def test_uninhibit(self, mock_output):
exp_inhibit = 2
exp_pins = [8, 3, 6, 10]
d = Demux(exp_inhibit, exp_pins)
mock_output.reset_mock()
d.uninhibit()
mock_output.assert_has_calls([call(exp_inhibit, GPIO.LOW)],
any_order=True)
def test_inhibit(self, mock_output):
exp_inhibit = 12
exp_pins = [4, 19, 1, 3]
d = Demux(exp_inhibit, exp_pins)
mock_output.reset_mock()
d.inhibit()
mock_output.assert_has_calls([call(exp_inhibit, GPIO.HIGH)],
any_order=True)
def test_reset(self, mock_output):
exp_inhibit = 21
exp_pins = [4, 5, 6, 8]
d = Demux(exp_inhibit, exp_pins)
mock_output.reset_mock()
d.reset()
mock_output.assert_has_calls([
call(exp_pins[0], GPIO.LOW),
call(exp_pins[1], GPIO.LOW),
call(exp_pins[2], GPIO.LOW),
call(exp_pins[3], GPIO.LOW)
],
any_order=True)
def test_signal(self, mock_output):
exp_inhibit = 21
exp_pins = [4, 5, 6, 8]
d = Demux(exp_inhibit, exp_pins)
mock_output.reset_mock()
d.signal(3)
mock_output.assert_has_calls(
[call(exp_pins[0], GPIO.HIGH),
call(exp_pins[1], GPIO.HIGH)],
any_order=True)
mock_output.reset_mock()
d.signal(8)
mock_output.assert_has_calls([call(exp_pins[3], GPIO.HIGH)],
any_order=True)
def test_init(self, mock_output):
with patch("FakeRPi.GPIO.setup", autospec=True) as mock_setup:
exp_inhibit = 12
exp_pins = [4, 19, 1, 3]
d = Demux(exp_inhibit, exp_pins)
self.assertEqual(exp_inhibit, d._inhibit_pin)
self.assertEqual(exp_pins, d._data_pins)
mock_output.assert_has_calls([
call(exp_inhibit, GPIO.HIGH),
call(exp_pins[0], GPIO.LOW),
call(exp_pins[1], GPIO.LOW),
call(exp_pins[2], GPIO.LOW),
call(exp_pins[3], GPIO.LOW)
],
any_order=True)
mock_setup.assert_has_calls([
call(exp_inhibit, GPIO.OUT),
call(exp_pins[0], GPIO.OUT),
call(exp_pins[1], GPIO.OUT),
call(exp_pins[2], GPIO.OUT),
call(exp_pins[3], GPIO.OUT)
],
any_order=True)
def test_init_fails_without_four_pins(self, mock_output):
exp_inhibit = 12
exp_pins = [4, 19, 1]
with self.assertRaises(ValueError):
Demux(exp_inhibit, exp_pins)
import web
import time
from demux import Demux
urls = ('/', 'index', '/launch/(\d+)', 'launch')
t_globals = {'datestr': web.datestr}
render = web.template.render('templates', base='base', globals=t_globals)
demultiplexer = [
Demux(3, [5, 7, 8, 10]),
Demux(11, [12, 13, 15, 16]),
Demux(18, [19, 21, 22, 23])
]
class index:
def GET(self):
return render.index()
class launch:
def POST(self, id):
fire(int(id))
raise web.seeother('/')
def fire(num):
r = num / 16
d = demultiplexer[r]
d.signal(num - r * 16)
