ansible/test/runner/lib/cover.py
Matt Clay c9f549e9c1 Fix integration test script coverage reporting.
Code coverage reporting was ignoring scripts executed during integration
tests when those scripts resided in the temporary working directory used
during an integration test run.
2019-02-26 10:21:02 -08:00

280 lines
9.1 KiB
Python

"""Code coverage utilities."""
from __future__ import absolute_import, print_function
import os
import re
from lib.target import (
walk_module_targets,
walk_compile_targets,
)
from lib.util import (
display,
ApplicationError,
run_command,
common_environment,
)
from lib.config import (
CoverageConfig,
CoverageReportConfig,
)
from lib.executor import (
Delegate,
install_command_requirements,
)
COVERAGE_DIR = 'test/results/coverage'
COVERAGE_FILE = os.path.join(COVERAGE_DIR, 'coverage')
COVERAGE_GROUPS = ('command', 'target', 'environment', 'version')
def command_coverage_combine(args):
"""Patch paths in coverage files and merge into a single file.
:type args: CoverageConfig
:rtype: list[str]
"""
coverage = initialize_coverage(args)
modules = dict((t.module, t.path) for t in list(walk_module_targets()) if t.path.endswith('.py'))
coverage_files = [os.path.join(COVERAGE_DIR, f) for f in os.listdir(COVERAGE_DIR) if '=coverage.' in f]
ansible_path = os.path.abspath('lib/ansible/') + '/'
root_path = os.getcwd() + '/'
counter = 0
groups = {}
if args.all or args.stub:
sources = sorted(os.path.abspath(target.path) for target in walk_compile_targets())
else:
sources = []
if args.stub:
groups['=stub'] = dict((source, set()) for source in sources)
for coverage_file in coverage_files:
counter += 1
display.info('[%4d/%4d] %s' % (counter, len(coverage_files), coverage_file), verbosity=2)
original = coverage.CoverageData()
group = get_coverage_group(args, coverage_file)
if group is None:
display.warning('Unexpected name for coverage file: %s' % coverage_file)
continue
if os.path.getsize(coverage_file) == 0:
display.warning('Empty coverage file: %s' % coverage_file)
continue
try:
original.read_file(coverage_file)
except Exception as ex: # pylint: disable=locally-disabled, broad-except
display.error(u'%s' % ex)
continue
for filename in original.measured_files():
arcs = set(original.arcs(filename) or [])
if not arcs:
# This is most likely due to using an unsupported version of coverage.
display.warning('No arcs found for "%s" in coverage file: %s' % (filename, coverage_file))
continue
if '/ansible_modlib.zip/ansible/' in filename:
# Rewrite the module_utils path from the remote host to match the controller. Ansible 2.6 and earlier.
new_name = re.sub('^.*/ansible_modlib.zip/ansible/', ansible_path, filename)
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
elif re.search(r'/ansible_[^/]+_payload\.zip/ansible/', filename):
# Rewrite the module_utils path from the remote host to match the controller. Ansible 2.7 and later.
new_name = re.sub(r'^.*/ansible_[^/]+_payload\.zip/ansible/', ansible_path, filename)
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
elif '/ansible_module_' in filename:
# Rewrite the module path from the remote host to match the controller. Ansible 2.6 and earlier.
module_name = re.sub('^.*/ansible_module_(?P<module>.*).py$', '\\g<module>', filename)
if module_name not in modules:
display.warning('Skipping coverage of unknown module: %s' % module_name)
continue
new_name = os.path.abspath(modules[module_name])
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
elif re.search(r'/ansible_[^/]+_payload(_[^/]+|\.zip)/__main__\.py$', filename):
# Rewrite the module path from the remote host to match the controller. Ansible 2.7 and later.
# AnsiballZ versions using zipimporter will match the `.zip` portion of the regex.
# AnsiballZ versions not using zipimporter will match the `_[^/]+` portion of the regex.
module_name = re.sub(r'^.*/ansible_(?P<module>[^/]+)_payload(_[^/]+|\.zip)/__main__\.py$', '\\g<module>', filename).rstrip('_')
if module_name not in modules:
display.warning('Skipping coverage of unknown module: %s' % module_name)
continue
new_name = os.path.abspath(modules[module_name])
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
elif re.search('^(/.*?)?/root/ansible/', filename):
# Rewrite the path of code running on a remote host or in a docker container as root.
new_name = re.sub('^(/.*?)?/root/ansible/', root_path, filename)
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
elif '/.ansible/test/tmp/' in filename:
# Rewrite the path of code running from an integration test temporary directory.
new_name = re.sub(r'^.*/\.ansible/test/tmp/[^/]+/', root_path, filename)
display.info('%s -> %s' % (filename, new_name), verbosity=3)
filename = new_name
if group not in groups:
groups[group] = {}
arc_data = groups[group]
if filename not in arc_data:
arc_data[filename] = set()
arc_data[filename].update(arcs)
output_files = []
for group in sorted(groups):
arc_data = groups[group]
updated = coverage.CoverageData()
for filename in arc_data:
if not os.path.isfile(filename):
display.warning('Invalid coverage path: %s' % filename)
continue
updated.add_arcs({filename: list(arc_data[filename])})
if args.all:
updated.add_arcs(dict((source, []) for source in sources))
if not args.explain:
output_file = COVERAGE_FILE + group
updated.write_file(output_file)
output_files.append(output_file)
return sorted(output_files)
def command_coverage_report(args):
"""
:type args: CoverageReportConfig
"""
output_files = command_coverage_combine(args)
for output_file in output_files:
if args.group_by or args.stub:
display.info('>>> Coverage Group: %s' % ' '.join(os.path.basename(output_file).split('=')[1:]))
options = []
if args.show_missing:
options.append('--show-missing')
if args.include:
options.extend(['--include', args.include])
if args.omit:
options.extend(['--omit', args.omit])
env = common_environment()
env.update(dict(COVERAGE_FILE=output_file))
run_command(args, env=env, cmd=['coverage', 'report'] + options)
def command_coverage_html(args):
"""
:type args: CoverageConfig
"""
output_files = command_coverage_combine(args)
for output_file in output_files:
dir_name = 'test/results/reports/%s' % os.path.basename(output_file)
env = common_environment()
env.update(dict(COVERAGE_FILE=output_file))
run_command(args, env=env, cmd=['coverage', 'html', '-i', '-d', dir_name])
def command_coverage_xml(args):
"""
:type args: CoverageConfig
"""
output_files = command_coverage_combine(args)
for output_file in output_files:
xml_name = 'test/results/reports/%s.xml' % os.path.basename(output_file)
env = common_environment()
env.update(dict(COVERAGE_FILE=output_file))
run_command(args, env=env, cmd=['coverage', 'xml', '-i', '-o', xml_name])
def command_coverage_erase(args):
"""
:type args: CoverageConfig
"""
initialize_coverage(args)
for name in os.listdir(COVERAGE_DIR):
if not name.startswith('coverage') and '=coverage.' not in name:
continue
path = os.path.join(COVERAGE_DIR, name)
if not args.explain:
os.remove(path)
def initialize_coverage(args):
"""
:type args: CoverageConfig
:rtype: coverage
"""
if args.delegate:
raise Delegate()
if args.requirements:
install_command_requirements(args)
try:
import coverage
except ImportError:
coverage = None
if not coverage:
raise ApplicationError('You must install the "coverage" python module to use this command.')
return coverage
def get_coverage_group(args, coverage_file):
"""
:type args: CoverageConfig
:type coverage_file: str
:rtype: str
"""
parts = os.path.basename(coverage_file).split('=', 4)
if len(parts) != 5 or not parts[4].startswith('coverage.'):
return None
names = dict(
command=parts[0],
target=parts[1],
environment=parts[2],
version=parts[3],
)
group = ''
for part in COVERAGE_GROUPS:
if part in args.group_by:
group += '=%s' % names[part]
return group