TestResultsServer: special handling for aggregate file requests.

Tools/TestResultServer/model/jsonresults.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 96 matching lines @@
 }
 
 # FIXME: Use dict comprehensions once we update the server to python 2.7.
 CHAR_TO_FAILURE = dict((value, key) for key, value in FAILURE_TO_CHAR.items())
 
 def _is_directory(subtree):
     return RESULTS_KEY not in subtree
 
 
 class JsonResults(object):
+    @staticmethod
+    def is_aggregate_file(name):
+        return name in (JSON_RESULTS_FILE, JSON_RESULTS_FILE_SMALL)
+
     @classmethod
     def _strip_prefix_suffix(cls, data):
         if data.startswith(JSON_RESULTS_PREFIX) and data.endswith(JSON_RESULTS_SUFFIX):
             return data[len(JSON_RESULTS_PREFIX):len(data) - len(JSON_RESULTS_SUFFIX)]
         return data
 
     @classmethod
     def _generate_file_data(cls, jsonObject, sort_keys=False):
         return json.dumps(jsonObject, separators=(',', ':'), sort_keys=sort_keys)
 
@@ skipping 384 matching lines @@
 
         check_json_error_string = cls._check_json(builder, json)
         if check_json_error_string:
             return None
 
         test_list_json = {}
         tests = json[builder][TESTS_KEY]
         cls._delete_results_and_times(tests)
         test_list_json[builder] = {TESTS_KEY: tests}
         return cls._generate_file_data(test_list_json)