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#!/usr/bin/env python
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Runs a script that can run as an isolate (or not).
The main requirement is that
--isolated-script-test-output=[FILENAME]
is passed on the command line to run_isolated_script_tests. This gets
remapped to the command line argument --write-full-results-to.
json is written to that file in the format produced by
common.parse_common_test_results.
Optional argument:
--isolated-script-test-filter=[TEST_NAMES]
is a double-colon-separated ("::") list of test names, to run just that subset
of tests. This list is parsed by this harness and sent down via the --test-list
argument.
This script is intended to be the base command invoked by the isolate,
followed by a subsequent Python script. It could be generalized to
invoke an arbitrary executable.
"""
# TODO(tansell): Remove this script once LayoutTests can accept the isolated
# arguments and start xvfb itself.
import argparse
import json
import os
import pprint
import sys
import tempfile
import common
# Add src/testing/ into sys.path for importing xvfb.
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
import xvfb
# Known typ test runners this script wraps. They need a different argument name
# when selecting which tests to run.
# TODO(dpranke): Detect if the wrapped test suite uses typ better.
KNOWN_TYP_TEST_RUNNERS = {'run_blinkpy_tests.py', 'metrics_python_tests.py'}
class TypUnittestAdapter(common.BaseIsolatedScriptArgsAdapter):
def __init__(self):
super(TypUnittestAdapter, self).__init__()
self._temp_filter_file = None
def generate_sharding_args(self, total_shards, shard_index):
# This script only uses environment variable for sharding.
del total_shards, shard_index # unused
return []
def generate_test_output_args(self, output):
return ['--write-full-results-to', output]
def generate_test_filter_args(self, test_filter_str):
filter_list = common.extract_filter_list(test_filter_str)
self._temp_filter_file = tempfile.NamedTemporaryFile(
mode='w', delete=False)
self._temp_filter_file.write('\n'.join(filter_list))
self._temp_filter_file.close()
arg_name = 'test-list'
if KNOWN_TYP_TEST_RUNNERS.intersection(self.rest_args):
arg_name = 'file-list'
return ['--%s=' % arg_name + self._temp_filter_file.name]
def clean_up_after_test_run(self):
if self._temp_filter_file:
os.unlink(self._temp_filter_file.name)
def run_test(self):
return super(TypUnittestAdapter, self).run_test()
def main():
adapter = TypUnittestAdapter()
return adapter.run_test()
# This is not really a "script test" so does not need to manually add
# any additional compile targets.
def main_compile_targets(args):
json.dump([], 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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