python/testing/implementation/all/digitalio.py

   1 import unittest
   2 from testing import yes_no
   3 from testing.board import led_pin,default_pin
   4
   5 class TestDigitalInOut(unittest.TestCase):
   6
   7
   8     def test_default(self):
   9         import digitalio
  10         """Check that a DigitalInOut is input with no pull when constructed"""
  11         with digitalio.DigitalInOut(default_pin) as dio:
  12             self.assertEqual(dio.direction, digitalio.Direction.INPUT)
  13             self.assertEqual(dio.pull, None)
  14
  15
  16     def test_blink(self):
  17         import digitalio
  18         from agnostic import time
  19         self.assertTrue(yes_no("Is LED wired to {}".format(led_pin)))
  20         with digitalio.DigitalInOut(led_pin) as led:
  21             led.direction = digitalio.Direction.OUTPUT
  22             # should now be OUT, PUSH_PULL, value=0, and LED should light
  23             self.assertTrue(yes_no("Is LED lit"))
  24             for count in range(3):
  25                 led.value = True
  26                 time.sleep(1.0)
  27                 led.value = False
  28                 time.sleep(1.0)
  29             self.assertTrue(yes_no("Did LED wink thrice"))