diff options
Diffstat (limited to 'lib/python2.7/test/test_string.py')
| -rw-r--r-- | lib/python2.7/test/test_string.py | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_string.py b/lib/python2.7/test/test_string.py new file mode 100644 index 0000000..0d07b91 --- /dev/null +++ b/lib/python2.7/test/test_string.py @@ -0,0 +1,217 @@ +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', ' ') + try: + def f(): + yield 4 + "" + self.fixtype(' ').join(f()) + except TypeError, e: + if '+' not in str(e): + self.fail('join() ate exception message') + else: + self.fail('exception not raised') + + + + +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') + self.assertEqual(string.capwords(' aBc DeF '), 'Abc Def') + self.assertEqual(string.capwords('\taBc\tDeF\t'), 'Abc Def') + self.assertEqual(string.capwords('\taBc\tDeF\t', '\t'), '\tAbc\tDef\t') + + def test_formatter(self): + fmt = string.Formatter() + self.assertEqual(fmt.format("foo"), "foo") + + self.assertEqual(fmt.format("foo{0}", "bar"), "foobar") + self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6") + self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-") + + # override get_value ############################################ + class NamespaceFormatter(string.Formatter): + def __init__(self, namespace={}): + string.Formatter.__init__(self) + self.namespace = namespace + + def get_value(self, key, args, kwds): + if isinstance(key, str): + try: + # Check explicitly passed arguments first + return kwds[key] + except KeyError: + return self.namespace[key] + else: + string.Formatter.get_value(key, args, kwds) + + fmt = NamespaceFormatter({'greeting':'hello'}) + self.assertEqual(fmt.format("{greeting}, world!"), 'hello, world!') + + + # override format_field ######################################### + class CallFormatter(string.Formatter): + def format_field(self, value, format_spec): + return format(value(), format_spec) + + fmt = CallFormatter() + self.assertEqual(fmt.format('*{0}*', lambda : 'result'), '*result*') + + + # override convert_field ######################################## + class XFormatter(string.Formatter): + def convert_field(self, value, conversion): + if conversion == 'x': + return None + return super(XFormatter, self).convert_field(value, conversion) + + fmt = XFormatter() + self.assertEqual(fmt.format("{0!r}:{0!x}", 'foo', 'foo'), "'foo':None") + + + # override parse ################################################ + class BarFormatter(string.Formatter): + # returns an iterable that contains tuples of the form: + # (literal_text, field_name, format_spec, conversion) + def parse(self, format_string): + for field in format_string.split('|'): + if field[0] == '+': + # it's markup + field_name, _, format_spec = field[1:].partition(':') + yield '', field_name, format_spec, None + else: + yield field, None, None, None + + fmt = BarFormatter() + self.assertEqual(fmt.format('*|+0:^10s|*', 'foo'), '* foo *') + + # test all parameters used + class CheckAllUsedFormatter(string.Formatter): + def check_unused_args(self, used_args, args, kwargs): + # Track which arguments actually got used + unused_args = set(kwargs.keys()) + unused_args.update(range(0, len(args))) + + for arg in used_args: + unused_args.remove(arg) + + if unused_args: + raise ValueError("unused arguments") + + fmt = CheckAllUsedFormatter() + self.assertEqual(fmt.format("{0}", 10), "10") + self.assertEqual(fmt.format("{0}{i}", 10, i=100), "10100") + self.assertEqual(fmt.format("{0}{i}{1}", 10, 20, i=100), "1010020") + self.assertRaises(ValueError, fmt.format, "{0}{i}{1}", 10, 20, i=100, j=0) + self.assertRaises(ValueError, fmt.format, "{0}", 10, 20) + self.assertRaises(ValueError, fmt.format, "{0}", 10, 20, i=100) + self.assertRaises(ValueError, fmt.format, "{i}", 10, 20, i=100) + + # Alternate formatting is not supported + self.assertRaises(ValueError, format, '', '#') + self.assertRaises(ValueError, format, '', '#20') + +class BytesAliasTest(unittest.TestCase): + + def test_builtin(self): + self.assertTrue(str is bytes) + + def test_syntax(self): + self.assertEqual(b"spam", "spam") + self.assertEqual(br"egg\foo", "egg\\foo") + self.assertTrue(type(b""), str) + self.assertTrue(type(br""), str) + +def test_main(): + test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest) + +if __name__ == "__main__": + test_main() |