def test_do_set():
''' Test that we can set digital outputs '''
out = ''
with pk.Karbon() as dev:
dev.write(0, '1')
sleep(STANDARD_DELAY)
dev.write(0, '0')
out = dev.terminal.popdata()
assert out
def test_can_write():
''' Test that we can write to the can bus '''
out = ''
with pk.Karbon() as dev:
dev.write(0x123, 0x11223344)
sleep(STANDARD_DELAY)
out = dev.can.popdata()
assert '123 11223344' in out
def test_context_manager_time():
''' Test that the context manager can be opened and used in a reasonable timeframe '''
start = time()
with pk.Karbon() as dev:
dev.show_info()
out = dev.terminal.info['version']['value']
end = time() - start
assert end < 15
assert re.match(r'(v)?(\d\.){3}\d', out)
def test_close_open():
''' Tests that a connection can be opened and closed '''
dev = pk.Karbon()
assert dev.can.isopen
assert dev.terminal.isopen
dev.close()
assert not dev.can.isopen
assert not dev.can.isopen
def test_write_generic_string():
''' Confirm that we can write a generic string to the port '''
from re import match
dev = pk.Karbon(automon=False)
dev.open()
dev.write('version')
sleep(STANDARD_DELAY)
out = dev.read()
dev.close()
check = match(r"<.+v(\d\.){3}\d.+>", out)
assert check
def test_param_set(capsys):
''' Check that we can set configuration parameters '''
out = ''
with pk.Karbon(baudrate=None) as dev:
dev.write('can-baudrate', '750')
sleep(STANDARD_DELAY)
out = (dev.terminal.info['can-baudrate']['value'])
dev.write('can-baudrate', '800')
captured = capsys.readouterr()
assert 'Error' not in captured.out
assert '750' in out
def test_show_info():
''' Test that we can show info '''
with pk.Karbon() as dev:
dev.show_info()
def test_context_manager():
''' Tests that we can use pykarbon as a context managed system '''
with pk.Karbon() as dev:
assert dev.can.isopen
assert dev.terminal.isopen