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 dbus 6 7 from autotest_lib.client.bin import test 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.client.cros.cros_disks import CrosDisksTester 10 11 class CrosDisksAPITester(CrosDisksTester): 12 def __init__(self, test): 13 super(CrosDisksAPITester, self).__init__(test) 14 15 def get_tests(self): 16 return [ 17 self.test_is_alive, 18 self.test_enumerate_devices, 19 self.test_enumerate_auto_mountable_devices, 20 self.test_get_device_properties, 21 self.test_get_device_properties_of_nonexistent_device, 22 self.test_enumerate_auto_mountable_devices_are_not_on_boot_device, 23 self.test_enumerate_auto_mountable_devices_are_not_virtual, 24 self.test_mount_nonexistent_device, 25 self.test_unmount_nonexistent_device, 26 ] 27 28 def validate_disk_properties(self, disk): 29 # Disk properties provided by the API 30 disk_properties = ( 31 ('DeviceFile', dbus.String), 32 ('DeviceIsDrive', dbus.Boolean), 33 ('DeviceIsMediaAvailable', dbus.Boolean), 34 ('DeviceIsOnBootDevice', dbus.Boolean), 35 ('DeviceIsVirtual', dbus.Boolean), 36 ('DeviceIsMounted', dbus.Boolean), 37 ('DeviceIsReadOnly', dbus.Boolean), 38 ('DeviceMediaType', dbus.UInt32), 39 ('DeviceMountPaths', dbus.Array), 40 ('DevicePresentationHide', dbus.Boolean), 41 ('DeviceSize', dbus.UInt64), 42 ('DriveIsRotational', dbus.Boolean), 43 ('DriveModel', dbus.String), 44 ('IdLabel', dbus.String), 45 ('NativePath', dbus.String), 46 ) 47 48 for (prop_name, prop_value_type) in disk_properties: 49 # Check if all disk properties are set. 50 if prop_name not in disk: 51 raise error.TestFail("disk.%s not found" % prop_name) 52 53 # Check if each disk property has the right data type. 54 prop_value = disk[prop_name] 55 if not isinstance(prop_value, prop_value_type): 56 raise error.TestFail( 57 "disk.%s is %s, but %s expected" 58 % (prop_name, type(prop_value), prop_value_type)) 59 60 # Check if DeviceFile has a proper value. 61 if not disk['DeviceFile']: 62 raise error.TestFail( 63 "disk.DeviceFile should not be empty") 64 65 # Check if the values of DeviceIsMounted and DeviceMountPaths 66 # are consistent. 67 mount_paths = disk['DeviceMountPaths'] 68 if disk['DeviceIsMounted']: 69 if len(mount_paths) == 0: 70 raise error.TestFail( 71 "disk.DeviceMountPaths should not be empty " 72 "if disk.DeviceIsMounted is true") 73 else: 74 if len(mount_paths) != 0: 75 raise error.TestFail( 76 "disk.DeviceMountPaths should be empty " 77 "if disk.DeviceIsMounted is false") 78 79 if mount_paths.signature != dbus.Signature('s'): 80 raise error.TestFail( 81 "disk.DeviceMountPaths should contain only strings") 82 83 for mount_path in mount_paths: 84 if not mount_path: 85 raise error.TestFail( 86 "disk.DeviceMountPaths should not contain any " 87 "empty string") 88 89 def test_is_alive(self): 90 # Check if CrosDisks server is alive. 91 is_alive = self.cros_disks.is_alive() 92 if not is_alive: 93 raise error.TestFail("Unable to talk to the disk daemon") 94 95 def test_enumerate_devices(self): 96 # Check if EnumerateDevices method returns a list of devices. 97 devices = self.cros_disks.enumerate_devices() 98 for device in devices: 99 if not device or not isinstance(device, dbus.String): 100 raise error.TestFail( 101 "device returned by EnumerateDevices " 102 "should be a non-empty string") 103 104 def test_enumerate_auto_mountable_devices(self): 105 # Check if EnumerateAutoMountableDevices method returns a list 106 # of devices. 107 devices = self.cros_disks.enumerate_auto_mountable_devices() 108 for device in devices: 109 if not device or not isinstance(device, dbus.String): 110 raise error.TestFail( 111 "device returned by EnumerateAutoMountableDevices " 112 "should be a non-empty string") 113 114 def test_enumerate_auto_mountable_devices_are_not_on_boot_device(self): 115 # Make sure EnumerateAutoMountableDevices method does not return 116 # any device that is on the boot device. 117 devices = self.cros_disks.enumerate_auto_mountable_devices() 118 for device in devices: 119 properties = self.cros_disks.get_device_properties(device) 120 if properties['DeviceIsOnBootDevice']: 121 raise error.TestFail( 122 "device returned by EnumerateAutoMountableDevices " 123 "should not be on boot device") 124 125 def test_enumerate_auto_mountable_devices_are_not_virtual(self): 126 # Make sure EnumerateAutoMountableDevices method does not return 127 # any device that is virtual. 128 devices = self.cros_disks.enumerate_auto_mountable_devices() 129 for device in devices: 130 properties = self.cros_disks.get_device_properties(device) 131 if properties['DeviceIsVirtual']: 132 raise error.TestFail( 133 "device returned by EnumerateAutoMountableDevices " 134 "should not be virtual") 135 136 def test_get_device_properties(self): 137 # Check if GetDeviceProperties method returns valid properties. 138 devices = self.cros_disks.enumerate_devices() 139 for device in devices: 140 properties = self.cros_disks.get_device_properties(device) 141 self.validate_disk_properties(properties) 142 143 def test_get_device_properties_of_nonexistent_device(self): 144 try: 145 properties = self.cros_disks.get_device_properties('/nonexistent') 146 except dbus.DBusException: 147 return 148 raise error.TestFail( 149 "GetDeviceProperties of a nonexistent device should fail") 150 151 def test_mount_nonexistent_device(self): 152 self.cros_disks.mount('/dev/nonexistent', '', []) 153 self.cros_disks.expect_mount_completion({ 154 'source_path': '/dev/nonexistent', 155 'mount_path': '', 156 }) 157 158 def test_unmount_nonexistent_device(self): 159 try: 160 self.cros_disks.unmount('/dev/nonexistent', []) 161 except dbus.DBusException: 162 return 163 raise error.TestFail("Unmounting a nonexistent device should fail") 164 165 166 class platform_CrosDisksDBus(test.test): 167 version = 1 168 169 def run_once(self, *args, **kwargs): 170 tester = CrosDisksAPITester(self) 171 tester.run(*args, **kwargs) 172
