| # Copyright 2019 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.common_lib.cros import arc |
| from autotest_lib.client.cros.enterprise import enterprise_policy_base |
| |
| |
| class policy_ArcExternalStorageDisabled( |
| enterprise_policy_base.EnterprisePolicyTest): |
| version = 1 |
| |
| POLICY_NAME = 'ExternalStorageDisabled' |
| TEST_CASES = { |
| 'True_Block': True, |
| 'False_Allow': False, |
| 'NotSet_Allow': None |
| } |
| |
| def _test_arc_external_storage(self, policy_value): |
| """ |
| Verify the behavior of the ExternalStorageDisabled policy on ARC. |
| |
| Check the /storage directory and verify that it is empty if the |
| policy disables access to external storage, or not empty if external |
| storage is allowed. |
| |
| @param policy_value: policy value for this case. |
| |
| @raises error.TestFail: If the contents of the /media/removable |
| directory do not match the policy behavior. |
| |
| """ |
| |
| arc_dirs = set(arc.adb_shell('ls /storage').split()) |
| |
| base_dirs = set(['emulated', 'self', 'MyFiles']) |
| |
| usb_parts = arc_dirs - base_dirs |
| if policy_value: |
| if usb_parts: |
| raise error.TestFail('External storage was disabled but ' |
| 'external storage detected') |
| elif not usb_parts: |
| raise error.TestFail('External storage enabled but external ' |
| 'storage not found') |
| |
| def run_once(self, case): |
| """ |
| Setup and run the test configured for the specified test case. |
| |
| @param case: Name of the test case to run. |
| |
| """ |
| case_value = self.TEST_CASES[case] |
| pol = {'ArcEnabled': True, |
| 'ExternalStorageDisabled': case_value} |
| self.setup_case(user_policies=pol, |
| arc_mode='enabled', |
| use_clouddpc_test=False) |
| self._test_arc_external_storage(case_value) |
