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- #!/usr/bin/python
- # ex:ts=4:sw=4:sts=4:et
- # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
- #
- # Copyright (C) 2015 Alexandru Damian for Intel Corp.
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License version 2 as
- # published by the Free Software Foundation.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License along
- # with this program; if not, write to the Free Software Foundation, Inc.,
- # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- # This is the main test execution controller. It is designed to be run
- # manually from the command line, or to be called from a different program
- # that schedules test execution.
- #
- # Execute runner.py -h for help.
- from __future__ import print_function
- import sys, os
- import unittest, importlib
- import logging, pprint, json
- from shellutils import ShellCmdException, mkdirhier, run_shell_cmd
- import config
- # we also log to a file, in addition to console, because our output is important
- __log_file_name__ = os.path.join(os.path.dirname(__file__), "log/tts_%d.log" % config.OWN_PID)
- mkdirhier(os.path.dirname(__log_file_name__))
- __log_file__ = open(__log_file_name__, "w")
- __file_handler__ = logging.StreamHandler(__log_file__)
- __file_handler__.setFormatter(logging.Formatter("%(asctime)s %(levelname)s: %(message)s"))
- config.logger.addHandler(__file_handler__)
- # set up log directory
- try:
- if not os.path.exists(config.LOGDIR):
- os.mkdir(config.LOGDIR)
- else:
- if not os.path.isdir(config.LOGDIR):
- raise Exception("Expected log dir '%s' is not actually a directory." % config.LOGDIR)
- except OSError as exc:
- raise exc
- # creates the under-test-branch as a separate directory
- def set_up_test_branch(settings, branch_name):
- testdir = "%s/%s.%d" % (settings['workdir'], config.TEST_DIR_NAME, config.OWN_PID)
- # creates the host dir
- if os.path.exists(testdir):
- raise Exception("Test dir '%s'is already there, aborting" % testdir)
- os.mkdir(testdir)
- # copies over the .git from the localclone
- run_shell_cmd("cp -a '%s'/.git '%s'" % (settings['localclone'], testdir))
- # add the remote if it doesn't exist
- crt_remotes = run_shell_cmd("git remote -v", cwd=testdir)
- remotes = [word for line in crt_remotes.split("\n") for word in line.split()]
- if not config.CONTRIB_REPO in remotes:
- remote_name = "tts_contrib"
- run_shell_cmd("git remote add %s %s" % (remote_name, config.CONTRIB_REPO), cwd=testdir)
- else:
- remote_name = remotes[remotes.index(config.CONTRIB_REPO) - 1]
- # do the fetch
- run_shell_cmd("git fetch %s -p" % remote_name, cwd=testdir)
- # do the checkout
- run_shell_cmd("git checkout origin/master && git branch -D %s; git checkout %s/%s -b %s && git reset --hard" % (branch_name, remote_name, branch_name, branch_name), cwd=testdir)
- return testdir
- def __search_for_tests():
- # we find all classes that can run, and run them
- tests = []
- for _, _, files_list in os.walk(os.path.dirname(os.path.abspath(__file__))):
- for module_file in [f[:-3] for f in files_list if f.endswith(".py") and not f.startswith("__init__")]:
- config.logger.debug("Inspecting module %s", module_file)
- current_module = importlib.import_module(module_file)
- crtclass_names = vars(current_module)
- for name in crtclass_names:
- tested_value = crtclass_names[name]
- if isinstance(tested_value, type(unittest.TestCase)) and issubclass(tested_value, unittest.TestCase):
- tests.append((module_file, name))
- break
- return tests
- # boilerplate to self discover tests and run them
- def execute_tests(dir_under_test, testname):
- if testname is not None and "." in testname:
- tests = []
- tests.append(tuple(testname.split(".", 2)))
- else:
- tests = __search_for_tests()
- # let's move to the directory under test
- crt_dir = os.getcwd()
- os.chdir(dir_under_test)
- # execute each module
- # pylint: disable=broad-except
- # we disable the broad-except because we want to actually catch all possible exceptions
- try:
- config.logger.debug("Discovered test clases: %s", pprint.pformat(tests))
- suite = unittest.TestSuite()
- loader = unittest.TestLoader()
- result = unittest.TestResult()
- for module_file, name in tests:
- suite.addTest(loader.loadTestsFromName("%s.%s" % (module_file, name)))
- config.logger.info("Running %d test(s)", suite.countTestCases())
- suite.run(result)
- for error in result.errors:
- config.logger.error("Exception on test: %s\n%s", error[0],
- "\n".join(["-- %s" % x for x in error[1].split("\n")]))
- for failure in result.failures:
- config.logger.error("Failed test: %s:\n%s\n", failure[0],
- "\n".join(["-- %s" % x for x in failure[1].split("\n")]))
- config.logger.info("Test results: %d ran, %d errors, %d failures", result.testsRun, len(result.errors), len(result.failures))
- except Exception as exc:
- import traceback
- config.logger.error("Exception while running test. Tracedump: \n%s", traceback.format_exc(exc))
- finally:
- os.chdir(crt_dir)
- return len(result.failures)
- # verify that we had a branch-under-test name as parameter
- def validate_args():
- from optparse import OptionParser
- parser = OptionParser(usage="usage: %prog [options] branch_under_test")
- parser.add_option("-t", "--test-dir", dest="testdir", default=None, help="Use specified directory to run tests, inhibits the checkout.")
- parser.add_option("-s", "--single", dest="singletest", default=None, help="Run only the specified test")
- (options, args) = parser.parse_args()
- if len(args) < 1:
- raise Exception("Please specify the branch to run on. Use option '-h' when in doubt.")
- return (options, args)
- # load the configuration options
- def read_settings():
- if not os.path.exists(config.SETTINGS_FILE) or not os.path.isfile(config.SETTINGS_FILE):
- raise Exception("Config file '%s' cannot be openend" % config.SETTINGS_FILE)
- return json.loads(open(config.SETTINGS_FILE, "r").read())
- # cleanup !
- def clean_up(testdir):
- run_shell_cmd("rm -rf -- '%s'" % testdir)
- def main():
- (options, args) = validate_args()
- settings = read_settings()
- need_cleanup = False
- testdir = None
- no_failures = 1
- try:
- if options.testdir is not None and os.path.exists(options.testdir):
- testdir = os.path.abspath(options.testdir)
- config.logger.info("No checkout, using %s", testdir)
- else:
- need_cleanup = True
- testdir = set_up_test_branch(settings, args[0]) # we expect a branch name as first argument
- config.TESTDIR = testdir # we let tests know where to run
- no_failures = execute_tests(testdir, options.singletest)
- except ShellCmdException as exc:
- import traceback
- config.logger.error("Error while setting up testing. Traceback: \n%s", traceback.format_exc(exc))
- finally:
- if need_cleanup and testdir is not None:
- clean_up(testdir)
- sys.exit(no_failures)
- if __name__ == "__main__":
- main()
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