/usr/lib/python2.7/test/test_userstring.py is in libpython2.7-testsuite 2.7.11-7ubuntu1.
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 | # UserString is a wrapper around the native builtin string type.
# UserString instances should behave similar to builtin string objects.
import string
from test import test_support, string_tests
from UserString import UserString, MutableString
import warnings
class UserStringTest(
string_tests.CommonTest,
string_tests.MixinStrUnicodeUserStringTest,
string_tests.MixinStrStringUserStringTest,
string_tests.MixinStrUserStringTest
):
type2test = UserString
# Overwrite the three testing methods, because UserString
# can't cope with arguments propagated to UserString
# (and we don't test with subclasses)
def checkequal(self, result, object, methodname, *args):
result = self.fixtype(result)
object = self.fixtype(object)
# we don't fix the arguments, because UserString can't cope with it
realresult = getattr(object, methodname)(*args)
self.assertEqual(
result,
realresult
)
def checkraises(self, exc, obj, methodname, *args):
obj = self.fixtype(obj)
# we don't fix the arguments, because UserString can't cope with it
with self.assertRaises(exc) as cm:
getattr(obj, methodname)(*args)
self.assertNotEqual(cm.exception.args[0], '')
def checkcall(self, object, methodname, *args):
object = self.fixtype(object)
# we don't fix the arguments, because UserString can't cope with it
getattr(object, methodname)(*args)
class MutableStringTest(UserStringTest):
type2test = MutableString
# MutableStrings can be hashed => deactivate test
def test_hash(self):
pass
def test_setitem(self):
s = self.type2test("foo")
self.assertRaises(IndexError, s.__setitem__, -4, "bar")
self.assertRaises(IndexError, s.__setitem__, 3, "bar")
s[-1] = "bar"
self.assertEqual(s, "fobar")
s[0] = "bar"
self.assertEqual(s, "barobar")
def test_delitem(self):
s = self.type2test("foo")
self.assertRaises(IndexError, s.__delitem__, -4)
self.assertRaises(IndexError, s.__delitem__, 3)
del s[-1]
self.assertEqual(s, "fo")
del s[0]
self.assertEqual(s, "o")
del s[0]
self.assertEqual(s, "")
def test_setslice(self):
s = self.type2test("foo")
s[:] = "bar"
self.assertEqual(s, "bar")
s[1:2] = "foo"
self.assertEqual(s, "bfoor")
s[1:-1] = UserString("a")
self.assertEqual(s, "bar")
s[0:10] = 42
self.assertEqual(s, "42")
def test_delslice(self):
s = self.type2test("foobar")
del s[3:10]
self.assertEqual(s, "foo")
del s[-1:10]
self.assertEqual(s, "fo")
def test_extended_set_del_slice(self):
indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
orig = string.ascii_letters + string.digits
for start in indices:
for stop in indices:
# Use indices[1:] when MutableString can handle real
# extended slices
for step in (None, 1, -1):
s = self.type2test(orig)
L = list(orig)
# Make sure we have a slice of exactly the right length,
# but with (hopefully) different data.
data = L[start:stop:step]
data.reverse()
L[start:stop:step] = data
s[start:stop:step] = "".join(data)
self.assertEqual(s, "".join(L))
del L[start:stop:step]
del s[start:stop:step]
self.assertEqual(s, "".join(L))
def test_immutable(self):
s = self.type2test("foobar")
s2 = s.immutable()
self.assertEqual(s, s2)
self.assertIsInstance(s2, UserString)
def test_iadd(self):
s = self.type2test("foo")
s += "bar"
self.assertEqual(s, "foobar")
s += UserString("baz")
self.assertEqual(s, "foobarbaz")
s += 42
self.assertEqual(s, "foobarbaz42")
def test_imul(self):
s = self.type2test("foo")
s *= 1
self.assertEqual(s, "foo")
s *= 2
self.assertEqual(s, "foofoo")
s *= -1
self.assertEqual(s, "")
def test_main():
with warnings.catch_warnings():
warnings.filterwarnings("ignore", ".*MutableString has been removed",
DeprecationWarning)
warnings.filterwarnings("ignore",
".*__(get|set|del)slice__ has been removed",
DeprecationWarning)
test_support.run_unittest(UserStringTest, MutableStringTest)
if __name__ == "__main__":
test_main()
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