def test_case1(self):
num_trains_at_station_a = gen_num_trains(
departures=('09:00', '10:00', '11:00'),
arrivals=('15:00', '10:30'),
turnarround=5
)
self.assertEqual(num_trains_at_station_a, 2)
num_trains_at_station_b = gen_num_trains(
departures=('12:02', '09:00'),
arrivals=('12:00', '13:00', '12:30'),
turnarround=5
)
self.assertEqual(num_trains_at_station_b, 2)
def test_case2(self):
num_trains_at_station_a = gen_num_trains(
departures=('09:00', '12:00'),
arrivals=(),
turnarround=5
)
self.assertEqual(num_trains_at_station_a, 2)
num_trains_at_station_b = gen_num_trains(
departures=(),
arrivals=('09:01', '12:02'),
turnarround=5
)
self.assertEqual(num_trains_at_station_b, 0)
