Convert Mojo tests to use swarming.

mojo/tools/apptest_runner.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 '''A test runner for gtest application tests.'''
 
 import argparse
 import json
 import logging
@@ skipping 12 matching lines @@
 def main():
   parser = argparse.ArgumentParser(description='An application test runner.')
   parser.add_argument('build_dir', type=str, help='The build output directory.')
   parser.add_argument('--verbose', default=False, action='store_true',
                       help='Print additional logging information.')
   parser.add_argument('--repeat-count', default=1, metavar='INT',
                       action='store', type=int,
                       help='The number of times to repeat the set of tests.')
   parser.add_argument('--write-full-results-to', metavar='FILENAME',
                       help='The path to write the JSON list of full results.')
+  parser.add_argument('--test-launcher-summary-output', metavar='FILENAME',
+                      help='The path to write the JSON list of full results.')
   parser.add_argument('--test-list-file', metavar='FILENAME', type=file,
                       default=APPTESTS, help='The file listing tests to run.')
   parser.add_argument('--apptest-filter', default='',
                       help='A comma-separated list of mojo:apptests to run.')
   args, commandline_args = parser.parse_known_args()
 
   logger = logging.getLogger()
   logging.basicConfig(stream=sys.stdout, format='%(levelname)s:%(message)s')
   logger.setLevel(logging.DEBUG if args.verbose else logging.WARNING)
   logger.debug('Initialized logging: level=%s' % logger.level)
@@ skipping 62 matching lines @@
 
   print '[==========] %d tests ran.' % len(tests)
   print '[  PASSED  ] %d tests.' % (len(tests) - len(failed))
   if failed:
     print '[  FAILED  ] %d tests, listed below:' % len(failed)
     for failure in failed:
       print '[  FAILED  ] %s' % failure
 
   if args.write_full_results_to:
     _WriteJSONResults(tests, failed, args.write_full_results_to)
+  if args.test_launcher_summary_output:
+    _WriteSwarmingJSONResults(tests, failed, args.test_launcher_summary_output)
 
   return 1 if failed else 0
 
 
 def _WriteJSONResults(tests, failed, write_full_results_to):
   '''Write the apptest results in the Chromium JSON test results format.
      See <http://www.chromium.org/developers/the-json-test-results-format>
      TODO(msw): Use Chromium and TYP testing infrastructure.
      TODO(msw): Use GTest Suite.Fixture names, not the apptest names.
      Adapted from chrome/test/mini_installer/test_installer.py
@@ skipping 28 matching lines @@
 def _AddPathToTrie(trie, path, value):
   if '.' not in path:
     trie[path] = value
     return
   directory, rest = path.split('.', 1)
   if directory not in trie:
     trie[directory] = {}
   _AddPathToTrie(trie[directory], rest, value)
 
 
+def _WriteSwarmingJSONResults(tests, failed, write_full_results_to):
+  '''Writes the test results in the JSON test result format used by swarming.'''
+  results = {
+    'all_tests': tests,
+    'disabled_tests': [],
+    'global_tags': [],
+  }
+
+  test_results = []
+  for test in sorted(tests):
+    value = [{
+      'status': 'FAILURE' if test in failed else 'SUCCESS',
+      'output_snippet': '',
+      'output_snippet_base64': '',
+    }]
+    test_results.append({test: value})
+  results['per_iteration_data'] = test_results
+
+  with open(write_full_results_to, 'w') as fp:
+    json.dump(results, fp, indent=2)
+    fp.write('\n')
+
+  return results
+
+
 if __name__ == '__main__':
   sys.exit(main())