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#!/usr/bin/env python
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utility to confirm that a JSON summary written by GM contains no failures.
Usage:
python confirm_no_failures_in_json.py <filename>
"""
__author__ = 'Elliot Poger'
import json
import sys
# These constants must be kept in sync with the kJsonKey_ constants in
# gm_expectations.cpp !
JSONKEY_ACTUALRESULTS = 'actual-results'
JSONKEY_ACTUALRESULTS_FAILED = 'failed'
# This is the same indent level as used by jsoncpp, just for consistency.
JSON_INDENTLEVEL = 3
def Assert(filepath):
"""Raises an exception if the JSON summary at filepath contains any failed
tests, or if we were unable to read the JSON summary."""
failed_tests = GetFailedTests(filepath)
if failed_tests:
raise Exception('JSON file %s contained these test failures...\n%s' % (
filepath, json.dumps(failed_tests, indent=JSON_INDENTLEVEL)))
def GetFailedTests(filepath):
"""Returns the dictionary of failed tests from the JSON file at filepath."""
json_dict = json.load(open(filepath))
actual_results = json_dict[JSONKEY_ACTUALRESULTS]
return actual_results[JSONKEY_ACTUALRESULTS_FAILED]
if '__main__' == __name__:
if len(sys.argv) != 2:
raise Exception('usage: %s <input-json-filepath>' % sys.argv[0])
Assert(sys.argv[1])
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