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# Copyright 2017 The Meson development team |
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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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# http://www.apache.org/licenses/LICENSE-2.0 |
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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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from mesonbuild import environment |
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import sys, os, subprocess |
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def remove_dir_from_trace(lcov_command, covfile, dirname): |
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tmpfile = covfile + '.tmp' |
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subprocess.check_call([lcov_command, '--remove', covfile, dirname, '-o', tmpfile]) |
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os.replace(tmpfile, covfile) |
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def coverage(source_root, build_root, log_dir): |
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(gcovr_exe, lcov_exe, genhtml_exe) = environment.find_coverage_tools() |
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if gcovr_exe: |
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subprocess.check_call([gcovr_exe, |
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'-x', |
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'-r', source_root, |
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'-o', os.path.join(log_dir, 'coverage.xml'), |
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]) |
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subprocess.check_call([gcovr_exe, |
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'-r', source_root, |
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'-o', os.path.join(log_dir, 'coverage.txt'), |
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]) |
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if lcov_exe and genhtml_exe: |
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htmloutdir = os.path.join(log_dir, 'coveragereport') |
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covinfo = os.path.join(log_dir, 'coverage.info') |
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initial_tracefile = covinfo + '.initial' |
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run_tracefile = covinfo + '.run' |
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subprocess.check_call([lcov_exe, |
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'--directory', build_root, |
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'--capture', |
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'--initial', |
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'--output-file', |
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initial_tracefile]) |
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subprocess.check_call([lcov_exe, |
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'--directory', build_root, |
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'--capture', |
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'--output-file', run_tracefile, |
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'--no-checksum', |
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'--rc', 'lcov_branch_coverage=1', |
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]) |
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# Join initial and test results. |
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subprocess.check_call([lcov_exe, |
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'-a', initial_tracefile, |
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'-a', run_tracefile, |
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'-o', covinfo]) |
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remove_dir_from_trace(lcov_exe, covinfo, '/usr/include/*') |
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remove_dir_from_trace(lcov_exe, covinfo, '/usr/local/include/*') |
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subprocess.check_call([genhtml_exe, |
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'--prefix', build_root, |
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'--output-directory', htmloutdir, |
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'--title', 'Code coverage', |
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'--legend', |
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'--show-details', |
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'--branch-coverage', |
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covinfo]) |
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return 0 |
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def run(args): |
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if not os.path.isfile('build.ninja'): |
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print('Coverage currently only works with the Ninja backend.') |
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return 1 |
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source_root, build_root, log_dir = args[:] |
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return coverage(source_root, build_root, log_dir) |
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if __name__ == '__main__': |
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sys.exit(run(sys.argv[1:])) |
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