mirror of
https://github.com/espressif/esp-idf.git
synced 2024-09-21 06:56:11 -04:00
280 lines
11 KiB
Python
280 lines
11 KiB
Python
# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
# pylint: disable=W0621 # redefined-outer-name
|
|
|
|
import hashlib
|
|
import logging
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
from typing import Any, Dict, List, TextIO
|
|
|
|
import pexpect
|
|
import pytest
|
|
from _pytest.fixtures import FixtureRequest
|
|
from _pytest.monkeypatch import MonkeyPatch
|
|
from pygdbmi.gdbcontroller import GdbController, GdbTimeoutError, NoGdbProcessError
|
|
from pytest_embedded_idf.app import IdfApp
|
|
from pytest_embedded_idf.dut import IdfDut
|
|
from pytest_embedded_idf.serial import IdfSerial
|
|
|
|
|
|
def sha256(file: str) -> str:
|
|
res = hashlib.sha256()
|
|
with open(file, 'rb') as fr:
|
|
res.update(fr.read())
|
|
return res.hexdigest()
|
|
|
|
|
|
class PanicTestDut(IdfDut):
|
|
BOOT_CMD_ADDR = 0x9000
|
|
BOOT_CMD_SIZE = 0x1000
|
|
DEFAULT_EXPECT_TIMEOUT = 10
|
|
COREDUMP_UART_START = '================= CORE DUMP START ================='
|
|
COREDUMP_UART_END = '================= CORE DUMP END ================='
|
|
|
|
app: IdfApp
|
|
serial: IdfSerial
|
|
|
|
def __init__(self, *args, **kwargs) -> None: # type: ignore
|
|
super().__init__(*args, **kwargs)
|
|
|
|
self.gdb: GdbController = None # type: ignore
|
|
# record this since pygdbmi is using logging.debug to generate some single character mess
|
|
self.log_level = logging.getLogger().level
|
|
# pygdbmi is using logging.debug to generate some single character mess
|
|
if self.log_level <= logging.DEBUG:
|
|
logging.getLogger().setLevel(logging.INFO)
|
|
|
|
self.coredump_output: TextIO = None # type: ignore
|
|
|
|
def close(self) -> None:
|
|
if self.gdb:
|
|
self.gdb.exit()
|
|
|
|
super().close()
|
|
|
|
def revert_log_level(self) -> None:
|
|
logging.getLogger().setLevel(self.log_level)
|
|
|
|
def expect_test_func_name(self, test_func_name: str) -> None:
|
|
self.expect_exact('Enter test name:')
|
|
self.write(test_func_name)
|
|
self.expect_exact('Got test name: ' + test_func_name)
|
|
|
|
def expect_none(self, pattern, **kwargs) -> None: # type: ignore
|
|
"""like dut.expect_all, but with an inverse logic"""
|
|
if 'timeout' not in kwargs:
|
|
kwargs['timeout'] = 1
|
|
|
|
try:
|
|
res = self.expect(pattern, **kwargs)
|
|
raise AssertionError(f'Unexpected: {res.group().decode("utf8")}')
|
|
except pexpect.TIMEOUT:
|
|
pass
|
|
|
|
def expect_backtrace(self) -> None:
|
|
self.expect_exact('Backtrace:')
|
|
self.expect_none('CORRUPTED')
|
|
|
|
def expect_gme(self, reason: str) -> None:
|
|
"""Expect method for Guru Meditation Errors"""
|
|
self.expect_exact(f"Guru Meditation Error: Core 0 panic'ed ({reason})")
|
|
|
|
def expect_reg_dump(self, core: int = 0) -> None:
|
|
"""Expect method for the register dump"""
|
|
self.expect(r'Core\s+%d register dump:' % core)
|
|
|
|
def expect_elf_sha256(self) -> None:
|
|
"""Expect method for ELF SHA256 line"""
|
|
elf_sha256 = sha256(self.app.elf_file)
|
|
elf_sha256_len = int(
|
|
self.app.sdkconfig.get('CONFIG_APP_RETRIEVE_LEN_ELF_SHA', '16')
|
|
)
|
|
self.expect_exact('ELF file SHA256: ' + elf_sha256[0:elf_sha256_len])
|
|
|
|
def _call_espcoredump(
|
|
self, extra_args: List[str], coredump_file_name: str, output_file_name: str
|
|
) -> None:
|
|
# no "with" here, since we need the file to be open for later inspection by the test case
|
|
if not self.coredump_output:
|
|
self.coredump_output = open(output_file_name, 'w')
|
|
|
|
espcoredump_script = os.path.join(
|
|
os.environ['IDF_PATH'], 'components', 'espcoredump', 'espcoredump.py'
|
|
)
|
|
espcoredump_args = [
|
|
sys.executable,
|
|
espcoredump_script,
|
|
'info_corefile',
|
|
'--core',
|
|
coredump_file_name,
|
|
]
|
|
espcoredump_args += extra_args
|
|
espcoredump_args.append(self.app.elf_file)
|
|
logging.info('Running %s', ' '.join(espcoredump_args))
|
|
logging.info('espcoredump output is written to %s', self.coredump_output.name)
|
|
|
|
subprocess.check_call(espcoredump_args, stdout=self.coredump_output)
|
|
self.coredump_output.flush()
|
|
self.coredump_output.seek(0)
|
|
|
|
def process_coredump_uart(self) -> None:
|
|
"""Extract the core dump from UART output of the test, run espcoredump on it"""
|
|
self.expect(self.COREDUMP_UART_START)
|
|
res = self.expect('(.+)' + self.COREDUMP_UART_END)
|
|
coredump_base64 = res.group(1).decode('utf8')
|
|
with open(os.path.join(self.logdir, 'coredump_data.b64'), 'w') as coredump_file:
|
|
logging.info('Writing UART base64 core dump to %s', coredump_file.name)
|
|
coredump_file.write(coredump_base64)
|
|
|
|
output_file_name = os.path.join(self.logdir, 'coredump_uart_result.txt')
|
|
self._call_espcoredump(
|
|
['--core-format', 'b64'], coredump_file.name, output_file_name
|
|
)
|
|
|
|
def process_coredump_flash(self) -> None:
|
|
"""Extract the core dump from flash, run espcoredump on it"""
|
|
coredump_file_name = os.path.join(self.logdir, 'coredump_data.bin')
|
|
logging.info('Writing flash binary core dump to %s', coredump_file_name)
|
|
self.serial.dump_flash(partition='coredump', output=coredump_file_name)
|
|
|
|
output_file_name = os.path.join(self.logdir, 'coredump_flash_result.txt')
|
|
self._call_espcoredump(
|
|
['--core-format', 'raw'], coredump_file_name, output_file_name
|
|
)
|
|
|
|
def gdb_write(self, command: str) -> Any:
|
|
"""
|
|
Wrapper to write to gdb with a longer timeout, as test runner
|
|
host can be slow sometimes
|
|
"""
|
|
return self.gdb.write(command, timeout_sec=10)
|
|
|
|
def start_gdb(self) -> None:
|
|
"""
|
|
Runs GDB and connects it to the "serial" port of the DUT.
|
|
After this, the DUT expect methods can no longer be used to capture output.
|
|
"""
|
|
self.gdb = GdbController(gdb_path=self.toolchain_prefix + 'gdb')
|
|
|
|
# pygdbmi logs to console by default, make it log to a file instead
|
|
pygdbmi_log_file_name = os.path.join(self.logdir, 'pygdbmi_log.txt')
|
|
pygdbmi_logger = self.gdb.logger
|
|
pygdbmi_logger.setLevel(logging.DEBUG)
|
|
while pygdbmi_logger.hasHandlers():
|
|
pygdbmi_logger.removeHandler(pygdbmi_logger.handlers[0])
|
|
log_handler = logging.FileHandler(pygdbmi_log_file_name)
|
|
log_handler.setFormatter(
|
|
logging.Formatter('%(asctime)s %(levelname)s: %(message)s')
|
|
)
|
|
pygdbmi_logger.addHandler(log_handler)
|
|
|
|
logging.info('Running command: %s', self.gdb.get_subprocess_cmd())
|
|
for _ in range(10):
|
|
try:
|
|
# GdbController creates a process with subprocess.Popen(). Is it really running? It is probable that
|
|
# an RPI under high load will get non-responsive during creating a lot of processes.
|
|
resp = self.gdb.get_gdb_response(
|
|
timeout_sec=10
|
|
) # calls verify_valid_gdb_subprocess() internally
|
|
# it will be interesting to look up this response if the next GDB command fails (times out)
|
|
logging.info('GDB response: %s', resp)
|
|
break # success
|
|
except GdbTimeoutError:
|
|
logging.warning(
|
|
'GDB internal error: cannot get response from the subprocess'
|
|
)
|
|
except NoGdbProcessError:
|
|
logging.error('GDB internal error: process is not running')
|
|
break # failure - TODO: create another GdbController
|
|
except ValueError:
|
|
logging.error(
|
|
'GDB internal error: select() returned an unexpected file number'
|
|
)
|
|
|
|
# Set up logging for GDB remote protocol
|
|
gdb_remotelog_file_name = os.path.join(self.logdir, 'gdb_remote_log.txt')
|
|
self.gdb_write('-gdb-set remotelogfile ' + gdb_remotelog_file_name)
|
|
|
|
# Load the ELF file
|
|
self.gdb_write('-file-exec-and-symbols {}'.format(self.app.elf_file))
|
|
|
|
# Connect GDB to UART
|
|
self.serial.proc.close()
|
|
logging.info('Connecting to GDB Stub...')
|
|
self.gdb_write('-gdb-set serial baud 115200')
|
|
responses = self.gdb_write('-target-select remote ' + self.serial.port)
|
|
|
|
# Make sure we get the 'stopped' notification
|
|
stop_response = self.find_gdb_response('stopped', 'notify', responses)
|
|
if not stop_response:
|
|
responses = self.gdb_write('-exec-interrupt')
|
|
stop_response = self.find_gdb_response('stopped', 'notify', responses)
|
|
assert stop_response
|
|
frame = stop_response['payload']['frame']
|
|
if 'file' not in frame:
|
|
frame['file'] = '?'
|
|
if 'line' not in frame:
|
|
frame['line'] = '?'
|
|
logging.info('Stopped in {func} at {addr} ({file}:{line})'.format(**frame))
|
|
|
|
# Drain remaining responses
|
|
self.gdb.get_gdb_response(raise_error_on_timeout=False)
|
|
|
|
def gdb_backtrace(self) -> Any:
|
|
"""
|
|
Returns the list of stack frames for the current thread.
|
|
Each frame is a dictionary, refer to pygdbmi docs for the format.
|
|
"""
|
|
assert self.gdb
|
|
|
|
responses = self.gdb_write('-stack-list-frames')
|
|
return self.find_gdb_response('done', 'result', responses)['payload']['stack']
|
|
|
|
@staticmethod
|
|
def match_backtrace(
|
|
gdb_backtrace: List[Any], expected_functions_list: List[Any]
|
|
) -> bool:
|
|
"""
|
|
Returns True if the function names listed in expected_functions_list match the backtrace
|
|
given by gdb_backtrace argument. The latter is in the same format as returned by gdb_backtrace()
|
|
function.
|
|
"""
|
|
return all(
|
|
[
|
|
frame['func'] == expected_functions_list[i]
|
|
for i, frame in enumerate(gdb_backtrace)
|
|
]
|
|
)
|
|
|
|
@staticmethod
|
|
def find_gdb_response(
|
|
message: str, response_type: str, responses: List[Any]
|
|
) -> Any:
|
|
"""
|
|
Helper function which extracts one response from an array of GDB responses, filtering
|
|
by message and type. Returned message is a dictionary, refer to pygdbmi docs for the format.
|
|
"""
|
|
|
|
def match_response(response: Dict[str, Any]) -> bool:
|
|
return response['message'] == message and response['type'] == response_type # type: ignore
|
|
|
|
filtered_responses = [r for r in responses if match_response(r)]
|
|
if not filtered_responses:
|
|
return None
|
|
return filtered_responses[0]
|
|
|
|
|
|
@pytest.fixture(scope='module')
|
|
def monkeypatch_module(request: FixtureRequest) -> MonkeyPatch:
|
|
mp = MonkeyPatch()
|
|
request.addfinalizer(mp.undo)
|
|
return mp
|
|
|
|
|
|
@pytest.fixture(scope='module', autouse=True)
|
|
def replace_dut_class(monkeypatch_module: MonkeyPatch) -> None:
|
|
monkeypatch_module.setattr('pytest_embedded_idf.dut.IdfDut', PanicTestDut)
|