#!/usr/bin/env python # Copyright (c) 2016 Orange and others. # # All rights reserved. This program and the accompanying materials # are made available under the terms of the Apache License, Version 2.0 # which accompanies this distribution, and is available at # http://www.apache.org/licenses/LICENSE-2.0 """Define the parent class of all Xtesting TestCases.""" import abc from datetime import datetime import json import logging import os import re import requests import prettytable import six from xtesting.utils import decorators from xtesting.utils import env __author__ = "Cedric Ollivier " @six.add_metaclass(abc.ABCMeta) class TestCase(object): # pylint: disable=too-many-instance-attributes """Base model for single test case.""" EX_OK = os.EX_OK """everything is OK""" EX_RUN_ERROR = os.EX_SOFTWARE """run() failed""" EX_PUSH_TO_DB_ERROR = os.EX_SOFTWARE - 1 """push_to_db() failed""" EX_TESTCASE_FAILED = os.EX_SOFTWARE - 2 """results are false""" EX_TESTCASE_SKIPPED = os.EX_SOFTWARE - 3 """requirements are unmet""" _job_name_rule = "(dai|week)ly-(.+?)-[0-9]*" _headers = {'Content-Type': 'application/json'} __logger = logging.getLogger(__name__) def __init__(self, **kwargs): self.details = {} self.project_name = kwargs.get('project_name', 'xtesting') self.case_name = kwargs.get('case_name', '') self.criteria = kwargs.get('criteria', 100) self.result = 0 self.start_time = 0 self.stop_time = 0 self.is_skipped = False def __str__(self): try: assert self.project_name assert self.case_name if self.is_skipped: result = 'SKIP' else: result = 'PASS' if(self.is_successful( ) == TestCase.EX_OK) else 'FAIL' msg = prettytable.PrettyTable( header_style='upper', padding_width=5, field_names=['test case', 'project', 'duration', 'result']) msg.add_row([self.case_name, self.project_name, self.get_duration(), result]) return msg.get_string() except AssertionError: self.__logger.error("We cannot print invalid objects") return super(TestCase, self).__str__() def get_duration(self): """Return the duration of the test case. Returns: duration if start_time and stop_time are set "XX:XX" otherwise. """ try: if self.is_skipped: return "00:00" assert self.start_time assert self.stop_time if self.stop_time < self.start_time: return "XX:XX" return "{0[0]:02.0f}:{0[1]:02.0f}".format(divmod( self.stop_time - self.start_time, 60)) except Exception: # pylint: disable=broad-except self.__logger.error("Please run test before getting the duration") return "XX:XX" def is_successful(self): """Interpret the result of the test case. It allows getting the result of TestCase. It completes run() which only returns the execution status. It can be overriden if checking result is not suitable. Returns: TestCase.EX_OK if result is 'PASS'. TestCase.EX_TESTCASE_SKIPPED if test case is skipped. TestCase.EX_TESTCASE_FAILED otherwise. """ try: if self.is_skipped: return TestCase.EX_TESTCASE_SKIPPED assert self.criteria assert self.result is not None if (not isinstance(self.result, str) and not isinstance(self.criteria, str)): if self.result >= self.criteria: return TestCase.EX_OK else: # Backward compatibility # It must be removed as soon as TestCase subclasses # stop setting result = 'PASS' or 'FAIL'. # In this case criteria is unread. self.__logger.warning( "Please update result which must be an int!") if self.result == 'PASS': return TestCase.EX_OK except AssertionError: self.__logger.error("Please run test before checking the results") return TestCase.EX_TESTCASE_FAILED def check_requirements(self): # pylint: disable=no-self-use """Check the requirements of the test case. It can be overriden on purpose. """ self.is_skipped = False @abc.abstractmethod def run(self, **kwargs): """Run the test case. It allows running TestCase and getting its execution status. The subclasses must override the default implementation which is false on purpose. The new implementation must set the following attributes to push the results to DB: * result, * start_time, * stop_time. Args: kwargs: Arbitrary keyword arguments. """ @decorators.can_dump_request_to_file def push_to_db(self): """Push the results of the test case to the DB. It allows publishing the results and checking the status. It could be overriden if the common implementation is not suitable. The following attributes must be set before pushing the results to DB: * project_name, * case_name, * result, * start_time, * stop_time. The next vars must be set in env: * TEST_DB_URL, * INSTALLER_TYPE, * DEPLOY_SCENARIO, * NODE_NAME, * BUILD_TAG. Returns: TestCase.EX_OK if results were pushed to DB. TestCase.EX_PUSH_TO_DB_ERROR otherwise. """ try: if self.is_skipped: return TestCase.EX_PUSH_TO_DB_ERROR assert self.project_name assert self.case_name assert self.start_time assert self.stop_time url = env.get('TEST_DB_URL') data = {"project_name": self.project_name, "case_name": self.case_name, "details": self.details} data["installer"] = env.get('INSTALLER_TYPE') data["scenario"] = env.get('DEPLOY_SCENARIO') data["pod_name"] = env.get('NODE_NAME') data["build_tag"] = env.get('BUILD_TAG') data["criteria"] = 'PASS' if self.is_successful( ) == TestCase.EX_OK else 'FAIL' data["start_date"] = datetime.fromtimestamp( self.start_time).strftime('%Y-%m-%d %H:%M:%S') data["stop_date"] = datetime.fromtimestamp( self.stop_time).strftime('%Y-%m-%d %H:%M:%S') try: data["version"] = re.search( TestCase._job_name_rule, env.get('BUILD_TAG')).group(2) except Exception: # pylint: disable=broad-except data["version"] = "unknown" req = requests.post( url, data=json.dumps(data, sort_keys=True), headers=self._headers) req.raise_for_status() self.__logger.info( "The results were successfully pushed to DB %s", url) except AssertionError: self.__logger.exception( "Please run test before publishing the results") return TestCase.EX_PUSH_TO_DB_ERROR except requests.exceptions.HTTPError: self.__logger.exception("The HTTP request raises issues") return TestCase.EX_PUSH_TO_DB_ERROR except Exception: # pylint: disable=broad-except self.__logger.exception("The results cannot be pushed to DB") return TestCase.EX_PUSH_TO_DB_ERROR return TestCase.EX_OK def clean(self): """Clean the resources. It can be overriden if resources must be deleted after running the test case. """