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201 lines
9.8 KiB
201 lines
9.8 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# Copyright 2017 The Meson development team |
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from __future__ import annotations |
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from mesonbuild import environment, mesonlib |
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import argparse, re, sys, os, subprocess, pathlib, stat |
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import typing as T |
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def coverage(outputs: T.List[str], source_root: str, subproject_root: str, build_root: str, log_dir: str, use_llvm_cov: bool) -> int: |
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outfiles = [] |
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exitcode = 0 |
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(gcovr_exe, gcovr_version, lcov_exe, lcov_version, genhtml_exe, llvm_cov_exe) = environment.find_coverage_tools() |
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# load config files for tools if available in the source tree |
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# - lcov requires manually specifying a per-project config |
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# - gcovr picks up the per-project config, and also supports filtering files |
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# so don't exclude subprojects ourselves, if the project has a config, |
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# because they either don't want that, or should set it themselves |
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lcovrc = os.path.join(source_root, '.lcovrc') |
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if os.path.exists(lcovrc): |
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lcov_config = ['--config-file', lcovrc] |
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else: |
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lcov_config = [] |
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if lcov_exe and mesonlib.version_compare(lcov_version, '>=2.0'): |
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lcov_exe_rc_branch_coverage = ['--rc', 'branch_coverage=1'] |
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else: |
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lcov_exe_rc_branch_coverage = ['--rc', 'lcov_branch_coverage=1'] |
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gcovr_config = ['-e', re.escape(subproject_root)] |
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# gcovr >= 4.2 requires a different syntax for out of source builds |
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if gcovr_exe and mesonlib.version_compare(gcovr_version, '>=4.2'): |
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gcovr_base_cmd = [gcovr_exe, '-r', source_root, build_root] |
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# it also started supporting the config file |
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if os.path.exists(os.path.join(source_root, 'gcovr.cfg')): |
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gcovr_config = [] |
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else: |
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gcovr_base_cmd = [gcovr_exe, '-r', build_root] |
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if use_llvm_cov: |
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gcov_exe_args = ['--gcov-executable', llvm_cov_exe + ' gcov'] |
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else: |
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gcov_exe_args = [] |
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if not outputs or 'xml' in outputs: |
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if gcovr_exe and mesonlib.version_compare(gcovr_version, '>=3.3'): |
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subprocess.check_call(gcovr_base_cmd + gcovr_config + |
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['-x', |
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'-o', os.path.join(log_dir, 'coverage.xml') |
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] + gcov_exe_args) |
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outfiles.append(('Xml', pathlib.Path(log_dir, 'coverage.xml'))) |
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elif outputs: |
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print('gcovr >= 3.3 needed to generate Xml coverage report') |
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exitcode = 1 |
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if not outputs or 'sonarqube' in outputs: |
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if gcovr_exe and mesonlib.version_compare(gcovr_version, '>=4.2'): |
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subprocess.check_call(gcovr_base_cmd + gcovr_config + |
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['--sonarqube', |
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'-o', os.path.join(log_dir, 'sonarqube.xml'), |
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] + gcov_exe_args) |
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outfiles.append(('Sonarqube', pathlib.Path(log_dir, 'sonarqube.xml'))) |
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elif outputs: |
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print('gcovr >= 4.2 needed to generate Xml coverage report') |
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exitcode = 1 |
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if not outputs or 'text' in outputs: |
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if gcovr_exe and mesonlib.version_compare(gcovr_version, '>=3.3'): |
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subprocess.check_call(gcovr_base_cmd + gcovr_config + |
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['-o', os.path.join(log_dir, 'coverage.txt')] + |
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gcov_exe_args) |
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outfiles.append(('Text', pathlib.Path(log_dir, 'coverage.txt'))) |
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elif outputs: |
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print('gcovr >= 3.3 needed to generate text coverage report') |
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exitcode = 1 |
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if not outputs or 'html' in outputs: |
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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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raw_tracefile = covinfo + '.raw' |
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lcov_subpoject_exclude = [] |
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if os.path.exists(subproject_root): |
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lcov_subpoject_exclude.append(os.path.join(subproject_root, '*')) |
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if use_llvm_cov: |
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# Create a shim to allow using llvm-cov as a gcov tool. |
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if mesonlib.is_windows(): |
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llvm_cov_shim_path = os.path.join(log_dir, 'llvm-cov.bat') |
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with open(llvm_cov_shim_path, 'w', encoding='utf-8') as llvm_cov_bat: |
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llvm_cov_bat.write(f'@"{llvm_cov_exe}" gcov %*') |
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else: |
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llvm_cov_shim_path = os.path.join(log_dir, 'llvm-cov.sh') |
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with open(llvm_cov_shim_path, 'w', encoding='utf-8') as llvm_cov_sh: |
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llvm_cov_sh.write(f'#!/usr/bin/env sh\nexec "{llvm_cov_exe}" gcov $@') |
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os.chmod(llvm_cov_shim_path, os.stat(llvm_cov_shim_path).st_mode | stat.S_IEXEC) |
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gcov_tool_args = ['--gcov-tool', llvm_cov_shim_path] |
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else: |
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gcov_tool_args = [] |
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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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lcov_config + |
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gcov_tool_args) |
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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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*lcov_exe_rc_branch_coverage] + |
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lcov_config + |
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gcov_tool_args) |
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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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*lcov_exe_rc_branch_coverage, |
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'-o', raw_tracefile] + lcov_config) |
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# Remove all directories outside the source_root from the covinfo |
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subprocess.check_call([lcov_exe, |
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'--extract', raw_tracefile, |
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os.path.join(source_root, '*'), |
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*lcov_exe_rc_branch_coverage, |
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'--output-file', covinfo] + lcov_config) |
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# Remove all directories inside subproject dir |
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subprocess.check_call([lcov_exe, |
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'--remove', covinfo, |
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*lcov_subpoject_exclude, |
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*lcov_exe_rc_branch_coverage, |
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'--ignore-errors', 'unused', |
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'--output-file', covinfo] + lcov_config) |
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subprocess.check_call([genhtml_exe, |
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'--prefix', build_root, |
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'--prefix', source_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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outfiles.append(('Html', pathlib.Path(htmloutdir, 'index.html'))) |
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elif gcovr_exe and mesonlib.version_compare(gcovr_version, '>=3.3'): |
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htmloutdir = os.path.join(log_dir, 'coveragereport') |
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if not os.path.isdir(htmloutdir): |
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os.mkdir(htmloutdir) |
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subprocess.check_call(gcovr_base_cmd + gcovr_config + |
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['--html', |
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'--html-details', |
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'--print-summary', |
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'-o', os.path.join(htmloutdir, 'index.html'), |
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] + gcov_exe_args) |
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outfiles.append(('Html', pathlib.Path(htmloutdir, 'index.html'))) |
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elif outputs: |
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print('lcov/genhtml or gcovr >= 3.3 needed to generate Html coverage report') |
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exitcode = 1 |
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if not outputs and not outfiles: |
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print('Need gcovr or lcov/genhtml to generate any coverage reports') |
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exitcode = 1 |
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if outfiles: |
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print('') |
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for (filetype, path) in outfiles: |
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print(filetype + ' coverage report can be found at', path.as_uri()) |
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return exitcode |
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def run(args: T.List[str]) -> int: |
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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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parser = argparse.ArgumentParser(description='Generate coverage reports') |
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parser.add_argument('--text', dest='outputs', action='append_const', |
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const='text', help='generate Text report') |
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parser.add_argument('--xml', dest='outputs', action='append_const', |
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const='xml', help='generate Xml report') |
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parser.add_argument('--sonarqube', dest='outputs', action='append_const', |
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const='sonarqube', help='generate Sonarqube Xml report') |
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parser.add_argument('--html', dest='outputs', action='append_const', |
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const='html', help='generate Html report') |
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parser.add_argument('--use_llvm_cov', action='store_true', |
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help='use llvm-cov') |
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parser.add_argument('source_root') |
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parser.add_argument('subproject_root') |
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parser.add_argument('build_root') |
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parser.add_argument('log_dir') |
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options = parser.parse_args(args) |
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return coverage(options.outputs, options.source_root, |
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options.subproject_root, options.build_root, |
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options.log_dir, options.use_llvm_cov) |
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if __name__ == '__main__': |
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sys.exit(run(sys.argv[1:]))
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