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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 sys, os, subprocess, pathlib
def remove_dir_from_trace(lcov_command, covfile, dirname):
tmpfile = covfile + '.tmp'
subprocess.check_call([lcov_command, '--remove', covfile, dirname, '-o', tmpfile])
os.replace(tmpfile, covfile)
def coverage(source_root, build_root, log_dir):
(gcovr_exe, lcov_exe, genhtml_exe) = environment.find_coverage_tools()
if gcovr_exe:
subprocess.check_call([gcovr_exe,
'-x',
'-r', source_root,
'-o', os.path.join(log_dir, 'coverage.xml'),
])
subprocess.check_call([gcovr_exe,
'-r', source_root,
'-o', os.path.join(log_dir, 'coverage.txt'),
])
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'
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,
'-o', covinfo])
remove_dir_from_trace(lcov_exe, covinfo, '/usr/include/*')
remove_dir_from_trace(lcov_exe, covinfo, '/usr/local/include/*')
remove_dir_from_trace(lcov_exe, covinfo, '/usr/src/*')
remove_dir_from_trace(lcov_exe, covinfo, '/usr/lib/llvm-*/include/*')
subprocess.check_call([genhtml_exe,
'--prefix', build_root,
'--output-directory', htmloutdir,
'--title', 'Code coverage',
'--legend',
'--show-details',
'--branch-coverage',
covinfo])
if gcovr_exe:
print('')
print('XML coverage report can be found at',
pathlib.Path(log_dir, 'coverage.xml').as_uri())
print('Text coverage report can be found at',
pathlib.Path(log_dir, 'coverage.txt').as_uri())
if lcov_exe and genhtml_exe:
print('Html coverage report can be found at',
pathlib.Path(htmloutdir, 'index.html').as_uri())
return 0
def run(args):
if not os.path.isfile('build.ninja'):
print('Coverage currently only works with the Ninja backend.')
return 1
source_root, build_root, log_dir = args[:]
return coverage(source_root, build_root, log_dir)
if __name__ == '__main__':
sys.exit(run(sys.argv[1:]))
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