esp-idf/conftest.py

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# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
# pylint: disable=W0621 # redefined-outer-name
# This file is a pytest root configuration file and provide the following functionalities:
# 1. Defines a few fixtures that could be used under the whole project.
# 2. Defines a few hook functions.
#
# IDF is using [pytest](https://github.com/pytest-dev/pytest) and
# [pytest-embedded plugin](https://github.com/espressif/pytest-embedded) as its example test framework.
#
# This is an experimental feature, and if you found any bug or have any question, please report to
# https://github.com/espressif/pytest-embedded/issues
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import logging
import os
import re
import sys
import xml.etree.ElementTree as ET
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from datetime import datetime
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from fnmatch import fnmatch
from typing import Callable, List, Optional, Tuple
import pytest
from _pytest.config import Config, ExitCode
from _pytest.fixtures import FixtureRequest
from _pytest.main import Session
from _pytest.nodes import Item
from _pytest.python import Function
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from _pytest.reports import TestReport
from _pytest.runner import CallInfo
from _pytest.terminal import TerminalReporter
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from pytest_embedded.plugin import multi_dut_argument, multi_dut_fixture
from pytest_embedded.utils import find_by_suffix
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from pytest_embedded_idf.dut import IdfDut
try:
from idf_ci_utils import to_list
from idf_unity_tester import CaseTester
except ImportError:
sys.path.append(os.path.join(os.path.dirname(__file__), 'tools', 'ci'))
from idf_ci_utils import to_list
from idf_unity_tester import CaseTester
try:
import common_test_methods # noqa: F401
except ImportError:
sys.path.append(os.path.join(os.path.dirname(__file__), 'tools', 'ci', 'python_packages'))
import common_test_methods # noqa: F401
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SUPPORTED_TARGETS = ['esp32', 'esp32s2', 'esp32c3', 'esp32s3', 'esp32c2', 'esp32c6', 'esp32h2']
PREVIEW_TARGETS = ['esp32h4'] # this PREVIEW_TARGETS excludes 'linux' target
DEFAULT_SDKCONFIG = 'default'
TARGET_MARKERS = {
'esp32': 'support esp32 target',
'esp32s2': 'support esp32s2 target',
'esp32s3': 'support esp32s3 target',
'esp32c3': 'support esp32c3 target',
'esp32c2': 'support esp32c2 target',
'esp32c6': 'support esp32c6 target',
'esp32h4': 'support esp32h4 target',
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'esp32h2': 'support esp32h2 target',
'linux': 'support linux target',
}
SPECIAL_MARKERS = {
'supported_targets': "support all officially announced supported targets ('esp32', 'esp32s2', 'esp32c3', 'esp32s3', 'esp32c2', 'esp32c6')",
'preview_targets': "support all preview targets ('esp32h4')",
'all_targets': 'support all targets, including supported ones and preview ones',
'temp_skip_ci': 'temp skip tests for specified targets only in ci',
'temp_skip': 'temp skip tests for specified targets both in ci and locally',
'nightly_run': 'tests should be executed as part of the nightly trigger pipeline',
'host_test': 'tests which should not be built at the build stage, and instead built in host_test stage',
'qemu': 'build and test using qemu-system-xtensa, not real target',
}
ENV_MARKERS = {
# single-dut markers
'generic': 'tests should be run on generic runners',
'flash_suspend': 'support flash suspend feature',
'ip101': 'connected via wired 10/100M ethernet',
'lan8720': 'connected via LAN8720 ethernet transceiver',
'quad_psram': 'runners with quad psram',
'octal_psram': 'runners with octal psram',
'usb_host': 'usb host runners',
'usb_host_flash_disk': 'usb host runners with USB flash disk attached',
'usb_device': 'usb device runners',
'ethernet_ota': 'ethernet OTA runners',
'flash_encryption': 'Flash Encryption runners',
'flash_encryption_f4r8': 'Flash Encryption runners with 4-line flash and 8-line psram',
'flash_encryption_f8r8': 'Flash Encryption runners with 8-line flash and 8-line psram',
'flash_multi': 'Multiple flash chips tests',
'psram': 'Chip has 4-line psram',
'ir_transceiver': 'runners with a pair of IR transmitter and receiver',
'twai_transceiver': 'runners with a TWAI PHY transceiver',
'flash_encryption_wifi_high_traffic': 'Flash Encryption runners with wifi high traffic support',
'ethernet': 'ethernet runner',
'ethernet_flash_8m': 'ethernet runner with 8mb flash',
'ethernet_router': 'both the runner and dut connect to the same router through ethernet NIC',
'wifi_ap': 'a wifi AP in the environment',
'wifi_router': 'both the runner and dut connect to the same wifi router',
'wifi_high_traffic': 'wifi high traffic runners',
'wifi_wlan': 'wifi runner with a wireless NIC',
'Example_ShieldBox_Basic': 'basic configuration of the AP and ESP DUT placed in shielded box',
'Example_ShieldBox': 'multiple shielded APs connected to shielded ESP DUT via RF cable with programmable attenuator',
'xtal_26mhz': 'runner with 26MHz xtal on board',
'xtal_40mhz': 'runner with 40MHz xtal on board',
'external_flash': 'external flash memory connected via VSPI (FSPI)',
'sdcard_sdmode': 'sdcard running in SD mode',
'sdcard_spimode': 'sdcard running in SPI mode',
'MSPI_F8R8': 'runner with Octal Flash and Octal PSRAM',
'MSPI_F4R8': 'runner with Quad Flash and Octal PSRAM',
'MSPI_F4R4': 'runner with Quad Flash and Quad PSRAM',
'jtag': 'runner where the chip is accessible through JTAG as well',
'usb_serial_jtag': 'runner where the chip is accessible through builtin JTAG as well',
'adc': 'ADC related tests should run on adc runners',
'xtal32k': 'Runner with external 32k crystal connected',
'no32kXtal': 'Runner with no external 32k crystal connected',
'multi_dut_modbus_rs485': 'a pair of runners connected by RS485 bus',
'psramv0': 'Runner with PSRAM version 0',
'esp32eco3': 'Runner with esp32 eco3 connected',
# multi-dut markers
'ieee802154': 'ieee802154 related tests should run on ieee802154 runners.',
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'openthread_br': 'tests should be used for openthread border router.',
'wifi_two_dut': 'tests should be run on runners which has two wifi duts connected.',
'generic_multi_device': 'generic multiple devices whose corresponding gpio pins are connected to each other.',
'twai_network': 'multiple runners form a TWAI network.',
'sdio_master_slave': 'Test sdio multi board.',
}
##################
# Help Functions #
##################
def format_case_id(target: Optional[str], config: Optional[str], case: str) -> str:
return f'{target}.{config}.{case}'
def item_marker_names(item: Item) -> List[str]:
return [marker.name for marker in item.iter_markers()]
def item_target_marker_names(item: Item) -> List[str]:
res = set()
for marker in item.iter_markers():
if marker.name in TARGET_MARKERS:
res.add(marker.name)
return sorted(res)
def item_env_marker_names(item: Item) -> List[str]:
res = set()
for marker in item.iter_markers():
if marker.name in ENV_MARKERS:
res.add(marker.name)
return sorted(res)
def item_skip_targets(item: Item) -> List[str]:
def _get_temp_markers_disabled_targets(marker_name: str) -> List[str]:
temp_marker = item.get_closest_marker(marker_name)
if not temp_marker:
return []
# temp markers should always use keyword arguments `targets` and `reason`
if not temp_marker.kwargs.get('targets') or not temp_marker.kwargs.get('reason'):
raise ValueError(
f'`{marker_name}` should always use keyword arguments `targets` and `reason`. '
f'For example: '
f'`@pytest.mark.{marker_name}(targets=["esp32"], reason="IDF-xxxx, will fix it ASAP")`'
)
return to_list(temp_marker.kwargs['targets']) # type: ignore
temp_skip_ci_targets = _get_temp_markers_disabled_targets('temp_skip_ci')
temp_skip_targets = _get_temp_markers_disabled_targets('temp_skip')
# in CI we skip the union of `temp_skip` and `temp_skip_ci`
if os.getenv('CI_JOB_ID'):
skip_targets = list(set(temp_skip_ci_targets).union(set(temp_skip_targets)))
else: # we use `temp_skip` locally
skip_targets = temp_skip_targets
return skip_targets
def get_target_marker_from_expr(markexpr: str) -> str:
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candidates = set()
# we use `-m "esp32 and generic"` in our CI to filter the test cases
# this doesn't cover all use cases, but fit what we do in CI.
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for marker in markexpr.split('and'):
marker = marker.strip()
if marker in TARGET_MARKERS:
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candidates.add(marker)
if len(candidates) > 1:
raise ValueError(f'Specified more than one target markers: {candidates}. Please specify no more than one.')
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elif len(candidates) == 1:
return candidates.pop()
else:
raise ValueError('Please specify one target marker via "--target [TARGET]" or via "-m [TARGET]"')
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############
# Fixtures #
############
@pytest.fixture(scope='session')
def idf_path() -> str:
return os.path.dirname(__file__)
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@pytest.fixture(scope='session', autouse=True)
def session_tempdir() -> str:
_tmpdir = os.path.join(
os.path.dirname(__file__),
'pytest_embedded_log',
datetime.now().strftime('%Y-%m-%d_%H-%M-%S'),
)
os.makedirs(_tmpdir, exist_ok=True)
return _tmpdir
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@pytest.fixture
def case_tester(dut: IdfDut, **kwargs): # type: ignore
yield CaseTester(dut, **kwargs)
@pytest.fixture
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@multi_dut_argument
def config(request: FixtureRequest) -> str:
return getattr(request, 'param', None) or DEFAULT_SDKCONFIG
@pytest.fixture
def test_func_name(request: FixtureRequest) -> str:
return request.node.function.__name__ # type: ignore
@pytest.fixture
def test_case_name(request: FixtureRequest, target: str, config: str) -> str:
return format_case_id(target, config, request.node.originalname)
@pytest.fixture
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@multi_dut_fixture
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def build_dir(app_path: str, target: Optional[str], config: Optional[str]) -> str:
"""
Check local build dir with the following priority:
1. build_<target>_<config>
2. build_<target>
3. build_<config>
4. build
Args:
app_path: app path
target: target
config: config
Returns:
valid build directory
"""
if target == 'linux':
# IDF-6644
# hard-coded in components/esp_partition/partition_linux.c
# const char *partition_table_file_name = "build/partition_table/partition-table.bin";
check_dirs = ['build']
else:
check_dirs = []
if target is not None and config is not None:
check_dirs.append(f'build_{target}_{config}')
if target is not None:
check_dirs.append(f'build_{target}')
if config is not None:
check_dirs.append(f'build_{config}')
check_dirs.append('build')
for check_dir in check_dirs:
binary_path = os.path.join(app_path, check_dir)
if os.path.isdir(binary_path):
logging.info(f'find valid binary path: {binary_path}')
return check_dir
logging.warning('checking binary path: %s... missing... try another place', binary_path)
recommend_place = check_dirs[0]
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raise ValueError(
f'no build dir valid. Please build the binary via "idf.py -B {recommend_place} build" and run pytest again'
)
@pytest.fixture(autouse=True)
def linux_cd_into_app_folder(app_path: str, target: Optional[str]) -> None:
# IDF-6644
# hard-coded in components/esp_partition/partition_linux.c
# const char *partition_table_file_name = "build/partition_table/partition-table.bin";
if target == 'linux':
os.chdir(app_path)
@pytest.fixture(autouse=True)
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@multi_dut_fixture
def junit_properties(test_case_name: str, record_xml_attribute: Callable[[str, object], None]) -> None:
"""
This fixture is autoused and will modify the junit report test case name to <target>.<config>.<case_name>
"""
record_xml_attribute('name', test_case_name)
######################
# Log Util Functions #
######################
@pytest.fixture
def log_performance(record_property: Callable[[str, object], None]) -> Callable[[str, str], None]:
"""
log performance item with pre-defined format to the console
and record it under the ``properties`` tag in the junit report if available.
"""
def real_func(item: str, value: str) -> None:
"""
:param item: performance item name
:param value: performance value
"""
logging.info('[Performance][%s]: %s', item, value)
record_property(item, value)
return real_func
@pytest.fixture
def check_performance(idf_path: str) -> Callable[[str, float, str], None]:
"""
check if the given performance item meets the passing standard or not
"""
def real_func(item: str, value: float, target: str) -> None:
"""
:param item: performance item name
:param value: performance item value
:param target: target chip
:raise: AssertionError: if check fails
"""
def _find_perf_item(operator: str, path: str) -> float:
with open(path, 'r') as f:
data = f.read()
match = re.search(r'#define\s+IDF_PERFORMANCE_{}_{}\s+([\d.]+)'.format(operator, item.upper()), data)
return float(match.group(1)) # type: ignore
def _check_perf(operator: str, standard_value: float) -> None:
if operator == 'MAX':
ret = value <= standard_value
else:
ret = value >= standard_value
if not ret:
raise AssertionError(
"[Performance] {} value is {}, doesn't meet pass standard {}".format(item, value, standard_value)
)
path_prefix = os.path.join(idf_path, 'components', 'idf_test', 'include')
performance_files = (
os.path.join(path_prefix, target, 'idf_performance_target.h'),
os.path.join(path_prefix, 'idf_performance.h'),
)
found_item = False
for op in ['MIN', 'MAX']:
for performance_file in performance_files:
try:
standard = _find_perf_item(op, performance_file)
except (IOError, AttributeError):
# performance file doesn't exist or match is not found in it
continue
_check_perf(op, standard)
found_item = True
break
if not found_item:
raise AssertionError('Failed to get performance standard for {}'.format(item))
return real_func
@pytest.fixture
def log_minimum_free_heap_size(dut: IdfDut, config: str) -> Callable[..., None]:
def real_func() -> None:
res = dut.expect(r'Minimum free heap size: (\d+) bytes')
logging.info(
'\n------ heap size info ------\n'
'[app_name] {}\n'
'[config_name] {}\n'
'[target] {}\n'
'[minimum_free_heap_size] {} Bytes\n'
'------ heap size end ------'.format(
os.path.basename(dut.app.app_path),
config,
dut.target,
res.group(1).decode('utf8'),
)
)
return real_func
##################
# Hook functions #
##################
def pytest_addoption(parser: pytest.Parser) -> None:
base_group = parser.getgroup('idf')
base_group.addoption(
'--sdkconfig',
help='sdkconfig postfix, like sdkconfig.ci.<config>. (Default: None, which would build all found apps)',
)
base_group.addoption('--known-failure-cases-file', help='known failure cases file path')
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_idf_pytest_embedded_key = pytest.StashKey['IdfPytestEmbedded']
def pytest_configure(config: Config) -> None:
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# cli option "--target"
target = config.getoption('target') or ''
help_commands = ['--help', '--fixtures', '--markers', '--version']
for cmd in help_commands:
if cmd in config.invocation_params.args:
target = 'unneeded'
break
if not target: # also could specify through markexpr via "-m"
target = get_target_marker_from_expr(config.getoption('markexpr') or '')
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config.stash[_idf_pytest_embedded_key] = IdfPytestEmbedded(
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target=target,
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sdkconfig=config.getoption('sdkconfig'),
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known_failure_cases_file=config.getoption('known_failure_cases_file'),
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)
config.pluginmanager.register(config.stash[_idf_pytest_embedded_key])
for name, description in {**TARGET_MARKERS, **ENV_MARKERS, **SPECIAL_MARKERS}.items():
config.addinivalue_line('markers', f'{name}: {description}')
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def pytest_unconfigure(config: Config) -> None:
_pytest_embedded = config.stash.get(_idf_pytest_embedded_key, None)
if _pytest_embedded:
del config.stash[_idf_pytest_embedded_key]
config.pluginmanager.unregister(_pytest_embedded)
class IdfPytestEmbedded:
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def __init__(
self,
target: str,
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sdkconfig: Optional[str] = None,
known_failure_cases_file: Optional[str] = None,
):
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# CLI options to filter the test cases
self.target = target.lower()
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self.sdkconfig = sdkconfig
self.known_failure_patterns = self._parse_known_failure_cases_file(known_failure_cases_file)
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self._failed_cases: List[Tuple[str, bool, bool]] = [] # (test_case_name, is_known_failure_cases, is_xfail)
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@property
def failed_cases(self) -> List[str]:
return [case for case, is_known, is_xfail in self._failed_cases if not is_known and not is_xfail]
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@property
def known_failure_cases(self) -> List[str]:
return [case for case, is_known, _ in self._failed_cases if is_known]
@property
def xfail_cases(self) -> List[str]:
return [case for case, _, is_xfail in self._failed_cases if is_xfail]
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@staticmethod
def _parse_known_failure_cases_file(
known_failure_cases_file: Optional[str] = None,
) -> List[str]:
if not known_failure_cases_file or not os.path.isfile(known_failure_cases_file):
return []
patterns = []
with open(known_failure_cases_file) as fr:
for line in fr.readlines():
if not line:
continue
if not line.strip():
continue
without_comments = line.split('#')[0].strip()
if without_comments:
patterns.append(without_comments)
return patterns
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@pytest.hookimpl(tryfirst=True)
def pytest_sessionstart(self, session: Session) -> None:
# same behavior for vanilla pytest-embedded '--target'
session.config.option.target = self.target
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@pytest.hookimpl(tryfirst=True)
def pytest_collection_modifyitems(self, items: List[Function]) -> None:
# sort by file path and callspec.config
# implement like this since this is a limitation of pytest, couldn't get fixture values while collecting
# https://github.com/pytest-dev/pytest/discussions/9689
# after sort the test apps, the test may use the app cache to reduce the flash times.
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def _get_param_config(_item: Function) -> str:
if hasattr(_item, 'callspec'):
return _item.callspec.params.get('config', DEFAULT_SDKCONFIG) # type: ignore
return DEFAULT_SDKCONFIG
items.sort(key=lambda x: (os.path.dirname(x.path), _get_param_config(x)))
# set default timeout 10 minutes for each case
for item in items:
if 'timeout' not in item.keywords:
item.add_marker(pytest.mark.timeout(10 * 60))
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# add markers for special markers
for item in items:
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if 'supported_targets' in item.keywords:
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for _target in SUPPORTED_TARGETS:
item.add_marker(_target)
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if 'preview_targets' in item.keywords:
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for _target in PREVIEW_TARGETS:
item.add_marker(_target)
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if 'all_targets' in item.keywords:
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for _target in [*SUPPORTED_TARGETS, *PREVIEW_TARGETS]:
item.add_marker(_target)
# add 'xtal_40mhz' tag as a default tag for esp32c2 target
# only add this marker for esp32c2 cases
if (
self.target == 'esp32c2'
and 'esp32c2' in item_marker_names(item)
and 'xtal_26mhz' not in item_marker_names(item)
):
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item.add_marker('xtal_40mhz')
# filter all the test cases with "nightly_run" marker
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if os.getenv('INCLUDE_NIGHTLY_RUN') == '1':
# Do not filter nightly_run cases
pass
elif os.getenv('NIGHTLY_RUN') == '1':
items[:] = [item for item in items if 'nightly_run' in item_marker_names(item)]
else:
items[:] = [item for item in items if 'nightly_run' not in item_marker_names(item)]
# filter all the test cases with target and skip_targets
items[:] = [
item
for item in items
if self.target in item_marker_names(item) and self.target not in item_skip_targets(item)
]
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# filter all the test cases with cli option "config"
if self.sdkconfig:
items[:] = [item for item in items if _get_param_config(item) == self.sdkconfig]
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def pytest_runtest_makereport(self, item: Function, call: CallInfo[None]) -> Optional[TestReport]:
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report = TestReport.from_item_and_call(item, call)
if report.outcome == 'failed':
test_case_name = item.funcargs.get('test_case_name', '')
is_known_failure = self._is_known_failure(test_case_name)
is_xfail = report.keywords.get('xfail', False)
self._failed_cases.append((test_case_name, is_known_failure, is_xfail))
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return report
def _is_known_failure(self, case_id: str) -> bool:
for pattern in self.known_failure_patterns:
if case_id == pattern:
return True
if fnmatch(case_id, pattern):
return True
return False
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@pytest.hookimpl(trylast=True)
def pytest_runtest_teardown(self, item: Function) -> None:
"""
Format the test case generated junit reports
"""
tempdir = item.funcargs.get('test_case_tempdir')
if not tempdir:
return
junits = find_by_suffix('.xml', tempdir)
if not junits:
return
target = item.funcargs['target']
config = item.funcargs['config']
for junit in junits:
xml = ET.parse(junit)
testcases = xml.findall('.//testcase')
for case in testcases:
case.attrib['name'] = format_case_id(target, config, case.attrib['name'])
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if 'file' in case.attrib:
case.attrib['file'] = case.attrib['file'].replace('/IDF/', '') # our unity test framework
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xml.write(junit)
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def pytest_sessionfinish(self, session: Session, exitstatus: int) -> None:
if exitstatus != 0:
if exitstatus == ExitCode.NO_TESTS_COLLECTED:
session.exitstatus = 0
elif self.known_failure_cases and not self.failed_cases:
session.exitstatus = 0
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def pytest_terminal_summary(self, terminalreporter: TerminalReporter) -> None:
if self.known_failure_cases:
terminalreporter.section('Known failure cases', bold=True, yellow=True)
terminalreporter.line('\n'.join(self.known_failure_cases))
if self.xfail_cases:
terminalreporter.section('xfail cases', bold=True, yellow=True)
terminalreporter.line('\n'.join(self.xfail_cases))
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if self.failed_cases:
terminalreporter.section('Failed cases', bold=True, red=True)
terminalreporter.line('\n'.join(self.failed_cases))