ci: add simple test for idf_size.py python compatibility

This adds a simple test that tries to run idf_size.py help and check
if the process does not exit with error. This is just to make sure
that idf_size.py can be used with minimum required python version.

Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>

.gitlab/ci/host-test.yml

@@ -228,6 +228,8 @@ test_tools:
     - pytest --noconftest test_idf_qemu.py     --junitxml=${IDF_PATH}/XUNIT_IDF_PY_QEMU.xml               || stat=1
     - cd ${IDF_PATH}/tools/test_mkdfu
     - pytest --noconftest test_mkdfu.py        --junitxml=${IDF_PATH}/XUNIT_MKDFU.xml                     || stat=1
+    - cd ${IDF_PATH}/tools/test_idf_size
+    - pytest --noconftest test_idf_size.py     --junitxml=${IDF_PATH}/XUNIT_IDF_SIZE.xml                  || stat=1
     - cd ${IDF_PATH}
     - shellcheck -s sh tools/detect_python.sh                                                             || stat=1
     - shellcheck -s bash tools/detect_python.sh                                                           || stat=1

.gitlab/ci/rules.yml

@@ -86,6 +86,7 @@
   - "tools/test_idf_py/**/*"
 
   - "tools/idf_size.py"
+  - "tools/test_idf_size/**/*"
 
   - "tools/tools.json"
   - "tools/tools_schema.json"

tools/test_idf_size/pytest.ini

@@ -0,0 +1,12 @@
+[pytest]
+addopts = -s -p no:pytest_embedded
+
+# log related
+log_cli = True
+log_cli_level = INFO
+log_cli_format = %(asctime)s %(levelname)s %(message)s
+log_cli_date_format = %Y-%m-%d %H:%M:%S
+
+## log all to `system-out` when case fail
+junit_logging = stdout
+junit_log_passing_tests = False

tools/test_idf_size/test_idf_size.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+# SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+import logging
+import os
+import sys
+from pathlib import Path
+from subprocess import DEVNULL
+from subprocess import run
+
+
+def test_idf_size() -> None:
+    # Simple test to make sure that the idf_size.py wrapper is compatible
+    # with idf.py minimum required python version.
+    logging.info('idf_size.py python compatibility check')
+    idf_size_path = Path(os.environ['IDF_PATH']) / 'tools' / 'idf_size.py'
+    run([sys.executable, idf_size_path, '--help'], stdout=DEVNULL, stderr=DEVNULL, check=True)