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#!/usr/bin/env python
# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Merge javascript results from code-coverage/pgo swarming runs.
Called by merge_results.py
"""
import argparse
import logging
import os
import sys
import merge_js_lib as javascript_merger
def _MergeAPIArgumentParser(*args, **kwargs):
parser = argparse.ArgumentParser(*args, **kwargs)
parser.add_argument('--task-output-dir', help=argparse.SUPPRESS)
parser.add_argument('--javascript-coverage-dir',
help='directory for JavaScript coverage data')
parser.add_argument('--chromium-src-dir',
help='directory for chromium/src checkout')
parser.add_argument('--build-dir',
help='directory for the build directory in chromium/src')
return parser
def main():
parser = _MergeAPIArgumentParser()
params = parser.parse_args()
parsed_scripts = javascript_merger.write_parsed_scripts(
params.task_output_dir)
# Ensure JavaScript coverage dir exists.
if not os.path.exists(params.javascript_coverage_dir):
os.makedirs(params.javascript_coverage_dir)
if not parsed_scripts:
logging.warning('No parsed scripts written')
return
logging.info('Raw parsed scripts written out to %s', parsed_scripts)
coverage_dirs = javascript_merger.get_raw_coverage_dirs(
params.task_output_dir)
logging.info('Identified directories containing coverage %s', coverage_dirs)
try:
logging.info('Converting raw coverage to istanbul')
javascript_merger.convert_raw_coverage_to_istanbul(coverage_dirs,
parsed_scripts,
params.task_output_dir)
istanbul_coverage_dir = os.path.join(params.task_output_dir, 'istanbul')
output_dir = os.path.join(istanbul_coverage_dir, 'merged')
os.makedirs(output_dir, exist_ok=True)
coverage_file_path = os.path.join(output_dir, 'coverage.json')
logging.info('Merging istanbul reports to %s', coverage_file_path)
javascript_merger.merge_istanbul_reports(istanbul_coverage_dir,
parsed_scripts, coverage_file_path)
logging.info('Excluding uninteresting lines from coverage')
javascript_merger.exclude_uninteresting_lines(coverage_file_path)
logging.info('Remapping all paths relative to the src dir and removing any '
'files in the out dir')
javascript_merger.remap_paths_to_relative(coverage_file_path,
params.chromium_src_dir,
params.build_dir)
logging.info('Creating lcov report at %s', params.javascript_coverage_dir)
javascript_merger.generate_coverage_reports(output_dir,
params.javascript_coverage_dir)
except RuntimeError as e:
logging.warning('Failed executing istanbul tasks: %s', e)
if __name__ == '__main__':
logging.basicConfig(format='[%(asctime)s %(levelname)s] %(message)s',
level=logging.INFO)
sys.exit(main())
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