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() |