def test_device_add_neighbour_device(buffer_connection):
from moler.device.unixlocal import UnixLocal
dev1 = UnixLocal(io_connection=buffer_connection)
dev2 = UnixLocal(io_connection=buffer_connection)
neighbour_devices = dev1.get_neighbour_devices(device_type=UnixLocal)
assert 0 == len(neighbour_devices)
dev1.add_neighbour_device(neighbour_device=dev2, bidirectional=True)
neighbour_devices = dev1.get_neighbour_devices(device_type=UnixLocal)
assert 1 == len(neighbour_devices)
neighbour_devices = dev2.get_neighbour_devices(device_type=UnixLocal)
assert 1 == len(neighbour_devices)
# device is added only once
dev1.add_neighbour_device(neighbour_device=dev2)
neighbour_devices = dev1.get_neighbour_devices(device_type=UnixLocal)
assert 1 == len(neighbour_devices)
neighbour_devices = dev1.get_neighbour_devices(device_type=None)
assert 1 == len(neighbour_devices)
neighbour_devices = dev1.get_neighbour_devices(device_type=int)
assert 0 == len(neighbour_devices)
def test_device_add_neighbour_device_without_bidirectional(buffer_connection):
from moler.device.unixlocal import UnixLocal
dev1 = UnixLocal(io_connection=buffer_connection)
dev2 = UnixLocal(io_connection=buffer_connection)
dev1.add_neighbour_device(neighbour_device=dev2, bidirectional=False)
neighbour_devices = dev1.get_neighbour_devices(device_type=UnixLocal)
assert 1 == len(neighbour_devices)
neighbour_devices = dev2.get_neighbour_devices(device_type=UnixLocal)
assert 0 == len(neighbour_devices)