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#!/usr/bin/python
"""Run tests in parallel."""
import argparse
import glob
import itertools
import multiprocessing
import os
import sys
import time
import jobset
import simplejson
import watch_dirs
# SimpleConfig: just compile with CONFIG=config, and run the binary to test
class SimpleConfig(object):
def __init__(self, config):
self.build_config = config
self.maxjobs = 32 * multiprocessing.cpu_count()
def run_command(self, binary):
return [binary]
# ValgrindConfig: compile with some CONFIG=config, but use valgrind to run
class ValgrindConfig(object):
def __init__(self, config, tool):
self.build_config = config
self.tool = tool
self.maxjobs = 4 * multiprocessing.cpu_count()
def run_command(self, binary):
return ['valgrind', binary, '--tool=%s' % self.tool]
# different configurations we can run under
_CONFIGS = {
'dbg': SimpleConfig('dbg'),
'opt': SimpleConfig('opt'),
'tsan': SimpleConfig('tsan'),
'msan': SimpleConfig('msan'),
'asan': SimpleConfig('asan'),
'gcov': SimpleConfig('gcov'),
'memcheck': ValgrindConfig('valgrind', 'memcheck'),
'helgrind': ValgrindConfig('dbg', 'helgrind')
}
_DEFAULT = ['dbg', 'opt']
_LANGUAGE_TEST_TARGETS = {
'c++': 'buildtests_cxx',
'c': 'buildtests_c',
}
# parse command line
argp = argparse.ArgumentParser(description='Run grpc tests.')
argp.add_argument('-c', '--config',
choices=['all'] + sorted(_CONFIGS.keys()),
nargs='+',
default=_DEFAULT)
argp.add_argument('-t', '--test-filter', nargs='*', default=['*'])
argp.add_argument('-n', '--runs_per_test', default=1, type=int)
argp.add_argument('-f', '--forever',
default=False,
action='store_const',
const=True)
argp.add_argument('--newline_on_success',
default=False,
action='store_const',
const=True)
argp.add_argument('-l', '--language',
choices=sorted(_LANGUAGE_TEST_TARGETS.keys()),
nargs='+',
default=sorted(_LANGUAGE_TEST_TARGETS.keys()))
args = argp.parse_args()
# grab config
run_configs = set(_CONFIGS[cfg]
for cfg in itertools.chain.from_iterable(
_CONFIGS.iterkeys() if x == 'all' else [x]
for x in args.config))
build_configs = set(cfg.build_config for cfg in run_configs)
make_targets = set(_LANGUAGE_TEST_TARGETS[x] for x in args.language)
filters = args.test_filter
runs_per_test = args.runs_per_test
forever = args.forever
class TestCache(object):
"""Cache for running tests."""
def __init__(self):
self._last_successful_run = {}
def should_run(self, cmdline, bin_hash):
cmdline = ' '.join(cmdline)
if cmdline not in self._last_successful_run:
return True
if self._last_successful_run[cmdline] != bin_hash:
return True
return False
def finished(self, cmdline, bin_hash):
self._last_successful_run[' '.join(cmdline)] = bin_hash
def dump(self):
return [{'cmdline': k, 'hash': v}
for k, v in self._last_successful_run.iteritems()]
def parse(self, exdump):
self._last_successful_run = dict((o['cmdline'], o['hash']) for o in exdump)
def save(self):
with open('.run_tests_cache', 'w') as f:
f.write(simplejson.dumps(self.dump()))
def maybe_load(self):
if os.path.exists('.run_tests_cache'):
with open('.run_tests_cache') as f:
self.parse(simplejson.loads(f.read()))
def _build_and_run(check_cancelled, newline_on_success, cache):
"""Do one pass of building & running tests."""
# build latest, sharing cpu between the various makes
if not jobset.run(
(['make',
'-j', '%d' % (multiprocessing.cpu_count() + 1),
'CONFIG=%s' % cfg] + list(make_targets)
for cfg in build_configs),
check_cancelled, maxjobs=1):
return 1
# run all the tests
if not jobset.run(
itertools.ifilter(
lambda x: x is not None, (
config.run_command(x)
for config in run_configs
for filt in filters
for x in itertools.chain.from_iterable(itertools.repeat(
glob.glob('bins/%s/%s_test' % (
config.build_config, filt)),
runs_per_test)))),
check_cancelled,
newline_on_success=newline_on_success,
maxjobs=min(c.maxjobs for c in run_configs),
cache=cache):
return 2
return 0
test_cache = (None if runs_per_test != 1
or 'gcov' in build_configs
or 'valgrind' in build_configs
else TestCache())
if test_cache:
test_cache.maybe_load()
if forever:
success = True
while True:
dw = watch_dirs.DirWatcher(['src', 'include', 'test'])
initial_time = dw.most_recent_change()
have_files_changed = lambda: dw.most_recent_change() != initial_time
previous_success = success
success = _build_and_run(check_cancelled=have_files_changed,
newline_on_success=False,
cache=test_cache) == 0
if not previous_success and success:
jobset.message('SUCCESS',
'All tests are now passing properly',
do_newline=True)
jobset.message('IDLE', 'No change detected')
while not have_files_changed():
time.sleep(1)
else:
result = _build_and_run(check_cancelled=lambda: False,
newline_on_success=args.newline_on_success,
cache=test_cache)
if result == 0:
jobset.message('SUCCESS', 'All tests passed', do_newline=True)
else:
jobset.message('FAILED', 'Some tests failed', do_newline=True)
test_cache.save()
sys.exit(result)
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