ansible/test/runner/lib/sanity/import.py

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"""Sanity test for proper import exception handling."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import lib.types as t
from lib.sanity import (
SanityMultipleVersion,
SanityMessage,
SanityFailure,
SanitySuccess,
)
from lib.target import (
TestTarget,
)
from lib.util import (
SubprocessError,
remove_tree,
display,
find_python,
parse_to_list_of_dict,
make_dirs,
is_subdir,
)
from lib.util_common import (
intercept_command,
run_command,
)
from lib.ansible_util import (
ansible_environment,
)
from lib.executor import (
generate_pip_install,
)
from lib.config import (
SanityConfig,
)
from lib.coverage_util import (
coverage_context,
)
from lib.data import (
data_context,
ANSIBLE_ROOT,
)
class ImportTest(SanityMultipleVersion):
"""Sanity test for proper import exception handling."""
def filter_targets(self, targets): # type: (t.List[TestTarget]) -> t.List[TestTarget]
"""Return the given list of test targets, filtered to include only those relevant for the test."""
return [target for target in targets if os.path.splitext(target.path)[1] == '.py' and
(is_subdir(target.path, data_context().content.module_path) or is_subdir(target.path, data_context().content.module_utils_path))]
def test(self, args, targets, python_version):
"""
:type args: SanityConfig
:type targets: SanityTargets
:type python_version: str
:rtype: TestResult
"""
settings = self.load_processor(args, python_version)
paths = [target.path for target in targets.include]
env = ansible_environment(args, color=False)
# create a clean virtual environment to minimize the available imports beyond the python standard library
virtual_environment_path = os.path.abspath('test/runner/.tox/minimal-py%s' % python_version.replace('.', ''))
virtual_environment_bin = os.path.join(virtual_environment_path, 'bin')
remove_tree(virtual_environment_path)
python = find_python(python_version)
cmd = [python, '-m', 'virtualenv', virtual_environment_path, '--python', python, '--no-setuptools', '--no-wheel']
if not args.coverage:
cmd.append('--no-pip')
run_command(args, cmd, capture=True)
# add the importer to our virtual environment so it can be accessed through the coverage injector
importer_path = os.path.join(virtual_environment_bin, 'importer.py')
if not args.explain:
os.symlink(os.path.abspath(os.path.join(ANSIBLE_ROOT, 'test/sanity/import/importer.py')), importer_path)
# create a minimal python library
python_path = os.path.abspath('test/runner/.tox/import/lib')
ansible_path = os.path.join(python_path, 'ansible')
ansible_init = os.path.join(ansible_path, '__init__.py')
ansible_link = os.path.join(ansible_path, 'module_utils')
if not args.explain:
remove_tree(ansible_path)
make_dirs(ansible_path)
with open(ansible_init, 'w'):
pass
os.symlink(os.path.join(ANSIBLE_ROOT, 'lib/ansible/module_utils'), ansible_link)
if data_context().content.collection:
# inject just enough Ansible code for the collections loader to work on all supported Python versions
# the __init__.py files are needed only for Python 2.x
# the empty modules directory is required for the collection loader to generate the synthetic packages list
make_dirs(os.path.join(ansible_path, 'utils'))
with open(os.path.join(ansible_path, 'utils/__init__.py'), 'w'):
pass
os.symlink(os.path.join(ANSIBLE_ROOT, 'lib/ansible/utils/collection_loader.py'), os.path.join(ansible_path, 'utils/collection_loader.py'))
os.symlink(os.path.join(ANSIBLE_ROOT, 'lib/ansible/utils/singleton.py'), os.path.join(ansible_path, 'utils/singleton.py'))
make_dirs(os.path.join(ansible_path, 'modules'))
with open(os.path.join(ansible_path, 'modules/__init__.py'), 'w'):
pass
# activate the virtual environment
env['PATH'] = '%s:%s' % (virtual_environment_bin, env['PATH'])
env['PYTHONPATH'] = python_path
# make sure coverage is available in the virtual environment if needed
if args.coverage:
run_command(args, generate_pip_install(['pip'], 'sanity.import', packages=['setuptools']), env=env)
run_command(args, generate_pip_install(['pip'], 'sanity.import', packages=['coverage']), env=env)
run_command(args, ['pip', 'uninstall', '--disable-pip-version-check', '-y', 'setuptools'], env=env)
run_command(args, ['pip', 'uninstall', '--disable-pip-version-check', '-y', 'pip'], env=env)
cmd = ['importer.py']
data = '\n'.join(paths)
display.info(data, verbosity=4)
results = []
virtualenv_python = os.path.join(virtual_environment_bin, 'python')
try:
with coverage_context(args):
stdout, stderr = intercept_command(args, cmd, self.name, env, capture=True, data=data, python_version=python_version,
virtualenv=virtualenv_python)
if stdout or stderr:
raise SubprocessError(cmd, stdout=stdout, stderr=stderr)
except SubprocessError as ex:
if ex.status != 10 or ex.stderr or not ex.stdout:
raise
pattern = r'^(?P<path>[^:]*):(?P<line>[0-9]+):(?P<column>[0-9]+): (?P<message>.*)$'
results = parse_to_list_of_dict(pattern, ex.stdout)
results = [SanityMessage(
message=r['message'],
path=r['path'],
line=int(r['line']),
column=int(r['column']),
) for r in results]
results = settings.process_errors(results, paths)
if results:
return SanityFailure(self.name, messages=results, python_version=python_version)
return SanitySuccess(self.name, python_version=python_version)