OVMS3-idf/tools/unit-test-app/unit_test.py

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"""
Test script for unit test case.
"""
import re
import os
import sys
import time
import threading
# if we want to run test case outside `tiny-test-fw` folder,
# we need to insert tiny-test-fw path into sys path
test_fw_path = os.getenv("TEST_FW_PATH")
if test_fw_path and test_fw_path not in sys.path:
sys.path.insert(0, test_fw_path)
import TinyFW
import IDF
import Utility
from DUT import ExpectTimeout
from IDF.IDFApp import UT
UT_APP_BOOT_UP_DONE = "Press ENTER to see the list of tests."
RESET_PATTERN = re.compile(r"(ets [\w]{3}\s+[\d]{1,2} [\d]{4} [\d]{2}:[\d]{2}:[\d]{2}[^()]*\([\w].*?\))")
EXCEPTION_PATTERN = re.compile(r"(Guru Meditation Error: Core\s+\d panic'ed \([\w].*?\))")
ABORT_PATTERN = re.compile(r"(abort\(\) was called at PC 0x[a-eA-E\d]{8} on core \d)")
FINISH_PATTERN = re.compile(r"1 Tests (\d) Failures (\d) Ignored")
STARTUP_TIMEOUT=10
def format_test_case_config(test_case_data):
"""
convert the test case data to unified format.
We need to following info to run unit test cases:
1. unit test app config
2. test case name
3. test case reset info
the formatted case config is a dict, with ut app config as keys. The value is a list of test cases.
Each test case is a dict with "name" and "reset" as keys. For example::
case_config = {
"default": [{"name": "restart from PRO CPU", "reset": "SW_CPU_RESET"}, {...}],
"psram": [{"name": "restart from PRO CPU", "reset": "SW_CPU_RESET"}],
}
If config is not specified for test case, then
:param test_case_data: string, list, or a dictionary list
:return: formatted data
"""
case_config = dict()
def parse_case(one_case_data):
""" parse and format one case """
def process_reset_list(reset_list):
# strip space and remove white space only items
_output = list()
for _r in reset_list:
_data = _r.strip(" ")
if _data:
_output.append(_data)
return _output
_case = dict()
if isinstance(one_case_data, str):
_temp = one_case_data.split(" [reset=")
_case["name"] = _temp[0]
try:
_case["reset"] = process_reset_list(_temp[1][0:-1].split(","))
except IndexError:
_case["reset"] = list()
elif isinstance(one_case_data, dict):
_case = one_case_data.copy()
assert "name" in _case
if "reset" not in _case:
_case["reset"] = list()
else:
if isinstance(_case["reset"], str):
_case["reset"] = process_reset_list(_case["reset"].split(","))
else:
raise TypeError("Not supported type during parsing unit test case")
if "config" not in _case:
_case["config"] = "default"
return _case
if not isinstance(test_case_data, list):
test_case_data = [test_case_data]
for case_data in test_case_data:
parsed_case = parse_case(case_data)
try:
case_config[parsed_case["config"]].append(parsed_case)
except KeyError:
case_config[parsed_case["config"]] = [parsed_case]
return case_config
def replace_app_bin(dut, name, new_app_bin):
if new_app_bin is None:
return
search_pattern = '/{}.bin'.format(name)
for i, config in enumerate(dut.download_config):
if config.endswith(search_pattern):
dut.download_config[i] = new_app_bin
Utility.console_log("The replaced application binary is {}".format(new_app_bin), "O")
break
def reset_dut(dut):
dut.reset()
# esptool ``run`` cmd takes quite long time.
# before reset finish, serial port is closed. therefore DUT could already bootup before serial port opened.
# this could cause checking bootup print failed.
# now use input cmd `-` and check test history to check if DUT is bootup.
# we'll retry this step for a few times in case `dut.reset` returns during DUT bootup (when DUT can't process any command).
for _ in range(DUT_STARTUP_CHECK_RETRY_COUNT):
dut.write("-")
try:
dut.expect("0 Tests 0 Failures 0 Ignored", timeout=TEST_HISTROY_CHECK_TIMEOUT)
break
except ExpectTimeout:
pass
else:
raise AssertationError("Reset {} ({}) failed!".format(dut.name, dut.port))
def run_one_normal_case(dut, one_case, junit_test_case, failed_cases):
reset_dut(dut)
dut.start_capture_raw_data()
# run test case
dut.write("\"{}\"".format(one_case["name"]))
dut.expect("Running " + one_case["name"] + "...")
exception_reset_list = []
# we want to set this flag in callbacks (inner functions)
# use list here so we can use append to set this flag
test_finish = list()
# expect callbacks
def one_case_finish(result):
""" one test finished, let expect loop break and log result """
test_finish.append(True)
output = dut.stop_capture_raw_data()
if result:
Utility.console_log("Success: " + one_case["name"], color="green")
else:
failed_cases.append(one_case["name"])
Utility.console_log("Failed: " + one_case["name"], color="red")
junit_test_case.add_failure_info(output)
def handle_exception_reset(data):
"""
just append data to exception list.
exception list will be checked in ``handle_reset_finish``, once reset finished.
"""
exception_reset_list.append(data[0])
def handle_test_finish(data):
""" test finished without reset """
# in this scenario reset should not happen
assert not exception_reset_list
if int(data[1]):
# case ignored
Utility.console_log("Ignored: " + one_case["name"], color="orange")
junit_test_case.add_skipped_info("ignored")
one_case_finish(not int(data[0]))
def handle_reset_finish(data):
""" reset happened and reboot finished """
assert exception_reset_list # reboot but no exception/reset logged. should never happen
result = False
if len(one_case["reset"]) == len(exception_reset_list):
for i, exception in enumerate(exception_reset_list):
if one_case["reset"][i] not in exception:
break
else:
result = True
if not result:
err_msg = "Reset Check Failed: \r\n\tExpected: {}\r\n\tGet: {}".format(one_case["reset"],
exception_reset_list)
Utility.console_log(err_msg, color="orange")
junit_test_case.add_error_info(err_msg)
one_case_finish(result)
while not test_finish:
try:
dut.expect_any((RESET_PATTERN, handle_exception_reset),
(EXCEPTION_PATTERN, handle_exception_reset),
(ABORT_PATTERN, handle_exception_reset),
(FINISH_PATTERN, handle_test_finish),
(UT_APP_BOOT_UP_DONE, handle_reset_finish),
timeout=one_case["timeout"])
except ExpectTimeout:
Utility.console_log("Timeout in expect", color="orange")
junit_test_case.add_error_info("timeout")
one_case_finish(False)
break
@IDF.idf_unit_test(env_tag="UT_T1_1", junit_report_by_case=True)
def run_unit_test_cases(env, extra_data):
"""
extra_data can be three types of value
1. as string:
1. "case_name"
2. "case_name [reset=RESET_REASON]"
2. as dict:
1. with key like {"name": "Intr_alloc test, shared ints"}
2. with key like {"name": "restart from PRO CPU", "reset": "SW_CPU_RESET", "config": "psram"}
3. as list of string or dict:
[case1, case2, case3, {"name": "restart from PRO CPU", "reset": "SW_CPU_RESET"}, ...]
:param extra_data: the case name or case list or case dictionary
:return: None
"""
case_config = format_test_case_config(extra_data)
# we don't want stop on failed case (unless some special scenarios we can't handle)
# this flag is used to log if any of the case failed during executing
# Before exit test function this flag is used to log if the case fails
failed_cases = []
for ut_config in case_config:
Utility.console_log("Running unit test for config: " + ut_config, "O")
dut = env.get_dut("unit-test-app", app_path=ut_config)
dut.start_app()
Utility.console_log("Download finished, start running test cases", "O")
for one_case in case_config[ut_config]:
# create junit report test case
junit_test_case = TinyFW.JunitReport.create_test_case("[{}] {}".format(ut_config, one_case["name"]))
try:
run_one_normal_case(dut, one_case, junit_test_case, failed_cases)
TinyFW.JunitReport.test_case_finish(junit_test_case)
except Exception as e:
junit_test_case.add_error_info("Unexpected exception: " + str(e))
TinyFW.JunitReport.test_case_finish(junit_test_case)
# raise exception if any case fails
if failed_cases:
Utility.console_log("Failed Cases:", color="red")
for _case_name in failed_cases:
Utility.console_log("\t" + _case_name, color="red")
raise AssertionError("Unit Test Failed")
class Handler(threading.Thread):
WAIT_SIGNAL_PATTERN = re.compile(r'Waiting for signal: \[(.+)\]!')
SEND_SIGNAL_PATTERN = re.compile(r'Send signal: \[(.+)\]!')
FINISH_PATTERN = re.compile(r"1 Tests (\d) Failures (\d) Ignored")
def __init__(self, dut, sent_signal_list, lock, parent_case_name, child_case_index, timeout):
self.dut = dut
self.sent_signal_list = sent_signal_list
self.lock = lock
self.parent_case_name = parent_case_name
self.child_case_name = ""
self.child_case_index = child_case_index + 1
self.finish = False
self.result = False
self.output = ""
self.fail_name = None
self.timeout = timeout
threading.Thread.__init__(self, name="{} Handler".format(dut))
def run(self):
self.dut.start_capture_raw_data()
def get_child_case_name(data):
self.child_case_name = data[0]
time.sleep(1)
self.dut.write(str(self.child_case_index))
def one_device_case_finish(result):
""" one test finished, let expect loop break and log result """
self.finish = True
self.result = result
self.output = "[{}]\n\n{}\n".format(self.child_case_name,
self.dut.stop_capture_raw_data())
if not result:
self.fail_name = self.child_case_name
def device_wait_action(data):
start_time = time.time()
expected_signal = data[0]
while 1:
if time.time() > start_time + self.timeout:
Utility.console_log("Timeout in device for function: %s"%self.child_case_name, color="orange")
break
with self.lock:
if expected_signal in self.sent_signal_list:
self.dut.write(" ")
self.sent_signal_list.remove(expected_signal)
break
time.sleep(0.01)
def device_send_action(data):
with self.lock:
self.sent_signal_list.append(data[0].encode('utf-8'))
def handle_device_test_finish(data):
""" test finished without reset """
# in this scenario reset should not happen
if int(data[1]):
# case ignored
Utility.console_log("Ignored: " + self.child_case_name, color="orange")
one_device_case_finish(not int(data[0]))
self.dut.reset()
self.dut.write("-", flush=False)
self.dut.expect_any(UT_APP_BOOT_UP_DONE, "0 Tests 0 Failures 0 Ignored")
time.sleep(1)
self.dut.write("\"{}\"".format(self.parent_case_name))
self.dut.expect("Running " + self.parent_case_name + "...")
while not self.finish:
try:
self.dut.expect_any((re.compile('\(' + str(self.child_case_index) + '\)\s"(\w+)"'), get_child_case_name),
(self.WAIT_SIGNAL_PATTERN, device_wait_action), # wait signal pattern
(self.SEND_SIGNAL_PATTERN, device_send_action), # send signal pattern
(self.FINISH_PATTERN, handle_device_test_finish), # test finish pattern
timeout=self.timeout)
except ExpectTimeout:
Utility.console_log("Timeout in expect", color="orange")
one_device_case_finish(False)
break
def get_case_info(one_case):
parent_case = one_case["name"]
child_case_num = one_case["child case num"]
return parent_case, child_case_num
def get_dut(duts, env, name, ut_config):
if name in duts:
dut = duts[name]
else:
dut = env.get_dut(name, app_path=ut_config)
duts[name] = dut
dut.start_app()
return dut
def run_one_multiple_devices_case(duts, ut_config, env, one_case, failed_cases, junit_test_case):
lock = threading.RLock()
threads = []
send_signal_list = []
failed_device = []
result = True
parent_case, case_num = get_case_info(one_case)
for i in range(case_num):
dut = get_dut(duts, env, "dut%d" % i, ut_config)
threads.append(Handler(dut, send_signal_list, lock,
parent_case, i, one_case["timeout"]))
for thread in threads:
thread.setDaemon(True)
thread.start()
output = "Multiple Device Failed\n"
for thread in threads:
thread.join()
result = result and thread.result
output += thread.output
if not thread.result:
failed_device.append(thread.fail_name)
if result:
Utility.console_log("Success: " + one_case["name"], color="green")
else:
failed_cases.append(one_case["name"])
junit_test_case.add_failure_info(output)
Utility.console_log("Failed: " + one_case["name"], color="red")
@IDF.idf_unit_test(env_tag="UT_T2_1", junit_report_by_case=True)
def run_multiple_devices_cases(env, extra_data):
"""
extra_data can be two types of value
1. as dict:
e.g.
{"name": "gpio master/slave test example",
"child case num": 2,
"config": "release",
"env_tag": "UT_T2_1"}
2. as list dict:
e.g.
[{"name": "gpio master/slave test example1",
"child case num": 2,
"config": "release",
"env_tag": "UT_T2_1"},
{"name": "gpio master/slave test example2",
"child case num": 2,
"config": "release",
"env_tag": "UT_T2_1"}]
"""
failed_cases = []
case_config = format_test_case_config(extra_data)
duts = {}
for ut_config in case_config:
Utility.console_log("Running unit test for config: " + ut_config, "O")
for one_case in case_config[ut_config]:
junit_test_case = TinyFW.JunitReport.create_test_case("[{}] {}".format(ut_config, one_case["name"]))
try:
run_one_multiple_devices_case(duts, ut_config, env, one_case, failed_cases, junit_test_case)
TinyFW.JunitReport.test_case_finish(junit_test_case)
except Exception as e:
junit_test_case.add_error_info("Unexpected exception: " + str(e))
TinyFW.JunitReport.test_case_finish(junit_test_case)
if failed_cases:
Utility.console_log("Failed Cases:", color="red")
for _case_name in failed_cases:
Utility.console_log("\t" + _case_name, color="red")
raise AssertionError("Unit Test Failed")
def run_one_multiple_stage_case(dut, one_case, failed_cases, junit_test_case):
reset_dut(dut)
dut.start_capture_raw_data()
exception_reset_list = []
for test_stage in range(one_case["child case num"]):
# select multi stage test case name
dut.write("\"{}\"".format(one_case["name"]))
dut.expect("Running " + one_case["name"] + "...")
# select test function for current stage
dut.write(str(test_stage + 1))
# we want to set this flag in callbacks (inner functions)
# use list here so we can use append to set this flag
stage_finish = list()
def last_stage():
return test_stage == one_case["child case num"] - 1
def check_reset():
if one_case["reset"]:
assert exception_reset_list # reboot but no exception/reset logged. should never happen
result = False
if len(one_case["reset"]) == len(exception_reset_list):
for i, exception in enumerate(exception_reset_list):
if one_case["reset"][i] not in exception:
break
else:
result = True
if not result:
err_msg = "Reset Check Failed: \r\n\tExpected: {}\r\n\tGet: {}".format(one_case["reset"],
exception_reset_list)
Utility.console_log(err_msg, color="orange")
junit_test_case.add_error_info(err_msg)
else:
# we allow omit reset in multi stage cases
result = True
return result
# expect callbacks
def one_case_finish(result):
""" one test finished, let expect loop break and log result """
# handle test finish
result = result and check_reset()
output = dut.stop_capture_raw_data()
if result:
Utility.console_log("Success: " + one_case["name"], color="green")
else:
failed_cases.append(one_case["name"])
Utility.console_log("Failed: " + one_case["name"], color="red")
junit_test_case.add_failure_info(output)
stage_finish.append("break")
def handle_exception_reset(data):
"""
just append data to exception list.
exception list will be checked in ``handle_reset_finish``, once reset finished.
"""
exception_reset_list.append(data[0])
def handle_test_finish(data):
""" test finished without reset """
# in this scenario reset should not happen
if int(data[1]):
# case ignored
Utility.console_log("Ignored: " + one_case["name"], color="orange")
junit_test_case.add_skipped_info("ignored")
# only passed in last stage will be regarded as real pass
if last_stage():
one_case_finish(not int(data[0]))
else:
Utility.console_log("test finished before enter last stage", color="orange")
one_case_finish(False)
def handle_next_stage(data):
""" reboot finished. we goto next stage """
if last_stage():
# already last stage, should never goto next stage
Utility.console_log("didn't finish at last stage", color="orange")
one_case_finish(False)
else:
stage_finish.append("continue")
while not stage_finish:
try:
dut.expect_any((RESET_PATTERN, handle_exception_reset),
(EXCEPTION_PATTERN, handle_exception_reset),
(ABORT_PATTERN, handle_exception_reset),
(FINISH_PATTERN, handle_test_finish),
(UT_APP_BOOT_UP_DONE, handle_next_stage),
timeout=one_case["timeout"])
except ExpectTimeout:
Utility.console_log("Timeout in expect", color="orange")
one_case_finish(False)
break
if stage_finish[0] == "break":
# test breaks on current stage
break
@IDF.idf_unit_test(env_tag="UT_T1_1", junit_report_by_case=True)
def run_multiple_stage_cases(env, extra_data):
"""
extra_data can be 2 types of value
1. as dict: Mandantory keys: "name" and "child case num", optional keys: "reset" and others
3. as list of string or dict:
[case1, case2, case3, {"name": "restart from PRO CPU", "child case num": 2}, ...]
:param extra_data: the case name or case list or case dictionary
:return: None
"""
case_config = format_test_case_config(extra_data)
# we don't want stop on failed case (unless some special scenarios we can't handle)
# this flag is used to log if any of the case failed during executing
# Before exit test function this flag is used to log if the case fails
failed_cases = []
for ut_config in case_config:
Utility.console_log("Running unit test for config: " + ut_config, "O")
dut = env.get_dut("unit-test-app", app_path=ut_config)
dut.start_app()
for one_case in case_config[ut_config]:
junit_test_case = TinyFW.JunitReport.create_test_case("[{}] {}".format(ut_config, one_case["name"]))
try:
run_one_multiple_stage_case(dut, one_case, failed_cases, junit_test_case)
TinyFW.JunitReport.test_case_finish(junit_test_case)
except Exception as e:
junit_test_case.add_error_info("Unexpected exception: " + str(e))
TinyFW.JunitReport.test_case_finish(junit_test_case)
# raise exception if any case fails
if failed_cases:
Utility.console_log("Failed Cases:", color="red")
for _case_name in failed_cases:
Utility.console_log("\t" + _case_name, color="red")
raise AssertionError("Unit Test Failed")
if __name__ == '__main__':
run_multiple_devices_cases(extra_data={"name": "gpio master/slave test example",
"child case num": 2,
"config": "release",
"env_tag": "UT_T2_1"})