9]*) |
@{(?P<braced>[_a-z][._a-z0-9]*)} |
(?P<invalid>@) |
"""
s = BadPattern('@bag.foo.who likes to eat a bag of @bag.what')
self.assertRaises(ValueError, s.substitute, {})
self.assertRaises(ValueError, s.safe_substitute, {})
def test_braced_override(self):
class MyTemplate(Template):
pattern = r"""
\$(?:
(?P<escaped>$) |
(?P<named>[_a-z][_a-z0-9]*) |
@@(?P<braced>[_a-z][_a-z0-9]*)@@ |
(?P<invalid>) |
)
"""
tmpl = 'PyCon in $@@location@@'
t = MyTemplate(tmpl)
self.assertRaises(KeyError, t.substitute, {})
val = t.substitute({'location': 'Cleveland'})
self.assertEqual(val, 'PyCon in Cleveland')
def test_braced_override_safe(self):
class MyTemplate(Template):
pattern = r"""
\$(?:
(?P<escaped>$) |
(?P<named>[_a-z][_a-z0-9]*) |
@@(?P<braced>[_a-z][_a-z0-9]*)@@ |
(?P<invalid>) |
)
"""
tmpl = 'PyCon in $@@location@@'
t = MyTemplate(tmpl)
self.assertEqual(t.safe_substitute(), tmpl)
val = t.safe_substitute({'location': 'Cleveland'})
self.assertEqual(val, 'PyCon in Cleveland')
def test_invalid_with_no_lines(self):
# The error formatting for invalid templates
# has a special case for no data that the default
# pattern can't trigger (always has at least '$')
# So we craft a pattern that is always invalid
# with no leading data.
class MyTemplate(Template):
pattern = r"""
(?P<invalid>) |
unreachable(
(?P<named>) |
(?P<braced>) |
(?P<escaped>)
)
"""
s = MyTemplate('')
with self.assertRaises(ValueError) as err:
s.substitute({})
self.assertIn('line 1, col 1', str(err.exception))
def test_unicode_values(self):
s = Template('$who likes $what')
d = dict(who='t\xffm', what='f\xfe\fed')
self.assertEqual(s.substitute(d), 't\xffm likes f\xfe\x0ced')
def test_keyword_arguments(self):
eq = self.assertEqual
s = Template('$who likes $what')
eq(s.substitute(who='tim', what='ham'), 'tim likes ham')
eq(s.substitute(dict(who='tim'), what='ham'), 'tim likes ham')
eq(s.substitute(dict(who='fred', what='kung pao'),
who='tim', what='ham'),
'tim likes ham')
s = Template('the mapping is $mapping')
eq(s.substitute(dict(foo='none'), mapping='bozo'),
'the mapping is bozo')
eq(s.substitute(dict(mapping='one'), mapping='two'),
'the mapping is two')
s = Template('the self is $self')
eq(s.substitute(self='bozo'), 'the self is bozo')
def test_keyword_arguments_safe(self):
eq = self.assertEqual
raises = self.assertRaises
s = Template('$who likes $what')
eq(s.safe_substitute(who='tim', what='ham'), 'tim likes ham')
eq(s.safe_substitute(dict(who='tim'), what='ham'), 'tim likes ham')
eq(s.safe_substitute(dict(who='fred', what='kung pao'),
who='tim', what='ham'),
'tim likes ham')
s = Template('the mapping is $mapping')
eq(s.safe_substitute(dict(foo='none'), mapping='bozo'),
'the mapping is bozo')
eq(s.safe_substitute(dict(mapping='one'), mapping='two'),
'the mapping is two')
d = dict(mapping='one')
raises(TypeError, s.substitute, d, {})
raises(TypeError, s.safe_substitute, d, {})
s = Template('the self is $self')
eq(s.safe_substitute(self='bozo'), 'the self is bozo')
def test_delimiter_override(self):
eq = self.assertEqual
raises = self.assertRaises
class AmpersandTemplate(Template):
delimiter = '&'
s = AmpersandTemplate('this &gift is for &{who} &&')
eq(s.substitute(gift='bud', who='you'), 'this bud is for you &')
raises(KeyError, s.substitute)
eq(s.safe_substitute(gift='bud', who='you'), 'this bud is for you &')
eq(s.safe_substitute(), 'this &gift is for &{who} &')
s = AmpersandTemplate('this &gift is for &{who} &')
raises(ValueError, s.substitute, dict(gift='bud', who='you'))
eq(s.safe_substitute(), 'this &gift is for &{who} &')
class PieDelims(Template):
delimiter = '@'
s = PieDelims('@who likes to eat a bag of @{what} worth $100')
self.assertEqual(s.substitute(dict(who='tim', what='ham')),
'tim likes to eat a bag of ham worth $100')
if __name__ == '__main__':
unittest.main()
|