esp-idf/examples/system/base_mac_address/pytest_base_mac_address.py

# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0

import pytest
from pytest_embedded import Dut


@pytest.mark.supported_targets
@pytest.mark.generic
def test_base_mac_address(dut: Dut) -> None:
    dut.expect_exact('BASE_MAC: Base MAC Address read from EFUSE BLK0')
    hex_r = r', '.join((r'0x([0-9a-f]{1,2})',) * 6)
    mac_m = dut.expect(r'BASE_MAC: Using "' + hex_r + r'" as base MAC address', timeout=5).groups()

    def get_expected_mac_string(increment: int, target: str) -> str:
        '''
        Return the string representation of the MAC address mac_m with the last octet incremented.
        mac_m is an array of strings in hexa-decimal format without the '0x' prefix.
        '''
        # as a result of some esp32s2 chips burned with one MAC address by mistake,
        # there are some MAC address are reserved for this bug fix.
        # related mistake MAC address is 0x7cdfa1003000~0x7cdfa1005fff,
        # reserved MAC address is 0x7cdfa1020000~0x7cdfa1022fff (MAC address + 0x1d000).
        if target == 'esp32s2' and increment == 1:
            hex_string = ''.join([m.decode('utf8').rjust(2, '0') for m in mac_m])
            mac_bytes = int(hex_string, 16)

            if mac_bytes >= int('7cdfa1003000', 16) and mac_bytes <= int('7cdfa1005fff', 16):
                mac_bytes += int('1d000', 16)
                hex_string = f'{mac_bytes:x}'
                # Format the new string to match the expected output from the app (includes stripping leading zeroes)
                return ', '.join('0x{}'.format(hex_string[i:i + 2].lstrip('0')) for i in range(0, len(hex_string), 2))

        return ', '.join(['0x{}'.format(m.decode('utf8')) for m in mac_m[:-1]] + [hex((int(mac_m[-1], 16) + increment) & 0xFF)])

    sdkconfig = dut.app.sdkconfig

    if sdkconfig.get('ESP32_WIFI_ENABLED'):
        dut.expect_exact('WIFI_STA MAC: ' + get_expected_mac_string(0, dut.target), timeout=2)
        dut.expect_exact('SoftAP MAC: ' + get_expected_mac_string(1, dut.target))

    if dut.target != 'esp32s2':
        if sdkconfig.get('ESP_MAC_ADDR_UNIVERSE_BT'):
            dut.expect_exact('BT MAC: ' + get_expected_mac_string(2, dut.target))
        dut.expect_exact('Ethernet MAC: ' + get_expected_mac_string(3, dut.target))
        dut.expect_exact('New Ethernet MAC: ' + get_expected_mac_string(6, dut.target))