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-rw-r--r--Lib/test/test_pep292.py60
1 files changed, 53 insertions, 7 deletions
diff --git a/Lib/test/test_pep292.py b/Lib/test/test_pep292.py
index ce9b663..119c7ea 100644
--- a/Lib/test/test_pep292.py
+++ b/Lib/test/test_pep292.py
@@ -42,6 +42,19 @@ class TestTemplate(unittest.TestCase):
s = Template('$who likes $$')
eq(s.substitute(dict(who='tim', what='ham')), 'tim likes $')
+ def test_invalid(self):
+ class MyPattern(Template):
+ pattern = r"""
+ (?:
+ (?P<invalid>) |
+ (?P<escaped>%(delim)s) |
+ @(?P<named>%(id)s) |
+ @{(?P<braced>%(id)s)}
+ )
+ """
+ s = MyPattern('$')
+ self.assertRaises(ValueError, s.substitute, dict())
+
def test_percents(self):
eq = self.assertEqual
s = Template('%(foo)s $foo ${foo}')
@@ -86,13 +99,6 @@ class TestTemplate(unittest.TestCase):
s = Template('$who likes $100')
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 $100')
-
def test_idpattern_override(self):
class PathPattern(Template):
idpattern = r'[_a-z][._a-z0-9]*'
@@ -132,6 +138,40 @@ class TestTemplate(unittest.TestCase):
self.assertRaises(ValueError, s.substitute, {})
self.assertRaises(ValueError, s.safe_substitute, {})
+ def test_braced_override(self):
+ class MyTemplate(Template):
+ pattern = r"""
+ \$(?:
+ (?P<escaped>$) |
+ (?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='t\xffm', what='f\xfe\fed')
@@ -183,6 +223,12 @@ class TestTemplate(unittest.TestCase):
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():
from test import support