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Unified Diff: build/android/generate_emma_html.py

Issue 20210002: [Android] Sets up a coverage system for java using EMMA (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixes dex/obfuscate actions slightly Created 7 years, 4 months ago
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Index: build/android/generate_emma_html.py
diff --git a/build/android/generate_emma_html.py b/build/android/generate_emma_html.py
new file mode 100755
index 0000000000000000000000000000000000000000..0a4eba0f318a605bdc6dac5310f5c6802d2f4272
--- /dev/null
+++ b/build/android/generate_emma_html.py
@@ -0,0 +1,78 @@
+#!/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 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 = [f for f in filenames if os.path.splitext(f)[1] == ext]
cjhopman 2013/08/09 18:54:37 basenames = fnmatch.filter(filenames, '*.' + ext)
gkanwar1 2013/08/09 23:32:53 Done.
+ 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.')
+
+ emma_jar = os.path.join(constants.ANDROID_SDK_ROOT, 'tools', 'lib',
+ 'emma.jar')
+
+ coverage_files = _GetFilesWithExt(options.coverage_dir, '.ec')
+ metadata_files = _GetFilesWithExt(options.metadata_dir, '.em')
+ sources_files = []
+ for f in metadata_files:
+ sources_file = os.path.join(os.path.dirname(f), 'emma_sources.txt')
+ if os.path.exists(sources_file):
+ with open(sources_file, 'r') as f:
+ sources_files.extend(f.read().split())
+ 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', emma_jar, 'emma', 'report', '-r', 'html']
+ + input_args + output_args + source_args)
+
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv))

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