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How to use test_backslash method in autotest

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pbs_hook_set_jobenv.py

Source:pbs_hook_set_jobenv.py

1# coding: utf-82# Copyright (C) 1994-2020 Altair Engineering, Inc.3# For more information, contact Altair at www.altair.com.4#5# This file is part of both the OpenPBS software ("OpenPBS")6# and the PBS Professional ("PBS Pro") software.7#8# Open Source License Information:9#10# OpenPBS is free software. You can redistribute it and/or modify it under11# the terms of the GNU Affero General Public License as published by the12# Free Software Foundation, either version 3 of the License, or (at your13# option) any later version.14#15# OpenPBS is distributed in the hope that it will be useful, but WITHOUT16# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or17# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public18# License for more details.19#20# You should have received a copy of the GNU Affero General Public License21# along with this program.  If not, see <http://www.gnu.org/licenses/>.22#23# Commercial License Information:24#25# PBS Pro is commercially licensed software that shares a common core with26# the OpenPBS software.  For a copy of the commercial license terms and27# conditions, go to: (http://www.pbspro.com/agreement.html) or contact the28# Altair Legal Department.29#30# Altair's dual-license business model allows companies, individuals, and31# organizations to create proprietary derivative works of OpenPBS and32# distribute them - whether embedded or bundled with other software -33# under a commercial license agreement.34#35# Use of Altair's trademarks, including but not limited to "PBSâ¢",36# "OpenPBSÂ®", "PBS ProfessionalÂ®", and "PBS Proâ¢" and Altair's logos is37# subject to Altair's trademark licensing policies.38import os39from tests.functional import *40from ptl.utils.pbs_logutils import PBSLogUtils41@skipOnShasta42class TestPbsHookSetJobEnv(TestFunctional):43    """44    This test suite to make sure hooks properly45    handle environment variables with special characters,46    values, in particular newline (\n), commas (,), semicolons (;),47    single quotes ('), double quotes ("), and backaslashes (\).48    PRE: Set up currently executing user's environment to have variables49         whose values have the special characters.50         Job A: Submit a job using the -V option (pass current environment)51         where there are NO hooks in the system.52         Introduce execjob_begin and execjob_launch hooks in the system.53         Let the former update pbs.event().job.Variable_List while the latter54         update pbs.event().env.55         Job B: Submit a job using the -V option (pass current environment)56         where there are now mom hooks in the system.57    POST: Job A and Job B would see the same environment variables, with58          Job B also seeing the changes made to the job by the 2 mom hooks.59    """60    # List of environment variables not to compare between61    # job ran without hooks, job ran with hooks.62    exclude_env = []63    env_nohook = {}64    env_nohook_exclude = {}65    env_hook = {}66    env_hook_exclude = {}67    def setUp(self):68        """69        Set environment variables70        """71        TestFunctional.setUp(self)72        # Set environment variables with special characters73        os.environ['TEST_COMMA'] = '1,2,3,4'74        os.environ['TEST_RETURN'] = """'3,754,765'"""77        os.environ['TEST_SEMICOLON'] = ';'78        os.environ['TEST_ENCLOSED'] = '\',\''79        os.environ['TEST_COLON'] = ':'80        os.environ['TEST_BACKSLASH'] = '\\'81        os.environ['TEST_DQUOTE'] = '"'82        os.environ['TEST_DQUOTE2'] = 'happy days"are"here to stay'83        os.environ['TEST_DQUOTE3'] = 'nothing compares" to you'84        os.environ['TEST_DQUOTE4'] = '"music makes the people"'85        os.environ['TEST_DQUOTE5'] = 'music "makes \'the\'"people'86        os.environ['TEST_DQUOTE6'] = 'lalaland"'87        os.environ['TEST_SQUOTE'] = '\''88        os.environ['TEST_SQUOTE2'] = 'happy\'days'89        os.environ['TEST_SQUOTE3'] = 'the days\'are here now\'then'90        os.environ['TEST_SQUOTE4'] = '\'the way that was\''91        os.environ['TEST_SQUOTE5'] = 'music \'makes "the\'"people'92        os.environ['TEST_SQUOTE6'] = 'loving\''93        os.environ['TEST_SPECIAL'] = "{}[]()~@#$%^&*!"94        os.environ['TEST_SPECIAL2'] = "<dumb-test_text>"95        # List of environment variables not to compare between96        # job ran without hooks, job ran with hooks.97        self.exclude_env = ['PBS_NODEFILE']98        self.exclude_env += ['PBS_JOBID']99        self.exclude_env += ['PBS_JOBCOOKIE']100        # Each job submitted by default gets a unique jobname101        self.exclude_env += ['PBS_JOBNAME']102        self.exclude_env += ['TMPDIR']103        self.exclude_env += ['happy']104        self.ATTR_V = 'Full_Variable_List'105        api_to_cli.setdefault(self.ATTR_V, 'V')106        # temporary files107        fn = self.du.create_temp_file(prefix="job_out1")108        self.job_out1_tempfile = fn109        fn = self.du.create_temp_file(prefix="job_out2")110        self.job_out2_tempfile = fn111        fn = self.du.create_temp_file(prefix="job_out3")112        self.job_out3_tempfile = fn113    def tearDown(self):114        TestFunctional.tearDown(self)115        try:116            os.remove(self.job_out1_tempfile)117            os.remove(self.job_out2_tempfile)118            os.remove(self.job_out3_tempfile)119        except OSError:120            pass121    def read_env(self, outputfile, ishook):122        """123        Parse the output file and store the124        variable list in a dictionary125        """126        with open(outputfile) as fd:127            pkey = ""128            tmpenv = {}129            penv = {}130            penv_exclude = {}131            for line in fd:132                l = line.split("=", 1)133                if (len(l) == 2):134                    pkey = l[0]135                    if pkey not in self.exclude_env:136                        penv[pkey] = l[1]137                        tmpenv = penv138                    else:139                        penv_exclude[pkey] = l[1]140                        tmpenv = penv_exclude141                elif pkey != "":142                    # append to previous dictionary entry143                    tmpenv[pkey] += l[0]144        if (ishook == "hook"):145            self.env_hook = penv146            self.env_hook_exclude = penv_exclude147        else:148            self.env_nohook = penv149            self.env_nohook_exclude = penv_exclude150    def common_log_match(self, daemon):151        """152        Validate the env variable output in daemon logs153        """154        logutils = PBSLogUtils()155        logmsg = ["TEST_COMMA=1\,2\,3\,4",156                  "TEST_SEMICOLON=;",157                  "TEST_ENCLOSED=\\'\,\\'",158                  "TEST_COLON=:",159                  "TEST_BACKSLASH=\\\\",160                  "TEST_DQUOTE=\\\"",161                  "TEST_DQUOTE2=happy days\\\"are\\\"here to stay",162                  "TEST_DQUOTE3=nothing compares\\\" to you",163                  "TEST_DQUOTE4=\\\"music makes the people\\\"",164                  "TEST_DQUOTE5=music \\\"makes \\'the\\'\\\"people",165                  "TEST_DQUOTE6=lalaland\\\"",166                  "TEST_SQUOTE=\\'",167                  "TEST_SQUOTE2=happy\\'days",168                  "TEST_SQUOTE3=the days\\'are here now\\'then",169                  "TEST_SQUOTE4=\\'the way that was\\'",170                  "TEST_SQUOTE5=music \\'makes \\\"the\\'\\\"people",171                  "TEST_SQUOTE6=loving\\'",172                  "TEST_SPECIAL={}[]()~@#$%^&*!",173                  "TEST_SPECIAL2=<dumb-test_text>",174                  "TEST_RETURN=\\'3\,",175                  # Cannot add '\n' here because '\n' is not included in176                  # the items of the list returned by log_lines(), (though177                  # lines are split by '\n')178                  "4\,",179                  "5\\',"]180        if (daemon == "mom"):181            self.logger.info("Matching in mom logs")182            logfile_type = self.mom183        elif (daemon == "server"):184            self.logger.info("Matching in server logs")185            logfile_type = self.server186        else:187            self.logger.info("Provide a valid daemon name; server or mom")188            return189        lines = None190        ret_linenum = 0191        search_msg = 'log match: searching for '192        nomatch_msg = ' No match for '193        for msg in logmsg:194            for attempt in range(1, 61):195                lines = self.server.log_lines(196                    logfile_type, starttime=self.server.ctime)197                match = logutils.match_msg(lines, msg=msg)198                if match:199                    # Dont want the test to pass if there are200                    # unwanted matched for "4\," and "5\\'.201                    if msg == "TEST_RETURN=\\'3\,":202                        ret_linenum = match[0]203                    if (msg == "4\," and match[0] != (ret_linenum - 1)) or \204                       (msg == "5\\'" and match[0] != (ret_linenum - 2)):205                        pass206                    else:207                        self.logger.info(search_msg + msg + ' ... OK')208                        break209                else:210                    self.logger.info(nomatch_msg + msg +211                                     ' attempt ' + str(attempt))212                time.sleep(0.5)213            if match is None:214                _msg = nomatch_msg + msg215                raise PtlLogMatchError(rc=1, rv=False, msg=_msg)216    def common_validate(self):217        """218        This is a common function to validate the219        environment values with and without hook220        """221        self.assertEqual(self.env_nohook, self.env_hook)222        self.logger.info("Environment variables are same"223                         " with and without hooks")224        match_str = self.env_hook['TEST_COMMA'].rstrip('\n')225        self.assertEqual(os.environ['TEST_COMMA'], match_str)226        self.logger.info(227            "TEST_COMMA matched - " + os.environ['TEST_COMMA'] +228            " == " + match_str)229        self.assertEqual(os.environ['TEST_RETURN'],230                         self.env_hook['TEST_RETURN'].rstrip('\n'))231        self.logger.info(232            "TEST_RETURN matched - " + os.environ['TEST_RETURN'] +233            " == " + self.env_hook['TEST_RETURN'].rstrip('\n'))234        self.assertEqual(os.environ['TEST_SEMICOLON'],235                         self.env_hook['TEST_SEMICOLON'].rstrip('\n'))236        self.logger.info(237            "TEST_SEMICOLON matched - " + os.environ['TEST_SEMICOLON'] +238            " == " + self.env_hook['TEST_SEMICOLON'].rstrip('\n'))239        self.assertEqual(240            os.environ['TEST_ENCLOSED'],241            self.env_hook['TEST_ENCLOSED'].rstrip('\n'))242        self.logger.info(243            "TEST_ENCLOSED matched - " + os.environ['TEST_ENCLOSED'] +244            " == " + self.env_hook['TEST_ENCLOSED'].rstrip('\n'))245        self.assertEqual(os.environ['TEST_COLON'],246                         self.env_hook['TEST_COLON'].rstrip('\n'))247        self.logger.info("TEST_COLON matched - " + os.environ['TEST_COLON'] +248                         " == " + self.env_hook['TEST_COLON'].rstrip('\n'))249        self.assertEqual(250            os.environ['TEST_BACKSLASH'],251            self.env_hook['TEST_BACKSLASH'].rstrip('\n'))252        self.logger.info(253            "TEST_BACKSLASH matched - " + os.environ['TEST_BACKSLASH'] +254            " == " + self.env_hook['TEST_BACKSLASH'].rstrip('\n'))255        self.assertEqual(os.environ['TEST_DQUOTE'],256                         self.env_hook['TEST_DQUOTE'].rstrip('\n'))257        self.logger.info("TEST_DQUOTE matched - " +258                         os.environ['TEST_DQUOTE'] +259                         " == " + self.env_hook['TEST_DQUOTE'].rstrip('\n'))260        self.assertEqual(os.environ['TEST_DQUOTE2'],261                         self.env_hook['TEST_DQUOTE2'].rstrip('\n'))262        self.logger.info("TEST_DQUOTE2 matched - " +263                         os.environ['TEST_DQUOTE2'] +264                         " == " + self.env_hook['TEST_DQUOTE2'].rstrip('\n'))265        self.assertEqual(os.environ['TEST_DQUOTE3'],266                         self.env_hook['TEST_DQUOTE3'].rstrip('\n'))267        self.logger.info("TEST_DQUOTE3 matched - " +268                         os.environ['TEST_DQUOTE3'] +269                         " == " + self.env_hook['TEST_DQUOTE3'].rstrip('\n'))270        self.assertEqual(os.environ['TEST_DQUOTE4'],271                         self.env_hook['TEST_DQUOTE4'].rstrip('\n'))272        self.logger.info("TEST_DQUOTE4 matched - " +273                         os.environ['TEST_DQUOTE4'] +274                         " == " + self.env_hook['TEST_DQUOTE4'].rstrip('\n'))275        self.assertEqual(os.environ['TEST_DQUOTE5'],276                         self.env_hook['TEST_DQUOTE5'].rstrip('\n'))277        self.logger.info("TEST_DQUOTE5 matched - " +278                         os.environ['TEST_DQUOTE5'] +279                         " == " + self.env_hook['TEST_DQUOTE5'].rstrip('\n'))280        self.assertEqual(os.environ['TEST_DQUOTE6'],281                         self.env_hook['TEST_DQUOTE6'].rstrip('\n'))282        self.logger.info("TEST_DQUOTE6 matched - " +283                         os.environ['TEST_DQUOTE6'] +284                         " == " + self.env_hook['TEST_DQUOTE6'].rstrip('\n'))285        self.assertEqual(os.environ['TEST_SQUOTE'],286                         self.env_hook['TEST_SQUOTE'].rstrip('\n'))287        self.logger.info("TEST_SQUOTE matched - " + os.environ['TEST_SQUOTE'] +288                         " == " + self.env_hook['TEST_SQUOTE'].rstrip('\n'))289        self.assertEqual(os.environ['TEST_SQUOTE2'],290                         self.env_hook['TEST_SQUOTE2'].rstrip('\n'))291        self.logger.info("TEST_SQUOTE2 matched - " +292                         os.environ['TEST_SQUOTE2'] +293                         " == " + self.env_hook['TEST_SQUOTE2'].rstrip('\n'))294        self.assertEqual(os.environ['TEST_SQUOTE3'],295                         self.env_hook['TEST_SQUOTE3'].rstrip('\n'))296        self.logger.info("TEST_SQUOTE3 matched - " +297                         os.environ['TEST_SQUOTE3'] +298                         " == " + self.env_hook['TEST_SQUOTE3'].rstrip('\n'))299        self.assertEqual(os.environ['TEST_SQUOTE4'],300                         self.env_hook['TEST_SQUOTE4'].rstrip('\n'))301        self.logger.info("TEST_SQUOTE4 matched - " +302                         os.environ['TEST_SQUOTE4'] +303                         " == " + self.env_hook['TEST_SQUOTE4'].rstrip('\n'))304        self.assertEqual(os.environ['TEST_SQUOTE5'],305                         self.env_hook['TEST_SQUOTE5'].rstrip('\n'))306        self.logger.info("TEST_SQUOTE5 matched - " +307                         os.environ['TEST_SQUOTE5'] +308                         " == " + self.env_hook['TEST_SQUOTE5'].rstrip('\n'))309        self.assertEqual(os.environ['TEST_SQUOTE6'],310                         self.env_hook['TEST_SQUOTE6'].rstrip('\n'))311        self.logger.info("TEST_SQUOTE6 matched - " +312                         os.environ['TEST_SQUOTE6'] +313                         " == " + self.env_hook['TEST_SQUOTE6'].rstrip('\n'))314        self.assertEqual(os.environ['TEST_SPECIAL'],315                         self.env_hook['TEST_SPECIAL'].rstrip('\n'))316        self.logger.info("TEST_SPECIAL matched - " +317                         os.environ['TEST_SPECIAL'] +318                         " == " + self.env_hook['TEST_SPECIAL'].rstrip('\n'))319        self.assertEqual(os.environ['TEST_SPECIAL2'],320                         self.env_hook['TEST_SPECIAL2'].rstrip('\n'))321        self.logger.info("TEST_SPECIAL2 matched - " +322                         os.environ['TEST_SPECIAL2'] +323                         " == " + self.env_hook['TEST_SPECIAL2'].rstrip('\n'))324    def create_and_submit_job(self, user=None, attribs=None, content=None,325                              content_interactive=None, preserve_env=False):326        """327        create the job object and submit it to the server328        as 'user', attributes list 'attribs' script329        'content' or 'content_interactive', and to330        'preserve_env' if interactive job.331        """332        # A user=None value means job will be executed by current user333        # where the environment is set up334        if attribs is None:335            use_attribs = {}336        else:337            use_attribs = attribs338        retjob = Job(username=user, attrs=use_attribs)339        if content is not None:340            retjob.create_script(body=content)341        elif content_interactive is not None:342            retjob.interactive_script = content_interactive343            retjob.preserve_env = preserve_env344        return self.server.submit(retjob)345    def test_begin_launch(self):346        """347        Test to verify that job environment variables having special348        characters are not truncated with execjob_launch and349        execjob_begin hook350        """351        self.exclude_env += ['HAPPY']352        self.exclude_env += ['happy']353        a = {'Resource_List.select': '1:ncpus=1',354             'Resource_List.walltime': 10,355             self.ATTR_V: None}356        script = ['env\n']357        script += ['sleep 5\n']358        # Submit a job without hooks in the system359        jid = self.create_and_submit_job(attribs=a, content=script)360        qstat = self.server.status(JOB, ATTR_o, id=jid)361        job_outfile = qstat[0][ATTR_o].split(':')[1]362        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)363        # Read the env variables from job output364        self.env_nohook = {}365        self.env_nohook_exclude = {}366        self.read_env(job_outfile, "nohook")367        # Now start introducing hooks368        hook_body = """369import pbs370e=pbs.event()371e.job.Variable_List["happy"] = "days"372pbs.logmsg(pbs.LOG_DEBUG,"Variable List is %s" % (e.job.Variable_List,))373"""374        hook_name = "begin"375        a2 = {'event': "execjob_begin", 'enabled': 'True', 'debug': 'True'}376        rv = self.server.create_import_hook(377            hook_name,378            a2,379            hook_body,380            overwrite=True)381        self.assertTrue(rv)382        hook_body = """383import pbs384e=pbs.event()385e.env["HAPPY"] = "nights"386"""387        hook_name = "launch"388        a2 = {'event': "execjob_launch", 'enabled': 'True', 'debug': 'True'}389        rv = self.server.create_import_hook(390            hook_name,391            a2,392            hook_body,393            overwrite=True)394        self.assertTrue(rv)395        # Submit a job with hooks in the system396        jid2 = self.create_and_submit_job(attribs=a, content=script)397        qstat = self.server.status(JOB, ATTR_o, id=jid2)398        job_outfile = qstat[0][ATTR_o].split(':')[1]399        self.server.expect(JOB, 'queue', op=UNSET, id=jid2, offset=10)400        self.env_hook = {}401        self.env_hook_exclude = {}402        self.read_env(job_outfile, "hook")403        # Validate the values printed in job output file404        self.assertTrue('HAPPY' not in self.env_nohook_exclude)405        self.assertTrue('happy' not in self.env_nohook_exclude)406        self.assertEqual(self.env_hook_exclude['HAPPY'], 'nights\n')407        self.assertEqual(self.env_hook_exclude['happy'], 'days\n')408        self.common_validate()409        # Check the values in mom logs as well410        self.common_log_match("mom")411    def test_que(self):412        """413        Test that variable_list do not change with and without414        queuejob hook415        """416        self.exclude_env += ['happy']417        a = {'Resource_List.select': '1:ncpus=1',418             'Resource_List.walltime': 10}419        script = ['#PBS -V']420        script += ['env\n']421        script += ['sleep 5\n']422        # Submit a job without hooks in the system423        jid = self.create_and_submit_job(attribs=a, content=script)424        qstat = self.server.status(JOB, ATTR_o, id=jid)425        job_outfile = qstat[0][ATTR_o].split(':')[1]426        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)427        # Read the env variable from job output file428        self.env_nohook = {}429        self.env_nohook_exclude = {}430        self.read_env(job_outfile, "nohook")431        # Now start introducing hooks432        hook_body = """433import pbs434e=pbs.event()435e.job.Variable_List["happy"] = "days"436pbs.logmsg(pbs.LOG_DEBUG,"Variable List is %s" % (e.job.Variable_List,))437"""438        hook_name = "qjob"439        a2 = {'event': "queuejob", 'enabled': 'True', 'debug': 'True'}440        rv = self.server.create_import_hook(441            hook_name,442            a2,443            hook_body,444            overwrite=True)445        self.assertTrue(rv)446        # Submit a job with hooks in the system447        jid2 = self.create_and_submit_job(attribs=a, content=script)448        qstat = self.server.status(JOB, ATTR_o, id=jid2)449        job_outfile = qstat[0][ATTR_o].split(':')[1]450        self.server.expect(JOB, 'queue', op=UNSET, id=jid2, offset=10)451        self.env_hook = {}452        self.env_hook_exclude = {}453        self.read_env(job_outfile, "hook")454        # Validate the env values from job output file455        # with and without queuejob hook456        self.assertTrue('happy' not in self.env_nohook_exclude)457        self.assertEqual(self.env_hook_exclude['happy'], 'days\n')458        self.common_validate()459        self.common_log_match("server")460    def test_execjob_epi(self):461        """462        Test that Variable_List will contain environment variable463        with commas, newline and all special characters even for464        other mom hooks465        """466        self.exclude_env += ['happy']467        a = {'Resource_List.select': '1:ncpus=1',468             'Resource_List.walltime': 10}469        script = ['#PBS -V']470        script += ['env\n']471        script += ['sleep 5\n']472        # Submit a job without hooks in the system473        jid = self.create_and_submit_job(attribs=a, content=script)474        qstat = self.server.status(JOB, ATTR_o, id=jid)475        job_outfile = qstat[0][ATTR_o].split(':')[1]476        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)477        # Read the output file and parse the values478        self.env_nohook = {}479        self.env_nohook_exclude = {}480        self.read_env(job_outfile, "nohook")481        # Now start the hooks482        hook_name = "test_epi"483        hook_body = """484import pbs485e = pbs.event()486j = e.job487j.Variable_List["happy"] = "days"488pbs.logmsg(pbs.LOG_DEBUG,"Variable_List is %s" % (j.Variable_List,))489"""490        a2 = {'event': "execjob_epilogue", 'enabled': "true", 'debug': "true"}491        self.server.create_import_hook(492            hook_name,493            a2,494            hook_body,495            overwrite=True)496        # Submit a job with hooks in the system497        jid2 = self.create_and_submit_job(attribs=a, content=script)498        qstat = self.server.status(JOB, ATTR_o, id=jid2)499        job_outfile = qstat[0][ATTR_o].split(':')[1]500        self.server.expect(JOB, 'queue', op=UNSET, id=jid2, offset=10)501        # read the output file for env with hooks502        self.env_hook = {}503        self.env_hook_exclude = {}504        self.read_env(job_outfile, "hook")505        # Validate506        self.common_validate()507        # Verify the env variables in logs too508        self.common_log_match("mom")509    def test_execjob_pro(self):510        """511        Test that environment variable not gets truncated512        for execjob_prologue hook513        """514        a = {'Resource_List.select': '1:ncpus=1',515             'Resource_List.walltime': 10}516        script = ['#PBS -V']517        script += ['env\n']518        script += ['sleep 5\n']519        # Submit a job without hooks in the system520        jid = self.create_and_submit_job(attribs=a, content=script)521        qstat = self.server.status(JOB, ATTR_o, id=jid)522        job_outfile = qstat[0][ATTR_o].split(':')[1]523        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)524        # read the output file for env without hook525        self.env_nohook = {}526        self.env_nohook_exclude = {}527        self.read_env(job_outfile, "nohook")528        # Now start the hooks529        hook_name = "test_pro"530        hook_body = """531import pbs532e = pbs.event()533j = e.job534j.Variable_List["happy"] = "days"535pbs.logmsg(pbs.LOG_DEBUG,"Variable_List is %s" % (j.Variable_List,))536"""537        a2 = {'event': "execjob_prologue", 'enabled': "true", 'debug': "true"}538        rv = self.server.create_import_hook(539            hook_name,540            a2,541            hook_body,542            overwrite=True)543        self.assertTrue(rv)544        # Submit a job with hooks in the system545        jid2 = self.create_and_submit_job(attribs=a, content=script)546        qstat = self.server.status(JOB, ATTR_o, id=jid2)547        job_outfile = qstat[0][ATTR_o].split(':')[1]548        self.server.expect(JOB, 'queue', op=UNSET, id=jid2, offset=10)549        # Read the job ouput file550        self.env_hook = {}551        self.env_hook_exclude = {}552        self.read_env(job_outfile, "hook")553        # Validate the env values with and without hook554        self.common_validate()555        # compare the values in mom_logs as well556        self.common_log_match("mom")557    @checkModule("pexpect")558    def test_interactive(self):559        """560        Test that interactive jobs do not have truncated environment561        variable list with execjob_launch hook562        """563        self.exclude_env += ['happy']564        # submit an interactive job without hook565        cmd = 'env > ' + self.job_out1_tempfile566        a = {ATTR_inter: '', self.ATTR_V: None}567        interactive_script = [('hostname', '.*'), (cmd, '.*')]568        jid = self.create_and_submit_job(569            attribs=a,570            content_interactive=interactive_script,571            preserve_env=True)572        # Once all commands sent and matched, job exits573        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)574        # read the environment list from the job without hook575        self.env_nohook = {}576        self.env_nohook_exclude = {}577        self.read_env(self.job_out1_tempfile, "nohook")578        # now do the same with the hook579        hook_name = "launch"580        hook_body = """581import pbs582e = pbs.event()583j = e.job584j.Variable_List["happy"] = "days"585pbs.logmsg(pbs.LOG_DEBUG, "Variable_List is %s" % (j.Variable_List,))586"""587        a2 = {'event': "execjob_launch", 'enabled': 'true', 'debug': 'true'}588        self.server.create_import_hook(hook_name, a2, hook_body)589        # submit an interactive job without hook590        cmd = 'env > ' + self.job_out2_tempfile591        interactive_script = [('hostname', '.*'), (cmd, '.*')]592        jid2 = self.create_and_submit_job(593            attribs=a,594            content_interactive=interactive_script,595            preserve_env=True)596        # Once all commands sent and matched, job exits597        self.server.expect(JOB, 'queue', op=UNSET, id=jid2, offset=10)598        # read the environment list from the job without hook599        self.env_hook = {}600        self.env_hook_exclude = {}601        self.read_env(self.job_out2_tempfile, "hook")602        # validate the environment values603        self.common_validate()604        # verify the env values in logs605        self.common_log_match("mom")606    def test_no_hook(self):607        """608        Test to verify that environment variables are609        not truncated and also not modified by PBS when610        no hook is present611        """612        os.environ['BROL'] = 'hii\\\haha'613        os.environ['BROL1'] = """'hii614haa'"""615        a = {'Resource_List.select': '1:ncpus=1',616             'Resource_List.walltime': 10}617        script = ['#PBS -V']618        script += ['env\n']619        script += ['sleep 5\n']620        # Submit a job without hooks in the system621        jid = self.create_and_submit_job(attribs=a, content=script)622        qstat = self.server.status(JOB, id=jid)623        job_outfile = qstat[0]['Output_Path'].split(':')[1]624        job_var = qstat[0]['Variable_List']625        self.logger.info("job variable list is %s" % job_var)626        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)627        # Read the env variable from job output file628        self.env_nohook = {}629        self.env_nohook_exclude = {}630        self.read_env(job_outfile, "nohook")631        # Verify the output with and without job632        self.assertEqual(os.environ['TEST_COMMA'],633                         self.env_nohook['TEST_COMMA'].rstrip('\n'))634        self.logger.info(635            "TEST_COMMA matched - " + os.environ['TEST_COMMA'] +636            " == " + self.env_nohook['TEST_COMMA'].rstrip('\n'))637        self.assertEqual(os.environ['TEST_RETURN'],638                         self.env_nohook['TEST_RETURN'].rstrip('\n'))639        self.logger.info(640            "TEST_RETURN matched - " + os.environ['TEST_RETURN'] +641            " == " + self.env_nohook['TEST_RETURN'].rstrip('\n'))642        self.assertEqual(os.environ['TEST_SEMICOLON'],643                         self.env_nohook['TEST_SEMICOLON'].rstrip('\n'))644        self.logger.info(645            "TEST_SEMICOLON macthed - " + os.environ['TEST_SEMICOLON'] +646            " == " + self.env_nohook['TEST_SEMICOLON'].rstrip('\n'))647        self.assertEqual(648            os.environ['TEST_ENCLOSED'],649            self.env_nohook['TEST_ENCLOSED'].rstrip('\n'))650        self.logger.info(651            "TEST_ENCLOSED matched - " + os.environ['TEST_ENCLOSED'] +652            " == " + self.env_nohook['TEST_ENCLOSED'].rstrip('\n'))653        self.assertEqual(os.environ['TEST_COLON'],654                         self.env_nohook['TEST_COLON'].rstrip('\n'))655        self.logger.info("TEST_COLON macthed - " + os.environ['TEST_COLON'] +656                         " == " + self.env_nohook['TEST_COLON'].rstrip('\n'))657        self.assertEqual(658            os.environ['TEST_BACKSLASH'],659            self.env_nohook['TEST_BACKSLASH'].rstrip('\n'))660        self.logger.info(661            "TEST_BACKSLASH matched - " + os.environ['TEST_BACKSLASH'] +662            " == " + self.env_nohook['TEST_BACKSLASH'].rstrip('\n'))663        self.assertEqual(os.environ['TEST_DQUOTE'],664                         self.env_nohook['TEST_DQUOTE'].rstrip('\n'))665        self.logger.info("TEST_DQUOTE - " + os.environ['TEST_DQUOTE'] +666                         " == " + self.env_nohook['TEST_DQUOTE'].rstrip('\n'))667        self.assertEqual(os.environ['TEST_DQUOTE2'],668                         self.env_nohook['TEST_DQUOTE2'].rstrip('\n'))669        self.logger.info("TEST_DQUOTE2 - " + os.environ['TEST_DQUOTE2'] +670                         " == " + self.env_nohook['TEST_DQUOTE2'].rstrip('\n'))671        self.assertEqual(os.environ['TEST_DQUOTE3'],672                         self.env_nohook['TEST_DQUOTE3'].rstrip('\n'))673        self.logger.info("TEST_DQUOTE3 - " + os.environ['TEST_DQUOTE3'] +674                         " == " + self.env_nohook['TEST_DQUOTE3'].rstrip('\n'))675        self.assertEqual(os.environ['TEST_DQUOTE4'],676                         self.env_nohook['TEST_DQUOTE4'].rstrip('\n'))677        self.logger.info("TEST_DQUOTE4 - " + os.environ['TEST_DQUOTE4'] +678                         " == " + self.env_nohook['TEST_DQUOTE4'].rstrip('\n'))679        self.assertEqual(os.environ['TEST_DQUOTE5'],680                         self.env_nohook['TEST_DQUOTE5'].rstrip('\n'))681        self.logger.info("TEST_DQUOTE5 - " + os.environ['TEST_DQUOTE5'] +682                         " == " + self.env_nohook['TEST_DQUOTE5'].rstrip('\n'))683        self.assertEqual(os.environ['TEST_DQUOTE6'],684                         self.env_nohook['TEST_DQUOTE6'].rstrip('\n'))685        self.logger.info("TEST_DQUOTE6 - " + os.environ['TEST_DQUOTE6'] +686                         " == " + self.env_nohook['TEST_DQUOTE6'].rstrip('\n'))687        self.assertEqual(os.environ['TEST_SQUOTE'],688                         self.env_nohook['TEST_SQUOTE'].rstrip('\n'))689        self.logger.info("TEST_SQUOTE - " + os.environ['TEST_SQUOTE'] +690                         " == " + self.env_nohook['TEST_SQUOTE'].rstrip('\n'))691        self.assertEqual(os.environ['TEST_SQUOTE2'],692                         self.env_nohook['TEST_SQUOTE2'].rstrip('\n'))693        self.logger.info("TEST_SQUOTE2 - " + os.environ['TEST_SQUOTE2'] +694                         " == " + self.env_nohook['TEST_SQUOTE2'].rstrip('\n'))695        self.assertEqual(os.environ['TEST_SQUOTE3'],696                         self.env_nohook['TEST_SQUOTE3'].rstrip('\n'))697        self.logger.info("TEST_SQUOTE3 - " + os.environ['TEST_SQUOTE3'] +698                         " == " + self.env_nohook['TEST_SQUOTE3'].rstrip('\n'))699        self.assertEqual(os.environ['TEST_SQUOTE4'],700                         self.env_nohook['TEST_SQUOTE4'].rstrip('\n'))701        self.logger.info("TEST_SQUOTE4 - " + os.environ['TEST_SQUOTE4'] +702                         " == " + self.env_nohook['TEST_SQUOTE4'].rstrip('\n'))703        self.assertEqual(os.environ['TEST_SQUOTE5'],704                         self.env_nohook['TEST_SQUOTE5'].rstrip('\n'))705        self.logger.info("TEST_SQUOTE5 - " + os.environ['TEST_SQUOTE5'] +706                         " == " + self.env_nohook['TEST_SQUOTE5'].rstrip('\n'))707        self.assertEqual(os.environ['TEST_SQUOTE6'],708                         self.env_nohook['TEST_SQUOTE6'].rstrip('\n'))709        self.logger.info("TEST_SQUOTE6 - " + os.environ['TEST_SQUOTE6'] +710                         " == " + self.env_nohook['TEST_SQUOTE6'].rstrip('\n'))711        self.assertEqual(os.environ['BROL'],712                         self.env_nohook['BROL'].rstrip('\n'))713        self.logger.info("BROL - " + os.environ['BROL'] + " == " +714                         self.env_nohook['BROL'].rstrip('\n'))715        self.assertEqual(os.environ['BROL1'],716                         self.env_nohook['BROL1'].rstrip('\n'))717        self.logger.info("BROL - " + os.environ['BROL1'] + " == " +718                         self.env_nohook['BROL1'].rstrip('\n'))719        # match the values in qstat -f Variable_List720        # Following is blocked on PTL bug PP-1008721        # self.assertTrue("TEST_COMMA=1\,2\,3\,4" in job_var)722        # self.assertTrue("TEST_SEMICOLON=\;" in job_var)723        # self.assertTrue("TEST_COLON=:" in job_var)724        # self.assertTrue("TEST_DQUOTE=\"" in job_var)725        # self.assertTrue("TEST_SQUOTE=\'" in job_var)726        # self.assertTrue("TEST_BACKSLASH=\\" in job_var)727        # self.assertTrue("BROL=hii\\\\\\haha" in job_var)728        # self.assertTrue("TEST_ENCLOSED=\," in job_var)729        # self.assertTrue("BROL1=hii\nhaa" in job_var)730        # self.assertTrue("TEST_RETURN=3\,\n4\,\n5\," in job_var)731    @checkModule("pexpect")732    def test_interactive_no_hook(self):733        """734        Test to verify that environment variable values735        are not truncated or escaped wrongly whithin a736        job even when there is no hook present737        """738        os.environ['BROL'] = 'hii\\\haha'739        os.environ['BROL1'] = """'hii740haa'"""741        # submit an interactive job without hook742        cmd = 'env > ' + self.job_out3_tempfile743        a = {ATTR_inter: '', self.ATTR_V: None}744        interactive_script = [('hostname', '.*'), (cmd, '.*')]745        jid = self.create_and_submit_job(746            attribs=a,747            content_interactive=interactive_script,748            preserve_env=True)749        # Once all commands sent and matched, job exits750        self.server.expect(JOB, 'queue', op=UNSET, id=jid, offset=10)751        # read the environment list from the job without hook752        self.env_nohook = {}753        self.env_nohook_exclude = {}754        self.read_env(self.job_out3_tempfile, "nohook")755        # Verify the output with and without job756        self.logger.info("job Variable list is ")757        self.assertEqual(os.environ['TEST_COMMA'],758                         self.env_nohook['TEST_COMMA'].rstrip('\n'))759        self.logger.info(760            "TEST_COMMA matched - " + os.environ['TEST_COMMA'] +761            " == " + self.env_nohook['TEST_COMMA'].rstrip('\n'))762        self.assertEqual(os.environ['TEST_RETURN'],763                         self.env_nohook['TEST_RETURN'].rstrip('\n'))764        self.logger.info(765            "TEST_RETURN matched - " + os.environ['TEST_RETURN'] +766            " == " + self.env_nohook['TEST_RETURN'].rstrip('\n'))767        self.assertEqual(os.environ['TEST_SEMICOLON'],768                         self.env_nohook['TEST_SEMICOLON'].rstrip('\n'))769        self.logger.info(770            "TEST_SEMICOLON macthed - " + os.environ['TEST_SEMICOLON'] +771            " == " + self.env_nohook['TEST_SEMICOLON'].rstrip('\n'))772        self.assertEqual(773            os.environ['TEST_ENCLOSED'],774            self.env_nohook['TEST_ENCLOSED'].rstrip('\n'))775        self.logger.info(776            "TEST_ENCLOSED matched - " + os.environ['TEST_ENCLOSED'] +777            " == " + self.env_nohook['TEST_ENCLOSED'].rstrip('\n'))778        self.assertEqual(os.environ['TEST_COLON'],779                         self.env_nohook['TEST_COLON'].rstrip('\n'))780        self.logger.info("TEST_COLON macthed - " + os.environ['TEST_COLON'] +781                         " == " + self.env_nohook['TEST_COLON'].rstrip('\n'))782        self.assertEqual(783            os.environ['TEST_BACKSLASH'],784            self.env_nohook['TEST_BACKSLASH'].rstrip('\n'))785        self.logger.info(786            "TEST_BACKSLASH matched - " + os.environ['TEST_BACKSLASH'] +787            " == " + self.env_nohook['TEST_BACKSLASH'].rstrip('\n'))788        self.assertEqual(os.environ['TEST_DQUOTE'],789                         self.env_nohook['TEST_DQUOTE'].rstrip('\n'))790        self.logger.info("TEST_DQUOTE - " + os.environ['TEST_DQUOTE'] +791                         " == " + self.env_nohook['TEST_DQUOTE'].rstrip('\n'))792        self.logger.info("TEST_DQUOTE2 - " + os.environ['TEST_DQUOTE2'] +793                         " == " + self.env_nohook['TEST_DQUOTE2'].rstrip('\n'))794        self.logger.info("TEST_DQUOTE3 - " + os.environ['TEST_DQUOTE3'] +795                         " == " + self.env_nohook['TEST_DQUOTE3'].rstrip('\n'))796        self.logger.info("TEST_DQUOTE4 - " + os.environ['TEST_DQUOTE4'] +797                         " == " + self.env_nohook['TEST_DQUOTE4'].rstrip('\n'))798        self.logger.info("TEST_DQUOTE5 - " + os.environ['TEST_DQUOTE5'] +799                         " == " + self.env_nohook['TEST_DQUOTE5'].rstrip('\n'))800        self.logger.info("TEST_DQUOTE6 - " + os.environ['TEST_DQUOTE6'] +801                         " == " + self.env_nohook['TEST_DQUOTE6'].rstrip('\n'))802        self.logger.info("TEST_SQUOTE - " + os.environ['TEST_SQUOTE'] +803                         " == " + self.env_nohook['TEST_SQUOTE'].rstrip('\n'))804        self.logger.info("TEST_SQUOTE2 - " + os.environ['TEST_SQUOTE2'] +805                         " == " + self.env_nohook['TEST_SQUOTE2'].rstrip('\n'))806        self.logger.info("TEST_SQUOTE3 - " + os.environ['TEST_SQUOTE3'] +807                         " == " + self.env_nohook['TEST_SQUOTE3'].rstrip('\n'))808        self.logger.info("TEST_SQUOTE4 - " + os.environ['TEST_SQUOTE4'] +809                         " == " + self.env_nohook['TEST_SQUOTE4'].rstrip('\n'))810        self.logger.info("TEST_SQUOTE5 - " + os.environ['TEST_SQUOTE5'] +811                         " == " + self.env_nohook['TEST_SQUOTE5'].rstrip('\n'))812        self.logger.info("TEST_SQUOTE6 - " + os.environ['TEST_SQUOTE6'] +813                         " == " + self.env_nohook['TEST_SQUOTE6'].rstrip('\n'))814        self.assertEqual(os.environ['BROL'],815                         self.env_nohook['BROL'].rstrip('\n'))816        self.logger.info("BROL - " + os.environ['BROL'] + " == " +817                         self.env_nohook['BROL'].rstrip('\n'))818        self.assertEqual(os.environ['BROL1'],819                         self.env_nohook['BROL1'].rstrip('\n'))820        self.logger.info("BROL - " + os.environ['BROL1'] + " == " +821                         self.env_nohook['BROL1'].rstrip('\n'))822    def test_execjob_epi2(self):823        """824        Test that Variable_List will contain environment variable825        with commas, newline and all special characters for a job826        that has been recovered from a prematurely killed mom. This827        is a test from an execjob_epilogue hook's view.828        PRE: Set up currently executing user's environment to have variables829             whose values have the special characters.830             Submit a job using the -V option (pass current environment)831             where there is an execjob_epilogue hook that references832             Variable_List value.833             Now kill -9 pbs_mom and then restart it.834             This causes pbs_mom to read in job data from the *.JB file on835             disk, and pbs_mom immediately kills the job causing836             execjob_epilogue hook to execute.837        POST: The epilogue hook should see the proper value to the838              Variable_List.839        """840        a = {'Resource_List.select': '1:ncpus=1',841             'Resource_List.walltime': 60}842        j = Job(attrs=a)843        script = ['#PBS -V']844        script += ['env\n']845        script += ['sleep 30\n']846        j.create_script(body=script)847        # Now create/start the hook848        hook_name = "test_epi"849        hook_body = """850import pbs851import time852e = pbs.event()853j = e.job854pbs.logmsg(pbs.LOG_DEBUG,"Variable_List is %s" % (j.Variable_List,))855pbs.logmsg(pbs.LOG_DEBUG,856    "PBS_O_LOGNAME is %s" % j.Variable_List["PBS_O_LOGNAME"])857"""858        a = {'event': "execjob_epilogue", 'enabled': "true", 'debug': "true"}859        self.server.create_import_hook(860            hook_name,861            a,862            hook_body,863            overwrite=True)864        # Submit a job with hooks in the system865        jid = self.server.submit(j)866        # Wait for the job to start running.867        self.server.expect(JOB, {ATTR_state: 'R'}, id=jid)868        # kill -9 mom869        self.mom.signal('-KILL')870        # now restart mom871        self.mom.start()872        self.mom.log_match("Restart sent to server")873        # Verify the env variables are seen in logs874        self.common_log_match("mom")875        self.mom.log_match(...

urlutils.py

Source:urlutils.py

1#!/usr/bin/env python2# -*- coding:utf-8 -*-3http = "http://"4https = "https://"5backslash = "/"6spot = "."7twoSpotBackslash = "../"8spotBackslash = "./"9def getMainUrl(url):10    """11    ä»urlä¸æ½ååºç«ç¹ä¸»url12    Args:13        url:ç½ç«url,å¿é¡»æ¯ç»å¯¹url14    Returns: ç«ç¹ä¸»url15    """16    mainUrl = str(url)17    # å¦æä»¥åææ å¼å¤´é£ä¹å®æ¯ä¸ä¸ªç¸å¯¹è·¯å¾ï¼æ æ³æ½åä¸»url,ç´æ¥è¿åé»è®¤å¼18    if mainUrl.find(backslash) == 0:19        return mainUrl20    # å¦æä»¥ç¹å¼å¤´é£ä¹å®æ¯ä¸ä¸ªç¸å¯¹è·¯å¾ï¼æ æ³æ½åä¸»url,ç´æ¥è¿åé»è®¤å¼21    if url.find(spot) == 0:22        return mainUrl23    # å¦æä»¥http://å¼å¤´ï¼é£ä¹å¯¹å®è¿è¡æ½å24    if mainUrl.find(http) == 0:25        host = getHost(mainUrl)26        return http + host27    # å¦æä»¥https://å¼å¤´ï¼é£ä¹å¯¹å®è¿è¡æ½å28    if mainUrl.find(https) == 0:29        host = getHost(mainUrl)30        return https + host31    return mainUrl32def getHost(url):33    mainUrl = str(url)34    # å¦æä»¥åææ å¼å¤´é£ä¹å®æ¯ä¸ä¸ªç¸å¯¹è·¯å¾ï¼æ æ³æ½åä¸»url,ç´æ¥è¿åé»è®¤å¼35    if mainUrl.find(backslash) == 0:36        return mainUrl37    # å¦æä»¥ç¹å¼å¤´é£ä¹å®æ¯ä¸ä¸ªç¸å¯¹è·¯å¾ï¼æ æ³æ½åä¸»url,ç´æ¥è¿åé»è®¤å¼38    if url.find(spot) == 0:39        return mainUrl40    startIndex = 041    endIndex = -142    # å¦æä»¥http://å¼å¤´ï¼é£ä¹å¯¹å®è¿è¡æ½å43    if mainUrl.find(http) == 0:44        mainUrl = mainUrl[len(http):len(mainUrl)]45    # å¦æä»¥https://å¼å¤´ï¼é£ä¹å¯¹å®è¿è¡æ½å46    elif mainUrl.find(https) == 0:47        mainUrl = mainUrl[len(https):len(mainUrl)]48    endIndex = mainUrl.find(backslash)49    if endIndex >= 0:50        mainUrl = mainUrl[startIndex:endIndex]51    return mainUrl52def assembleUrl(srcUrl, newUrl, srcMainUrl=None):53    """54    æ ¹æ®æä¾çç«ç¹ä¸»urlåç¥åsrcUrl,ænewUrlç»è£æä¸ä¸ªç»å¯¹url55    Args:56        srcUrl:newUrlçç¥åurl57        newUrl:éè¦ç»è£çurl58        srcMainUrl:ç«ç¹ä¸»url59    Returns:60    """61    # å¦æä»¥http://å¼å¤´ï¼é£ä¹ç´æ¥è¿åä¸éè¦ç»è£62    if newUrl.find(http) == 0:63        return newUrl64    # å¦æä»¥https://å¼å¤´ï¼é£ä¹ç´æ¥è¿åä¸éè¦ç»è£65    elif newUrl.find(https) == 0:66        return newUrl67    else:68        mainUrl = ""69        if srcMainUrl != None:70            mainUrl = srcMainUrl71        else:72            mainUrl = getMainUrl(srcUrl)73        resultUrl = newUrl74        index = 075        head = srcUrl76        # å¦æä»¥ / å¼å¤´ é£ä¹å¨newUrlåé¢å ä¸mainUrl77        if newUrl.find(backslash) == 0:78            resultUrl = mainUrl + newUrl79        # å¦æä»¥../ æè../../ çå¼å¤´çå¤ç80        elif newUrl.find(twoSpotBackslash) == 0:81            count = 082            while 1:83                index = newUrl.find(twoSpotBackslash)84                if index != -1:85                    index = index + len(twoSpotBackslash)86                    newUrl = newUrl[index:len(newUrl)]87                    count = count + 188                else:89                    break90            # å»æurlæåæ¯å¦ / index.html / index..91            end = head.rindex("/")92            head = head[0:end]93            while count > 0:94                end = head.rindex("/")95                head = head[0:end]96                count = count - 197            resultUrl = head + "/" + newUrl98        elif newUrl.find(spotBackslash) == 0:99            newUrl = newUrl.replace(spotBackslash, "/")100            resultUrl = head + newUrl101        else:102            end = head.rindex("/")103            head = head[0:end]104            resultUrl = head + "/" + newUrl105    return resultUrl106if __name__ == "__main__":107    url = "http://www.cnblogs.com/mrchige/p/6371783.html"108    mainUrl = getMainUrl(url)109    print mainUrl110    srcUrl = "http://www.cnblogs.com/mrchige/p/6371783.html"111    findUrl = "/test_backslash.html"112    result = "http://www.cnblogs.com/test_backslash.html"113    newUrl = assembleUrl(srcUrl, findUrl)114    print newUrl115    print newUrl == result116    srcUrl = "http://www.cnblogs.com/mrchige/p/6371783.html"117    findUrl = "../test_backslash.html"118    result = "http://www.cnblogs.com/mrchige/test_backslash.html"119    newUrl = assembleUrl(srcUrl, findUrl)120    print newUrl121    print newUrl == result122    srcUrl = "http://www.cnblogs.com/mrchige/p/6371783.html"123    findUrl = "../../test_backslash.html"124    result = "http://www.cnblogs.com/test_backslash.html"125    newUrl = assembleUrl(srcUrl, findUrl)126    print newUrl127    print newUrl == result128    srcUrl = "http://www.cnblogs.com/mrchige/p/6371783.html"129    findUrl = "./test_backslash.html"130    result = "http://www.cnblogs.com/mrchige/p/6371783.html/test_backslash.html"131    newUrl = assembleUrl(srcUrl, findUrl)132    print newUrl133    print newUrl == result134    srcUrl = "http://www.cnblogs.com/mrchige/p/6371783.html"135    findUrl = "test_backslash.html"136    result = "http://www.cnblogs.com/mrchige/p/test_backslash.html"137    newUrl = assembleUrl(srcUrl, findUrl)138    print newUrl...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.