def test_poll():
poll = select.poll()
queue = Queue()
event = Event()
can = Can(board.CAN_0)
uart = Uart(1)
# Register both event channels.
poll.register(queue)
poll.register(event)
poll.register(can)
poll.register(uart)
# Timeout waiting for event.
assert poll.poll(0.01) == []
# Event write, poll and read.
event.write(0x1)
assert poll.poll() == [(event, select.POLLIN)]
assert event.read(0x1) == 0x1
# Queue write, poll and read.
queue.write(b'foo')
assert poll.poll() == [(queue, select.POLLIN)]
assert queue.read(3) == b'foo'
def test_bad_arguments():
queue = Queue()
with assert_raises(TypeError, "can't convert NoneType to int"):
queue.read(None)
with assert_raises(TypeError, "object with buffer protocol required"):
queue.write(None)
def test_bad_arguments():
queue = Queue()
with assert_raises(TypeError, "can't convert NoneType to int"):
queue.read(None)
with assert_raises(TypeError, "object with buffer protocol required"):
queue.write(None)
def test_poll():
poll = select.poll()
queue = Queue()
event = Event()
# Register both event channels.
poll.register(queue)
poll.register(event)
# Timeout waiting for event.
assert poll.poll(0.01) == []
# Event write, poll and read.
event.write(0x1)
assert poll.poll() == [(event, select.POLLIN)]
assert event.read(0x1) == 0x1
# Queue write, poll and read.
queue.write(b"foo")
assert poll.poll() == [(queue, select.POLLIN)]
assert queue.read(3) == b"foo"
def test_read_write():
queue = Queue()
queue.write(b'foo')
assert queue.size() == 3
assert queue.read(3) == b'foo'
BUTTON_PIN = board.PIN_GPIO0
UDP_ADDRESS = '192.168.1.103'
UDP_PORT = 30303
button = Event()
exti = Exti(BUTTON_PIN, Exti.FALLING, button, 0x1)
queue = Queue()
udp = socket.socket(type=socket.SOCK_DGRAM)
udp.bind((UDP_ADDRESS, UDP_PORT))
poll = select.poll()
poll.register(button)
poll.register(queue)
poll.register(udp)
queue.write('foo')
while True:
[(channel, eventmask)] = poll.poll()
if channel is button:
button.read(0x1)
print("button")
elif channel is queue:
print("queue:", queue.read(3))
elif channel is udp:
print("udp:", udp.recv(1024))
BUTTON_PIN = board.PIN_GPIO0
UDP_ADDRESS = '192.168.1.103'
UDP_PORT = 30303
button = Event()
exti = Exti(BUTTON_PIN, Exti.FALLING, button, 0x1)
queue = Queue()
udp = socket.socket(type=socket.SOCK_DGRAM)
udp.bind((UDP_ADDRESS, UDP_PORT))
poll = select.poll()
poll.register(button)
poll.register(queue)
poll.register(udp)
queue.write('foo')
while True:
[(channel, eventmask)] = poll.poll()
if channel is button:
button.read(0x1)
print("button")
elif channel is queue:
print("queue:", queue.read(3))
elif channel is udp:
print("udp:", udp.recv(1024))
def test_read_write():
queue = Queue()
queue.write(b'foo')
assert queue.size() == 3
assert queue.read(3) == b'foo'
