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"""Unit test utilities for gtest_json_output."""
import re
def normalize(obj):
"""Normalize output object.
Args:
obj: Google Test's JSON output object to normalize.
Returns:
Normalized output without any references to transient information that may
change from run to run.
"""
def _normalize(key, value):
if key == 'time':
return re.sub(r'^\d+(\.\d+)?s$', '*', value)
elif key == 'timestamp':
return re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\dZ$', '*', value)
elif key == 'failure':
value = re.sub(r'^.*[/\\](.*:)\d+\n', '\\1*\n', value)
return re.sub(r'Stack trace:\n(.|\n)*', 'Stack trace:\n*', value)
else:
return normalize(value)
if isinstance(obj, dict):
return {k: _normalize(k, v) for k, v in obj.items()}
if isinstance(obj, list):
return [normalize(x) for x in obj]
else:
return obj