def test_groupindex(self):
lazyre = LazyRegex('(?P<foo>.)')
self.assertIsNone(lazyre.groupindex)
lazyre.ensure()
self.assertEqual(lazyre.groupindex, {'foo': 1})
def setUp(self):
self.lazyre = LazyRegex('f.o')
def test_groups(self):
lazyre = LazyRegex('(.)(.)')
self.assertIsNone(lazyre.groups)
lazyre.ensure()
self.assertEqual(lazyre.groups, 2)
class TestLazyRegex(basetest.BaseTestCase):
"""Tests for cssutils.util.LazyRegex."""
def setUp(self):
self.lazyre = LazyRegex('f.o')
def test_public_interface(self):
methods = [
'search',
'match',
'split',
'sub',
'subn',
'findall',
'finditer',
'pattern',
'flags',
'groups',
'groupindex',
]
for method in methods:
self.assertTrue(hasattr(self.lazyre, method),
'expected %r public attribute' % method)
def test_ensure(self):
self.assertIsNone(self.lazyre.matcher)
self.lazyre.ensure()
self.assertIsNotNone(self.lazyre.matcher)
def test_calling(self):
self.assertIsNone(self.lazyre('bar'))
match = self.lazyre('foobar')
self.assertEqual(match.group(), 'foo')
def test_matching(self):
self.assertIsNone(self.lazyre.match('bar'))
match = self.lazyre.match('foobar')
self.assertEqual(match.group(), 'foo')
def test_matching_with_position_parameters(self):
self.assertIsNone(self.lazyre.match('foo', 1))
self.assertIsNone(self.lazyre.match('foo', 0, 2))
def test_searching(self):
self.assertIsNone(self.lazyre.search('rafuubar'))
match = self.lazyre.search('rafoobar')
self.assertEqual(match.group(), 'foo')
def test_searching_with_position_parameters(self):
self.assertIsNone(self.lazyre.search('rafoobar', 3))
self.assertIsNone(self.lazyre.search('rafoobar', 0, 4))
match = self.lazyre.search('rafoofuobar', 4)
self.assertEqual(match.group(), 'fuo')
def test_split(self):
self.assertEqual(self.lazyre.split('rafoobarfoobaz'),
['ra', 'bar', 'baz'])
self.assertEqual(self.lazyre.split('rafoobarfoobaz', 1),
['ra', 'barfoobaz'])
def test_findall(self):
self.assertEqual(self.lazyre.findall('rafoobarfuobaz'), ['foo', 'fuo'])
def test_finditer(self):
result = self.lazyre.finditer('rafoobarfuobaz')
self.assertEqual([m.group() for m in result], ['foo', 'fuo'])
def test_sub(self):
self.assertEqual(self.lazyre.sub('bar', 'foofoo'), 'barbar')
self.assertEqual(self.lazyre.sub(lambda x: 'baz', 'foofoo'), 'bazbaz')
def test_subn(self):
subbed = self.lazyre.subn('bar', 'foofoo')
self.assertEqual(subbed, ('barbar', 2))
subbed = self.lazyre.subn(lambda x: 'baz', 'foofoo')
self.assertEqual(subbed, ('bazbaz', 2))
def test_groups(self):
lazyre = LazyRegex('(.)(.)')
self.assertIsNone(lazyre.groups)
lazyre.ensure()
self.assertEqual(lazyre.groups, 2)
def test_groupindex(self):
lazyre = LazyRegex('(?P<foo>.)')
self.assertIsNone(lazyre.groupindex)
lazyre.ensure()
self.assertEqual(lazyre.groupindex, {'foo': 1})
def test_flags(self):
self.lazyre.ensure()
self.assertEqual(self.lazyre.flags, re.compile('.').flags)
def test_pattern(self):
self.assertEqual(self.lazyre.pattern, 'f.o')