You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
4.6 KiB
141 lines
4.6 KiB
# Copyright 2019, The Android Open Source Project
|
|
#
|
|
# 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.
|
|
|
|
"""
|
|
Classes for bug events history
|
|
"""
|
|
|
|
import datetime
|
|
import logging
|
|
import json
|
|
import os
|
|
|
|
import constants
|
|
|
|
from metrics import metrics_utils
|
|
|
|
_META_FILE = os.path.join(os.path.expanduser('~'),
|
|
'.config', 'asuite', 'atest_history.json')
|
|
_DETECT_OPTION_FILTER = ['-v', '--verbose']
|
|
_DETECTED_SUCCESS = 1
|
|
_DETECTED_FAIL = 0
|
|
# constants of history key
|
|
_LATEST_EXIT_CODE = 'latest_exit_code'
|
|
_UPDATED_AT = 'updated_at'
|
|
|
|
class BugDetector(object):
|
|
"""Class for handling if a bug is detected by comparing test history."""
|
|
|
|
def __init__(self, argv, exit_code, history_file=None):
|
|
"""BugDetector constructor
|
|
|
|
Args:
|
|
argv: A list of arguments.
|
|
exit_code: An integer of exit code.
|
|
history_file: A string of a given history file path.
|
|
"""
|
|
self.detect_key = self.get_detect_key(argv)
|
|
self.exit_code = exit_code
|
|
self.file = history_file if history_file else _META_FILE
|
|
self.history = self.get_history()
|
|
self.caught_result = self.detect_bug_caught()
|
|
self.update_history()
|
|
|
|
def get_detect_key(self, argv):
|
|
"""Get the key for history searching.
|
|
|
|
1. remove '-v' in argv to argv_no_verbose
|
|
2. sort the argv_no_verbose
|
|
|
|
Args:
|
|
argv: A list of arguments.
|
|
|
|
Returns:
|
|
A string of ordered command line.
|
|
"""
|
|
argv_without_option = [x for x in argv if x not in _DETECT_OPTION_FILTER]
|
|
argv_without_option.sort()
|
|
return ' '.join(argv_without_option)
|
|
|
|
def get_history(self):
|
|
"""Get a history object from a history file.
|
|
|
|
e.g.
|
|
{
|
|
"SystemUITests:.ScrimControllerTest":{
|
|
"latest_exit_code": 5, "updated_at": "2019-01-26T15:33:08.305026"},
|
|
"--host hello_world_test ":{
|
|
"latest_exit_code": 0, "updated_at": "2019-02-26T15:33:08.305026"},
|
|
}
|
|
|
|
Returns:
|
|
An object of loading from a history.
|
|
"""
|
|
history = {}
|
|
if os.path.exists(self.file):
|
|
with open(self.file) as json_file:
|
|
try:
|
|
history = json.load(json_file)
|
|
except ValueError as e:
|
|
logging.debug(e)
|
|
metrics_utils.handle_exc_and_send_exit_event(
|
|
constants.ACCESS_HISTORY_FAILURE)
|
|
return history
|
|
|
|
def detect_bug_caught(self):
|
|
"""Detection of catching bugs.
|
|
|
|
When latest_exit_code and current exit_code are different, treat it
|
|
as a bug caught.
|
|
|
|
Returns:
|
|
A integer of detecting result, e.g.
|
|
1: success
|
|
0: fail
|
|
"""
|
|
if not self.history:
|
|
return _DETECTED_FAIL
|
|
latest = self.history.get(self.detect_key, {})
|
|
if latest.get(_LATEST_EXIT_CODE, self.exit_code) == self.exit_code:
|
|
return _DETECTED_FAIL
|
|
return _DETECTED_SUCCESS
|
|
|
|
def update_history(self):
|
|
"""Update the history file.
|
|
|
|
1. update latest_bug result to history cache.
|
|
2. trim history cache to size from oldest updated time.
|
|
3. write to the file.
|
|
"""
|
|
latest_bug = {
|
|
self.detect_key: {
|
|
_LATEST_EXIT_CODE: self.exit_code,
|
|
_UPDATED_AT: datetime.datetime.now().isoformat()
|
|
}
|
|
}
|
|
self.history.update(latest_bug)
|
|
num_history = len(self.history)
|
|
if num_history > constants.UPPER_LIMIT:
|
|
sorted_history = sorted(self.history.items(),
|
|
key=lambda kv: kv[1][_UPDATED_AT])
|
|
self.history = dict(
|
|
sorted_history[(num_history - constants.TRIM_TO_SIZE):])
|
|
with open(self.file, 'w') as outfile:
|
|
try:
|
|
json.dump(self.history, outfile, indent=0)
|
|
except ValueError as e:
|
|
logging.debug(e)
|
|
metrics_utils.handle_exc_and_send_exit_event(
|
|
constants.ACCESS_HISTORY_FAILURE)
|