104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
import re
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import os
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import sys
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import time
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import socket
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import imp
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import ssl
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import paho.mqtt.client as mqtt
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g_recv_data=""
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g_recv_topic=""
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g_broker_connected=0
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# The callback for when the client receives a CONNACK response from the server.
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def on_connect(client, userdata, flags, rc):
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global g_broker_connected
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print("Connected with result code "+str(rc))
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g_broker_connected = 1
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client.subscribe("/topic/qos0")
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# The callback for when a PUBLISH message is received from the server.
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def on_message(client, userdata, msg):
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global g_recv_topic
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global g_recv_data
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payload = msg.payload.decode()
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if g_recv_data == "" and payload == "data":
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client.publish("/topic/qos0", "data_to_esp32")
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g_recv_topic = msg.topic
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g_recv_data = payload
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print(msg.topic+" "+str(payload))
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# this is a test case write with tiny-test-fw.
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# to run test cases outside tiny-test-fw,
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# we need to set environment variable `TEST_FW_PATH`,
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# then get and insert `TEST_FW_PATH` to sys path before import FW module
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test_fw_path = os.getenv("TEST_FW_PATH")
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if test_fw_path and test_fw_path not in sys.path:
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sys.path.insert(0, test_fw_path)
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import TinyFW
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import IDF
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import DUT
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@IDF.idf_example_test(env_tag="Example_WIFI")
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def test_examples_protocol_mqtt_ssl(env, extra_data):
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global g_recv_topic
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global g_recv_data
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global g_broker_connected
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broker_url="iot.eclipse.org"
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"""
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steps: |
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1. join AP and connects to ssl broker
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2. Test connects a client to the same broker
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3. Test evaluates python client received correct qos0 message
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4. Test ESP32 client received correct qos0 message
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"""
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dut1 = env.get_dut("mqtt_ssl", "examples/protocols/mqtt/ssl")
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# check and log bin size
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binary_file = os.path.join(dut1.app.binary_path, "mqtt_ssl.bin")
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bin_size = os.path.getsize(binary_file)
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IDF.log_performance("mqtt_ssl_bin_size", "{}KB".format(bin_size//1024))
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IDF.check_performance("mqtt_ssl_size", bin_size//1024)
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# 1. start test (and check the environment is healthy)
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dut1.start_app()
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client = None
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# 2. Test connects to a broker
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try:
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ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
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print("Connected to AP with IP: {}".format(ip_address))
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client = mqtt.Client()
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client.on_connect = on_connect
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client.on_message = on_message
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client.tls_set(None,
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None,
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None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
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client.tls_insecure_set(True)
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print("Connecting...")
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client.connect(broker_url, 8883, 60)
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print("...done")
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except DUT.ExpectTimeout:
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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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except:
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print("ENV_TEST_FAILURE: Unexpected error while connecting to broker {}: {}:".format(broker_url, sys.exc_info()[0]))
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raise
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print("Start Looping...")
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start = time.time()
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while (time.time() - start) <= 20:
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client.loop()
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print("...done")
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if g_broker_connected == 0:
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raise ValueError('ENV_TEST_FAILURE: Test script cannot connect to broker: {}'.format(broker_url))
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# 3. check the message received back from the server
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if g_recv_topic == "/topic/qos0" and g_recv_data == "data" :
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print("PASS: Received correct message")
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else:
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print("Failure!")
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raise ValueError('Wrong data received topic: {}, data:{}'.format(g_recv_topic, g_recv_data))
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# 4. check that the esp32 client received data sent by this python client
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dut1.expect(re.compile(r"DATA=data_to_esp32"), timeout=30)
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if __name__ == '__main__':
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test_examples_protocol_mqtt_ssl()
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