import pytest

from base import BaseTest
from conftest import NewOntology
from evaluators.base_evaluator import MultipleChoices
from helpers import get_concept, get_concepts, get_parser_input
from parsers.SyaConceptsParser import SyaConceptsParser


class TestSyaConceptsParser(BaseTest):

    @pytest.fixture()
    def parser(self):
        return SyaConceptsParser()

    def test_i_can_parse_a_simple_case(self, context, parser):
        with NewOntology("test_i_can_parse_a_simple_case"):
            get_concepts(context, get_concept("a plus b", variables=["a", "b"]), use_sheerka=True)

            pi = get_parser_input("1 plus 2")
            res = parser.parse(context, pi)

            expected = []
            assert res == MultipleChoices([expected])
            assert not parser.error_sink