ci: add test to check wifi bin size when disable softap

Author: ydhub

examples/wifi/getting_started/station/pytest_wifi_station.py

@@ -0,0 +1,49 @@
+# SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
+import os
+from typing import Callable
+from typing import Tuple
+
+import pytest
+from pytest_embedded import Dut
+
+# diff of esp32s2/esp32s3 ~45K, others ~50K
+DIFF_THRESHOLD = {
+    'esp32s2': 40 * 1000,
+    'esp32s3': 40 * 1000,
+    'default': 45 * 1000,
+}
+
+
+@pytest.mark.esp32
+@pytest.mark.esp32c2
+@pytest.mark.esp32c3
+@pytest.mark.esp32s2
+@pytest.mark.esp32s3
+@pytest.mark.esp32c5
+@pytest.mark.esp32c6
+@pytest.mark.esp32c61
+@pytest.mark.wifi_two_dut
+@pytest.mark.parametrize(
+    'count, config, skip_autoflash', [
+        (2, 'default|enable_softap', 'y')
+    ], indirect=True
+)
+def test_wifi_sdkconfig_disable_softap_save_binary_size(
+    dut: Tuple[Dut, Dut],
+    log_performance: Callable[[str, object], None],
+) -> None:
+    # dut logs are not needed
+    dut[0].serial.close()
+    dut[1].serial.close()
+
+    app_without_softap = dut[0].app
+    app_with_softap = dut[1].app
+    assert app_without_softap.sdkconfig['ESP_WIFI_SOFTAP_SUPPORT'] is False
+    assert app_with_softap.sdkconfig['ESP_WIFI_SOFTAP_SUPPORT'] is True
+
+    diff = os.path.getsize(app_with_softap.bin_file) - os.path.getsize(app_without_softap.bin_file)
+    log_performance('wifi_disable_softap_save_bin_size', f'{diff} bytes')
+
+    diff_threshold = DIFF_THRESHOLD.get(dut[0].target) or DIFF_THRESHOLD['default']
+    assert diff > diff_threshold

examples/wifi/getting_started/station/sdkconfig.ci.enable_softap

@@ -0,0 +1 @@
+CONFIG_ESP_WIFI_SOFTAP_SUPPORT=y