blob: 2fa91c9abf331be90a327e3898bf47bc7b94d1b3 [file] [log] [blame]
# Copyright 2015 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.
import common
from autotest_lib.client.common_lib import error
from autotest_lib.server import test
class brillo_Invariants(test.test):
"""Check for things that should look the same on all Brillo devices."""
version = 1
def assert_path_test(self, path, test, negative=False):
"""Performs a test against a path.
See the man page for test(1) for valid tests (e.g. -e, -b, -d).
@param path: the path to check.
@param test: the test to perform, without leading dash.
@param negative: if True, test for the negative.
"""'test %s -%s %s' % ('!' if negative else '', test, path))
def assert_selinux_context(self, path, ctx):
"""Checks the selinux context of a path.
@param path: the path to check.
@param ctx: the selinux context to check for.
@raises error.TestFail
# Example output of 'ls -LZ /dev/block/by-name/misc' is:
# u:object_r:misc_block_device:s0 /dev/block/by-name/misc
tokens ='ls -LZ %s' % path).split()
path_ctx = tokens[0]
if not ctx in path_ctx:
raise error.TestFail('Context "%s" for path "%s" does not '
'contain "%s"' % (path_ctx, path, ctx))
def check_fstab_name(self):
"""Checks that the fstab file has the name /fstab.<ro.hardware>.
hardware ='getprop ro.hardware')
self.assert_path_test('/fstab.%s' % hardware, 'e')
self.assert_path_test('/fstab.device', 'e', negative=True)
def check_block_devices(self):
"""Checks required devices in /dev/block/by-name/ and their context.
ctx = 'boot_block_device'
self.assert_selinux_context('/dev/block/by-name/boot_a', ctx)
self.assert_selinux_context('/dev/block/by-name/boot_b', ctx)
ctx = 'system_block_device'
self.assert_selinux_context('/dev/block/by-name/system_a', ctx)
self.assert_selinux_context('/dev/block/by-name/system_b', ctx)
ctx = 'misc_block_device'
self.assert_selinux_context('/dev/block/by-name/misc', ctx)
self.assert_path_test('/dev/block/by-name/userdata', 'b')
def run_once(self, host=None):
"""Check for things that should look the same on all Brillo devices.
@param dut: host object representing the device under test.
""" = host