/usr/lib/python2.7/test/test_contains.py is in libpython2.7-testsuite 2.7.6-8.
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 | from test.test_support import have_unicode, run_unittest
import unittest
class base_set:
def __init__(self, el):
self.el = el
class set(base_set):
def __contains__(self, el):
return self.el == el
class seq(base_set):
def __getitem__(self, n):
return [self.el][n]
class TestContains(unittest.TestCase):
def test_common_tests(self):
a = base_set(1)
b = set(1)
c = seq(1)
self.assertIn(1, b)
self.assertNotIn(0, b)
self.assertIn(1, c)
self.assertNotIn(0, c)
self.assertRaises(TypeError, lambda: 1 in a)
self.assertRaises(TypeError, lambda: 1 not in a)
# test char in string
self.assertIn('c', 'abc')
self.assertNotIn('d', 'abc')
self.assertIn('', '')
self.assertIn('', 'abc')
self.assertRaises(TypeError, lambda: None in 'abc')
if have_unicode:
def test_char_in_unicode(self):
self.assertIn('c', unicode('abc'))
self.assertNotIn('d', unicode('abc'))
self.assertIn('', unicode(''))
self.assertIn(unicode(''), '')
self.assertIn(unicode(''), unicode(''))
self.assertIn('', unicode('abc'))
self.assertIn(unicode(''), 'abc')
self.assertIn(unicode(''), unicode('abc'))
self.assertRaises(TypeError, lambda: None in unicode('abc'))
# test Unicode char in Unicode
self.assertIn(unicode('c'), unicode('abc'))
self.assertNotIn(unicode('d'), unicode('abc'))
# test Unicode char in string
self.assertIn(unicode('c'), 'abc')
self.assertNotIn(unicode('d'), 'abc')
def test_builtin_sequence_types(self):
# a collection of tests on builtin sequence types
a = range(10)
for i in a:
self.assertIn(i, a)
self.assertNotIn(16, a)
self.assertNotIn(a, a)
a = tuple(a)
for i in a:
self.assertIn(i, a)
self.assertNotIn(16, a)
self.assertNotIn(a, a)
class Deviant1:
"""Behaves strangely when compared
This class is designed to make sure that the contains code
works when the list is modified during the check.
"""
aList = range(15)
def __cmp__(self, other):
if other == 12:
self.aList.remove(12)
self.aList.remove(13)
self.aList.remove(14)
return 1
self.assertNotIn(Deviant1(), Deviant1.aList)
class Deviant2:
"""Behaves strangely when compared
This class raises an exception during comparison. That in
turn causes the comparison to fail with a TypeError.
"""
def __cmp__(self, other):
if other == 4:
raise RuntimeError, "gotcha"
try:
self.assertNotIn(Deviant2(), a)
except TypeError:
pass
def test_main():
run_unittest(TestContains)
if __name__ == '__main__':
test_main()
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