def test_speed_0_to_1_transition(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(97)
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(100)
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(104)
self.assertEqual(0, fan.current_speed)
# # should change speed around the threshold
hrm.send_hr_event(106)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(110)
self.assertEqual(1, fan.current_speed)
# #make sure going back down a bit doesn't change the speed
hrm.send_hr_event(100)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(97)
self.assertEqual(1, fan.current_speed)
# # should change speed around the threshold
hrm.send_hr_event(94)
self.assertEqual(0, fan.current_speed)
def test_speed_2_to_3_transition(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(147)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(160)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(164)
self.assertEqual(2, fan.current_speed)
# # should change speed around the threshold
hrm.send_hr_event(166)
self.assertEqual(3, fan.current_speed)
hrm.send_hr_event(170)
self.assertEqual(3, fan.current_speed)
# #make sure going back down a bit doesn't change the speed
hrm.send_hr_event(160)
self.assertEqual(3, fan.current_speed)
hrm.send_hr_event(157)
self.assertEqual(3, fan.current_speed)
# # should change speed around the threshold
hrm.send_hr_event(154)
self.assertEqual(2, fan.current_speed)
def test_0_bpm(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(0)
self.assertEqual(0, fan.current_speed)
def test_implossibly_high_heart_rate(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(400)
self.assertEqual(3, fan.current_speed)
def test_negative_heart_rate(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(-1)
self.assertEqual(0, fan.current_speed)
def test_ramp_up_and_down(self):
main()
fan = get_fan_instance()
hrm = get_hrm_instance()
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(90)
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(100)
self.assertEqual(0, fan.current_speed)
hrm.send_hr_event(110)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(130)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(140)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(150)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(160)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(170)
self.assertEqual(3, fan.current_speed)
hrm.send_hr_event(160)
self.assertEqual(3, fan.current_speed)
hrm.send_hr_event(150)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(140)
self.assertEqual(2, fan.current_speed)
hrm.send_hr_event(130)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(110)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(100)
self.assertEqual(1, fan.current_speed)
hrm.send_hr_event(90)
self.assertEqual(0, fan.current_speed)