def test_change_wheel_direction(self):
# not just wheel, anything that suddenly reports a different value.
# as long as type and code are equal its the same key, so there is no
# way both directions can be held down.
self.assertEqual(reader.read(), None)
self.create_helper()
self.assertEqual(reader.read(), None)
reader.start_reading('device 1')
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(EV_REL, REL_WHEEL, 1))
self.assertEqual(reader.read(), (EV_REL, REL_WHEEL, 1))
self.assertEqual(len(reader._unreleased), 1)
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(EV_REL, REL_WHEEL, -1))
self.assertEqual(reader.read(), (EV_REL, REL_WHEEL, -1))
# notice that this is no combination of two sides, the previous
# entry in unreleased has to get overwritten. So there is still only
# one element in it.
self.assertEqual(len(reader._unreleased), 1)
self.assertEqual(reader.read(), None)
def test_reading_ignore_duplicate_down(self):
send_event_to_reader(new_event(EV_ABS, ABS_Z, 1, 10))
self.assertEqual(reader.read(), (EV_ABS, ABS_Z, 1))
self.assertEqual(reader.read(), None)
# duplicate
send_event_to_reader(new_event(EV_ABS, ABS_Z, 1, 10))
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 1)
self.assertEqual(len(reader.get_unreleased_keys()), 1)
self.assertIsInstance(reader.get_unreleased_keys(), Key)
# release
send_event_to_reader(new_event(EV_ABS, ABS_Z, 0, 10))
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 0)
self.assertIsNone(reader.get_unreleased_keys())
def test_reading_wheel(self):
# will be treated as released automatically at some point
self.create_helper()
reader.start_reading('device 1')
send_event_to_reader(new_event(EV_REL, REL_WHEEL, 0))
self.assertIsNone(reader.read())
send_event_to_reader(new_event(EV_REL, REL_WHEEL, 1))
result = reader.read()
self.assertIsInstance(result, Key)
self.assertEqual(result, (EV_REL, REL_WHEEL, 1))
self.assertEqual(result, ((EV_REL, REL_WHEEL, 1), ))
self.assertNotEqual(result, ((EV_REL, REL_WHEEL, 1), (1, 1, 1)))
self.assertEqual(result.keys, ((EV_REL, REL_WHEEL, 1), ))
# it won't return the same event twice
self.assertEqual(reader.read(), None)
# but it is still remembered unreleased
self.assertEqual(len(reader._unreleased), 1)
self.assertEqual(reader.get_unreleased_keys(), (EV_REL, REL_WHEEL, 1))
self.assertIsInstance(reader.get_unreleased_keys(), Key)
# as long as new wheel events arrive, it is considered unreleased
for _ in range(10):
send_event_to_reader(new_event(EV_REL, REL_WHEEL, 1))
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 1)
# read a few more times, at some point it is treated as unreleased
for _ in range(4):
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 0)
self.assertIsNone(reader.get_unreleased_keys())
"""combinations"""
send_event_to_reader(new_event(EV_REL, REL_WHEEL, 1, 1000))
send_event_to_reader(new_event(EV_KEY, KEY_COMMA, 1, 1001))
combi_1 = ((EV_REL, REL_WHEEL, 1), (EV_KEY, KEY_COMMA, 1))
combi_2 = ((EV_KEY, KEY_COMMA, 1), (EV_KEY, KEY_A, 1))
read = reader.read()
self.assertEqual(read, combi_1)
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 2)
self.assertEqual(reader.get_unreleased_keys(), combi_1)
# don't send new wheel down events, it should get released again
i = 0
while len(reader._unreleased) == 2:
read = reader.read()
if i == 100:
raise AssertionError('Did not release the wheel')
i += 1
# and only the comma remains. However, a changed combination is
# only returned when a new key is pressed. Only then the pressed
# down keys are collected in a new Key object.
self.assertEqual(read, None)
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 1)
self.assertEqual(reader.get_unreleased_keys(), combi_1[1])
# press down a new key, now it will return a different combination
send_event_to_reader(new_event(EV_KEY, KEY_A, 1, 1002))
self.assertEqual(reader.read(), combi_2)
self.assertEqual(len(reader._unreleased), 2)
# release all of them
send_event_to_reader(new_event(EV_KEY, KEY_COMMA, 0))
send_event_to_reader(new_event(EV_KEY, KEY_A, 0))
self.assertEqual(reader.read(), None)
self.assertEqual(len(reader._unreleased), 0)
self.assertEqual(reader.get_unreleased_keys(), None)
def test_combine_triggers(self):
reader.start_reading('device 1')
i = 0
def next_timestamp():
nonlocal i
i += 1
return time.time() + i
# based on an observed bug
send_event_to_reader(new_event(3, 1, 0, next_timestamp()))
send_event_to_reader(new_event(3, 0, 0, next_timestamp()))
send_event_to_reader(new_event(3, 2, 1, next_timestamp()))
self.assertEqual(reader.read(), (EV_ABS, ABS_Z, 1))
send_event_to_reader(new_event(3, 0, 0, next_timestamp()))
send_event_to_reader(new_event(3, 5, 1, next_timestamp()))
self.assertEqual(reader.read(),
((EV_ABS, ABS_Z, 1), (EV_ABS, ABS_RZ, 1)))
send_event_to_reader(new_event(3, 5, 0, next_timestamp()))
send_event_to_reader(new_event(3, 0, 0, next_timestamp()))
send_event_to_reader(new_event(3, 1, 0, next_timestamp()))
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(3, 2, 1, next_timestamp()))
send_event_to_reader(new_event(3, 1, 0, next_timestamp()))
send_event_to_reader(new_event(3, 0, 0, next_timestamp()))
# due to not properly handling the duplicate down event it cleared
# the combination and returned it. Instead it should report None
# and by doing that keep the previous combination.
self.assertEqual(reader.read(), None)
def test_reading_3(self):
self.create_helper()
# a combination of events via Socket with reads inbetween
reader.start_reading('gamepad')
send_event_to_reader(new_event(EV_KEY, CODE_1, 1, 1001))
self.assertEqual(reader.read(), ((EV_KEY, CODE_1, 1)))
custom_mapping.set('gamepad.joystick.left_purpose', BUTTONS)
send_event_to_reader(new_event(EV_ABS, ABS_Y, 1, 1002))
self.assertEqual(reader.read(),
((EV_KEY, CODE_1, 1), (EV_ABS, ABS_Y, 1)))
send_event_to_reader(new_event(EV_ABS, ABS_HAT0X, -1, 1003))
self.assertEqual(reader.read(),
((EV_KEY, CODE_1, 1), (EV_ABS, ABS_Y, 1),
(EV_ABS, ABS_HAT0X, -1)))
# adding duplicate down events won't report a different combination.
# import for triggers, as they keep reporting more down-events before
# they are released
send_event_to_reader(new_event(EV_ABS, ABS_Y, 1, 1005))
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(EV_ABS, ABS_HAT0X, -1, 1006))
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(EV_KEY, CODE_1, 0, 1004))
read = reader.read()
self.assertEqual(read, None)
send_event_to_reader(new_event(EV_ABS, ABS_Y, 0, 1007))
self.assertEqual(reader.read(), None)
send_event_to_reader(new_event(EV_KEY, ABS_HAT0X, 0, 1008))
self.assertEqual(reader.read(), None)