from __future__ import print_function, unicode_literals import os import re import sys from builtins import str from threading import Event, Thread import paho.mqtt.client as mqtt import ttfw_idf from tiny_test_fw import DUT event_client_connected = Event() event_stop_client = Event() event_client_received_correct = Event() message_log = '' # The callback for when the client receives a CONNACK response from the server. def on_connect(client, userdata, flags, rc): print('Connected with result code ' + str(rc)) event_client_connected.set() client.subscribe('/topic/qos0') def mqtt_client_task(client): while not event_stop_client.is_set(): client.loop() # The callback for when a PUBLISH message is received from the server. def on_message(client, userdata, msg): global message_log payload = msg.payload.decode() if not event_client_received_correct.is_set() and payload == 'data': client.publish('/topic/qos0', 'data_to_esp32') if msg.topic == '/topic/qos0' and payload == 'data': event_client_received_correct.set() message_log += 'Received data:' + msg.topic + ' ' + payload + '\n' @ttfw_idf.idf_example_test(env_tag='ethernet_router') def test_examples_protocol_mqtt_ws(env, extra_data): broker_url = '' broker_port = 0 """ steps: | 1. join AP and connects to ws broker 2. Test connects a client to the same broker 3. Test evaluates it received correct qos0 message 4. Test ESP32 client received correct qos0 message """ dut1 = env.get_dut('mqtt_websocket', 'examples/protocols/mqtt/ws', dut_class=ttfw_idf.ESP32DUT) # check and log bin size binary_file = os.path.join(dut1.app.binary_path, 'mqtt_websocket.bin') bin_size = os.path.getsize(binary_file) ttfw_idf.log_performance('mqtt_websocket_bin_size', '{}KB'.format(bin_size // 1024)) # Look for host:port in sdkconfig try: value = re.search(r'\:\/\/([^:]+)\:([0-9]+)', dut1.app.get_sdkconfig()['CONFIG_BROKER_URI']) broker_url = value.group(1) broker_port = int(value.group(2)) except Exception: print('ENV_TEST_FAILURE: Cannot find broker url in sdkconfig') raise client = None # 1. Test connects to a broker try: client = mqtt.Client(transport='websockets') client.on_connect = on_connect client.on_message = on_message print('Connecting...') client.connect(broker_url, broker_port, 60) except Exception: print('ENV_TEST_FAILURE: Unexpected error while connecting to broker {}: {}:'.format(broker_url, sys.exc_info()[0])) raise # Starting a py-client in a separate thread thread1 = Thread(target=mqtt_client_task, args=(client,)) thread1.start() try: print('Connecting py-client to broker {}:{}...'.format(broker_url, broker_port)) if not event_client_connected.wait(timeout=30): raise ValueError('ENV_TEST_FAILURE: Test script cannot connect to broker: {}'.format(broker_url)) dut1.start_app() try: ip_address = dut1.expect(re.compile(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]'), timeout=30)[0] print('Connected to AP with IP: {}'.format(ip_address)) except DUT.ExpectTimeout: print('ENV_TEST_FAILURE: Cannot connect to AP') raise print('Checking py-client received msg published from esp...') if not event_client_received_correct.wait(timeout=30): raise ValueError('Wrong data received, msg log: {}'.format(message_log)) print('Checking esp-client received msg published from py-client...') dut1.expect(re.compile(r'DATA=data_to_esp32'), timeout=30) finally: event_stop_client.set() thread1.join() if __name__ == '__main__': test_examples_protocol_mqtt_ws()