diff options
Diffstat (limited to 'Lib/test/test_string.py')
| -rw-r--r-- | Lib/test/test_string.py | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py index 1706d2a..3ecc4d8 100644 --- a/Lib/test/test_string.py +++ b/Lib/test/test_string.py @@ -23,6 +23,7 @@ class ModuleTest(unittest.TestCase): 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) @@ -42,6 +43,43 @@ class ModuleTest(unittest.TestCase): 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 *') + + 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' |