mirror of https://github.com/google/oss-fuzz.git
79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
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#!/usr/bin/env python3
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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"""Helper script for creating an llvm-cov style JSON summary from a JaCoCo XML
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report."""
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import json
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import sys
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import xml.etree.ElementTree as ET
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def convert(xml):
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"""Turns a JaCoCo XML report into an llvm-cov JSON summary."""
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summary = {
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"type": "oss-fuzz.java.coverage.json.export",
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"version": "1.0.0",
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"data": [{
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"totals": {},
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}],
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}
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root = ET.fromstring(xml)
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totals = {}
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function_counter = root.find("./counter[@type='METHOD']")
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totals["functions"] = make_counter_summary(function_counter)
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line_counter = root.find("./counter[@type='LINE']")
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totals["lines"] = make_counter_summary(line_counter)
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region_counter = root.find("./counter[@type='BRANCH']")
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totals["regions"] = make_counter_summary(region_counter)
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summary["data"][0]["totals"] = totals
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return json.dumps(summary)
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def make_counter_summary(counter_element):
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"""Turns a JaCoCo <counter> tag into an llvm-cov totals entry."""
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summary = {}
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summary["covered"] = int(counter_element.attrib["covered"])
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summary["notcovered"] = int(counter_element.attrib["missed"])
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summary["count"] = summary["covered"] + summary["notcovered"]
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summary["percent"] = (100.0 * summary["covered"]) / summary["count"]
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return summary
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def main():
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"""Produces an llvm-cov style JSON summary from a JaCoCo XML report."""
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if len(sys.argv) != 3:
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sys.stderr.write('Usage: %s <path_to_jacoco_xml> <out_path_json>\n' %
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sys.argv[0])
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return 1
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with open(sys.argv[1], 'r') as xml_file:
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xml_report = xml_file.read()
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json_summary = convert(xml_report)
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with open(sys.argv[2], 'w') as json_file:
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json_file.write(json_summary)
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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