def test_fails_to_parse_front(self):
e = self.assertParseFailure(
combinators.between(primitives.error({"error!"}),
primitives.match(lambda c: c == "l"),
primitives.match(lambda c: c == "e")),
"hello")
self.assertEqual({"error!"}, e.expected)
def test_fails_to_parse_back(self):
e = self.assertSimpleParseFailure(
combinators.between(primitives.match(lambda c: c == "h"),
primitives.error({"error!"}),
primitives.match(lambda c: c == "e")),
"hello")
self.assertEqual("l", e.value)
self.assertEqual(list("lo"), list(e.it))
self.assertEqual({"error!"}, e.expected)
def test_parses(self):
self.assertParse(
combinators.between(primitives.match(lambda c: c == "h"),
primitives.match(lambda c: c == "l"),
primitives.match(lambda c: c == "e")),
"e", "lo", "hello")
