def test_polling_interval(my_config):
server_thread = threading.Thread(target=run_simulation_server, args=[20])
server_thread.start()
my_buffer = Buffer(my_config)
ua_listener = OPCUAListener(my_config, my_buffer)
time.sleep(3)
ua_listener.connect()
time.sleep(5)
ua_listener.exit()
time.sleep(5)
server_thread.join()
print('Buffer length=', my_buffer.len())
assert 9 <= my_buffer.len() <= 11
def connect_online_disconnect_offline(my_config):
server_thread = threading.Thread(target=run_simulation_server, args=[15])
server_thread.start()
my_buffer = Buffer(my_config)
ua_listener = OPCUAListener(my_config, my_buffer)
time.sleep(3)
ua_listener.connect()
time.sleep(30)
ua_listener.exit()
time.sleep(15)
assert my_buffer.len() >= 0
def test_reconnection_new_server_one_retry(my_config):
my_config['opcua']['number_of_reconnections'] = 1
server_thread = threading.Thread(target=run_simulation_server, args=[20])
server_thread.start()
my_buffer = Buffer(my_config)
ua_listener = OPCUAListener(my_config, my_buffer)
time.sleep(3)
ua_listener.connect()
time.sleep(40)
server_thread.join()
buffer_len_after_first_stop = my_buffer.len()
log_event(my_config, 'TEST', '', 'INFO',
'Buffer length = ' + str(my_buffer.len()))
server_thread = threading.Thread(target=run_simulation_server, args=[20])
server_thread.start()
time.sleep(20)
ua_listener.exit()
time.sleep(15)
log_event(my_config, 'TEST', '', 'INFO',
'Buffer length = ' + str(my_buffer.len()))
server_thread.join()
assert my_buffer.len() == buffer_len_after_first_stop
