# Copyright 2016-2017 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# A tool to run tests in many different ways.
import shlex
import subprocess, sys, os, argparse
import pickle
from mesonbuild import build
from mesonbuild import environment
from mesonbuild.dependencies import ExternalProgram
from mesonbuild import mesonlib
from mesonbuild import mlog
import time, datetime, multiprocessing, json
import concurrent.futures as conc
import platform
import signal
import random
from copy import deepcopy
# GNU autotools interprets a return code of 77 from tests it executes to
# mean that the test should be skipped.
GNU_SKIP_RETURNCODE = 77
def is_windows():
platname = platform.system().lower()
return platname == 'windows' or 'mingw' in platname
def is_cygwin():
platname = platform.system().lower()
return 'cygwin' in platname
def determine_worker_count():
varname = 'MESON_TESTTHREADS'
if varname in os.environ:
try:
num_workers = int(os.environ[varname])
except ValueError:
print('Invalid value in %s, using 1 thread.' % varname)
num_workers = 1
else:
try:
# Fails in some weird environments such as Debian
# reproducible build.
num_workers = multiprocessing.cpu_count()
except Exception:
num_workers = 1
return num_workers
parser = argparse.ArgumentParser(prog='meson test')
parser.add_argument('--repeat', default=1, dest='repeat', type=int,
help='Number of times to run the tests.')
parser.add_argument('--no-rebuild', default=False, action='store_true',
help='Do not rebuild before running tests.')
parser.add_argument('--gdb', default=False, dest='gdb', action='store_true',
help='Run test under gdb.')
parser.add_argument('--list', default=False, dest='list', action='store_true',
help='List available tests.')
parser.add_argument('--wrapper', default=None, dest='wrapper', type=shlex.split,
help='wrapper to run tests with (e.g. Valgrind)')
parser.add_argument('-C', default='.', dest='wd',
help='directory to cd into before running')
parser.add_argument('--suite', default=[], dest='include_suites', action='append', metavar='SUITE',
help='Only run tests belonging to the given suite.')
parser.add_argument('--no-suite', default=[], dest='exclude_suites', action='append', metavar='SUITE',
help='Do not run tests belonging to the given suite.')
parser.add_argument('--no-stdsplit', default=True, dest='split', action='store_false',
help='Do not split stderr and stdout in test logs.')
parser.add_argument('--print-errorlogs', default=False, action='store_true',
help="Whether to print failing tests' logs.")
parser.add_argument('--benchmark', default=False, action='store_true',
help="Run benchmarks instead of tests.")
parser.add_argument('--logbase', default='testlog',
help="Base name for log file.")
parser.add_argument('--num-processes', default=determine_worker_count(), type=int,
help='How many parallel processes to use.')
parser.add_argument('-v', '--verbose', default=False, action='store_true',
help='Do not redirect stdout and stderr')
parser.add_argument('-q', '--quiet', default=False, action='store_true',
help='Produce less output to the terminal.')
parser.add_argument('-t', '--timeout-multiplier', type=float, default=None,
help='Define a multiplier for test timeout, for example '
' when running tests in particular conditions they might take'
' more time to execute.')
parser.add_argument('--setup', default=None, dest='setup',
help='Which test setup to use.')
parser.add_argument('--test-args', default=[], type=shlex.split,
help='Arguments to pass to the specified test(s) or all tests')
parser.add_argument('args', nargs='*',
help='Optional list of tests to run')
class TestException(mesonlib.MesonException):
pass
class TestRun:
def __init__(self, res, returncode, should_fail, duration, stdo, stde, cmd,
env):
self.res = res
self.returncode = returncode
self.duration = duration
self.stdo = stdo
self.stde = stde
self.cmd = cmd
self.env = env
self.should_fail = should_fail
def get_log(self):
res = '--- command ---\n'
if self.cmd is None:
res += 'NONE\n'
else:
res += "%s%s\n" % (''.join(["%s='%s' " % (k, v) for k, v in self.env.items()]), ' ' .join(self.cmd))
if self.stdo:
res += '--- stdout ---\n'
res += self.stdo
if self.stde:
if res[-1:] != '\n':
res += '\n'
res += '--- stderr ---\n'
res += self.stde
if res[-1:] != '\n':
res += '\n'
res += '-------\n\n'
return res
def decode(stream):
if stream is None:
return ''
try:
return stream.decode('utf-8')
except UnicodeDecodeError:
return stream.decode('iso-8859-1', errors='ignore')
def write_json_log(jsonlogfile, test_name, result):
jresult = {'name': test_name,
'stdout': result.stdo,
'result': result.res,
'duration': result.duration,
'returncode': result.returncode,
'command': result.cmd}
if isinstance(result.env, dict):
jresult['env'] = result.env
else:
jresult['env'] = result.env.get_env(os.environ)
if result.stde:
jresult['stderr'] = result.stde
jsonlogfile.write(json.dumps(jresult) + '\n')
def run_with_mono(fname):
if fname.endswith('.exe') and not (is_windows() or is_cygwin()):
return True
return False
def load_benchmarks(build_dir):
datafile = os.path.join(build_dir, 'meson-private', 'meson_benchmark_setup.dat')
if not os.path.isfile(datafile):
raise TestException('Directory ${!r} does not seem to be a Meson build directory.'.format(build_dir))
with open(datafile, 'rb') as f:
obj = pickle.load(f)
return obj
def load_tests(build_dir):
datafile = os.path.join(build_dir, 'meson-private', 'meson_test_setup.dat')
if not os.path.isfile(datafile):
raise TestException('Directory ${!r} does not seem to be a Meson build directory.'.format(build_dir))
with open(datafile, 'rb') as f:
obj = pickle.load(f)
return obj
class TestHarness:
def __init__(self, options):
self.options = options
self.collected_logs = []
self.fail_count = 0
self.success_count = 0
self.skip_count = 0
self.timeout_count = 0
self.is_run = False
self.tests = None
self.suites = None
self.logfilename = None
self.logfile = None
self.jsonlogfile = None
if self.options.benchmark:
self.tests = load_benchmarks(options.wd)
else:
self.tests = load_tests(options.wd)
self.load_suites()
def __del__(self):
if self.logfile:
self.logfile.close()
if self.jsonlogfile:
self.jsonlogfile.close()
def merge_suite_options(self, options, test):
if ":" in options.setup:
if options.setup not in self.build_data.test_setups:
sys.exit("Unknown test setup '%s'." % options.setup)
current = self.build_data.test_setups[options.setup]
else:
full_name = test.project_name + ":" + options.setup
if full_name not in self.build_data.test_setups:
sys.exit("Test setup '%s' not found from project '%s'." % (options.setup, test.project_name))
current = self.build_data.test_setups[full_name]
if not options.gdb:
options.gdb = current.gdb
if options.timeout_multiplier is None:
options.timeout_multiplier = current.timeout_multiplier
# if options.env is None:
# options.env = current.env # FIXME, should probably merge options here.
if options.wrapper is not None and current.exe_wrapper is not None:
sys.exit('Conflict: both test setup and command line specify an exe wrapper.')
if options.wrapper is None:
options.wrapper = current.exe_wrapper
return current.env.get_env(os.environ.copy())
def get_test_env(self, options, test):
if options.setup:
env = self.merge_suite_options(options, test)
else:
env = os.environ.copy()
if isinstance(test.env, build.EnvironmentVariables):
test.env = test.env.get_env(env)
env.update(test.env)
return env
def run_single_test(self, test):
if test.fname[0].endswith('.jar'):
cmd = ['java', '-jar'] + test.fname
elif not test.is_cross_built and run_with_mono(test.fname[0]):
cmd = ['mono'] + test.fname
else:
if test.is_cross_built:
if test.exe_runner is None:
# Can not run test on cross compiled executable
# because there is no execute wrapper.
cmd = None
else:
cmd = [test.exe_runner] + test.fname
else:
cmd = test.fname
if cmd is None:
res = 'SKIP'
duration = 0.0
stdo = 'Not run because can not execute cross compiled binaries.'
stde = None
returncode = GNU_SKIP_RETURNCODE
else:
test_opts = deepcopy(self.options)
test_env = self.get_test_env(test_opts, test)
wrap = self.get_wrapper(test_opts)
if test_opts.gdb:
test.timeout = None
cmd = wrap + cmd + test.cmd_args + self.options.test_args
starttime = time.time()
if len(test.extra_paths) > 0:
test_env['PATH'] = os.pathsep.join(test.extra_paths + ['']) + test_env['PATH']
# If MALLOC_PERTURB_ is not set, or if it is set to an empty value,
# (i.e., the test or the environment don't explicitly set it), set
# it ourselves. We do this unconditionally for regular tests
# because it is extremely useful to have.
# Setting MALLOC_PERTURB_="0" will completely disable this feature.
if ('MALLOC_PERTURB_' not in test_env or not test_env['MALLOC_PERTURB_']) and not self.options.benchmark:
test_env['MALLOC_PERTURB_'] = str(random.randint(1, 255))
stdout = None
stderr = None
if not self.options.verbose:
stdout = subprocess.PIPE
stderr = subprocess.PIPE if self.options and self.options.split else subprocess.STDOUT
# Let gdb handle ^C instead of us
if test_opts.gdb:
previous_sigint_handler = signal.getsignal(signal.SIGINT)
# Make the meson executable ignore SIGINT while gdb is running.
signal.signal(signal.SIGINT, signal.SIG_IGN)
def preexec_fn():
if test_opts.gdb:
# Restore the SIGINT handler for the child process to
# ensure it can handle it.
signal.signal(signal.SIGINT, signal.SIG_DFL)
else:
# We don't want setsid() in gdb because gdb needs the
# terminal in order to handle ^C and not show tcsetpgrp()
# errors avoid not being able to use the terminal.
os.setsid()
p = subprocess.Popen(cmd,
stdout=stdout,
stderr=stderr,
env=test_env,
cwd=test.workdir,
preexec_fn=preexec_fn if not is_windows() else None)
timed_out = False
kill_test = False
if test.timeout is None:
timeout = None
elif test_opts.timeout_multiplier is not None:
timeout = test.timeout * test_opts.timeout_multiplier
else:
timeout = test.timeout
try:
(stdo, stde) = p.communicate(timeout=timeout)
except subprocess.TimeoutExpired:
if self.options.verbose:
print("%s time out (After %d seconds)" % (test.name, timeout))
timed_out = True
except KeyboardInterrupt:
mlog.warning("CTRL-C detected while running %s" % (test.name))
kill_test = True
finally:
if test_opts.gdb:
# Let us accept ^C again
signal.signal(signal.SIGINT, previous_sigint_handler)
if kill_test or timed_out:
# Python does not provide multiplatform support for
# killing a process and all its children so we need
# to roll our own.
if is_windows():
subprocess.call(['taskkill', '/F', '/T', '/PID', str(p.pid)])
else:
try:
os.killpg(os.getpgid(p.pid), signal.SIGKILL)
except ProcessLookupError:
# Sometimes (e.g. with Wine) this happens.
# There's nothing we can do (maybe the process
# already died) so carry on.
pass
(stdo, stde) = p.communicate()
endtime = time.time()
duration = endtime - starttime
stdo = decode(stdo)
if stde:
stde = decode(stde)
if timed_out:
res = 'TIMEOUT'
self.timeout_count += 1
self.fail_count += 1
elif p.returncode == GNU_SKIP_RETURNCODE:
res = 'SKIP'
self.skip_count += 1
elif test.should_fail == bool(p.returncode):
res = 'OK'
self.success_count += 1
else:
res = 'FAIL'
self.fail_count += 1
returncode = p.returncode
result = TestRun(res, returncode, test.should_fail, duration, stdo, stde, cmd, test.env)
return result
def print_stats(self, numlen, tests, name, result, i):
startpad = ' ' * (numlen - len('%d' % (i + 1)))
num = '%s%d/%d' % (startpad, i + 1, len(tests))
padding1 = ' ' * (38 - len(name))
padding2 = ' ' * (8 - len(result.res))
result_str = '%s %s %s%s%s%5.2f s' % \
(num, name, padding1, result.res, padding2, result.duration)
if not self.options.quiet or result.res != 'OK':
if result.res != 'OK' and mlog.colorize_console:
if result.res == 'FAIL' or result.res == 'TIMEOUT':
decorator = mlog.red
elif result.res == 'SKIP':
decorator = mlog.yellow
else:
sys.exit('Unreachable code was ... well ... reached.')
print(decorator(result_str).get_text(True))
else:
print(result_str)
result_str += "\n\n" + result.get_log()
if (result.returncode != GNU_SKIP_RETURNCODE) \
and (result.returncode != 0) != result.should_fail:
if self.options.print_errorlogs:
self.collected_logs.append(result_str)
if self.logfile:
self.logfile.write(result_str)
if self.jsonlogfile:
write_json_log(self.jsonlogfile, name, result)
def print_summary(self):
msg = '''
OK: %4d
FAIL: %4d
SKIP: %4d
TIMEOUT: %4d
''' % (self.success_count, self.fail_count, self.skip_count, self.timeout_count)
print(msg)
if self.logfile:
self.logfile.write(msg)
def print_collected_logs(self):
if len(self.collected_logs) > 0:
if len(self.collected_logs) > 10:
print('\nThe output from 10 first failed tests:\n')
else:
print('\nThe output from the failed tests:\n')
for log in self.collected_logs[:10]:
lines = log.splitlines()
if len(lines) > 104:
print('\n'.join(lines[0:4]))
print('--- Listing only the last 100 lines from a long log. ---')
lines = lines[-100:]
for line in lines:
print(line)
def doit(self):
if self.is_run:
raise RuntimeError('Test harness object can only be used once.')
self.is_run = True
tests = self.get_tests()
if not tests:
return 0
self.run_tests(tests)
return self.fail_count
@staticmethod
def split_suite_string(suite):
if ':' in suite:
return suite.split(':', 1)
else:
return suite, ""
@staticmethod
def test_in_suites(test, suites):
for suite in suites:
(prj_match, st_match) = TestHarness.split_suite_string(suite)
for prjst in test.suite:
(prj, st) = TestHarness.split_suite_string(prjst)
if prj_match and prj != prj_match:
continue
if st_match and st != st_match:
continue
return True
return False
def test_suitable(self, test):
return (not self.options.include_suites or TestHarness.test_in_suites(test, self.options.include_suites)) \
and not TestHarness.test_in_suites(test, self.options.exclude_suites)
def load_suites(self):
ss = set()
for t in self.tests:
for s in t.suite:
ss.add(s)
self.suites = list(ss)
def get_tests(self):
if not self.tests:
print('No tests defined.')
return []
if len(self.options.include_suites) or len(self.options.exclude_suites):
tests = []
for tst in self.tests:
if self.test_suitable(tst):
tests.append(tst)
else:
tests = self.tests
if self.options.args:
tests = [t for t in tests if t.name in self.options.args]
if not tests:
print('No suitable tests defined.')
return []
for test in tests:
test.rebuilt = False
return tests
def open_log_files(self):
if not self.options.logbase or self.options.verbose:
return None, None, None, None
namebase = None
logfile_base = os.path.join(self.options.wd, 'meson-logs', self.options.logbase)
if self.options.wrapper:
namebase = os.path.basename(self.get_wrapper(self.options)[0])
elif self.options.setup:
namebase = self.options.setup.replace(":", "_")
if namebase:
logfile_base += '-' + namebase.replace(' ', '_')
self.logfilename = logfile_base + '.txt'
self.jsonlogfilename = logfile_base + '.json'
self.jsonlogfile = open(self.jsonlogfilename, 'w')
self.logfile = open(self.logfilename, 'w')
self.logfile.write('Log of Meson test suite run on %s\n\n'
% datetime.datetime.now().isoformat())
def get_wrapper(self, options):
wrap = []
if options.gdb:
wrap = ['gdb', '--quiet', '--nh']
if options.repeat > 1:
wrap += ['-ex', 'run', '-ex', 'quit']
# Signal the end of arguments to gdb
wrap += ['--args']
if options.wrapper:
wrap += options.wrapper
assert(isinstance(wrap, list))
return wrap
def get_pretty_suite(self, test):
if len(self.suites) > 1:
rv = TestHarness.split_suite_string(test.suite[0])[0]
s = "+".join(TestHarness.split_suite_string(s)[1] for s in test.suite)
if len(s):
rv += ":"
return rv + s + " / " + test.name
else:
return test.name
def run_tests(self, tests):
executor = None
futures = []
numlen = len('%d' % len(tests))
self.open_log_files()
startdir = os.getcwd()
if self.options.wd:
os.chdir(self.options.wd)
self.build_data = build.load(os.getcwd())
try:
for _ in range(self.options.repeat):
for i, test in enumerate(tests):
visible_name = self.get_pretty_suite(test)
if not test.is_parallel or self.options.gdb:
self.drain_futures(futures)
futures = []
res = self.run_single_test(test)
self.print_stats(numlen, tests, visible_name, res, i)
else:
if not executor:
executor = conc.ThreadPoolExecutor(max_workers=self.options.num_processes)
f = executor.submit(self.run_single_test, test)
futures.append((f, numlen, tests, visible_name, i))
if self.options.repeat > 1 and self.fail_count:
break
if self.options.repeat > 1 and self.fail_count:
break
self.drain_futures(futures)
self.print_summary()
self.print_collected_logs()
if self.logfilename:
print('Full log written to %s' % self.logfilename)
finally:
os.chdir(startdir)
def drain_futures(self, futures):
for i in futures:
(result, numlen, tests, name, i) = i
if self.options.repeat > 1 and self.fail_count:
result.cancel()
if self.options.verbose:
result.result()
self.print_stats(numlen, tests, name, result.result(), i)
def run_special(self):
'Tests run by the user, usually something like "under gdb 1000 times".'
if self.is_run:
raise RuntimeError('Can not use run_special after a full run.')
tests = self.get_tests()
if not tests:
return 0
self.run_tests(tests)
return self.fail_count
def list_tests(th):
tests = th.get_tests()
for t in tests:
print(th.get_pretty_suite(t))
def rebuild_all(wd):
if not os.path.isfile(os.path.join(wd, 'build.ninja')):
print("Only ninja backend is supported to rebuild tests before running them.")
return True
ninja = environment.detect_ninja()
if not ninja:
print("Can't find ninja, can't rebuild test.")
return False
p = subprocess.Popen([ninja, '-C', wd])
p.communicate()
if p.returncode != 0:
print("Could not rebuild")
return False
return True
def run(args):
options = parser.parse_args(args)
if options.benchmark:
options.num_processes = 1
if options.verbose and options.quiet:
print('Can not be both quiet and verbose at the same time.')
return 1
check_bin = None
if options.gdb:
options.verbose = True
if options.wrapper:
print('Must not specify both a wrapper and gdb at the same time.')
return 1
check_bin = 'gdb'
if options.wrapper:
check_bin = options.wrapper[0]
if check_bin is not None:
exe = ExternalProgram(check_bin, silent=True)
if not exe.found():
sys.exit("Could not find requested program: %s" % check_bin)
options.wd = os.path.abspath(options.wd)
if not options.list and not options.no_rebuild:
if not rebuild_all(options.wd):
sys.exit(-1)
try:
th = TestHarness(options)
if options.list:
list_tests(th)
return 0
if not options.args:
return th.doit()
return th.run_special()
except TestException as e:
print('Meson test encountered an error:\n')
print(e)
return 1