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

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#!/usr/bin/env python
#
# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Test script for unit test case.
"""
import re
import os
import sys
import time
import argparse
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
import Env
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-fA-F\d]{8} on core \d)")
FINISH_PATTERN = re.compile(r"1 Tests (\d) Failures (\d) Ignored")
END_LIST_STR = r'\r?\nEnter test for running'
TEST_PATTERN = re.compile(r'\((\d+)\)\s+"([^"]+)" ([^\r]+)\r?\n(' + END_LIST_STR + r')?')
TEST_SUBMENU_PATTERN = re.compile(r'\s+\((\d+)\)\s+"[^"]+"\r?\n(?=(?=\()|(' + END_LIST_STR + r'))')
SIMPLE_TEST_ID = 0
MULTI_STAGE_ID = 1
MULTI_DEVICE_ID = 2
STARTUP_TIMEOUT=10
DEFAULT_TIMEOUT=20
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 we input cmd `-`, and check either bootup print or test history,
# to determine if DUT is ready to test.
dut.write("-", flush=False)
dut.expect_any(UT_APP_BOOT_UP_DONE,
"0 Tests 0 Failures 0 Ignored", timeout=STARTUP_TIMEOUT)
@IDF.idf_unit_test(env_tag="UT_T1_1")
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)
if len(case_config[ut_config]) > 0:
replace_app_bin(dut, "unit-test-app", case_config[ut_config][0].get('app_bin'))
dut.start_app()
for one_case in case_config[ut_config]:
reset_dut(dut)
# 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)
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")
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")
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:
Utility.console_log("""Reset Check Failed: \r\n\tExpected: {}\r\n\tGet: {}"""
.format(one_case["reset"], exception_reset_list),
color="orange")
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")
one_case_finish(False)
break
# 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.fail_name = None
self.timeout = timeout
self.force_stop = threading.Event() # it show the running status
reset_dut(self.dut) # reset the board to make it start from begining
threading.Thread.__init__(self, name="{} Handler".format(dut))
def run(self):
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
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]))
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try:
time.sleep(1)
self.dut.write("\"{}\"".format(self.parent_case_name))
self.dut.expect("Running " + self.parent_case_name + "...")
except ExpectTimeout:
Utility.console_log("No case detected!", color="orange")
while not self.finish and not self.force_stop.isSet():
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 stop(self):
self.force_stop.set()
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, app_bin=None):
if name in duts:
dut = duts[name]
else:
dut = env.get_dut(name, app_path=ut_config)
duts[name] = dut
replace_app_bin(dut, "unit-test-app", app_bin)
dut.start_app() # download bin to board
return dut
def case_run(duts, ut_config, env, one_case, failed_cases, app_bin):
lock = threading.RLock()
threads = []
send_signal_list = []
result = True
parent_case, case_num = get_case_info(one_case)
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for i in range(case_num):
dut = get_dut(duts, env, "dut%d" % i, ut_config, app_bin)
threads.append(Handler(dut, send_signal_list, lock,
parent_case, i, one_case["timeout"]))
for thread in threads:
thread.setDaemon(True)
thread.start()
for thread in threads:
thread.join()
result = result and thread.result
if not thread.result:
[thd.stop() for thd in threads]
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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")
@IDF.idf_unit_test(env_tag="UT_T2_1")
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]:
case_run(DUTS, ut_config, env, one_case, failed_cases, one_case.get('app_bin'))
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")
@IDF.idf_unit_test(env_tag="UT_T1_1")
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)
if len(case_config[ut_config]) > 0:
replace_app_bin(dut, "unit-test-app", case_config[ut_config][0].get('app_bin'))
dut.start_app()
for one_case in case_config[ut_config]:
reset_dut(dut)
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:
Utility.console_log("""Reset Check Failed: \r\n\tExpected: {}\r\n\tGet: {}"""
.format(one_case["reset"], exception_reset_list),
color="orange")
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()
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")
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")
# 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
# 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")
def detect_update_unit_test_info(env, extra_data, app_bin):
case_config = format_test_case_config(extra_data)
for ut_config in case_config:
dut = env.get_dut("unit-test-app", app_path=ut_config)
replace_app_bin(dut, "unit-test-app", app_bin)
dut.start_app()
reset_dut(dut)
# get the list of test cases
dut.write("")
dut.expect("Here's the test menu, pick your combo:", timeout=DEFAULT_TIMEOUT)
def find_update_dic(name, t, timeout, child_case_num=None):
for dic in extra_data:
if dic['name'] == name:
dic['type'] = t
if 'timeout' not in dic:
dic['timeout'] = timeout
if child_case_num:
dic['child case num'] = child_case_num
try:
while True:
data = dut.expect(TEST_PATTERN, timeout=DEFAULT_TIMEOUT)
test_case_name = data[1]
m = re.search(r'\[timeout=(\d+)\]', data[2])
if m:
timeout = int(m.group(1))
else:
timeout = 30
m = re.search(r'\[multi_stage\]', data[2])
if m:
test_case_type = MULTI_STAGE_ID
else:
m = re.search(r'\[multi_device\]', data[2])
if m:
test_case_type = MULTI_DEVICE_ID
else:
test_case_type = SIMPLE_TEST_ID
find_update_dic(test_case_name, test_case_type, timeout)
if data[3] and re.search(END_LIST_STR, data[3]):
break
continue
# find the last submenu item
data = dut.expect(TEST_SUBMENU_PATTERN, timeout=DEFAULT_TIMEOUT)
find_update_dic(test_case_name, test_case_type, timeout, child_case_num=int(data[0]))
if data[1] and re.search(END_LIST_STR, data[1]):
break
# check if the unit test case names are correct, i.e. they could be found in the device
for dic in extra_data:
if 'type' not in dic:
raise ValueError("Unit test \"{}\" doesn't exist in the flashed device!".format(dic.get('name')))
except ExpectTimeout:
Utility.console_log("Timeout during getting the test list", color="red")
finally:
dut.close()
# These options are the same for all configs, therefore there is no need to continue
break
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
'--repeat', '-r',
help='Number of repetitions for the test(s). Default is 1.',
type=int,
default=1
)
parser.add_argument("--env_config_file", "-e",
help="test env config file",
default=None
)
parser.add_argument("--app_bin", "-b",
help="application binary file for flashing the chip",
default=None
)
parser.add_argument(
'test',
help='Comma separated list of <option>:<argument> where option can be "name" (default), "child case num", \
"config", "timeout".',
nargs='+'
)
args = parser.parse_args()
list_of_dicts = []
for test in args.test:
test_args = test.split(r',')
test_dict = dict()
for test_item in test_args:
if len(test_item) == 0:
continue
pair = test_item.split(r':')
if len(pair) == 1 or pair[0] is 'name':
test_dict['name'] = pair[0]
elif len(pair) == 2:
if pair[0] == 'timeout' or pair[0] == 'child case num':
test_dict[pair[0]] = int(pair[1])
else:
test_dict[pair[0]] = pair[1]
else:
raise ValueError('Error in argument item {} of {}'.format(test_item, test))
test_dict['app_bin'] = args.app_bin
list_of_dicts.append(test_dict)
TinyFW.set_default_config(env_config_file=args.env_config_file)
env_config = TinyFW.get_default_config()
env_config['app'] = UT
env_config['dut'] = IDF.IDFDUT
env_config['test_suite_name'] = 'unit_test_parsing'
env = Env.Env(**env_config)
detect_update_unit_test_info(env, extra_data=list_of_dicts, app_bin=args.app_bin)
for i in range(1, args.repeat+1):
if args.repeat > 1:
Utility.console_log("Repetition {}".format(i), color="green")
for dic in list_of_dicts:
t = dic.get('type', SIMPLE_TEST_ID)
if t == SIMPLE_TEST_ID:
run_unit_test_cases(extra_data=dic)
elif t == MULTI_STAGE_ID:
run_multiple_stage_cases(extra_data=dic)
elif t == MULTI_DEVICE_ID:
run_multiple_devices_cases(extra_data=dic)
else:
raise ValueError('Unknown type {} of {}'.format(t, dic.get('name')))