blob: cbcf0cf4d491fd1e0bb2ec7bf79fee223ac3f86f [file] [log] [blame]
#!/usr/bin/env python
# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
# pylint: disable=invalid-name
This script acts as an interface between the Chromium infrastructure and
gtest-parallel, renaming options and translating environment variables into
flags. Developers should execute gtest-parallel directly.
In particular, this translates the GTEST_SHARD_INDEX and GTEST_TOTAL_SHARDS
environment variables to the --shard_index and --shard_count flags, and renames
the --isolated-script-test-output flag to --dump_json_test_results.
All flags before '--' will be passed as arguments to gtest-parallel, and
(almost) all flags after '--' will be passed as arguments to the test
The exception is that --isolated-script-test-output and
--isolated-script-test-chartson-output are expected to be after '--', so they
are processed and removed from there.
For example: some_test \
--some_flag=some_value \
--another_flag \
-- \
--isolated-script-test-output=some_dir \
--isolated-script-test-perf-output=some_other_dir \
--foo=bar \
Will be converted into:
python gtest-parallel some_test \
--shard_count 1 \
--shard_index 0 \
--some_flag=some_value \
--another_flag \
--dump_json_test_results=some_dir \
-- \
import argparse
import os
import subprocess
import sys
def CatFiles(file_list, output_file):
with open(output_file, 'w') as output_file:
for filename in file_list:
with open(filename) as input_file:
def get_args_and_env():
if '--' in sys.argv:
argv_index = sys.argv.index('--')
argv_index = len(sys.argv)
gtest_parallel_args = sys.argv[1:argv_index]
executable_args = sys.argv[argv_index + 1:]
parser = argparse.ArgumentParser()
parser.add_argument('--isolated-script-test-output', type=str, default=None)
# We don't need to implement this flag, and possibly can't, since it's
# intended for results of Telemetry tests. See
parser.add_argument('--isolated-script-test-perf-output', type=str,
# No-sandbox is a Chromium-specific flag, ignore it.
# TODO(oprypin): Remove (
parser.add_argument('--no-sandbox', action='store_true', default=False)
# We have to do this, since --isolated-script-test-output is passed as an
# argument to the executable by the swarming scripts, and we want to pass it
# to gtest-parallel instead.
options, executable_args = parser.parse_known_args(executable_args)
# --isolated-script-test-output is used to upload results to the flakiness
# dashboard. This translation is made because gtest-parallel expects the flag
# to be called --dump_json_test_results instead.
if options.isolated_script_test_output:
gtest_parallel_args += [
# GTEST_SHARD_INDEX and GTEST_TOTAL_SHARDS must be removed from the
# environment. Otherwise it will be picked up by the binary, causing a bug
# where only tests in the first shard are executed.
test_env = os.environ.copy()
gtest_shard_index = test_env.pop('GTEST_SHARD_INDEX', '0')
gtest_total_shards = test_env.pop('GTEST_TOTAL_SHARDS', '1')
gtest_parallel_args += [
] + ['--'] + executable_args
return gtest_parallel_args, test_env
def get_output_dir(gtest_parallel_args):
parser = argparse.ArgumentParser()
parser.add_argument('--output_dir', type=str, default=None)
options, _ = parser.parse_known_args(gtest_parallel_args)
return options.output_dir
def main():
webrtc_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
gtest_parallel_path = os.path.join(
webrtc_root, 'third_party', 'gtest-parallel', 'gtest-parallel')
gtest_parallel_args, test_env = get_args_and_env()
command = [
] + gtest_parallel_args
print 'gtest-parallel-wrapper: Executing command %s' % ' '.join(command)
exit_code =, env=test_env, cwd=os.getcwd())
output_dir = get_output_dir(gtest_parallel_args)
if output_dir:
for test_status in 'passed', 'failed', 'interrupted':
logs_dir = os.path.join(output_dir, 'gtest-parallel-logs', test_status)
if not os.path.isdir(logs_dir):
logs = [os.path.join(logs_dir, log) for log in os.listdir(logs_dir)]
log_file = os.path.join(output_dir, '%s-tests.log' % test_status)
CatFiles(logs, log_file)
return exit_code
if __name__ == '__main__':