django1/tests/regressiontests/utils/regex_helper.py

49 lines
1.7 KiB
Python

from django.utils import regex_helper
from django.utils import unittest
class NormalizeTests(unittest.TestCase):
def test_empty(self):
pattern = r""
expected = [(u'', [])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_escape(self):
pattern = r"\\\^\$\.\|\?\*\+\(\)\["
expected = [(u'\\^$.|?*+()[', [])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_group_positional(self):
pattern = r"(.*)-(.+)"
expected = [(u'%(_0)s-%(_1)s', ['_0', '_1'])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_group_ignored(self):
pattern = r"(?i)(?L)(?m)(?s)(?u)(?#)"
expected = [(u'', [])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_group_noncapturing(self):
pattern = r"(?:non-capturing)"
expected = [(u'non-capturing', [])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_group_named(self):
pattern = r"(?P<first_group_name>.*)-(?P<second_group_name>.*)"
expected = [(u'%(first_group_name)s-%(second_group_name)s',
['first_group_name', 'second_group_name'])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)
def test_group_backreference(self):
pattern = r"(?P<first_group_name>.*)-(?P=first_group_name)"
expected = [(u'%(first_group_name)s-%(first_group_name)s',
['first_group_name'])]
result = regex_helper.normalize(pattern)
self.assertEqual(result, expected)