def test_without_matching(self):
grammar = Grammar('grammars/route_samples.grammar', classifier=SampleClassifier())
state = State(grammar, 'sample', 6)
token = Token('char', 'c')
self.assertFalse(router.has_matching_successor(state, token))
def test_multiple_matching(self):
grammar = Grammar('grammars/route_samples.grammar', classifier=SampleClassifier())
state = State(grammar, 'sample', 2)
token = Token('char', '*')
with self.assertRaises(RuntimeError):
_ = router.has_matching_successor(state, token)
def test_indirect_matching(self):
grammar = Grammar('grammars/route_samples.grammar', classifier=SampleClassifier())
state = State(grammar, 'sample', 2)
token = Token('char', 'b')
self.assertTrue(router.has_matching_successor(state, token))