diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_pep292.py | 114 |
1 files changed, 82 insertions, 32 deletions
diff --git a/Lib/test/test_pep292.py b/Lib/test/test_pep292.py index 7eff309..56eb417 100644 --- a/Lib/test/test_pep292.py +++ b/Lib/test/test_pep292.py @@ -3,70 +3,120 @@ # License: http://www.opensource.org/licenses/PythonSoftFoundation.php import unittest -from string import Template, SafeTemplate +from string import Template + + +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): +class TestTemplate(unittest.TestCase): def test_regular_templates(self): s = Template('$who likes to eat a bag of $what worth $$100') - self.assertEqual(s % dict(who='tim', what='ham'), + self.assertEqual(s.substitute(dict(who='tim', what='ham')), 'tim likes to eat a bag of ham worth $100') - self.assertRaises(KeyError, lambda s, d: s % d, s, dict(who='tim')) + self.assertRaises(KeyError, s.substitute, dict(who='tim')) def test_regular_templates_with_braces(self): s = Template('$who likes ${what} for ${meal}') - self.assertEqual(s % dict(who='tim', what='ham', meal='dinner'), - 'tim likes ham for dinner') - self.assertRaises(KeyError, lambda s, d: s % d, - s, dict(who='tim', what='ham')) + d = dict(who='tim', what='ham', meal='dinner') + self.assertEqual(s.substitute(d), 'tim likes ham for dinner') + self.assertRaises(KeyError, s.substitute, + dict(who='tim', what='ham')) def test_escapes(self): eq = self.assertEqual s = Template('$who likes to eat a bag of $$what worth $$100') - eq(s % dict(who='tim', what='ham'), + eq(s.substitute(dict(who='tim', what='ham')), 'tim likes to eat a bag of $what worth $100') s = Template('$who likes $$') - eq(s % dict(who='tim', what='ham'), 'tim likes $') + eq(s.substitute(dict(who='tim', what='ham')), 'tim likes $') def test_percents(self): + eq = self.assertEqual s = Template('%(foo)s $foo ${foo}') - self.assertEqual(s % dict(foo='baz'), '%(foo)s baz baz') - s = SafeTemplate('%(foo)s $foo ${foo}') - self.assertEqual(s % dict(foo='baz'), '%(foo)s baz baz') + 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') - self.assertEqual(s % dict(count=7), - 'tim has eaten 7 bags of ham today') - s = SafeTemplate('tim has eaten $count bags of ham today') - self.assertEqual(s % dict(count=7), - 'tim has eaten 7 bags of ham today') - s = SafeTemplate('tim has eaten ${count} bags of ham today') - self.assertEqual(s % dict(count=7), - 'tim has eaten 7 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 ${count} bags of ham today') + eq(s.substitute(d), 'tim has eaten 7 bags of ham today') def test_SafeTemplate(self): eq = self.assertEqual - s = SafeTemplate('$who likes ${what} for ${meal}') - eq(s % dict(who='tim'), - 'tim likes ${what} for ${meal}') - eq(s % dict(what='ham'), - '$who likes ham for ${meal}') - eq(s % dict(what='ham', meal='dinner'), + s = Template('$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 % dict(who='tim', what='ham'), + eq(s.safe_substitute(dict(who='tim', what='ham')), 'tim likes ham for ${meal}') - eq(s % dict(who='tim', what='ham', meal='dinner'), + eq(s.safe_substitute(dict(who='tim', what='ham', meal='dinner')), 'tim likes ham for dinner') def test_invalid_placeholders(self): raises = self.assertRaises s = Template('$who likes $') - raises(ValueError, lambda s, d: s % d, s, dict(who='tim')) + raises(ValueError, s.substitute, dict(who='tim')) s = Template('$who likes ${what)') - raises(ValueError, lambda s, d: s % d, s, dict(who='tim')) + raises(ValueError, s.substitute, dict(who='tim')) s = Template('$who likes $100') - raises(ValueError, lambda s, d: s % d, s, dict(who='tim')) + raises(ValueError, s.substitute, dict(who='tim')) + + def test_delimiter_override(self): + 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 $100') + + def test_idpattern_override(self): + class PathPattern(Template): + idpattern = r'[_a-z][._a-z0-9]*' + m = Mapping() + m.bag = Bag() + m.bag.foo = Bag() + m.bag.foo.who = 'tim' + m.bag.what = 'ham' + s = PathPattern('$bag.foo.who likes to eat a bag of $bag.what') + self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham') + + def test_pattern_override(self): + class MyPattern(Template): + pattern = r""" + (?P<escaped>@{2}) | + @(?P<named>[_a-z][._a-z0-9]*) | + @{(?P<braced>[_a-z][._a-z0-9]*)} | + (?P<bogus>@) + """ + m = Mapping() + m.bag = Bag() + m.bag.foo = Bag() + m.bag.foo.who = 'tim' + m.bag.what = 'ham' + s = MyPattern('@bag.foo.who likes to eat a bag of @bag.what') + self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham') + + def test_unicode_values(self): + s = Template('$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 suite(): |