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# osmo_gsm_tester: trial: directory of binaries to be tested
#
# Copyright (C) 2016-2017 by sysmocom - s.f.m.c. GmbH
#
# Author: Neels Hofmeyr <neels@hofmeyr.de>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import os
import time
import shutil
import tarfile
from . import log, util, suite, report
FILE_MARK_TAKEN = 'taken'
FILE_CHECKSUMS = 'checksums.md5'
TIMESTAMP_FMT = '%Y-%m-%d_%H-%M-%S'
FILE_LAST_RUN = 'last_run'
FILE_LOG = 'log'
FILE_LOG_BRIEF = 'log_brief'
class Trial(log.Origin):
UNKNOWN = 'UNKNOWN'
PASS = 'PASS'
FAIL = 'FAIL'
@staticmethod
def next(trials_dir):
with trials_dir.lock('Trial.next'):
trials = [e for e in trials_dir.children()
if trials_dir.isdir(e) and not trials_dir.exists(e, FILE_MARK_TAKEN)]
if not trials:
return None
# sort by time to get the one that waited longest
trials.sort(key=lambda e: os.path.getmtime(trials_dir.child(e)))
next_trial = trials[0]
return Trial(trials_dir.child(next_trial)).take()
def __init__(self, trial_dir):
self.path = os.path.abspath(trial_dir)
super().__init__(log.C_TST, os.path.basename(self.path))
self.dir = util.Dir(self.path)
self.inst_dir = util.Dir(self.dir.child('inst'))
self.bin_tars = []
self.suites = []
self.status = Trial.UNKNOWN
self._run_dir = None
self.log_targets = None
def __repr__(self):
return self.name()
def __enter__(self):
'''add a log target to log to the run dir, write taken marker, log a
starting separator.'''
run_dir = self.get_run_dir()
detailed_log = run_dir.new_child(FILE_LOG)
self.log_targets = [
log.FileLogTarget(detailed_log)
.set_all_levels(log.L_DBG)
.style_change(trace=True),
log.FileLogTarget(run_dir.new_child(FILE_LOG_BRIEF))
.style_change(src=False, all_origins_on_levels=(log.L_ERR, log.L_TRACEBACK))
]
log.large_separator(self.name(), sublevel=1)
self.log('Detailed log at', detailed_log)
self.take()
return self
def __exit__(self, *exc_info):
'''log a report, then remove log file targets for this trial'''
self.log_report()
for lt in self.log_targets:
lt.remove()
self.log_targets = None
def take(self):
self.dir.touch(FILE_MARK_TAKEN)
return self
def get_run_dir(self):
if self._run_dir is not None:
return self._run_dir
self._run_dir = util.Dir(self.dir.new_child('run.%s' % time.strftime(TIMESTAMP_FMT)))
self._run_dir.mkdir()
last_run = self.dir.child(FILE_LAST_RUN)
if os.path.islink(last_run):
os.remove(last_run)
if not os.path.exists(last_run):
os.symlink(self.dir.rel_path(self._run_dir.path), last_run)
return self._run_dir
def verify(self):
"verify checksums"
if not self.dir.exists():
raise RuntimeError('Trial dir does not exist: %r' % self.dir)
if not self.dir.isdir():
raise RuntimeError('Trial dir is not a dir: %r' % self.dir)
checksums = self.dir.child(FILE_CHECKSUMS)
if not self.dir.isfile(FILE_CHECKSUMS):
raise RuntimeError('No checksums file in trial dir: %r', checksums)
with open(checksums, 'r') as f:
line_nr = 0
for line in [l.strip() for l in f.readlines()]:
line_nr += 1
if not line:
continue
md5, filename = line.split(' ')
file_path = self.dir.child(filename)
if not self.dir.isfile(filename):
raise RuntimeError('File listed in checksums file but missing in trials dir:'
' %r vs. %r line %d' % (file_path, checksums, line_nr))
if md5 != util.md5_of_file(file_path):
raise RuntimeError('Checksum mismatch for %r vs. %r line %d'
% (file_path, checksums, line_nr))
if filename.endswith('.tgz'):
self.bin_tars.append(filename)
def has_bin_tar(self, bin_name):
bin_tar_start = '%s.' % bin_name
matches = [t for t in self.bin_tars if t.startswith(bin_tar_start)]
self.dbg(bin_name=bin_name, matches=matches)
if not matches:
return None
if len(matches) > 1:
raise RuntimeError('More than one match for bin name %r: %r' % (bin_name, matches))
bin_tar = matches[0]
bin_tar_path = self.dir.child(bin_tar)
if not os.path.isfile(bin_tar_path):
raise RuntimeError('Not a file or missing: %r' % bin_tar_path)
return bin_tar_path
def get_inst(self, bin_name):
bin_tar = self.has_bin_tar(bin_name)
if not bin_tar:
raise RuntimeError('No such binary available: %r' % bin_name)
inst_dir = self.inst_dir.child(bin_name)
if os.path.isdir(inst_dir):
# already unpacked
return inst_dir
t = None
try:
os.makedirs(inst_dir)
t = tarfile.open(bin_tar)
t.extractall(inst_dir)
return inst_dir
except:
shutil.rmtree(inst_dir)
raise
finally:
if t:
try:
t.close()
except:
pass
def add_suite_run(self, suite_scenario_str, suite_def, scenarios):
suite_run = suite.SuiteRun(self, suite_scenario_str, suite_def, scenarios)
self.suites.append(suite_run)
def run_suites(self, names=None):
self.status = Trial.UNKNOWN
try:
for suite_run in self.suites:
try:
suite_run.run_tests(names)
except BaseException as e:
# when the program is aborted by a signal (like Ctrl-C), escalate to abort all.
self.err('TRIAL RUN ABORTED: %s' % type(e).__name__)
# log the traceback before the trial's logging is ended
log.log_exn()
raise
finally:
if suite_run.status != suite.SuiteRun.PASS:
self.status = Trial.FAIL
if self.status == Trial.UNKNOWN:
self.status = Trial.PASS
finally:
junit_path = self.get_run_dir().new_file(self.name()+'.xml')
self.log('Storing JUnit report in', junit_path)
report.trial_to_junit_write(self, junit_path)
def log_report(self):
log.large_separator(self.name(), self.status)
self.log(report.trial_to_text(self))
# vim: expandtab tabstop=4 shiftwidth=4
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