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			194 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			194 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import print_function
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from __future__ import unicode_literals
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from builtins import str
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import re
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import os
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import sys
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import ssl
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import paho.mqtt.client as mqtt
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from threading import Thread, Event
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import time
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import string
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import random
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try:
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    import IDF
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    from IDF.IDFDUT import ESP32DUT
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except ImportError:
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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 IDF
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import DUT
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event_client_connected = Event()
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event_stop_client = Event()
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event_client_received_correct = Event()
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message_log = ""
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broker_host = {}
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broker_port = {}
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expected_data = ""
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subscribe_topic = ""
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publish_topic = ""
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expected_count = 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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    print("Connected with result code " + str(rc))
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    event_client_connected.set()
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    client.subscribe("/topic/qos0")
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def mqtt_client_task(client):
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    while not event_stop_client.is_set():
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        client.loop()
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def get_host_port_from_dut(dut1, config_option):
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    value = re.search(r'\:\/\/([^:]+)\:([0-9]+)', dut1.app.get_sdkconfig()[config_option])
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    return value.group(1), int(value.group(2))
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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 message_log
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    global expected_count
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    payload = msg.payload.decode()
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    if payload == expected_data:
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        expected_count += 1
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        print("[{}] Received...".format(msg.mid))
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    message_log += "Received data:" + msg.topic + " " + payload + "\n"
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def test_single_config(dut, transport, qos, repeat, published):
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    global expected_count
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    global expected_data
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    global message_log
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    sample_string = ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(16))
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    event_client_connected.clear()
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    expected_count = 0
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    message_log = ""
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    expected_data = sample_string * repeat
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    print("PUBLISH TEST: transport:{}, qos:{}, sequence:{}, sample msg:'{}'".format(transport, qos, published, expected_data))
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    client = None
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    try:
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        if transport in ["ws", "wss"]:
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            client = mqtt.Client(transport="websockets")
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            client.ws_set_options(path="/ws", headers=None)
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        else:
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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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        if transport in ["ssl", "wss"]:
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            client.tls_set(None, None, 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_host[transport], broker_port[transport], 60)
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    except Exception:
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        print("ENV_TEST_FAILURE: Unexpected error while connecting to broker {}: {}:".format(broker_host[transport], sys.exc_info()[0]))
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        raise
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    # Starting a py-client in a separate thread
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    thread1 = Thread(target=mqtt_client_task, args=(client,))
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    thread1.start()
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    print("Connecting py-client to broker {}:{}...".format(broker_host[transport], broker_port[transport]))
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    if not event_client_connected.wait(timeout=30):
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        raise ValueError("ENV_TEST_FAILURE: Test script cannot connect to broker: {}".format(broker_host[transport]))
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    client.subscribe(subscribe_topic, qos)
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    dut.write("{} {} {} {} {}".format(transport, sample_string, repeat, published, qos), eol="\n")
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    try:
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        # waiting till subscribed to defined topic
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        dut.expect(re.compile(r"MQTT_EVENT_SUBSCRIBED"), timeout=30)
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        for i in range(published):
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            client.publish(publish_topic, sample_string * repeat, qos)
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            print("Publishing...")
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        print("Checking esp-client received msg published from py-client...")
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        dut.expect(re.compile(r"Correct pattern received exactly x times"), timeout=60)
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        start = time.time()
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        while expected_count < published and time.time() - start <= 60:
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            time.sleep(1)
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        # Note: tolerate that messages qos=1 to be received more than once
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        if expected_count == published or (expected_count > published and qos == 1):
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            print("All data received from ESP32...")
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        else:
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            raise ValueError("Not all data received from ESP32: Expected:{}x{}, Received:{}x{}".format(expected_data, published, message_log, expected_count))
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    finally:
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        event_stop_client.set()
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        thread1.join()
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    client.disconnect()
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    event_stop_client.clear()
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@IDF.idf_example_test(env_tag="Example_WIFI")
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def test_weekend_mqtt_publish(env, extra_data):
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    # Using broker url dictionary for different transport
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    global broker_host
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    global broker_port
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    global publish_topic
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    global subscribe_topic
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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_publish", "examples/protocols/mqtt/publish_test", dut_class=ESP32DUT)
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    # check and log bin size
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    binary_file = os.path.join(dut1.app.binary_path, "mqtt_publish.bin")
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    bin_size = os.path.getsize(binary_file)
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    IDF.log_performance("mqtt_publish_bin_size", "{}KB"
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                        .format(bin_size // 1024))
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    IDF.check_performance("mqtt_publish_size", bin_size // 1024)
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    # Look for host:port in sdkconfig
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    try:
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        # python client subscribes to the topic to which esp client publishes and vice versa
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        publish_topic = dut1.app.get_sdkconfig()["CONFIG_EXAMPLE_SUBSCIBE_TOPIC"].replace('"','')
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        subscribe_topic = dut1.app.get_sdkconfig()["CONFIG_EXAMPLE_PUBLISH_TOPIC"].replace('"','')
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        broker_host["ssl"], broker_port["ssl"] = get_host_port_from_dut(dut1, "CONFIG_EXAMPLE_BROKER_SSL_URI")
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        broker_host["tcp"], broker_port["tcp"] = get_host_port_from_dut(dut1, "CONFIG_EXAMPLE_BROKER_TCP_URI")
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        broker_host["ws"], broker_port["ws"] = get_host_port_from_dut(dut1, "CONFIG_EXAMPLE_BROKER_WS_URI")
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        broker_host["wss"], broker_port["wss"] = get_host_port_from_dut(dut1, "CONFIG_EXAMPLE_BROKER_WSS_URI")
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    except Exception:
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        print('ENV_TEST_FAILURE: Cannot find broker url in sdkconfig')
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        raise
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    dut1.start_app()
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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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    except DUT.ExpectTimeout:
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        print('ENV_TEST_FAILURE: Cannot connect to AP')
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        raise
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    for qos in [0, 1, 2]:
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        for transport in ["tcp", "ssl", "ws", "wss"]:
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            # simple test with empty message
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            test_single_config(dut1, transport, qos, 0, 5)
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            # decide on broker what level of test will pass (local broker works the best)
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            if broker_host[transport].startswith("192.168") and qos < 1:
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                # medium size, medium repeated
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                test_single_config(dut1, transport, qos, 5, 50)
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                # long data
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                test_single_config(dut1, transport, qos, 1000, 10)
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                # short data, many repeats
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                test_single_config(dut1, transport, qos, 2, 200)
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            elif transport in ["ws", "wss"]:
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                # more relaxed criteria for websockets!
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                test_single_config(dut1, transport, qos, 2, 5)
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                test_single_config(dut1, transport, qos, 50, 1)
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                test_single_config(dut1, transport, qos, 10, 20)
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            else:
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                # common configuration should be good for most public mosquittos
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                test_single_config(dut1, transport, qos, 5, 10)
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                test_single_config(dut1, transport, qos, 500, 3)
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                test_single_config(dut1, transport, qos, 1, 50)
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if __name__ == '__main__':
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    test_weekend_mqtt_publish()
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