#!/usr/bin/env vpython3
# Copyright 2013 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Aggregates Jacoco coverage files to produce output."""
import argparse
import fnmatch
import json
import os
import sys
import devil_chromium
from devil.utils import cmd_helper
from pylib.constants import host_paths
# Source paths should be passed to Jacoco in a way that the relative file paths
# reflect the class package name.
_PARTIAL_PACKAGE_NAMES = ['com/google', 'org/chromium']
# The sources_json_file is generated by jacoco_instr.py with source directories
# and input path to non-instrumented jars.
# e.g.
# 'source_dirs': [
# "chrome/android/java/src/org/chromium/chrome/browser/toolbar/bottom",
# "chrome/android/java/src/org/chromium/chrome/browser/ui/system",
# ...]
# 'input_path':
# '$CHROMIUM_OUTPUT_DIR/\
# obj/chrome/android/features/tab_ui/java__process_prebuilt-filtered.jar'
_SOURCES_JSON_FILES_SUFFIX = '__jacoco_sources.json'
def _CreateClassfileArgs(class_files, report_type, include_substr=None):
"""Returns a filtered list of files with classfile option.
Args:
class_files: A list of class files.
report_type: A string indicating if device or host files are desired.
include_substr: A substring that must be present to include the file.
Returns:
A list of files that don't use the suffix.
"""
# These should match the jar class files generated in internal_rules.gni
search_jar_suffix = '%s.filter.jar' % report_type
result_class_files = []
for f in class_files:
include_file = False
if f.endswith(search_jar_suffix):
include_file = True
# If include_substr is specified, remove files that don't have the
# required substring.
if include_file and include_substr and include_substr not in f:
include_file = False
if include_file:
result_class_files += ['--classfiles', f]
return result_class_files
def _GenerateReportOutputArgs(args, class_files, report_type):
cmd = _CreateClassfileArgs(class_files, report_type,
args.include_substr_filter)
if args.format == 'html':
report_dir = os.path.join(args.output_dir, report_type)
if not os.path.exists(report_dir):
os.makedirs(report_dir)
cmd += ['--html', report_dir]
elif args.format == 'xml':
cmd += ['--xml', args.output_file]
elif args.format == 'csv':
cmd += ['--csv', args.output_file]
return cmd
def _GetFilesWithSuffix(root_dir, suffix):
"""Gets all files with a given suffix.
Args:
root_dir: Directory in which to search for files.
suffix: Suffix to look for.
Returns:
A list of absolute paths to files that match.
"""
files = []
for root, _, filenames in os.walk(root_dir):
basenames = fnmatch.filter(filenames, '*' + suffix)
files.extend([os.path.join(root, basename) for basename in basenames])
return files
def _GetExecFiles(root_dir, exclude_substr=None):
""" Gets all .exec files
Args:
root_dir: Root directory in which to search for files.
exclude_substr: Substring which should be absent in filename. If None, all
files are selected.
Returns:
A list of absolute paths to .exec files
"""
all_exec_files = _GetFilesWithSuffix(root_dir, ".exec")
valid_exec_files = []
for exec_file in all_exec_files:
if not exclude_substr or exclude_substr not in exec_file:
valid_exec_files.append(exec_file)
return valid_exec_files
def _ParseArguments(parser):
"""Parses the command line arguments.
Args:
parser: ArgumentParser object.
Returns:
The parsed arguments.
"""
parser.add_argument(
'--format',
required=True,
choices=['html', 'xml', 'csv'],
help='Output report format. Choose one from html, xml and csv.')
parser.add_argument(
'--device-or-host',
choices=['device', 'host'],
help='Selection on whether to use the device classpath files or the '
'host classpath files. Host would typically be used for junit tests '
' and device for tests that run on the device. Only used for xml and csv'
' reports.')
parser.add_argument('--include-substr-filter',
help='Substring that must be included in classjars.',
type=str,
default='')
parser.add_argument('--output-dir', help='html report output directory.')
parser.add_argument('--output-file',
help='xml file to write device coverage results.')
parser.add_argument(
'--coverage-dir',
required=True,
help='Root of the directory in which to search for '
'coverage data (.exec) files.')
parser.add_argument('--exec-filename-excludes',
required=False,
help='Excludes .exec files which contain a particular '
'substring in their name')
parser.add_argument(
'--sources-json-dir',
help='Root of the directory in which to search for '
'*__jacoco_sources.json files.')
parser.add_argument(
'--class-files',
nargs='+',
help='Location of Java non-instrumented class files. '
'Use non-instrumented jars instead of instrumented jars. '
'e.g. use chrome_java__process_prebuilt_(host/device)_filter.jar instead'
'of chrome_java__process_prebuilt-instrumented.jar')
parser.add_argument(
'--sources',
nargs='+',
help='Location of the source files. '
'Specified source folders must be the direct parent of the folders '
'that define the Java packages.'
'e.g. <src_dir>/chrome/android/java/src/')
parser.add_argument(
'--cleanup',
action='store_true',
help='If set, removes coverage files generated at '
'runtime.')
args = parser.parse_args()
if args.format == 'html' and not args.output_dir:
parser.error('--output-dir needed for report.')
if args.format in ('csv', 'xml'):
if not args.output_file:
parser.error('--output-file needed for xml/csv reports.')
if not args.device_or_host and args.sources_json_dir:
parser.error('--device-or-host selection needed with --sources-json-dir')
if not (args.sources_json_dir or args.class_files):
parser.error('At least either --sources-json-dir or --class-files needed.')
return args
def main():
parser = argparse.ArgumentParser()
args = _ParseArguments(parser)
devil_chromium.Initialize()
coverage_files = _GetExecFiles(args.coverage_dir, args.exec_filename_excludes)
if not coverage_files:
parser.error('No coverage file found under %s' % args.coverage_dir)
print('Found coverage files: %s' % str(coverage_files))
class_files = []
source_dirs = []
if args.sources_json_dir:
sources_json_files = _GetFilesWithSuffix(args.sources_json_dir,
_SOURCES_JSON_FILES_SUFFIX)
for f in sources_json_files:
with open(f, 'r') as json_file:
data = json.load(json_file)
class_files.extend(data['input_path'])
source_dirs.extend(data['source_dirs'])
# Fix source directories as direct parent of Java packages.
fixed_source_dirs = set()
for path in source_dirs:
for partial in _PARTIAL_PACKAGE_NAMES:
if partial in path:
fixed_dir = os.path.join(host_paths.DIR_SOURCE_ROOT,
path[:path.index(partial)])
fixed_source_dirs.add(fixed_dir)
break
if args.class_files:
class_files += args.class_files
if args.sources:
fixed_source_dirs.update(args.sources)
cmd = [
'java', '-jar',
os.path.join(host_paths.DIR_SOURCE_ROOT, 'third_party', 'jacoco', 'cipd',
'lib', 'jacococli.jar'), 'report'
] + coverage_files
for source in fixed_source_dirs:
cmd += ['--sourcefiles', source]
if args.format == 'html':
# Both reports are generated for html as the cq bot generates an html
# report and we wouldn't know which one a developer needed.
device_cmd = cmd + _GenerateReportOutputArgs(args, class_files, 'device')
host_cmd = cmd + _GenerateReportOutputArgs(args, class_files, 'host')
device_exit_code = cmd_helper.RunCmd(device_cmd)
host_exit_code = cmd_helper.RunCmd(host_cmd)
exit_code = device_exit_code or host_exit_code
else:
cmd = cmd + _GenerateReportOutputArgs(args, class_files,
args.device_or_host)
exit_code = cmd_helper.RunCmd(cmd)
if args.cleanup:
for f in coverage_files:
os.remove(f)
# Command tends to exit with status 0 when it actually failed.
if not exit_code:
if args.format == 'html':
if not os.path.isdir(args.output_dir) or not os.listdir(args.output_dir):
print('No report generated at %s' % args.output_dir)
exit_code = 1
elif not os.path.isfile(args.output_file):
print('No device coverage report generated at %s' % args.output_file)
exit_code = 1
return exit_code
if __name__ == '__main__':
sys.exit(main())
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