esp-idf/examples/protocols/websocket/example_test.py

import re
import os
import sys
import IDF
from IDF.IDFDUT import ESP32DUT

# this is a test case write with tiny-test-fw.
# to run test cases outside tiny-test-fw,
# we need to set environment variable `TEST_FW_PATH`,
# then get and insert `TEST_FW_PATH` to sys path before import FW module
test_fw_path = os.getenv("TEST_FW_PATH")
if test_fw_path and test_fw_path not in sys.path:
    sys.path.insert(0, test_fw_path)


@IDF.idf_example_test(env_tag="Example_WIFI", ignore=True)
def test_examples_protocol_websocket(env, extra_data):
    """
    steps: |
      1. join AP
      2. connect to ws://echo.websocket.org
      3. send and receive data
    """
    dut1 = env.get_dut("websocket", "examples/protocols/websocket", dut_class=ESP32DUT)
    # check and log bin size
    binary_file = os.path.join(dut1.app.binary_path, "websocket-example.bin")
    bin_size = os.path.getsize(binary_file)
    IDF.log_performance("websocket_bin_size", "{}KB".format(bin_size // 1024))
    IDF.check_performance("websocket_bin_size", bin_size // 1024)
    # start test
    dut1.start_app()
    dut1.expect("Waiting for wifi ...")
    dut1.expect("Connection established...", timeout=30)
    dut1.expect("WEBSOCKET_EVENT_CONNECTED")
    for i in range(0, 10):
        dut1.expect(re.compile(r"Sending hello (\d)"))
        dut1.expect(re.compile(r"Received=hello (\d)"))
    dut1.expect("Websocket Stopped")


if __name__ == '__main__':
    test_examples_protocol_websocket()