1 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 import json 7 8 from autotest_lib.client.bin import test 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.client.cros.cros_disks import CrosDisksTester 11 from autotest_lib.client.cros.cros_disks import VirtualFilesystemImage 12 from autotest_lib.client.cros.cros_disks import DefaultFilesystemTestContent 13 14 15 class CrosDisksFormatTester(CrosDisksTester): 16 """A tester to verify format support in CrosDisks. 17 """ 18 def __init__(self, test, test_configs): 19 super(CrosDisksFormatTester, self).__init__(test) 20 self._test_configs = test_configs 21 22 def _run_test_config(self, config): 23 logging.info('Testing "%s"', config['description']) 24 filesystem_type = config['filesystem_type'] 25 format_options = config.get('format_options') 26 # Create a zero-filled virtual filesystem image to help simulate 27 # a removable drive. 28 with VirtualFilesystemImage( 29 block_size=1024, 30 block_count=65536, 31 filesystem_type=filesystem_type) as image: 32 # Attach the zero-filled virtual filesystem image to a loop device 33 # without actually formatting it. 34 device_file = image.attach_to_loop_device() 35 36 # Format the virtual filesystem image via CrosDisks. 37 self.cros_disks.format(device_file, filesystem_type, format_options) 38 expected_format_completion = { 39 'path': device_file 40 } 41 if 'expected_format_status' in config: 42 expected_format_completion['status'] = \ 43 config['expected_format_status'] 44 result = self.cros_disks.expect_format_completion( 45 expected_format_completion) 46 47 if result['status'] == 0: 48 # Test creating and verifying content the formatted device. 49 logging.info("Test filesystem access on formatted device") 50 test_content = DefaultFilesystemTestContent() 51 mount_path = image.mount() 52 if not test_content.create(mount_path): 53 raise error.TestFail("Failed to create test content") 54 if not test_content.verify(mount_path): 55 raise error.TestFail("Failed to verify test content") 56 57 def test_using_virtual_filesystem_image(self): 58 for config in self._test_configs: 59 self._run_test_config(config) 60 61 def get_tests(self): 62 return [self.test_using_virtual_filesystem_image] 63 64 65 class platform_CrosDisksFormat(test.test): 66 version = 1 67 68 def run_once(self, *args, **kwargs): 69 test_configs = [] 70 config_file = '%s/%s' % (self.bindir, kwargs['config_file']) 71 with open(config_file, 'rb') as f: 72 test_configs.extend(json.load(f)) 73 74 tester = CrosDisksFormatTester(self, test_configs) 75 tester.run(*args, **kwargs) 76
