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- # Copyright 2017 The Meson development team
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- # http://www.apache.org/licenses/LICENSE-2.0
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- from mesonbuild import environment
- import argparse, sys, os, subprocess, pathlib
- def coverage(outputs, source_root, subproject_root, build_root, log_dir):
- outfiles = []
- exitcode = 0
- (gcovr_exe, gcovr_new_rootdir, lcov_exe, genhtml_exe) = environment.find_coverage_tools()
- # gcovr >= 3.1 interprets rootdir differently
- if gcovr_new_rootdir:
- gcovr_rootdir = build_root
- else:
- gcovr_rootdir = source_root
- if not outputs or 'xml' in outputs:
- if gcovr_exe:
- subprocess.check_call([gcovr_exe,
- '-x',
- '-r', gcovr_rootdir,
- '-e', subproject_root,
- '-o', os.path.join(log_dir, 'coverage.xml'),
- ])
- outfiles.append(('Xml', pathlib.Path(log_dir, 'coverage.xml')))
- elif outputs:
- print('gcovr needed to generate Xml coverage report')
- exitcode = 1
- if not outputs or 'text' in outputs:
- if gcovr_exe:
- subprocess.check_call([gcovr_exe,
- '-r', gcovr_rootdir,
- '-e', subproject_root,
- '-o', os.path.join(log_dir, 'coverage.txt'),
- ])
- outfiles.append(('Text', pathlib.Path(log_dir, 'coverage.txt')))
- elif outputs:
- print('gcovr needed to generate text coverage report')
- exitcode = 1
- if not outputs or 'html' in outputs:
- if lcov_exe and genhtml_exe:
- htmloutdir = os.path.join(log_dir, 'coveragereport')
- covinfo = os.path.join(log_dir, 'coverage.info')
- initial_tracefile = covinfo + '.initial'
- run_tracefile = covinfo + '.run'
- raw_tracefile = covinfo + '.raw'
- subprocess.check_call([lcov_exe,
- '--directory', build_root,
- '--capture',
- '--initial',
- '--output-file',
- initial_tracefile])
- subprocess.check_call([lcov_exe,
- '--directory', build_root,
- '--capture',
- '--output-file', run_tracefile,
- '--no-checksum',
- '--rc', 'lcov_branch_coverage=1',
- ])
- # Join initial and test results.
- subprocess.check_call([lcov_exe,
- '-a', initial_tracefile,
- '-a', run_tracefile,
- '--rc', 'lcov_branch_coverage=1',
- '-o', raw_tracefile])
- # Remove all directories outside the source_root from the covinfo
- subprocess.check_call([lcov_exe,
- '--extract', raw_tracefile,
- os.path.join(source_root, '*'),
- '--rc', 'lcov_branch_coverage=1',
- '--output-file', covinfo])
- # Remove all directories inside subproject dir
- subprocess.check_call([lcov_exe,
- '--remove', covinfo,
- os.path.join(subproject_root, '*'),
- '--rc', 'lcov_branch_coverage=1',
- '--output-file', covinfo])
- subprocess.check_call([genhtml_exe,
- '--prefix', build_root,
- '--prefix', source_root,
- '--output-directory', htmloutdir,
- '--title', 'Code coverage',
- '--legend',
- '--show-details',
- '--branch-coverage',
- covinfo])
- outfiles.append(('Html', pathlib.Path(htmloutdir, 'index.html')))
- elif gcovr_exe and gcovr_new_rootdir:
- htmloutdir = os.path.join(log_dir, 'coveragereport')
- if not os.path.isdir(htmloutdir):
- os.mkdir(htmloutdir)
- subprocess.check_call([gcovr_exe,
- '--html',
- '--html-details',
- '--print-summary',
- '-r', build_root,
- '-e', subproject_root,
- '-o', os.path.join(htmloutdir, 'index.html'),
- ])
- outfiles.append(('Html', pathlib.Path(htmloutdir, 'index.html')))
- elif outputs:
- print('lcov/genhtml or gcovr >= 3.2 needed to generate Html coverage report')
- exitcode = 1
- if not outputs and not outfiles:
- print('Need gcovr or lcov/genhtml to generate any coverage reports')
- exitcode = 1
- if outfiles:
- print('')
- for (filetype, path) in outfiles:
- print(filetype + ' coverage report can be found at', path.as_uri())
- return exitcode
- def run(args):
- if not os.path.isfile('build.ninja'):
- print('Coverage currently only works with the Ninja backend.')
- return 1
- parser = argparse.ArgumentParser(description='Generate coverage reports')
- parser.add_argument('--text', dest='outputs', action='append_const',
- const='text', help='generate Text report')
- parser.add_argument('--xml', dest='outputs', action='append_const',
- const='xml', help='generate Xml report')
- parser.add_argument('--html', dest='outputs', action='append_const',
- const='html', help='generate Html report')
- parser.add_argument('source_root')
- parser.add_argument('subproject_root')
- parser.add_argument('build_root')
- parser.add_argument('log_dir')
- options = parser.parse_args(args)
- return coverage(options.outputs, options.source_root,
- options.subproject_root, options.build_root,
- options.log_dir)
- if __name__ == '__main__':
- sys.exit(run(sys.argv[1:]))
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