platform_system_sepolicy/tests/apex_sepolicy_tests_test.py
Jooyung Han 23d1e626c3 Add apex_sepolicy_tests
This is to prevent common mistakes when building an APEX. For example,
etc/vintf should be read-able by servicemanager.

Bug: 267269895
Test: apex_sepolicy_tests -f <(deapexer list --dir -Z foo.apex)
Test: atest apex_sepolicy_tests_test
Change-Id: I2e86096add1bb4c9daa0e841b10732c16a09efa3
2023-04-07 10:13:35 +09:00

93 lines
3.4 KiB
Python

# Copyright 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for apex_sepolicy_tests"""
import re
import shutil
import tempfile
import unittest
import apex_sepolicy_tests as apex
import policy
# pylint: disable=missing-docstring
class ApexSepolicyTests(unittest.TestCase):
@classmethod
def setUpClass(cls) -> None:
cls.temp_dir = tempfile.mkdtemp()
lib_path = apex.extract_data(apex.LIBSEPOLWRAP, cls.temp_dir)
policy_path = apex.extract_data('precompiled_sepolicy', cls.temp_dir)
cls.pol = policy.Policy(policy_path, None, lib_path)
@classmethod
def tearDownClass(cls) -> None:
shutil.rmtree(cls.temp_dir)
# helpers
@property
def pol(self):
return self.__class__.pol
def assert_ok(self, line: str):
errors = apex.check_line(self.pol, line)
self.assertEqual(errors, [], "Should be no errors")
def assert_error(self, line: str, expected_error: str):
pattern = re.compile(expected_error)
errors = apex.check_line(self.pol, line)
for err in errors:
if re.search(pattern, err):
return
self.fail(f"Expected error '{expected_error}' is not found in {errors}")
# tests
def test_parse_lines(self):
self.assert_ok('# commented line')
self.assert_ok('') # empty line
self.assert_error('./path1 invalid_contexts',
r'Error: invalid file_contexts: .*')
self.assert_error('./path1 u:object_r:vendor_file',
r'Error: invalid file_contexts: .*')
self.assert_ok('./path1 u:object_r:vendor_file:s0')
def test_vintf(self):
self.assert_ok('./etc/vintf/fragment.xml u:object_r:vendor_configs_file:s0')
self.assert_error('./etc/vintf/fragment.xml u:object_r:vendor_file:s0',
r'Error: \./etc/vintf/fragment\.xml: .* can\'t read')
def test_permissions(self):
self.assert_ok('./etc/permissions/permisssion.xml u:object_r:vendor_configs_file:s0')
self.assert_error('./etc/permissions/permisssion.xml u:object_r:vendor_file:s0',
r'Error: \./etc/permissions/permisssion.xml: .* can\'t read')
def test_initscripts(self):
# init reads .rc file
self.assert_ok('./etc/init.rc u:object_r:vendor_file:s0')
self.assert_error('./etc/init.rc u:object_r:unknown:s0',
r'Error: .* can\'t read')
# init reads .#rc file
self.assert_ok('./etc/init.32rc u:object_r:vendor_file:s0')
self.assert_error('./etc/init.32rc u:object_r:unknown:s0',
r'Error: .* can\'t read')
# init skips file with unknown extension => no errors
self.assert_ok('./etc/init.x32rc u:object_r:vendor_file:s0')
self.assert_ok('./etc/init.x32rc u:object_r:unknown:s0')
if __name__ == '__main__':
unittest.main(verbosity=2)