cpython/Lib/test/test_string.py
Walter Dörwald 0fd583ce4d Port all string tests to PyUnit and share as much tests
between str, unicode, UserString and the string module
as possible. This increases code coverage in stringobject.c
from 83% to 86% and should help keep the string classes
in sync in the future. From SF patch #662807
2003-02-21 12:53:50 +00:00

104 lines
4.5 KiB
Python

import unittest, string
from test import test_support, string_tests
from UserList import UserList
class StringTest(
string_tests.CommonTest,
string_tests.MixinStrStringUserStringTest
):
type2test = str
def checkequal(self, result, object, methodname, *args):
realresult = getattr(string, methodname)(object, *args)
self.assertEqual(
result,
realresult
)
def checkraises(self, exc, object, methodname, *args):
self.assertRaises(
exc,
getattr(string, methodname),
object,
*args
)
def checkcall(self, object, methodname, *args):
getattr(string, methodname)(object, *args)
def test_join(self):
# These are the same checks as in string_test.ObjectTest.test_join
# but the argument order ist different
self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
self.checkequal('abc', ('abc',), 'join', 'a')
self.checkequal('z', UserList(['z']), 'join', 'a')
if test_support.have_unicode:
self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
for i in [5, 25, 125]:
self.checkequal(
((('a' * i) + '-') * i)[:-1],
['a' * i] * i, 'join', '-')
self.checkequal(
((('a' * i) + '-') * i)[:-1],
('a' * i,) * i, 'join', '-')
self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
class ModuleTest(unittest.TestCase):
def test_attrs(self):
string.whitespace
string.lowercase
string.uppercase
string.letters
string.digits
string.hexdigits
string.octdigits
string.punctuation
string.printable
def test_atoi(self):
self.assertEqual(string.atoi(" 1 "), 1)
self.assertRaises(ValueError, string.atoi, " 1x")
self.assertRaises(ValueError, string.atoi, " x1 ")
def test_atol(self):
self.assertEqual(string.atol(" 1 "), 1L)
self.assertRaises(ValueError, string.atol, " 1x ")
self.assertRaises(ValueError, string.atol, " x1 ")
def test_atof(self):
self.assertAlmostEqual(string.atof(" 1 "), 1.0)
self.assertRaises(ValueError, string.atof, " 1x ")
self.assertRaises(ValueError, string.atof, " x1 ")
def test_maketrans(self):
transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')
def test_capwords(self):
self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
self.assertEqual(string.capwords('abc\t def \nghi'), 'Abc Def Ghi')
self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')
def test_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(StringTest))
suite.addTest(unittest.makeSuite(ModuleTest))
test_support.run_suite(suite)
if __name__ == "__main__":
test_main()