esp-idf/tools/test_build_system/conftest.py

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# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
import datetime
import logging
import os
import shutil
import subprocess
import typing
from pathlib import Path
from tempfile import mkdtemp
import pytest
from _pytest.fixtures import FixtureRequest
from test_build_system_helpers import EXT_IDF_PATH, EnvDict, IdfPyFunc, get_idf_build_env, run_idf_py
# Pytest hook used to check if the test has passed or failed, from a fixture.
# Based on https://docs.pytest.org/en/latest/example/simple.html#making-test-result-information-available-in-fixtures
@pytest.hookimpl(tryfirst=True, hookwrapper=True)
def pytest_runtest_makereport(item: typing.Any, call: typing.Any) -> typing.Generator[None, pytest.TestReport, None]: # pylint: disable=unused-argument
outcome = yield # Execute all other hooks to obtain the report object
report = outcome.get_result()
if report.when == 'call' and report.passed:
# set an attribute which can be checked using 'should_clean_test_dir' function below
setattr(item, 'passed', True)
def should_clean_test_dir(request: FixtureRequest) -> bool:
# Only remove the test directory if the test has passed
return getattr(request.node, 'passed', False)
def pytest_addoption(parser: pytest.Parser) -> None:
parser.addoption(
'--work-dir', action='store', default=None,
help='Directory for temporary files. If not specified, an OS-specific '
'temporary directory will be used.'
)
@pytest.fixture(name='session_work_dir', scope='session', autouse=True)
def fixture_session_work_dir(request: FixtureRequest) -> typing.Generator[Path, None, None]:
work_dir = request.config.getoption('--work-dir')
if work_dir:
work_dir = os.path.join(work_dir, datetime.datetime.utcnow().strftime('%Y-%m-%d_%H-%M-%S'))
logging.debug(f'using work directory: {work_dir}')
os.makedirs(work_dir, exist_ok=True)
clean_dir = None
else:
work_dir = mkdtemp()
logging.debug(f'created temporary work directory: {work_dir}')
clean_dir = work_dir
yield Path(work_dir)
if clean_dir:
logging.debug(f'cleaning up {clean_dir}')
shutil.rmtree(clean_dir, ignore_errors=True)
@pytest.fixture
def test_app_copy(session_work_dir: Path, request: FixtureRequest) -> typing.Generator[Path, None, None]:
# by default, use hello_world app and copy it to a temporary directory with
# the name resembling that of the test
copy_from = 'tools/test_build_system/build_test_app'
copy_to = request.node.name + '_app'
# allow overriding source and destination via pytest.mark.test_app_copy()
mark = request.node.get_closest_marker('test_app_copy')
if mark:
copy_from = mark.args[0]
if len(mark.args) > 1:
copy_to = mark.args[1]
path_from = Path(os.environ['IDF_PATH']) / copy_from
path_to = session_work_dir / copy_to
# if the new directory inside the original directory,
# make sure not to go into recursion.
ignore = shutil.ignore_patterns(
path_to.name,
# also ignore files which may be present in the work directory
'build', 'sdkconfig')
logging.debug(f'copying {path_from} to {path_to}')
shutil.copytree(path_from, path_to, ignore=ignore, symlinks=True)
old_cwd = Path.cwd()
os.chdir(path_to)
yield Path(path_to)
os.chdir(old_cwd)
if should_clean_test_dir(request):
logging.debug('cleaning up work directory after a successful test: {}'.format(path_to))
shutil.rmtree(path_to, ignore_errors=True)
@pytest.fixture
def idf_copy(session_work_dir: Path, request: FixtureRequest) -> typing.Generator[Path, None, None]:
copy_to = request.node.name + '_idf'
# allow overriding the destination via pytest.mark.idf_copy()
mark = request.node.get_closest_marker('idf_copy')
if mark:
copy_to = mark.args[0]
path_from = EXT_IDF_PATH
path_to = session_work_dir / copy_to
# if the new directory inside the original directory,
# make sure not to go into recursion.
ignore = shutil.ignore_patterns(
path_to.name,
# also ignore the build directories which may be quite large
'**/build')
logging.debug(f'copying {path_from} to {path_to}')
shutil.copytree(path_from, path_to, ignore=ignore, symlinks=True)
orig_idf_path = os.environ['IDF_PATH']
os.environ['IDF_PATH'] = str(path_to)
yield Path(path_to)
os.environ['IDF_PATH'] = orig_idf_path
if should_clean_test_dir(request):
logging.debug('cleaning up work directory after a successful test: {}'.format(path_to))
shutil.rmtree(path_to, ignore_errors=True)
@pytest.fixture(name='default_idf_env')
def fixture_default_idf_env() -> EnvDict:
return get_idf_build_env(os.environ['IDF_PATH']) # type: ignore
@pytest.fixture
def idf_py(default_idf_env: EnvDict) -> IdfPyFunc:
def result(*args: str) -> subprocess.CompletedProcess:
return run_idf_py(*args, env=default_idf_env, workdir=os.getcwd()) # type: ignore
return result