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1e59de90 1# Copyright 2018, Google Inc.
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2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#
8# * Redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer.
10# * Redistributions in binary form must reproduce the above
11# copyright notice, this list of conditions and the following disclaimer
12# in the documentation and/or other materials provided with the
13# distribution.
14# * Neither the name of Google Inc. nor the names of its
15# contributors may be used to endorse or promote products derived from
16# this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
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30"""Unit test utilities for gtest_json_output."""
31
32import re
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35def normalize(obj):
36 """Normalize output object.
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38 Args:
39 obj: Google Test's JSON output object to normalize.
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41 Returns:
42 Normalized output without any references to transient information that may
43 change from run to run.
44 """
45 def _normalize(key, value):
46 if key == 'time':
47 return re.sub(r'^\d+(\.\d+)?s$', '*', value)
48 elif key == 'timestamp':
49 return re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\dZ$', '*', value)
50 elif key == 'failure':
51 value = re.sub(r'^.*[/\\](.*:)\d+\n', '\\1*\n', value)
52 return re.sub(r'Stack trace:\n(.|\n)*', 'Stack trace:\n*', value)
53 else:
54 return normalize(value)
55 if isinstance(obj, dict):
56 return {k: _normalize(k, v) for k, v in obj.items()}
57 if isinstance(obj, list):
58 return [normalize(x) for x in obj]
59 else:
60 return obj