#!/usr/bin/python

import unittest

import main



class Examples(unittest.TestCase):
    def test_example1(self):
        lines = [
            "e => H",
            "e => O",
            "H => HO",
            "H => OH",
            "O => HH",
            "",
            "HOH"
        ]
        self.assertEqual(main.solve_part1(lines), 4)
        self.assertEqual(main.solve_part2(lines), 3)

    def test_example2(self):
        lines = [
            "e => H",
            "e => O",
            "H => HO",
            "H => OH",
            "O => HH",
            "",
            "HOHOHO"
        ]
        self.assertEqual(main.solve_part1(lines), 7)
        self.assertEqual(main.solve_part2(lines), 6)



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