def test_radio_init_default():
"""
Ensure a Radio object is initialised in the expected way:
* It has a BLERadio instance.
* The self.uid counter is set to 0.
* The self.msg_pool is initialised as an empty set.
* The channel is set to the default 42.
"""
r = adafruit_ble_radio.Radio()
assert r.ble == adafruit_ble_radio.BLERadio()
assert r.uid == 0
assert r.msg_pool == set()
assert r._channel == 42
def test_radio_init_channel():
"""
If a channel argument is passed to initialisation, this is correctly set.
"""
r = adafruit_ble_radio.Radio(channel=7)
assert r._channel == 7
def radio():
"""
A fixture to recreate a new Radio instance for each test that needs it.
"""
return adafruit_ble_radio.Radio()