blob: 057827d8e41a53e42c862b02fb14b06759a6124c [file] [log] [blame]
# Copyright (c) 2011 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 logging
import json
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros.cros_disks import CrosDisksTester
from autotest_lib.client.cros.cros_disks import VirtualFilesystemImage
from autotest_lib.client.cros.cros_disks import DefaultFilesystemTestContent
class CrosDisksFormatTester(CrosDisksTester):
"""A tester to verify format support in CrosDisks.
def __init__(self, test, test_configs):
super(CrosDisksFormatTester, self).__init__(test)
self._test_configs = test_configs
def _run_test_config(self, config):'Testing "%s"', config['description'])
is_experimental = config.get('experimental_features_enabled', False)
filesystem_type = config['filesystem_type']
format_options = config.get('format_options')
# Create a zero-filled virtual filesystem image to help stimulate
# a removable drive.
with VirtualFilesystemImage(
filesystem_type=filesystem_type) as image:
# Attach the zero-filled virtual filesystem image to a loop device
# without actually formatting it.
device_file = image.attach_to_loop_device()
self.cros_disks.experimental_features_enabled = is_experimental
# Format the virtual filesystem image via CrosDisks.
self.cros_disks.format(device_file, filesystem_type, format_options)
expected_format_completion = {
'path': device_file
if 'expected_format_status' in config:
expected_format_completion['status'] = \
result = self.cros_disks.expect_format_completion(
if result['status'] == 0:
# Test creating and verifying content the formatted device."Test filesystem access on formatted device")
test_content = DefaultFilesystemTestContent()
mount_path = image.mount()
if not test_content.create(mount_path):
raise error.TestFail("Failed to create test content")
if not test_content.verify(mount_path):
raise error.TestFail("Failed to verify test content")
def test_using_virtual_filesystem_image(self):
experimental = self.cros_disks.experimental_features_enabled
for config in self._test_configs:
# Always restore the original value of ExperimentalFeaturesEnabled
# property, so cros-disks maintains in the same state of support
# experimental features before and after tests.
self.cros_disks.experimental_features_enabled = experimental
def get_tests(self):
return [self.test_using_virtual_filesystem_image]
class platform_CrosDisksFormat(test.test):
version = 1
def run_once(self, *args, **kwargs):
test_configs = []
config_file = '%s/%s' % (self.bindir, kwargs['config_file'])
with open(config_file, 'rb') as f:
tester = CrosDisksFormatTester(self, test_configs)*args, **kwargs)