/
pytest_panic.py
357 lines (307 loc) · 12.1 KB
/
pytest_panic.py
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# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import re
from pprint import pformat
from typing import List, Optional
import pytest
from conftest import PanicTestDut
CONFIGS = [
pytest.param('coredump_flash_bin_crc', marks=[pytest.mark.esp32, pytest.mark.esp32s2]),
pytest.param('coredump_flash_elf_sha', marks=[pytest.mark.esp32]), # sha256 only supported on esp32
pytest.param('coredump_uart_bin_crc', marks=[pytest.mark.esp32, pytest.mark.esp32s2]),
pytest.param('coredump_uart_elf_crc', marks=[pytest.mark.esp32, pytest.mark.esp32s2]),
pytest.param('gdbstub', marks=[pytest.mark.esp32, pytest.mark.esp32s2]),
pytest.param('panic', marks=[pytest.mark.esp32, pytest.mark.esp32s2]),
]
# An ESP32-only config, used for tests requiring two cores
CONFIGS_ESP32 = [
pytest.param('coredump_flash_bin_crc', marks=[pytest.mark.esp32]),
pytest.param('coredump_flash_elf_sha', marks=[pytest.mark.esp32]),
pytest.param('coredump_uart_bin_crc', marks=[pytest.mark.esp32]),
pytest.param('coredump_uart_elf_crc', marks=[pytest.mark.esp32]),
pytest.param('gdbstub', marks=[pytest.mark.esp32]),
pytest.param('panic', marks=[pytest.mark.esp32]),
]
def get_default_backtrace(config: str) -> List[str]:
return [config, 'app_main', 'main_task', 'vPortTaskWrapper']
def common_test(dut: PanicTestDut, config: str, expected_backtrace: Optional[List[str]] = None) -> None:
if 'gdbstub' in config:
dut.expect_exact('Entering gdb stub now.')
dut.start_gdb()
frames = dut.gdb_backtrace()
# Make sure frames and the expected_backtrace have the same size, else, an exception will occur
if expected_backtrace is not None:
size = min(len(frames), len(expected_backtrace))
frames = frames[0:size]
expected_backtrace = expected_backtrace[0:size]
if not dut.match_backtrace(frames, expected_backtrace):
raise AssertionError(
'Unexpected backtrace in test {}:\n{}'.format(config, pformat(frames))
)
dut.revert_log_level()
return
if 'uart' in config:
dut.process_coredump_uart()
elif 'flash' in config:
dut.process_coredump_flash()
elif 'panic' in config:
pass
dut.expect('Rebooting...')
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_task_wdt_cpu0(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_exact(
'Task watchdog got triggered. The following tasks/users did not reset the watchdog in time:'
)
dut.expect_exact('CPU 0: main')
dut.expect_none('register dump:')
dut.expect_exact('Print CPU 0 (current core) backtrace')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
if config == 'gdbstub':
common_test(
dut,
config,
expected_backtrace=[
'test_task_wdt_cpu0',
'app_main'
],
)
else:
common_test(dut, config)
@pytest.mark.parametrize('config', CONFIGS_ESP32, indirect=True)
@pytest.mark.generic
def test_task_wdt_cpu1(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_exact(
'Task watchdog got triggered. The following tasks/users did not reset the watchdog in time:'
)
dut.expect_exact('CPU 1: Infinite loop')
dut.expect_none('register dump:')
dut.expect_exact('Print CPU 1 backtrace')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
if config == 'gdbstub':
common_test(
dut,
config,
expected_backtrace=[
'infinite_loop'
],
)
else:
common_test(dut, config)
@pytest.mark.parametrize('config', CONFIGS_ESP32, indirect=True)
@pytest.mark.generic
def test_task_wdt_both_cpus(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_exact(
'Task watchdog got triggered. The following tasks/users did not reset the watchdog in time:'
)
dut.expect_exact('CPU 0: Infinite loop')
dut.expect_exact('CPU 1: Infinite loop')
dut.expect_none('register dump:')
dut.expect_exact('Print CPU 0 (current core) backtrace')
dut.expect_backtrace()
dut.expect_exact('Print CPU 1 backtrace')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
if config == 'gdbstub':
common_test(
dut,
config,
expected_backtrace=[
'infinite_loop'
],
)
else:
common_test(dut, config)
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_int_wdt(
dut: PanicTestDut, target: str, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('Interrupt wdt timeout on CPU0')
dut.expect_reg_dump(0)
dut.expect_backtrace()
if target == 'esp32s2':
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
if target != 'esp32s2': # esp32s2 is single-core
dut.expect_reg_dump(1)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_int_wdt_cache_disabled(
dut: PanicTestDut, target: str, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('Interrupt wdt timeout on CPU0')
dut.expect_reg_dump(0)
dut.expect_backtrace()
if target == 'esp32s2':
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
if target != 'esp32s2': # esp32s2 is single-core
dut.expect_reg_dump(1)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.xfail('config.getvalue("target") == "esp32s2"', reason='raised IllegalInstruction instead')
@pytest.mark.generic
def test_cache_error(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('Cache disabled but cached memory region accessed')
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(
dut, config, expected_backtrace=['die'] + get_default_backtrace(test_func_name)
)
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_stack_overflow(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('Unhandled debug exception')
dut.expect_exact('Stack canary watchpoint triggered (main)')
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_instr_fetch_prohibited(
dut: PanicTestDut, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('InstrFetchProhibited')
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(
dut,
config,
expected_backtrace=['_init'] + get_default_backtrace(test_func_name),
)
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_illegal_instruction(
dut: PanicTestDut, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('IllegalInstruction')
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_storeprohibited(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect_gme('StoreProhibited')
dut.expect_reg_dump(0)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none('Guru Meditation')
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_abort(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect(r'abort\(\) was called at PC [0-9xa-f]+ on core 0')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none(['Guru Meditation', 'Re-entered core dump'])
if config == 'gdbstub':
common_test(
dut,
config,
expected_backtrace=[
'panic_abort',
'esp_system_abort',
'abort'
] + get_default_backtrace(test_func_name),
)
else:
common_test(dut, config)
@pytest.mark.parametrize('config', CONFIGS, indirect=True)
@pytest.mark.generic
def test_ub(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect('Undefined behavior of type out_of_bounds')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none(['Guru Meditation', 'Re-entered core dump'])
if config == 'gdbstub':
common_test(
dut,
config,
expected_backtrace=[
'panic_abort',
'esp_system_abort',
'__ubsan_default_handler',
'__ubsan_handle_out_of_bounds'
] + get_default_backtrace(test_func_name),
)
else:
common_test(dut, config)
#########################
# for config panic only #
#########################
@pytest.mark.esp32
@pytest.mark.esp32s2
@pytest.mark.xfail('config.getvalue("target") == "esp32s2"', reason='raised IllegalInstruction instead')
@pytest.mark.parametrize('config', ['panic'], indirect=True)
@pytest.mark.generic
def test_abort_cache_disabled(
dut: PanicTestDut, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect(r'abort\(\) was called at PC [0-9xa-f]+ on core 0')
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none(['Guru Meditation', 'Re-entered core dump'])
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.esp32
@pytest.mark.esp32s2
@pytest.mark.parametrize('config', ['panic'], indirect=True)
@pytest.mark.generic
def test_assert(dut: PanicTestDut, config: str, test_func_name: str) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect(
re.compile(
rb'assert failed:[\s\w()]*?\s[.\w/]*\.(?:c|cpp|h|hpp):\d.*$', re.MULTILINE
)
)
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none(['Guru Meditation', 'Re-entered core dump'])
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))
@pytest.mark.esp32
@pytest.mark.esp32s2
@pytest.mark.xfail('config.getvalue("target") == "esp32s2"', reason='raised IllegalInstruction instead')
@pytest.mark.parametrize('config', ['panic'], indirect=True)
@pytest.mark.generic
def test_assert_cache_disabled(
dut: PanicTestDut, config: str, test_func_name: str
) -> None:
dut.expect_test_func_name(test_func_name)
dut.expect(re.compile(rb'assert failed: [0-9xa-fA-F]+.*$', re.MULTILINE))
dut.expect_backtrace()
dut.expect_elf_sha256()
dut.expect_none(['Guru Meditation', 'Re-entered core dump'])
common_test(dut, config, expected_backtrace=get_default_backtrace(test_func_name))