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| 1 #! /usr/bin/env python |
| 2 |
| 3 # Copyright 2013 The Chromium Authors. All rights reserved. |
| 4 # Use of this source code is governed by a BSD-style license that can be |
| 5 # found in the LICENSE file. |
| 6 |
| 7 """Accumulates EMMA coverage files to produce html output.""" |
| 8 |
| 9 import logging |
| 10 import optparse |
| 11 import os |
| 12 import sys |
| 13 |
| 14 from pylib import cmd_helper |
| 15 from pylib import constants |
| 16 |
| 17 |
| 18 def _GetFilesWithExt(root_dir, ext): |
| 19 """Gets all files with a given extension. |
| 20 |
| 21 Args: |
| 22 root_dir: Directory in which to search for files. |
| 23 ext: Extension to look for (including dot) |
| 24 |
| 25 Returns: |
| 26 A list of absolute paths to files that match. |
| 27 """ |
| 28 |
| 29 files = [] |
| 30 for root, _, filenames in os.walk(root_dir): |
| 31 basenames = [f for f in filenames if os.path.splitext(f)[1] == ext] |
| 32 files.extend([os.path.join(root, basename) |
| 33 for basename in basenames]) |
| 34 |
| 35 return files |
| 36 |
| 37 |
| 38 def main(argv): |
| 39 option_parser = optparse.OptionParser() |
| 40 option_parser.add_option('-o', '--output', help='HTML output filename.') |
| 41 option_parser.add_option('-c', '--coverage_dir', default=None, |
| 42 help=('Root of the directory in which to search for ' |
| 43 'coverage data (.ec) files.')) |
| 44 option_parser.add_option('-m', '--metadata_dir', default=None, |
| 45 help=('Root of the directory in which to search for ' |
| 46 'coverage metadata (.em) files.')) |
| 47 options, args = option_parser.parse_args() |
| 48 |
| 49 if not options.coverage_dir: |
| 50 option_parser.error('--coverage_dir is required.') |
| 51 return constants.ERROR_EXIT_CODE |
| 52 |
| 53 if not options.metadata_dir: |
| 54 option_parser.error('--metadata_dir is required.') |
| 55 return constants.ERROR_EXIT_CODE |
| 56 |
| 57 if not options.output: |
| 58 option_parser.error('--output is required.') |
| 59 return constants.ERROR_EXIT_CODE |
| 60 |
| 61 android_sdk_root = os.environ.get('ANDROID_SDK_ROOT') |
| 62 if not android_sdk_root: |
| 63 logging.error('Environment variable ANDROID_SDK_ROOT must be set.') |
| 64 return constants.ERROR_EXIT_CODE |
| 65 |
| 66 emma_file = os.path.join(android_sdk_root, 'tools', 'lib', 'emma.jar') |
| 67 |
| 68 coverage_files = _GetFilesWithExt(options.coverage_dir, '.ec') |
| 69 metadata_files = _GetFilesWithExt(options.metadata_dir, '.em') |
| 70 |
| 71 file_args = [] |
| 72 for f in coverage_files + metadata_files: |
| 73 file_args.append('-in') |
| 74 file_args.append(f) |
| 75 |
| 76 output_args = ['-Dreport.html.out.file', options.output] |
| 77 |
| 78 return cmd_helper.RunCmd(['java', '-cp', emma_file, 'emma', |
| 79 'report', '-r', 'html'] + file_args + output_args) |
| 80 |
| 81 |
| 82 if __name__ == '__main__': |
| 83 sys.exit(main(sys.argv)) |
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