def test_inches(self):
us = Ultrasonic()
us.pru_mem = struct.pack('IIIIIIII', 1, 2, 3, 4, 5, 6, 7, 8)
inches = us.read_inches()
self.assertEqual(inches['back'], 3/149.3)
self.assertEqual(inches['right'], 7/149.3)
def test_inches(self):
us = Ultrasonic()
us.pru_mem = struct.pack('IIIIIIII', 1, 2, 3, 4, 5, 6, 7, 8)
inches = us.read_inches()
self.assertEqual(inches['back'], 3/149.3)
self.assertEqual(inches['right'], 7/149.3)
