def test_variable(self):
parsed = Regex.Parser(ur"[[:alpha:]]{1,32}{Hello}{2,34}").parse()
expected = Regex.Concatenation([
Regex.Repetition(
Regex.Literal([(ord(u"a"), ord(u"z")),
(ord(u"A"), ord(u"Z"))]), 1, 32),
Regex.Repetition(Regex.Variable("Hello"), 2, 34)
])
self.assertEqual(repr(parsed), repr(expected))
def test_float_pattern(self):
expected = Regex.Alternation([
Regex.Concatenation([
Regex.Repetition(Regex.Literal([(ord(u"0"), ord(u"9"))]), 1,
-1),
Regex.Literal([(ord(u"."), ord(u"."))]),
Regex.Repetition(Regex.Literal([(ord(u"0"), ord(u"9"))]), 0,
-1)
]),
Regex.Concatenation([
Regex.Repetition(Regex.Literal([(ord(u"0"), ord(u"9"))]), 0,
-1),
Regex.Literal([(ord(u"."), ord(u"."))]),
Regex.Repetition(Regex.Literal([(ord(u"0"), ord(u"9"))]), 1,
-1)
])
])
parsed = Regex.Parser(ur"[[:digit:]]+\.[0-9]*|[0-9]*\.[0-9]+").parse()
self.assertEqual(repr(parsed), repr(expected))
def test_simple_case(self):
defines = {
'a': Regex.Parser("[abc]+").parse(),
'b': Regex.Parser("[xyz]*{a}d").parse()
}
regex = Regex.Parser("Hello{b}Ok").parse()
resolver = Regex.VariableResolver(defines)
regex.accept(resolver)
resolved = resolver.get()
expected = Regex.Concatenation([
Regex.Literal([(ord('H'), ord('H'))]),
Regex.Literal([(ord('e'), ord('e'))]),
Regex.Literal([(ord('l'), ord('l'))]),
Regex.Literal([(ord('l'), ord('l'))]),
Regex.Literal([(ord('o'), ord('o'))]),
Regex.Concatenation([
Regex.Repetition(
Regex.Literal([((ord('x'), ord('z')))]), 0, Regex.Repetition.Infinity),
Regex.Repetition(
Regex.Literal([((ord('a'), ord('c')))]), 1, Regex.Repetition.Infinity),
Regex.Literal([(ord('d'), ord('d'))])]),
Regex.Literal([(ord('O'), ord('O'))]),
Regex.Literal([(ord('k'), ord('k'))])])
self.assertEqual(repr(resolved), repr(expected))