diff options
Diffstat (limited to 'build/android/generate_emma_html.py')
-rwxr-xr-x | build/android/generate_emma_html.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/build/android/generate_emma_html.py b/build/android/generate_emma_html.py new file mode 100755 index 0000000..fa72792 --- /dev/null +++ b/build/android/generate_emma_html.py @@ -0,0 +1,80 @@ +#!/usr/bin/env python + +# Copyright 2013 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. + +"""Aggregates EMMA coverage files to produce html output.""" + +import fnmatch +import json +import optparse +import os +import sys + +from pylib import cmd_helper +from pylib import constants + + +def _GetFilesWithExt(root_dir, ext): + """Gets all files with a given extension. + + Args: + root_dir: Directory in which to search for files. + ext: Extension to look for (including dot) + + Returns: + A list of absolute paths to files that match. + """ + files = [] + for root, _, filenames in os.walk(root_dir): + basenames = fnmatch.filter(filenames, '*.' + ext) + files.extend([os.path.join(root, basename) + for basename in basenames]) + + return files + + +def main(argv): + option_parser = optparse.OptionParser() + option_parser.add_option('-o', '--output', help='HTML output filename.') + option_parser.add_option('-c', '--coverage-dir', default=None, + help=('Root of the directory in which to search for ' + 'coverage data (.ec) files.')) + option_parser.add_option('-m', '--metadata-dir', default=None, + help=('Root of the directory in which to search for ' + 'coverage metadata (.em) files.')) + options, args = option_parser.parse_args() + + if not (options.coverage_dir and options.metadata_dir and options.output): + option_parser.error('All arguments are required.') + + coverage_files = _GetFilesWithExt(options.coverage_dir, 'ec') + metadata_files = _GetFilesWithExt(options.metadata_dir, 'em') + print 'Found coverage files: %s' % str(coverage_files) + print 'Found metadata files: %s' % str(metadata_files) + sources_files = [] + for f in metadata_files: + sources_file = os.path.join(os.path.dirname(f), 'emma_sources.txt') + with open(sources_file, 'r') as f: + sources_files.extend(json.load(f)) + sources_files = [os.path.join(constants.DIR_SOURCE_ROOT, s) + for s in sources_files] + + input_args = [] + for f in coverage_files + metadata_files: + input_args.append('-in') + input_args.append(f) + + output_args = ['-Dreport.html.out.file', options.output] + source_args = ['-sp', ','.join(sources_files)] + + return cmd_helper.RunCmd( + ['java', '-cp', + os.path.join(constants.ANDROID_SDK_ROOT, 'tools', 'lib', 'emma.jar'), + 'emma', 'report', '-r', 'html'] + + input_args + output_args + source_args) + + +if __name__ == '__main__': + sys.exit(main(sys.argv)) |