import unittest
from logic_formula_checker.utils import *
from logic_formula_checker.types import *


class TestsLogicallySentenceChecker(unittest.TestCase):

    def test_check_parenthis(self):
        correct_formula_short = '[a∧b]'
        incorrect_formula_short = '[a∧b'
        self.assertTrue(check_parenthesis(correct_formula_short))
        self.assertFalse(check_parenthesis(incorrect_formula_short))

    def test_check_formula(self):
        correct_formula_short = '[a∧b!∧b]'
        incorrect_formula_short = '[a∧b∧'
        self.assertTrue(check_parenthesis(correct_formula_short))
        self.assertFalse(check_parenthesis(incorrect_formula_short))

    def test_get_closed_symbol(self):
        self.assertEqual(')', SupportSign.get_closed_symbol('('))
        self.assertNotEqual(']', SupportSign.get_closed_symbol('{'))


if __name__ == '__main__':
    unittest.main()