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#!/usr/bin/env python
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Runs a python script under an isolate
This script attempts to emulate the contract of gtest-style tests
invoked via recipes.
If optional argument --isolated-script-test-output=[FILENAME] is passed
to the script, json is written to that file in the format detailed in
//docs/testing/json-test-results-format.md.
This script is intended to be the base command invoked by the isolate,
followed by a subsequent Python script."""
import argparse
import json
import os
import sys
import common
sys.path.append(
os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir)))
# //testing imports.
import xvfb
# pylint: disable=super-with-arguments
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--isolated-script-test-output', type=str)
args, _ = parser.parse_known_args()
if sys.platform == 'win32':
exe = os.path.join('.', 'flatbuffers_unittests.exe')
else:
exe = os.path.join('.', 'flatbuffers_unittests')
env = os.environ.copy()
failures = []
with common.temporary_file() as tempfile_path:
rc = xvfb.run_executable([exe], env, stdoutfile=tempfile_path)
# The flatbuffer tests do not really conform to anything parsable, except
# that they will succeed with "ALL TESTS PASSED". We cannot test for
# equality because some tests operate on invalid input and produce error
# messages (e.g. "Field id in struct ProtoMessage has a non positive number
# value" in a test that verifies behavior if a proto message does contain
# a non positive number).
with open(tempfile_path) as f:
output = f.read()
if 'ALL TESTS PASSED\n' not in output:
failures = [output]
if args.isolated_script_test_output:
with open(args.isolated_script_test_output, 'w') as fp:
json.dump({'valid': True, 'failures': failures}, fp)
return rc
def main_compile_targets(args):
json.dump(['flatbuffers_unittests'], args.output)
if __name__ == '__main__':
# Conform minimally to the protocol defined by ScriptTest.
if 'compile_targets' in sys.argv:
funcs = {
'run': None,
'compile_targets': main_compile_targets,
}
sys.exit(common.run_script(sys.argv[1:], funcs))
sys.exit(main())
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