forked from cypreess/python-rex
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tests.py
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tests.py
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import re
import unittest
import rex as rex_module
from rex import rex, rex_clear_cache, RexMatch
class TestRex(unittest.TestCase):
def test_value_error(self):
self.assertRaises(ValueError, rex, '/test')
self.assertRaises(ValueError, rex, 'm/test')
self.assertRaises(ValueError, rex, 's/test/')
self.assertRaises(ValueError, rex, 's//test/')
def test_no_action(self):
r = rex('/test/')
self.assertEqual(r.action, 'm')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.flags, 0)
def test_str(self):
m = "This is dog!" == rex('/[a-z]+!/')
self.assertEqual(str(m), 'dog!')
def test_empty_str(self):
m = "This is dog!" == rex('/[0-9]+!/')
self.assertEqual(str(m), '')
def test_unicode(self):
m = "This is dog!" == rex('/[a-z]+!/')
self.assertEqual(unicode(m), u'dog!')
def test_empty_unicode(self):
m = "This is dog!" == rex('/[0-9]+!/')
self.assertEqual(unicode(m), u'')
def test_no_action_ex(self):
r = rex('!test!')
self.assertEqual(r.action, 'm')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.flags, 0)
def test_m_action(self):
r = rex('m/test/')
self.assertEqual(r.action, 'm')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.flags, 0)
def test_m_action_ex(self):
r = rex('m!test!')
self.assertEqual(r.action, 'm')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.flags, 0)
def test_s_action(self):
r = rex('s/test/ohh/')
self.assertEqual(r.action, 's')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.replacement, 'ohh')
self.assertEqual(r.flags, 0)
def test_s_action_flags(self):
r = rex('/test/im')
self.assertEqual(r.action, 'm')
self.assertEqual(r.pattern, 'test')
self.assertEqual(r.flags, re.I | re.M)
def test_s_action_bad(self):
self.assertRaises(ValueError, rex, '/test/imH')
def test_m_true(self):
self.assertTrue("Aa 9-9 88 xx" == rex('/([0-9-]+) (?P<t>[0-9-]+)/'))
def test_m_true_orthodox(self):
self.assertTrue(rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 88 xx"))
def test_m_false_noncache(self):
self.assertTrue(
rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 88 xx", cache=False))
self.assertFalse(
rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa bb cc xx", cache=False))
def test_m_false(self):
self.assertFalse("Aa 9-9 xx" == rex('/([0-9-]+) (?P<t>[0-9-]+)/'))
def test_m_false_orthodox(self):
self.assertFalse(rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 xx"))
def test_m_value(self):
self.assertEqual('88',
("Aa 9-9 88 xx" == rex('/([0-9-]+) (?P<t>[0-9-]+)/'))[
't'])
self.assertEqual('88',
("Aa 9-9 88 xx" == rex('/([0-9-]+) (?P<t>[0-9-]+)/'))[
2])
self.assertEqual(None,
("Aa 9-9 88 xx" == rex('/([0-9-]+) (?P<t>[0-9-]+)/'))[
'tttt'])
def test_m_value_orthodox(self):
self.assertEqual('88',
rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 88 xx")[
't'])
self.assertEqual('88',
rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 88 xx")[2])
self.assertEqual(None,
rex('/([0-9-]+) (?P<t>[0-9-]+)/', "Aa 9-9 88 xx")[
'tttt'])
def test_m_true_call(self):
r = rex('/([0-9-]+) (?P<t>[0-9-]+)/')
self.assertTrue(r("Aa 9-9 88 xx"))
def test_m_false_call(self):
r = rex('/([0-9-]+) (?P<t>[0-9-]+)/')
self.assertFalse(r("Aa 9-9 xx"))
def test_s(self):
self.assertEqual('This is a dog', "This is a cat" == rex('s/cat/dog/'))
def test_s_i(self):
self.assertEqual('This is a dog',
"This is a cat" == rex('s/CAT/dog/i'))
def test_s_multi(self):
self.assertEqual('This is a dog dog dog dog',
"This is a cat cat cat cat" == rex('s/cat/dog/'))
def test_s_orthodox(self):
self.assertEqual('This is a dog', rex('s/cat/dog/', "This is a cat"))
def test_s_i_orthodox(self):
self.assertEqual('This is a dog', rex('s/CAT/dog/i', "This is a cat"))
def test_s_multi_orthodox(self):
self.assertEqual('This is a dog dog dog dog',
rex('s/cat/dog/', "This is a cat cat cat cat"))
def test_cache(self):
rex('s/cache/test/')
self.assertIn('s/cache/test/', rex_module.REX_CACHE)
def test_cache_2(self):
a = rex('s/cache/test/')
b = rex('s/cache/test/')
self.assertEqual(a is b, True)
def test_no_cache_2(self):
a = rex('s/cache/test/', cache=False)
b = rex('s/cache/test/', cache=False)
self.assertEqual(a is b, False)
def test_not_cache(self):
rex('s/cache/test1/', cache=False)
self.assertNotIn('s/cache/test1/', rex_module.REX_CACHE)
def test_clear_cache(self):
rex('s/cache/test/')
rex_clear_cache()
self.assertNotIn('s/cache/test/', rex_module.REX_CACHE)
def test_rex_match(self):
rm = RexMatch(((0, 'some match'), ('a', 1), ('b', 2)))
self.assertEqual(rm['a'], 1)
self.assertEqual(rm['b'], 2)
self.assertEqual(str(rm), 'some match')
self.assertEqual(unicode(rm), u'some match')
def test_rex_match_empty(self):
rm = RexMatch()
self.assertEqual(rm['a'], None)
self.assertEqual(rm['b'], None)
self.assertEqual(str(rm), '')
self.assertEqual(unicode(rm), u'')
def test_rex_match_get_empty(self):
rm = RexMatch((('c', None),))
self.assertEqual(rm.get('a'), None)
self.assertEqual(rm.get('a', 'b'), 'b')
self.assertEqual(rm.get('c', 'b'), 'b')
def test_rex_group(self):
m = "This is cat! A kitten is a cat but not a dog." == rex('/[a-z]+!.*(kitten\s\S{2}).*but.*(dog)\./')
self.assertEqual(m, rex.group)
if __name__ == '__main__':
unittest.main()