self.assertEqual(calculate_total_minutes_in("all I did today"), 0)
        self.assertEqual(calculate_total_minutes_in("all I did today;"), 0)
        self.assertEqual(calculate_total_minutes_in("all I did today;1"), 1)
        self.assertEqual(calculate_total_minutes_in("all I did today;1 1 1 1 1 1 1"), 7)
        self.assertEqual(calculate_total_minutes_in("all I did today;1m 1m 1m 1m 1m 1m 1h 1m"), 67)
        self.assertEqual(calculate_total_minutes_in("all I did today;1m 1m 1m 1m 1m 1m 1h1m"), 67)
        self.assertEqual(calculate_total_minutes_in("all I did today;1m 1m 1m 1m 1m 1m 1m1h 10m0h"), 77)
        self.assertEqual(calculate_total_minutes_in("all I did today;1m 1m 1m 1m 1m 1m 1m1h 10m1h"), 137)
        self.assertEqual(calculate_total_minutes_in("all I did today;1m 1m 1m 1m 1m 1m 1m1h 10m000000000000000001h"), 137)
        self.assertEqual(calculate_total_minutes_in("all I did today;1h 1h 1h 1h 1h 1h 1m1h 10m000000000000000001h"), 491)
        self.assertEqual(calculate_total_minutes_in("all I did today;1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h \
            1h 1h 1h 1h 1h 1h 1h 1h 1h "), 1680)
        self.assertEqual(calculate_total_minutes_in("all I did today;1h 1 1h v 1h g 1h h 1h 1h 1h j 1h 1h 1h 1hy 1h u 1h 1h 1h \
            1h i 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h 1h "), 1681)
        self.assertEqual(calculate_total_minutes_in("all I did today; i 20m, 35m, 2.5h, 3h40m v"), 425)
        self.assertEqual(calculate_total_minutes_in("all I did today;1 1 1 1 1 1 1"), 7)
        self.assertEqual(calculate_total_minutes_in("all I did today;1,       ,     1 1 1 1 1 1"), 7)
        self.assertEqual(calculate_total_minutes_in("all I did today;1,       ,     1 1 1 1 1 1,    ,  ,,,  "), 7)
        self.assertEqual(calculate_total_minutes_in("all I did today; i i i i.   dn. dm.  20m, 35m, , , , , ,,,, }    ,,,, 2.5h\
            , 3h40m v ------ - - "), 425)