- import unittest, string
-# Copyright (C) 2004 Python Software Foundation
-# Author: barry@python.org (Barry Warsaw)
-# License: http://www.opensource.org/licenses/PythonSoftFoundation.php
-
+ import unittest
++import string
+ from string import Template
+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, obj, methodname, *args):
+ with self.assertRaises(exc) as cm:
+ getattr(string, methodname)(obj, *args)
+ self.assertNotEqual(cm.exception.args[0], '')
+
+ 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')
+
+ def test_format_keyword_arguments(self):
+ fmt = string.Formatter()
+ self.assertEqual(fmt.format("-{arg}-", arg='test'), '-test-')
+ self.assertRaises(KeyError, fmt.format, "-{arg}-")
+ self.assertEqual(fmt.format("-{self}-", self='test'), '-test-')
+ self.assertRaises(KeyError, fmt.format, "-{self}-")
+ self.assertEqual(fmt.format("-{format_string}-", format_string='test'),
+ '-test-')
+ self.assertRaises(KeyError, fmt.format, "-{format_string}-")
+ self.assertEqual(fmt.format(arg='test', format_string="-{arg}-"),
+ '-test-')
+
+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)
+
++
++# Template tests (formerly housed in test_pep292.py)
+
+ class Bag:
+ pass
+
+ class Mapping:
+ def __getitem__(self, name):
+ obj = self
+ for part in name.split('.'):
+ try:
+ obj = getattr(obj, part)
+ except AttributeError:
+ raise KeyError(name)
+ return obj
+
+
+ class TestTemplate(unittest.TestCase):
+ def test_regular_templates(self):
+ s = Template('$who likes to eat a bag of $what worth $$100')
+ self.assertEqual(s.substitute(dict(who='tim', what='ham')),
+ 'tim likes to eat a bag of ham worth $100')
+ self.assertRaises(KeyError, s.substitute, dict(who='tim'))
+ self.assertRaises(TypeError, Template.substitute)
+
+ def test_regular_templates_with_braces(self):
+ s = Template('$who likes ${what} for ${meal}')
+ d = dict(who='tim', what='ham', meal='dinner')
+ self.assertEqual(s.substitute(d), 'tim likes ham for dinner')
+ self.assertRaises(KeyError, s.substitute,
+ dict(who='tim', what='ham'))
+
+ def test_escapes(self):
+ eq = self.assertEqual
+ s = Template('$who likes to eat a bag of $$what worth $$100')
+ eq(s.substitute(dict(who='tim', what='ham')),
+ 'tim likes to eat a bag of $what worth $100')
+ s = Template('$who likes $$')
+ eq(s.substitute(dict(who='tim', what='ham')), 'tim likes $')
+
+ def test_percents(self):
+ eq = self.assertEqual
+ s = Template('%(foo)s $foo ${foo}')
+ d = dict(foo='baz')
+ eq(s.substitute(d), '%(foo)s baz baz')
+ eq(s.safe_substitute(d), '%(foo)s baz baz')
+
+ def test_stringification(self):
+ eq = self.assertEqual
+ s = Template('tim has eaten $count bags of ham today')
+ d = dict(count=7)
+ eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
+ eq(s.safe_substitute(d), 'tim has eaten 7 bags of ham today')
+ s = Template('tim has eaten ${count} bags of ham today')
+ eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
+
+ def test_tupleargs(self):
+ eq = self.assertEqual
+ s = Template('$who ate ${meal}')
+ d = dict(who=('tim', 'fred'), meal=('ham', 'kung pao'))
+ eq(s.substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
+ eq(s.safe_substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
+
+ def test_SafeTemplate(self):
+ eq = self.assertEqual
+ s = Template('$who likes ${what} for ${meal}')
+ eq(s.safe_substitute(dict(who='tim')), 'tim likes ${what} for ${meal}')
+ eq(s.safe_substitute(dict(what='ham')), '$who likes ham for ${meal}')
+ eq(s.safe_substitute(dict(what='ham', meal='dinner')),
+ '$who likes ham for dinner')
+ eq(s.safe_substitute(dict(who='tim', what='ham')),
+ 'tim likes ham for ${meal}')
+ eq(s.safe_substitute(dict(who='tim', what='ham', meal='dinner')),
+ 'tim likes ham for dinner')
+
+ def test_invalid_placeholders(self):
+ raises = self.assertRaises
+ s = Template('$who likes $')
+ raises(ValueError, s.substitute, dict(who='tim'))
+ s = Template('$who likes ${what)')
+ raises(ValueError, s.substitute, dict(who='tim'))
+ s = Template('$who likes $100')
+ raises(ValueError, s.substitute, dict(who='tim'))
+
+ def test_idpattern_override(self):
+ class PathPattern(Template):
+ idpattern = r'[_a-z][._a-z0-9]*'
+ m = Mapping()
+ m.bag = Bag()
+ m.bag.foo = Bag()
+ m.bag.foo.who = 'tim'
+ m.bag.what = 'ham'
+ s = PathPattern('$bag.foo.who likes to eat a bag of $bag.what')
+ self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
+
+ def test_pattern_override(self):
+ class MyPattern(Template):
+ pattern = r"""
+ (?P<escaped>@{2}) |
+ @(?P<named>[_a-z][._a-z0-9]*) |
+ @{(?P<braced>[_a-z][._a-z0-9]*)} |
+ (?P<invalid>@)
+ """
+ m = Mapping()
+ m.bag = Bag()
+ m.bag.foo = Bag()
+ m.bag.foo.who = 'tim'
+ m.bag.what = 'ham'
+ s = MyPattern('@bag.foo.who likes to eat a bag of @bag.what')
+ self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
+
+ class BadPattern(Template):
+ pattern = r"""
+ (?P<badname>.*) |
+ (?P<escaped>@{2}) |
+ @(?P<named>[_a-z][._a-z0-9]*) |
+ @{(?P<braced>[_a-z][._a-z0-9]*)} |
+ (?P<invalid>@) |
+ """
+ s = BadPattern('@bag.foo.who likes to eat a bag of @bag.what')
+ self.assertRaises(ValueError, s.substitute, {})
+ self.assertRaises(ValueError, s.safe_substitute, {})
+
+ def test_braced_override(self):
+ class MyTemplate(Template):
+ pattern = r"""
+ \$(?:
+ (?P<escaped>$) |
+ (?P<named>[_a-z][_a-z0-9]*) |
+ @@(?P<braced>[_a-z][_a-z0-9]*)@@ |
+ (?P<invalid>) |
+ )
+ """
+
+ tmpl = 'PyCon in $@@location@@'
+ t = MyTemplate(tmpl)
+ self.assertRaises(KeyError, t.substitute, {})
+ val = t.substitute({'location': 'Cleveland'})
+ self.assertEqual(val, 'PyCon in Cleveland')
+
+ def test_braced_override_safe(self):
+ class MyTemplate(Template):
+ pattern = r"""
+ \$(?:
+ (?P<escaped>$) |
+ (?P<named>[_a-z][_a-z0-9]*) |
+ @@(?P<braced>[_a-z][_a-z0-9]*)@@ |
+ (?P<invalid>) |
+ )
+ """
+
+ tmpl = 'PyCon in $@@location@@'
+ t = MyTemplate(tmpl)
+ self.assertEqual(t.safe_substitute(), tmpl)
+ val = t.safe_substitute({'location': 'Cleveland'})
+ self.assertEqual(val, 'PyCon in Cleveland')
+
+ def test_unicode_values(self):
+ s = Template('$who likes $what')
+ d = dict(who=u't\xffm', what=u'f\xfe\fed')
+ self.assertEqual(s.substitute(d), u't\xffm likes f\xfe\x0ced')
+
+ def test_keyword_arguments(self):
+ eq = self.assertEqual
+ s = Template('$who likes $what')
+ eq(s.substitute(who='tim', what='ham'), 'tim likes ham')
+ eq(s.substitute(dict(who='tim'), what='ham'), 'tim likes ham')
+ eq(s.substitute(dict(who='fred', what='kung pao'),
+ who='tim', what='ham'),
+ 'tim likes ham')
+ s = Template('the mapping is $mapping')
+ eq(s.substitute(dict(foo='none'), mapping='bozo'),
+ 'the mapping is bozo')
+ eq(s.substitute(dict(mapping='one'), mapping='two'),
+ 'the mapping is two')
+
+ s = Template('the self is $self')
+ eq(s.substitute(self='bozo'), 'the self is bozo')
+
+ def test_keyword_arguments_safe(self):
+ eq = self.assertEqual
+ raises = self.assertRaises
+ s = Template('$who likes $what')
+ eq(s.safe_substitute(who='tim', what='ham'), 'tim likes ham')
+ eq(s.safe_substitute(dict(who='tim'), what='ham'), 'tim likes ham')
+ eq(s.safe_substitute(dict(who='fred', what='kung pao'),
+ who='tim', what='ham'),
+ 'tim likes ham')
+ s = Template('the mapping is $mapping')
+ eq(s.safe_substitute(dict(foo='none'), mapping='bozo'),
+ 'the mapping is bozo')
+ eq(s.safe_substitute(dict(mapping='one'), mapping='two'),
+ 'the mapping is two')
+ d = dict(mapping='one')
+ raises(TypeError, s.substitute, d, {})
+ raises(TypeError, s.safe_substitute, d, {})
+
+ s = Template('the self is $self')
+ eq(s.safe_substitute(self='bozo'), 'the self is bozo')
+
+ def test_delimiter_override(self):
+ eq = self.assertEqual
+ raises = self.assertRaises
+ class AmpersandTemplate(Template):
+ delimiter = '&'
+ s = AmpersandTemplate('this &gift is for &{who} &&')
+ eq(s.substitute(gift='bud', who='you'), 'this bud is for you &')
+ raises(KeyError, s.substitute)
+ eq(s.safe_substitute(gift='bud', who='you'), 'this bud is for you &')
+ eq(s.safe_substitute(), 'this &gift is for &{who} &')
+ s = AmpersandTemplate('this &gift is for &{who} &')
+ raises(ValueError, s.substitute, dict(gift='bud', who='you'))
+ eq(s.safe_substitute(), 'this &gift is for &{who} &')
+
+ class PieDelims(Template):
+ delimiter = '@'
+ s = PieDelims('@who likes to eat a bag of @{what} worth $100')
+ self.assertEqual(s.substitute(dict(who='tim', what='ham')),
+ 'tim likes to eat a bag of ham worth $100')
+
+
def test_main():
- test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest)
- from test import test_support
- test_classes = [TestTemplate,]
- test_support.run_unittest(*test_classes)
-
++ test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest, TestTemplate)
- if __name__ == "__main__":
+ if __name__ == '__main__':
test_main()
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