simulation_test_ng: initial CL

recipe_engine/post_process.py

 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 """This file contains post process filters for use with the
 RecipeTestApi.post_process method in GenTests.
 """
 
 import re
 
 from collections import defaultdict, OrderedDict, namedtuple
 
 
+_filterRegexEntry = namedtuple('_filterRegexEntry', 'at_most at_least fields')
+
+
 class Filter(object):
   """Filter is an implementation of a post_process callable which can remove
   unwanted data from a step OrderedDict."""
-  _reEntry = namedtuple('_reEntry', 'at_most at_least fields')
 
   def __init__(self, *steps):
     """Builds a new Filter object. It may be optionally prepopulated by
     specifying steps.
 
     Usage:
       f = Filter('step_a', 'step_b')
       yield TEST + api.post_process(f)
 
       f = f.include('other_step')
@@ skipping 74 matching lines @@
       at_least (int) - the number of steps that this regular expression MUST
         match.
       at_most (int) - the maximum number of steps that this regular expression
         MUST NOT exceed.
 
     Returns the new filter.
     """
     if isinstance(fields, basestring):
       raise ValueError('Expected fields to be a non-string iterable')
     new_re_data = self.re_data.copy()
-    new_re_data[re.compile(step_name_re)] = Filter._reEntry(
+    new_re_data[re.compile(step_name_re)] = _filterRegexEntry(
       at_least, at_most, frozenset(fields))
 
     ret = Filter()
     ret.data = self.data
     ret.re_data = new_re_data
     return ret
 
 
 def DoesNotRun(check, step_odict, *steps):
   """Asserts that the given steps don't run.
@@ skipping 62 matching lines @@
 
 def DropExpectation(_check, _step_odict):
   """Using this post-process hook will drop the expectations for this test
   completely.
 
   Usage:
     yield TEST + api.post_process(DropExpectation)
 
   """
   return {}