1# Copyright 2018, Google Inc. 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 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 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 30"""Unit test utilities for gtest_json_output.""" 31 32import re 33 34 35def normalize(obj): 36 """Normalize output object. 37 38 Args: 39 obj: Google Test's JSON output object to normalize. 40 41 Returns: 42 Normalized output without any references to transient information that may 43 change from run to run. 44 """ 45 46 def _normalize(key, value): 47 if key == 'time': 48 return re.sub(r'^\d+(\.\d+)?s$', '*', value) 49 elif key == 'timestamp': 50 return re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\dZ$', '*', value) 51 elif key == 'failure': 52 value = re.sub(r'^.*[/\\](.*:)\d+\n', '\\1*\n', value) 53 return re.sub(r'Stack trace:\n(.|\n)*', 'Stack trace:\n*', value) 54 elif key == 'file': 55 return re.sub(r'^.*[/\\](.*)', '\\1', value) 56 else: 57 return normalize(value) 58 59 if isinstance(obj, dict): 60 return {k: _normalize(k, v) for k, v in obj.items()} 61 if isinstance(obj, list): 62 return [normalize(x) for x in obj] 63 else: 64 return obj 65