def _ConfigureLLVMCoverageTools(args):
"""Configures llvm coverage tools."""
if args.coverage_tools_dir:
llvm_bin_dir = coverage_utils.GetFullPath(args.coverage_tools_dir)
global LLVM_COV_PATH
global LLVM_PROFDATA_PATH
LLVM_COV_PATH = os.path.join(llvm_bin_dir, 'llvm-cov')
LLVM_PROFDATA_PATH = os.path.join(llvm_bin_dir, 'llvm-profdata')
else:
update_clang_coverage_tools.DownloadCoverageToolsIfNeeded()
coverage_tools_exist = (os.path.exists(LLVM_COV_PATH)
and os.path.exists(LLVM_PROFDATA_PATH))
assert coverage_tools_exist, (
'Cannot find coverage tools, please make sure '
'both \'%s\' and \'%s\' exist.') % (LLVM_COV_PATH, LLVM_PROFDATA_PATH)
def Main():
"""Execute tool commands."""
# Setup coverage binaries even when script is called with empty params. This
# is used by coverage bot for initial setup.
if len(sys.argv) == 1:
update_clang_coverage_tools.DownloadCoverageToolsIfNeeded()
print(__doc__)
return
# Change directory to source root to aid in relative paths calculations.
global SRC_ROOT_PATH
SRC_ROOT_PATH = coverage_utils.GetFullPath(
os.path.join(os.path.dirname(__file__), os.path.pardir,
os.path.pardir))
os.chdir(SRC_ROOT_PATH)
args = _ParseCommandArguments()
coverage_utils.ConfigureLogging(verbose=args.verbose,
log_file=args.log_file)
_ConfigureLLVMCoverageTools(args)
global BUILD_DIR
BUILD_DIR = coverage_utils.GetFullPath(args.build_dir)
global OUTPUT_DIR
OUTPUT_DIR = coverage_utils.GetFullPath(args.output_dir)
assert args.web_tests or args.command or args.profdata_file, (
'Need to either provide commands to run using -c/--command option OR '
'provide prof-data file as input using -p/--profdata-file option OR '
'run web tests using -wt/--run-web-tests.')
assert not args.command or (len(args.targets) == len(args.command)), (
'Number of targets must be equal to the number of test commands.')
assert os.path.exists(BUILD_DIR), ('Build directory: "%s" doesn\'t exist. '
'Please run "gn gen" to generate.' %
BUILD_DIR)
_ValidateCurrentPlatformIsSupported()
_ValidateBuildingWithClangCoverage()
absolute_filter_paths = []
if args.filters:
absolute_filter_paths = _VerifyPathsAndReturnAbsolutes(args.filters)
_SetupOutputDir()
# Get .profdata file and list of binary paths.
if args.web_tests:
commands = [_GetCommandForWebTests(args.web_tests)]
profdata_file_path = _CreateCoverageProfileDataForTargets(
args.targets, commands, args.jobs)
binary_paths = [_GetBinaryPathForWebTests()]
elif args.command:
for i in range(len(args.command)):
assert not 'run_web_tests.py' in args.command[i], (
'run_web_tests.py is not supported via --command argument. '
'Please use --run-web-tests argument instead.')
# A list of commands are provided. Run them to generate profdata file, and
# create a list of binary paths from parsing commands.
_VerifyTargetExecutablesAreInBuildDirectory(args.command)
profdata_file_path = _CreateCoverageProfileDataForTargets(
args.targets, args.command, args.jobs)
binary_paths = [_GetBinaryPath(command) for command in args.command]
else:
# An input prof-data file is already provided. Just calculate binary paths.
profdata_file_path = args.profdata_file
binary_paths = _GetBinaryPathsFromTargets(args.targets, args.build_dir)
# If the checkout uses the hermetic xcode binaries, then otool must be
# directly invoked. The indirection via /usr/bin/otool won't work unless
# there's an actual system install of Xcode.
otool_path = None
if sys.platform == 'darwin':
hermetic_otool_path = os.path.join(SRC_ROOT_PATH, 'build', 'mac_files',
'xcode_binaries', 'Contents',
'Developer', 'Toolchains',
'XcodeDefault.xctoolchain', 'usr',
'bin', 'otool')
if os.path.exists(hermetic_otool_path):
otool_path = hermetic_otool_path
binary_paths.extend(
coverage_utils.GetSharedLibraries(binary_paths, BUILD_DIR, otool_path))
logging.info(
'Generating code coverage report in html (this can take a while '
'depending on size of target!).')
per_file_summary_data = _GeneratePerFileCoverageSummary(
binary_paths, profdata_file_path, absolute_filter_paths,
args.ignore_filename_regex)
_GeneratePerFileLineByLineCoverageInHtml(binary_paths, profdata_file_path,
absolute_filter_paths,
args.ignore_filename_regex)
component_mappings = None
if not args.no_component_view:
component_mappings = json.load(urllib2.urlopen(COMPONENT_MAPPING_URL))
# Call prepare here.
processor = coverage_utils.CoverageReportPostProcessor(
OUTPUT_DIR,
SRC_ROOT_PATH,
per_file_summary_data,
no_component_view=args.no_component_view,
no_file_view=args.no_file_view,
component_mappings=component_mappings)
processor.PrepareHtmlReport()