CI: update test cases to use different environment variables

change test environments
optimize asio udp server test
fix icmp echo test case
use ethernet_router env to run iperf test cases

examples/protocols/sntp/pytest_sntp.py

@@ -0,0 +1,55 @@
+# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+import datetime
+import logging
+from typing import Any, Tuple
+
+import pytest
+from common_test_methods import get_env_config
+from pytest_embedded import Dut
+
+
+@pytest.mark.esp32
+@pytest.mark.wifi_nearby
+def test_get_time_from_sntp_server(dut: Dut) -> None:
+    dut.expect('Time is not set yet. Connecting to WiFi and getting time over NTP.')
+    if dut.app.sdkconfig.get('EXAMPLE_WIFI_SSID_PWD_FROM_STDIN') is True:
+        # get env config
+        env_config = get_env_config('wifi_nearby')
+        ap_ssid = env_config['ap_ssid']
+        ap_password = env_config['ap_password']
+        dut.expect('Please input ssid password:')
+        dut.write(' '.join([ap_ssid, ap_password]))
+    dut.expect('IPv4 address:')
+
+    dut.expect('Initializing SNTP')
+    dut.expect(r'Waiting for system time to be set... \(\d+/\d+\)')
+    dut.expect('Notification of a time synchronization event')
+
+    TIME_FORMAT = '%a %b %d %H:%M:%S %Y'
+    TIME_FORMAT_REGEX = r'\w+\s+\w+\s+\d{1,2}\s+\d{2}:\d{2}:\d{2} \d{4}'
+    TIME_DIFF = datetime.timedelta(seconds=10 + 2)  # cpu spends 10 seconds in deep sleep
+    NY_time = None
+    SH_time = None
+
+    def check_time(prev_NY_time: Any, prev_SH_time: Any) -> Tuple[Any, Any]:
+        NY_str = dut.expect(r'The current date/time in New York is: ({})'.format(TIME_FORMAT_REGEX))[1].decode()
+        SH_str = dut.expect(r'The current date/time in Shanghai is: ({})'.format(TIME_FORMAT_REGEX))[1].decode()
+        logging.info('New York: "{}"'.format(NY_str))
+        logging.info('Shanghai: "{}"'.format(SH_str))
+        dut.expect('Entering deep sleep for 10 seconds')
+        logging.info('Sleeping...')
+        new_NY_time = datetime.datetime.strptime(NY_str, TIME_FORMAT)
+        new_SH_time = datetime.datetime.strptime(SH_str, TIME_FORMAT)
+
+        # The initial time is not checked because datetime has problems with timezones
+        assert not prev_NY_time or new_NY_time - prev_NY_time < TIME_DIFF
+        assert not prev_SH_time or new_SH_time - prev_SH_time < TIME_DIFF
+
+        return (new_NY_time, new_SH_time)
+
+    NY_time, SH_time = check_time(NY_time, SH_time)
+    for i in range(2, 4):
+        dut.expect('example: Boot count: {}'.format(i), timeout=30)
+        NY_time, SH_time = check_time(NY_time, SH_time)