def test_assemble_packet_no_crc():
assert etree_to_bytes(assemble_packet(
E.dle())) == b'<packet><dle/></packet>'
def test_assemble_packet_crc():
assert etree_to_bytes(assemble_packet(
E.dle(), True)) == b'<packet crc="4259D34E"><dle/></packet>'
def test_send_existing_command(printer):
pkt = printer.send_command(E.dle(), True)
assert pkt.dle.get('online') in ('yes', 'no')
def test_etree_to_bytes():
assert etree_to_bytes(E.dle()) == b'<dle/>'
def dle(self):
return self.send_command(E.dle(), True).dle.attrib
