from parsers.ParserInput import ParserInput
from parsers.tokenizer import LexerError


def test_i_can_parser_input():
    parser_input = ParserInput("def concept a")
    assert parser_input.init() is True
    assert parser_input.exception is None


def test_i_can_detect_errors():
    parser_input = ParserInput('def concept "a')
    assert parser_input.init() is False
    assert isinstance(parser_input.exception, LexerError)