mirror of
https://github.com/espressif/esp-protocols.git
synced 2025-07-04 06:06:45 +02:00
129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
import os
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import random
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import re
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import socket
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import string
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from threading import Event, Thread
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import pytest
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import sys
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from SimpleWebSocketServer import SimpleWebSocketServer, WebSocket
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from pytest_embedded import Dut
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def get_my_ip():
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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# doesn't even have to be reachable
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s.connect(('8.8.8.8', 1))
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IP = s.getsockname()[0]
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except Exception:
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IP = '127.0.0.1'
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finally:
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s.close()
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return IP
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class WebsocketTestEcho(WebSocket):
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def handleMessage(self):
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self.sendMessage(self.data)
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print('Server sent: {}'.format(self.data))
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def handleConnected(self):
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print('Connection from: {}'.format(self.address))
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def handleClose(self):
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print('{} closed the connection'.format(self.address))
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# Simple Websocket server for testing purposes
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class Websocket(object):
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def send_data(self, data):
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for nr, conn in self.server.connections.items():
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conn.sendMessage(data)
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def run(self):
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self.server = SimpleWebSocketServer('', self.port, WebsocketTestEcho)
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while not self.exit_event.is_set():
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self.server.serveonce()
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def __init__(self, port):
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self.port = port
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self.exit_event = Event()
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self.thread = Thread(target=self.run)
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self.thread.start()
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.exit_event.set()
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self.thread.join(10)
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if self.thread.is_alive():
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Utility.console_log('Thread cannot be joined', 'orange')
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def test_examples_protocol_websocket(dut):
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"""
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steps:
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1. obtain IP address
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2. connect to uri specified in the config
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3. send and receive data
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"""
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def test_echo(dut):
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dut.expect('WEBSOCKET_EVENT_CONNECTED')
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for i in range(0, 5):
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dut.expect(re.compile(b'Received=hello (\\d)'))
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print('All echos received')
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def test_close(dut):
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code = dut.expect(re.compile(b'WEBSOCKET: Received closed message with code=(\\d*)'))[0]
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print('Received close frame with code {}'.format(code))
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def test_recv_long_msg(dut, websocket, msg_len, repeats):
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send_msg = ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(msg_len))
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for _ in range(repeats):
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websocket.send_data(send_msg)
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recv_msg = ''
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while len(recv_msg) < msg_len:
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match = dut.expect(re.compile(b'Received=([a-zA-Z0-9]*).*')).group(1).decode()
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recv_msg += match
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if recv_msg == send_msg:
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print('Sent message and received message are equal')
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else:
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raise ValueError('DUT received string do not match sent string, \nexpected: {}\nwith length {}\
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\nreceived: {}\nwith length {}'.format(send_msg, len(send_msg), recv_msg, len(recv_msg)))
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# Starting of the test
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try:
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if dut.app.sdkconfig.get('WEBSOCKET_URI_FROM_STDIN') is True:
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uri_from_stdin = True
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else:
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uri = dut.app.sdkconfig['WEBSOCKET_URI']
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uri_from_stdin = False
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except Exception:
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print('ENV_TEST_FAILURE: Cannot find uri settings in sdkconfig')
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raise
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if uri_from_stdin:
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server_port = 8080
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with Websocket(server_port) as ws:
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uri = 'ws://{}:{}'.format(get_my_ip(), server_port)
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print('DUT connecting to {}'.format(uri))
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dut.expect('Please enter uri of websocket endpoint', timeout=30)
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dut.write(uri)
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test_echo(dut)
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# Message length should exceed DUT's buffer size to test fragmentation, default is 1024 byte
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test_recv_long_msg(dut, ws, 2000, 3)
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test_close(dut)
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else:
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print('DUT connecting to {}'.format(uri))
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test_echo(dut)
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