mirror of
https://github.com/espressif/esp-idf.git
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113 lines
4.5 KiB
Python
113 lines
4.5 KiB
Python
# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import logging
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import os
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from pathlib import Path
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import pytest
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from test_build_system_helpers import IdfPyFunc
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from test_build_system_helpers import append_to_file
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from test_build_system_helpers import bin_file_contains
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from test_build_system_helpers import get_snapshot
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from test_build_system_helpers import replace_in_file
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CONFIGDEP_TEST_APP = 'tools/test_build_system/configdep_test_app'
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CONFIGDEP_ELF = Path(os.path.join('build', 'configdep_test_app.elf'))
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def _main_obj_dir(request: pytest.FixtureRequest) -> str:
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# cmakev2 names the main component target ``_idf_main``; cmakev1 uses ``__idf_main``.
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target_dir = '_idf_main.dir' if request.config.getoption('buildv2', False) else '__idf_main.dir'
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return os.path.join('build', 'esp-idf', 'main', 'CMakeFiles', target_dir)
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@pytest.fixture
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def main_obj(request: pytest.FixtureRequest) -> str:
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return os.path.join(_main_obj_dir(request), 'configdep_main.c.obj')
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@pytest.fixture
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def unrelated_obj(request: pytest.FixtureRequest) -> str:
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return os.path.join(_main_obj_dir(request), 'unrelated.c.obj')
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@pytest.fixture(autouse=True)
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def _select_build_system(test_app_copy: Path, request: pytest.FixtureRequest) -> None:
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"""Build the shared configdep app with the requested build system.
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The app sources are build-system agnostic; only the top-level
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``CMakeLists.txt`` differs. When running with ``--buildv2``, switch it to the
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cmakev2 entry point so the same test exercises configdep on both build systems.
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"""
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if not request.config.getoption('buildv2', False):
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return
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replace_in_file(
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'CMakeLists.txt',
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'include($ENV{IDF_PATH}/tools/cmake/project.cmake)',
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'include($ENV{IDF_PATH}/tools/cmakev2/idf.cmake)',
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)
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replace_in_file(
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'CMakeLists.txt',
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'project(configdep_test_app)',
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'project(configdep_test_app C CXX ASM)\nidf_project_default()',
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)
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@pytest.mark.test_app_copy(CONFIGDEP_TEST_APP)
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def test_configdep_selective_rebuild(idf_py: IdfPyFunc, main_obj: str, unrelated_obj: str) -> None:
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"""Verify selective rebuild when a Kconfig option toggles.
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``esp-idf-configdep`` scans each translation unit's source for ``CONFIG_*``
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tokens and appends matching ``.cdep`` stubs to the compiler depfile. Avoid
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spelling projbuild-only symbols (even in comments) in ``unrelated.c``, or the
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scanner adds a spurious ``option.cdep`` edge and Ninja rebuilds that ``.obj``.
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"""
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logging.info('initial build with configdep enabled (default)')
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idf_py('build')
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logging.info('toggle CONFIG_TEST_CONFIGDEP_OPTION from y to n')
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replace_in_file('sdkconfig', 'CONFIG_TEST_CONFIGDEP_OPTION=y', '# CONFIG_TEST_CONFIGDEP_OPTION is not set')
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snapshot_main = get_snapshot(main_obj)
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snapshot_unrelated = get_snapshot(unrelated_obj)
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logging.info('rebuild after config change')
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idf_py('build')
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logging.info('configdep_main.c.obj must be rebuilt (references changed option)')
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snapshot_main.assert_different(get_snapshot(main_obj))
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logging.info('unrelated.c.obj must not be rebuilt (no CONFIG_* token for that option in source)')
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snapshot_unrelated.assert_same(get_snapshot(unrelated_obj))
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@pytest.mark.test_app_copy(CONFIGDEP_TEST_APP)
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def test_configdep_no_rebuild_without_change(idf_py: IdfPyFunc, main_obj: str, unrelated_obj: str) -> None:
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logging.info('initial build with configdep enabled (default)')
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idf_py('build')
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snapshot_main = get_snapshot(main_obj)
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snapshot_unrelated = get_snapshot(unrelated_obj)
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logging.info('rebuild with no config changes')
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idf_py('build')
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logging.info('neither object file should be rebuilt')
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snapshot_main.assert_same(get_snapshot(main_obj))
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snapshot_unrelated.assert_same(get_snapshot(unrelated_obj))
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@pytest.mark.test_app_copy(CONFIGDEP_TEST_APP)
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def test_configdep_elf_strings_track_sdkconfig_toggle(idf_py: IdfPyFunc) -> None:
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"""After rebuild, the firmware string matches the final Kconfig (host-side ELF check)."""
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idf_py('build')
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assert CONFIGDEP_ELF.is_file()
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assert bin_file_contains(CONFIGDEP_ELF, b'CONFIGDEP_OPTION: ENABLED')
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assert not bin_file_contains(CONFIGDEP_ELF, b'CONFIGDEP_OPTION: DISABLED')
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append_to_file('sdkconfig', '\n# CONFIG_TEST_CONFIGDEP_OPTION is not set\n')
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idf_py('build')
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assert bin_file_contains(CONFIGDEP_ELF, b'CONFIGDEP_OPTION: DISABLED')
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assert not bin_file_contains(CONFIGDEP_ELF, b'CONFIGDEP_OPTION: ENABLED')
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