mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
255c1c7279
By adding a check for an optional key/value pair to the test case data, individual test cases may be skipped to prevent tdc from aborting a test run due to setup or teardown failure. If a test case is skipped, it will still appear in the results output to allow for a consistent number of executed tests in each run. However, the test will be marked as skipped. This support for skipping extends to any plugins that may generate additional results for each executed test. Signed-off-by: Lucas Bates <lucasb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
700 lines
22 KiB
Python
Executable File
700 lines
22 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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"""
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tdc.py - Linux tc (Traffic Control) unit test driver
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Copyright (C) 2017 Lucas Bates <lucasb@mojatatu.com>
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"""
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import re
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import os
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import sys
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import argparse
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import importlib
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import json
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import subprocess
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import time
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import traceback
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from collections import OrderedDict
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from string import Template
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from tdc_config import *
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from tdc_helper import *
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import TdcPlugin
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from TdcResults import *
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class PluginMgrTestFail(Exception):
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def __init__(self, stage, output, message):
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self.stage = stage
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self.output = output
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self.message = message
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class PluginMgr:
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def __init__(self, argparser):
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super().__init__()
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self.plugins = {}
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self.plugin_instances = []
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self.args = []
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self.argparser = argparser
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# TODO, put plugins in order
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plugindir = os.getenv('TDC_PLUGIN_DIR', './plugins')
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for dirpath, dirnames, filenames in os.walk(plugindir):
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for fn in filenames:
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if (fn.endswith('.py') and
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not fn == '__init__.py' and
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not fn.startswith('#') and
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not fn.startswith('.#')):
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mn = fn[0:-3]
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foo = importlib.import_module('plugins.' + mn)
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self.plugins[mn] = foo
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self.plugin_instances.append(foo.SubPlugin())
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def call_pre_suite(self, testcount, testidlist):
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for pgn_inst in self.plugin_instances:
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pgn_inst.pre_suite(testcount, testidlist)
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def call_post_suite(self, index):
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for pgn_inst in reversed(self.plugin_instances):
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pgn_inst.post_suite(index)
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def call_pre_case(self, testid, test_name, *, test_skip=False):
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for pgn_inst in self.plugin_instances:
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try:
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pgn_inst.pre_case(testid, test_name, test_skip)
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except Exception as ee:
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print('exception {} in call to pre_case for {} plugin'.
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format(ee, pgn_inst.__class__))
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print('test_ordinal is {}'.format(test_ordinal))
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print('testid is {}'.format(testid))
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raise
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def call_post_case(self):
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for pgn_inst in reversed(self.plugin_instances):
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pgn_inst.post_case()
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def call_pre_execute(self):
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for pgn_inst in self.plugin_instances:
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pgn_inst.pre_execute()
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def call_post_execute(self):
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for pgn_inst in reversed(self.plugin_instances):
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pgn_inst.post_execute()
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def call_add_args(self, parser):
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for pgn_inst in self.plugin_instances:
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parser = pgn_inst.add_args(parser)
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return parser
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def call_check_args(self, args, remaining):
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for pgn_inst in self.plugin_instances:
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pgn_inst.check_args(args, remaining)
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def call_adjust_command(self, stage, command):
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for pgn_inst in self.plugin_instances:
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command = pgn_inst.adjust_command(stage, command)
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return command
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@staticmethod
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def _make_argparser(args):
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self.argparser = argparse.ArgumentParser(
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description='Linux TC unit tests')
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def replace_keywords(cmd):
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"""
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For a given executable command, substitute any known
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variables contained within NAMES with the correct values
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"""
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tcmd = Template(cmd)
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subcmd = tcmd.safe_substitute(NAMES)
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return subcmd
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def exec_cmd(args, pm, stage, command):
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"""
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Perform any required modifications on an executable command, then run
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it in a subprocess and return the results.
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"""
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if len(command.strip()) == 0:
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return None, None
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if '$' in command:
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command = replace_keywords(command)
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command = pm.call_adjust_command(stage, command)
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if args.verbose > 0:
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print('command "{}"'.format(command))
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proc = subprocess.Popen(command,
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shell=True,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=ENVIR)
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try:
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(rawout, serr) = proc.communicate(timeout=NAMES['TIMEOUT'])
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if proc.returncode != 0 and len(serr) > 0:
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foutput = serr.decode("utf-8", errors="ignore")
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else:
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foutput = rawout.decode("utf-8", errors="ignore")
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except subprocess.TimeoutExpired:
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foutput = "Command \"{}\" timed out\n".format(command)
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proc.returncode = 255
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proc.stdout.close()
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proc.stderr.close()
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return proc, foutput
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def prepare_env(args, pm, stage, prefix, cmdlist, output = None):
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"""
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Execute the setup/teardown commands for a test case.
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Optionally terminate test execution if the command fails.
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"""
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if args.verbose > 0:
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print('{}'.format(prefix))
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for cmdinfo in cmdlist:
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if isinstance(cmdinfo, list):
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exit_codes = cmdinfo[1:]
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cmd = cmdinfo[0]
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else:
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exit_codes = [0]
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cmd = cmdinfo
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if not cmd:
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continue
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(proc, foutput) = exec_cmd(args, pm, stage, cmd)
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if proc and (proc.returncode not in exit_codes):
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print('', file=sys.stderr)
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print("{} *** Could not execute: \"{}\"".format(prefix, cmd),
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file=sys.stderr)
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print("\n{} *** Error message: \"{}\"".format(prefix, foutput),
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file=sys.stderr)
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print("returncode {}; expected {}".format(proc.returncode,
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exit_codes))
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print("\n{} *** Aborting test run.".format(prefix), file=sys.stderr)
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print("\n\n{} *** stdout ***".format(proc.stdout), file=sys.stderr)
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print("\n\n{} *** stderr ***".format(proc.stderr), file=sys.stderr)
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raise PluginMgrTestFail(
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stage, output,
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'"{}" did not complete successfully'.format(prefix))
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def run_one_test(pm, args, index, tidx):
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global NAMES
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result = True
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tresult = ""
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tap = ""
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res = TestResult(tidx['id'], tidx['name'])
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if args.verbose > 0:
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print("\t====================\n=====> ", end="")
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print("Test " + tidx["id"] + ": " + tidx["name"])
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if 'skip' in tidx:
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if tidx['skip'] == 'yes':
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res = TestResult(tidx['id'], tidx['name'])
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res.set_result(ResultState.skip)
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res.set_errormsg('Test case designated as skipped.')
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pm.call_pre_case(tidx['id'], tidx['name'], test_skip=True)
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pm.call_post_execute()
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return res
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# populate NAMES with TESTID for this test
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NAMES['TESTID'] = tidx['id']
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pm.call_pre_case(tidx['id'], tidx['name'])
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prepare_env(args, pm, 'setup', "-----> prepare stage", tidx["setup"])
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if (args.verbose > 0):
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print('-----> execute stage')
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pm.call_pre_execute()
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(p, procout) = exec_cmd(args, pm, 'execute', tidx["cmdUnderTest"])
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if p:
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exit_code = p.returncode
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else:
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exit_code = None
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pm.call_post_execute()
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if (exit_code is None or exit_code != int(tidx["expExitCode"])):
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print("exit: {!r}".format(exit_code))
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print("exit: {}".format(int(tidx["expExitCode"])))
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#print("exit: {!r} {}".format(exit_code, int(tidx["expExitCode"])))
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res.set_result(ResultState.fail)
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res.set_failmsg('Command exited with {}, expected {}\n{}'.format(exit_code, tidx["expExitCode"], procout))
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print(procout)
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else:
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if args.verbose > 0:
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print('-----> verify stage')
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match_pattern = re.compile(
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str(tidx["matchPattern"]), re.DOTALL | re.MULTILINE)
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(p, procout) = exec_cmd(args, pm, 'verify', tidx["verifyCmd"])
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if procout:
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match_index = re.findall(match_pattern, procout)
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if len(match_index) != int(tidx["matchCount"]):
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res.set_result(ResultState.fail)
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res.set_failmsg('Could not match regex pattern. Verify command output:\n{}'.format(procout))
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else:
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res.set_result(ResultState.success)
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elif int(tidx["matchCount"]) != 0:
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res.set_result(ResultState.fail)
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res.set_failmsg('No output generated by verify command.')
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else:
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res.set_result(ResultState.success)
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prepare_env(args, pm, 'teardown', '-----> teardown stage', tidx['teardown'], procout)
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pm.call_post_case()
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index += 1
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# remove TESTID from NAMES
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del(NAMES['TESTID'])
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return res
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def test_runner(pm, args, filtered_tests):
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"""
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Driver function for the unit tests.
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Prints information about the tests being run, executes the setup and
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teardown commands and the command under test itself. Also determines
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success/failure based on the information in the test case and generates
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TAP output accordingly.
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"""
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testlist = filtered_tests
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tcount = len(testlist)
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index = 1
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tap = ''
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badtest = None
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stage = None
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emergency_exit = False
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emergency_exit_message = ''
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tsr = TestSuiteReport()
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try:
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pm.call_pre_suite(tcount, [tidx['id'] for tidx in testlist])
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except Exception as ee:
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ex_type, ex, ex_tb = sys.exc_info()
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print('Exception {} {} (caught in pre_suite).'.
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format(ex_type, ex))
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traceback.print_tb(ex_tb)
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emergency_exit_message = 'EMERGENCY EXIT, call_pre_suite failed with exception {} {}\n'.format(ex_type, ex)
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emergency_exit = True
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stage = 'pre-SUITE'
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if emergency_exit:
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pm.call_post_suite(index)
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return emergency_exit_message
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if args.verbose > 1:
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print('give test rig 2 seconds to stabilize')
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time.sleep(2)
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for tidx in testlist:
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if "flower" in tidx["category"] and args.device == None:
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if args.verbose > 1:
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print('Not executing test {} {} because DEV2 not defined'.
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format(tidx['id'], tidx['name']))
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res = TestResult(tidx['id'], tidx['name'])
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res.set_result(ResultState.skip)
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res.set_errormsg('Not executed because DEV2 is not defined')
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tsr.add_resultdata(res)
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continue
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try:
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badtest = tidx # in case it goes bad
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res = run_one_test(pm, args, index, tidx)
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tsr.add_resultdata(res)
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except PluginMgrTestFail as pmtf:
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ex_type, ex, ex_tb = sys.exc_info()
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stage = pmtf.stage
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message = pmtf.message
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output = pmtf.output
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res = TestResult(tidx['id'], tidx['name'])
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res.set_result(ResultState.skip)
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res.set_errormsg(pmtf.message)
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res.set_failmsg(pmtf.output)
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tsr.add_resultdata(res)
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index += 1
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print(message)
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print('Exception {} {} (caught in test_runner, running test {} {} {} stage {})'.
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format(ex_type, ex, index, tidx['id'], tidx['name'], stage))
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print('---------------')
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print('traceback')
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traceback.print_tb(ex_tb)
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print('---------------')
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if stage == 'teardown':
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print('accumulated output for this test:')
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if pmtf.output:
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print(pmtf.output)
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print('---------------')
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break
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index += 1
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# if we failed in setup or teardown,
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# fill in the remaining tests with ok-skipped
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count = index
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if tcount + 1 != count:
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for tidx in testlist[count - 1:]:
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res = TestResult(tidx['id'], tidx['name'])
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res.set_result(ResultState.skip)
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msg = 'skipped - previous {} failed {} {}'.format(stage,
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index, badtest.get('id', '--Unknown--'))
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res.set_errormsg(msg)
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tsr.add_resultdata(res)
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count += 1
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if args.pause:
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print('Want to pause\nPress enter to continue ...')
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if input(sys.stdin):
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print('got something on stdin')
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pm.call_post_suite(index)
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return tsr
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def has_blank_ids(idlist):
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"""
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Search the list for empty ID fields and return true/false accordingly.
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"""
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return not(all(k for k in idlist))
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def load_from_file(filename):
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"""
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Open the JSON file containing the test cases and return them
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as list of ordered dictionary objects.
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"""
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try:
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with open(filename) as test_data:
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testlist = json.load(test_data, object_pairs_hook=OrderedDict)
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except json.JSONDecodeError as jde:
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print('IGNORING test case file {}\n\tBECAUSE: {}'.format(filename, jde))
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testlist = list()
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else:
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idlist = get_id_list(testlist)
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if (has_blank_ids(idlist)):
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for k in testlist:
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k['filename'] = filename
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return testlist
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def args_parse():
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"""
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Create the argument parser.
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"""
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parser = argparse.ArgumentParser(description='Linux TC unit tests')
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return parser
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def set_args(parser):
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"""
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Set the command line arguments for tdc.
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"""
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parser.add_argument(
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'--outfile', type=str,
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help='Path to the file in which results should be saved. ' +
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'Default target is the current directory.')
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parser.add_argument(
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'-p', '--path', type=str,
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help='The full path to the tc executable to use')
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sg = parser.add_argument_group(
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'selection', 'select which test cases: ' +
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'files plus directories; filtered by categories plus testids')
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ag = parser.add_argument_group(
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'action', 'select action to perform on selected test cases')
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sg.add_argument(
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'-D', '--directory', nargs='+', metavar='DIR',
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help='Collect tests from the specified directory(ies) ' +
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'(default [tc-tests])')
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sg.add_argument(
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'-f', '--file', nargs='+', metavar='FILE',
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help='Run tests from the specified file(s)')
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sg.add_argument(
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'-c', '--category', nargs='*', metavar='CATG', default=['+c'],
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help='Run tests only from the specified category/ies, ' +
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'or if no category/ies is/are specified, list known categories.')
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sg.add_argument(
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'-e', '--execute', nargs='+', metavar='ID',
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help='Execute the specified test cases with specified IDs')
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ag.add_argument(
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'-l', '--list', action='store_true',
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help='List all test cases, or those only within the specified category')
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ag.add_argument(
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'-s', '--show', action='store_true', dest='showID',
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help='Display the selected test cases')
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ag.add_argument(
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'-i', '--id', action='store_true', dest='gen_id',
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help='Generate ID numbers for new test cases')
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parser.add_argument(
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'-v', '--verbose', action='count', default=0,
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help='Show the commands that are being run')
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parser.add_argument(
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'--format', default='tap', const='tap', nargs='?',
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choices=['none', 'xunit', 'tap'],
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help='Specify the format for test results. (Default: TAP)')
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parser.add_argument('-d', '--device',
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help='Execute the test case in flower category')
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parser.add_argument(
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'-P', '--pause', action='store_true',
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help='Pause execution just before post-suite stage')
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return parser
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def check_default_settings(args, remaining, pm):
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"""
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Process any arguments overriding the default settings,
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and ensure the settings are correct.
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"""
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# Allow for overriding specific settings
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global NAMES
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if args.path != None:
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NAMES['TC'] = args.path
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if args.device != None:
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NAMES['DEV2'] = args.device
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if 'TIMEOUT' not in NAMES:
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NAMES['TIMEOUT'] = None
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if not os.path.isfile(NAMES['TC']):
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print("The specified tc path " + NAMES['TC'] + " does not exist.")
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exit(1)
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pm.call_check_args(args, remaining)
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def get_id_list(alltests):
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"""
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Generate a list of all IDs in the test cases.
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"""
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return [x["id"] for x in alltests]
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def check_case_id(alltests):
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"""
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Check for duplicate test case IDs.
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"""
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idl = get_id_list(alltests)
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return [x for x in idl if idl.count(x) > 1]
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def does_id_exist(alltests, newid):
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"""
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Check if a given ID already exists in the list of test cases.
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"""
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idl = get_id_list(alltests)
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return (any(newid == x for x in idl))
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def generate_case_ids(alltests):
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"""
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If a test case has a blank ID field, generate a random hex ID for it
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and then write the test cases back to disk.
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"""
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import random
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for c in alltests:
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if (c["id"] == ""):
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while True:
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newid = str('{:04x}'.format(random.randrange(16**4)))
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if (does_id_exist(alltests, newid)):
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continue
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else:
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|
c['id'] = newid
|
|
break
|
|
|
|
ufilename = []
|
|
for c in alltests:
|
|
if ('filename' in c):
|
|
ufilename.append(c['filename'])
|
|
ufilename = get_unique_item(ufilename)
|
|
for f in ufilename:
|
|
testlist = []
|
|
for t in alltests:
|
|
if 'filename' in t:
|
|
if t['filename'] == f:
|
|
del t['filename']
|
|
testlist.append(t)
|
|
outfile = open(f, "w")
|
|
json.dump(testlist, outfile, indent=4)
|
|
outfile.write("\n")
|
|
outfile.close()
|
|
|
|
def filter_tests_by_id(args, testlist):
|
|
'''
|
|
Remove tests from testlist that are not in the named id list.
|
|
If id list is empty, return empty list.
|
|
'''
|
|
newlist = list()
|
|
if testlist and args.execute:
|
|
target_ids = args.execute
|
|
|
|
if isinstance(target_ids, list) and (len(target_ids) > 0):
|
|
newlist = list(filter(lambda x: x['id'] in target_ids, testlist))
|
|
return newlist
|
|
|
|
def filter_tests_by_category(args, testlist):
|
|
'''
|
|
Remove tests from testlist that are not in a named category.
|
|
'''
|
|
answer = list()
|
|
if args.category and testlist:
|
|
test_ids = list()
|
|
for catg in set(args.category):
|
|
if catg == '+c':
|
|
continue
|
|
print('considering category {}'.format(catg))
|
|
for tc in testlist:
|
|
if catg in tc['category'] and tc['id'] not in test_ids:
|
|
answer.append(tc)
|
|
test_ids.append(tc['id'])
|
|
|
|
return answer
|
|
|
|
def get_test_cases(args):
|
|
"""
|
|
If a test case file is specified, retrieve tests from that file.
|
|
Otherwise, glob for all json files in subdirectories and load from
|
|
each one.
|
|
Also, if requested, filter by category, and add tests matching
|
|
certain ids.
|
|
"""
|
|
import fnmatch
|
|
|
|
flist = []
|
|
testdirs = ['tc-tests']
|
|
|
|
if args.file:
|
|
# at least one file was specified - remove the default directory
|
|
testdirs = []
|
|
|
|
for ff in args.file:
|
|
if not os.path.isfile(ff):
|
|
print("IGNORING file " + ff + "\n\tBECAUSE does not exist.")
|
|
else:
|
|
flist.append(os.path.abspath(ff))
|
|
|
|
if args.directory:
|
|
testdirs = args.directory
|
|
|
|
for testdir in testdirs:
|
|
for root, dirnames, filenames in os.walk(testdir):
|
|
for filename in fnmatch.filter(filenames, '*.json'):
|
|
candidate = os.path.abspath(os.path.join(root, filename))
|
|
if candidate not in testdirs:
|
|
flist.append(candidate)
|
|
|
|
alltestcases = list()
|
|
for casefile in flist:
|
|
alltestcases = alltestcases + (load_from_file(casefile))
|
|
|
|
allcatlist = get_test_categories(alltestcases)
|
|
allidlist = get_id_list(alltestcases)
|
|
|
|
testcases_by_cats = get_categorized_testlist(alltestcases, allcatlist)
|
|
idtestcases = filter_tests_by_id(args, alltestcases)
|
|
cattestcases = filter_tests_by_category(args, alltestcases)
|
|
|
|
cat_ids = [x['id'] for x in cattestcases]
|
|
if args.execute:
|
|
if args.category:
|
|
alltestcases = cattestcases + [x for x in idtestcases if x['id'] not in cat_ids]
|
|
else:
|
|
alltestcases = idtestcases
|
|
else:
|
|
if cat_ids:
|
|
alltestcases = cattestcases
|
|
else:
|
|
# just accept the existing value of alltestcases,
|
|
# which has been filtered by file/directory
|
|
pass
|
|
|
|
return allcatlist, allidlist, testcases_by_cats, alltestcases
|
|
|
|
|
|
def set_operation_mode(pm, args):
|
|
"""
|
|
Load the test case data and process remaining arguments to determine
|
|
what the script should do for this run, and call the appropriate
|
|
function.
|
|
"""
|
|
ucat, idlist, testcases, alltests = get_test_cases(args)
|
|
|
|
if args.gen_id:
|
|
if (has_blank_ids(idlist)):
|
|
alltests = generate_case_ids(alltests)
|
|
else:
|
|
print("No empty ID fields found in test files.")
|
|
exit(0)
|
|
|
|
duplicate_ids = check_case_id(alltests)
|
|
if (len(duplicate_ids) > 0):
|
|
print("The following test case IDs are not unique:")
|
|
print(str(set(duplicate_ids)))
|
|
print("Please correct them before continuing.")
|
|
exit(1)
|
|
|
|
if args.showID:
|
|
for atest in alltests:
|
|
print_test_case(atest)
|
|
exit(0)
|
|
|
|
if isinstance(args.category, list) and (len(args.category) == 0):
|
|
print("Available categories:")
|
|
print_sll(ucat)
|
|
exit(0)
|
|
|
|
if args.list:
|
|
if args.list:
|
|
list_test_cases(alltests)
|
|
exit(0)
|
|
|
|
if len(alltests):
|
|
catresults = test_runner(pm, args, alltests)
|
|
if args.format == 'none':
|
|
print('Test results output suppression requested\n')
|
|
else:
|
|
print('\nAll test results: \n')
|
|
if args.format == 'xunit':
|
|
suffix = 'xml'
|
|
res = catresults.format_xunit()
|
|
elif args.format == 'tap':
|
|
suffix = 'tap'
|
|
res = catresults.format_tap()
|
|
print(res)
|
|
print('\n\n')
|
|
if not args.outfile:
|
|
fname = 'test-results.{}'.format(suffix)
|
|
else:
|
|
fname = args.outfile
|
|
with open(fname, 'w') as fh:
|
|
fh.write(res)
|
|
fh.close()
|
|
if os.getenv('SUDO_UID') is not None:
|
|
os.chown(fname, uid=int(os.getenv('SUDO_UID')),
|
|
gid=int(os.getenv('SUDO_GID')))
|
|
else:
|
|
print('No tests found\n')
|
|
|
|
def main():
|
|
"""
|
|
Start of execution; set up argument parser and get the arguments,
|
|
and start operations.
|
|
"""
|
|
parser = args_parse()
|
|
parser = set_args(parser)
|
|
pm = PluginMgr(parser)
|
|
parser = pm.call_add_args(parser)
|
|
(args, remaining) = parser.parse_known_args()
|
|
args.NAMES = NAMES
|
|
check_default_settings(args, remaining, pm)
|
|
if args.verbose > 2:
|
|
print('args is {}'.format(args))
|
|
|
|
set_operation_mode(pm, args)
|
|
|
|
exit(0)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|