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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
This commit is contained in:
Walter Dörwald
parent
1b56de05d5
commit
0fd583ce4d
6 changed files with 905 additions and 919 deletions
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@ -1,84 +1,104 @@
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from test.test_support import verbose, TestSkipped
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from test import string_tests
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import string, sys
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import unittest, string
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from test import test_support, string_tests
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from UserList import UserList
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# XXX: kludge... short circuit if strings don't have methods
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try:
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''.join
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except AttributeError:
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raise TestSkipped
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class StringTest(
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string_tests.CommonTest,
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string_tests.MixinStrStringUserStringTest
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):
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def test(name, input, output, *args):
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if verbose:
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print 'string.%s%s =? %s... ' % (name, (input,) + args, output),
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try:
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# Prefer string methods over string module functions
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try:
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f = getattr(input, name)
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value = apply(f, args)
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except AttributeError:
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f = getattr(string, name)
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value = apply(f, (input,) + args)
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except:
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value = sys.exc_type
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f = name
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if value == output:
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# if the original is returned make sure that
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# this doesn't happen with subclasses
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if value is input:
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class ssub(str):
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def __repr__(self):
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return 'ssub(%r)' % str.__repr__(self)
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input = ssub(input)
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try:
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f = getattr(input, name)
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value = apply(f, args)
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except AttributeError:
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f = getattr(string, name)
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value = apply(f, (input,) + args)
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if value is input:
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if verbose:
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print 'no'
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print '*',f, `input`, `output`, `value`
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return
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if value != output:
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if verbose:
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print 'no'
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print f, `input`, `output`, `value`
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else:
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if verbose:
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print 'yes'
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type2test = str
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string_tests.run_module_tests(test)
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string_tests.run_method_tests(test)
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string_tests.run_contains_tests(test)
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string_tests.run_inplace_tests(str)
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def checkequal(self, result, object, methodname, *args):
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realresult = getattr(string, methodname)(object, *args)
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self.assertEqual(
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result,
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realresult
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)
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string.whitespace
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string.lowercase
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string.uppercase
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def checkraises(self, exc, object, methodname, *args):
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self.assertRaises(
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exc,
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getattr(string, methodname),
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object,
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*args
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)
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# Float formatting
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for prec in range(100):
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formatstring = '%%.%if' % prec
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value = 0.01
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for x in range(60):
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value = value * 3.141592655 / 3.0 * 10.0
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#print 'Overflow check for x=%i and prec=%i:' % \
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# (x, prec),
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try:
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result = formatstring % value
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except OverflowError:
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# The formatfloat() code in stringobject.c and
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# unicodeobject.c uses a 120 byte buffer and switches from
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# 'f' formatting to 'g' at precision 50, so we expect
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# OverflowErrors for the ranges x < 50 and prec >= 67.
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if x >= 50 or \
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prec < 67:
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print '*** unexpected OverflowError for x=%i and prec=%i' % (x, prec)
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else:
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#print 'OverflowError'
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pass
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else:
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#print result
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pass
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def checkcall(self, object, methodname, *args):
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getattr(string, methodname)(object, *args)
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def test_join(self):
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# These are the same checks as in string_test.ObjectTest.test_join
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# but the argument order ist different
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self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
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self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
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self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
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self.checkequal('abc', ('abc',), 'join', 'a')
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self.checkequal('z', UserList(['z']), 'join', 'a')
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if test_support.have_unicode:
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self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
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self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
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self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
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self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
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self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
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for i in [5, 25, 125]:
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self.checkequal(
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((('a' * i) + '-') * i)[:-1],
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['a' * i] * i, 'join', '-')
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self.checkequal(
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((('a' * i) + '-') * i)[:-1],
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('a' * i,) * i, 'join', '-')
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self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
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self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
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class ModuleTest(unittest.TestCase):
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def test_attrs(self):
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string.whitespace
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string.lowercase
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string.uppercase
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string.letters
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string.digits
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string.hexdigits
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string.octdigits
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string.punctuation
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string.printable
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def test_atoi(self):
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self.assertEqual(string.atoi(" 1 "), 1)
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self.assertRaises(ValueError, string.atoi, " 1x")
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self.assertRaises(ValueError, string.atoi, " x1 ")
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def test_atol(self):
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self.assertEqual(string.atol(" 1 "), 1L)
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self.assertRaises(ValueError, string.atol, " 1x ")
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self.assertRaises(ValueError, string.atol, " x1 ")
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def test_atof(self):
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self.assertAlmostEqual(string.atof(" 1 "), 1.0)
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self.assertRaises(ValueError, string.atof, " 1x ")
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self.assertRaises(ValueError, string.atof, " x1 ")
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def test_maketrans(self):
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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'
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self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
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self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')
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def test_capwords(self):
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self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
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self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
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self.assertEqual(string.capwords('abc\t def \nghi'), 'Abc Def Ghi')
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self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
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self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
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self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')
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def test_main():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(StringTest))
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suite.addTest(unittest.makeSuite(ModuleTest))
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test_support.run_suite(suite)
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if __name__ == "__main__":
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test_main()
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