mirror of https://github.com/google/oss-fuzz.git
49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
# 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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"""Module for generating coverage reports."""
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import os
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import base_runner_utils
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import fuzz_target
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import utils
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def run_coverage_command(config, workspace):
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"""Runs the coverage command in base-runner to generate a coverage report."""
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env = base_runner_utils.get_env(config, workspace)
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env['HTTP_PORT'] = ''
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env['COVERAGE_EXTRA_ARGS'] = ''
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env['CORPUS_DIR'] = workspace.corpora
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env['COVERAGE_OUTPUT_DIR'] = workspace.coverage_report
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command = 'coverage'
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return utils.execute(command, env=env)
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def download_corpora(fuzz_target_paths, clusterfuzz_deployment):
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"""Downloads corpora for fuzz targets in |fuzz_target_paths| using
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|clusterfuzz_deployment| to download corpora from ClusterFuzz/OSS-Fuzz."""
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for target_path in fuzz_target_paths:
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target_name = os.path.basename(target_path)
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corpus_dir = fuzz_target.get_fuzz_target_corpus_dir(
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clusterfuzz_deployment.workspace, target_name)
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clusterfuzz_deployment.download_corpus(target_name, corpus_dir)
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def generate_coverage_report(fuzz_target_paths, workspace,
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clusterfuzz_deployment, config):
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"""Generates a coverage report using Clang's source based coverage."""
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download_corpora(fuzz_target_paths, clusterfuzz_deployment)
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run_coverage_command(config, workspace)
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clusterfuzz_deployment.upload_coverage()
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