import unittest
from time_interval import to_minute

class TimeIntervalTestCase(unittest.TestCase):
    def test_to_minute(self):
        time = "9:20"
        minutes = to_minute(time)
        expected = 9*60 + 20
        self.assertEqual(minutes, expected)

    def test_to_minute2(self):
        time = "9"
        minutes = to_minute(time)
        expected = 9*60
        self.assertEqual(minutes, expected)


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