def testActionRegistration(self, *args, **kwargs):
""" Verify correct operation of action registration and cancelling. """
# self.setUp has just been run, so we should have something like
# a preexisting autopart config in the devicetree.
# registering a destroy action for a non-leaf device should fail
vg = self.storage.devicetree.getDeviceByName("VolGroup")
self.assertNotEqual(vg, None)
self.assertEqual(vg.isleaf, False)
a = storage.deviceaction.ActionDestroyDevice(vg)
self.failUnlessRaises(ValueError,
self.storage.devicetree.registerAction,
a)
# registering any action other than create for a device that's not in
# the devicetree should fail
sdc = self.storage.devicetree.getDeviceByName("sdc")
self.assertNotEqual(sdc, None)
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", size=100000, parents=[sdc],
exists=True)
sdc1_format = self.newFormat("ext2", device=sdc1.path, mountpoint="/")
create_sdc1_format = ActionCreateFormat(sdc1, sdc1_format)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
create_sdc1_format)
sdc1_format.exists = True
migrate_sdc1 = ActionMigrateFormat(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
migrate_sdc1)
migrate_sdc1.cancel()
resize_sdc1_format = ActionResizeFormat(sdc1, sdc1.size - 10000)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1_format)
resize_sdc1 = ActionResizeDevice(sdc1, sdc1.size - 10000)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1)
resize_sdc1.cancel()
resize_sdc1_format.cancel()
destroy_sdc1_format = ActionDestroyFormat(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
destroy_sdc1_format)
destroy_sdc1 = ActionDestroyDevice(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1)
# registering a device destroy action should cause the device to be
# removed from the devicetree
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertNotEqual(lv_root, None)
a = ActionDestroyDevice(lv_root)
self.storage.devicetree.registerAction(a)
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertEqual(lv_root, None)
self.storage.devicetree.cancelAction(a)
# registering a device create action should cause the device to be
# added to the devicetree
sdd = self.storage.devicetree.getDeviceByName("sdd")
self.assertNotEqual(sdd, None)
sdd1 = self.storage.devicetree.getDeviceByName("sdd1")
self.assertEqual(sdd1, None)
sdd1 = self.newDevice(device_class=PartitionDevice,
name="sdd1", size=100000, parents=[sdd])
a = ActionCreateDevice(sdd1)
self.storage.devicetree.registerAction(a)
sdd1 = self.storage.devicetree.getDeviceByName("sdd1")
self.assertNotEqual(sdd1, None)
