288 lines
11 KiB
Python
288 lines
11 KiB
Python
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#!/usr/bin/python
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import unittest
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from mock import Mock
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from mock import TestCase
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import parted
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import pyanaconda.anaconda_log
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pyanaconda.anaconda_log.init()
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import pyanaconda.iutil
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import pyanaconda.storage as storage
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from pyanaconda.storage.formats import getFormat
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# device classes for brevity's sake -- later on, that is
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from pyanaconda.storage.devices import StorageDevice
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from pyanaconda.storage.devices import DiskDevice
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from pyanaconda.storage.devices import PartitionDevice
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from pyanaconda.storage.devices import MDRaidArrayDevice
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from pyanaconda.storage.devices import DMDevice
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from pyanaconda.storage.devices import LUKSDevice
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from pyanaconda.storage.devices import LVMVolumeGroupDevice
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from pyanaconda.storage.devices import LVMLogicalVolumeDevice
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from pyanaconda.storage.devices import FileDevice
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class StorageTestCase(TestCase):
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""" StorageTestCase
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This is a base class for storage test cases. It sets up imports of
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the storage package, along with an Anaconda instance and a Storage
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instance. There are lots of little patches to prevent various pieces
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of code from trying to access filesystems and/or devices on the host
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system, along with a couple of convenience methods.
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"""
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def __init__(self, *args, **kwargs):
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TestCase.__init__(self, *args, **kwargs)
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self.setUpAnaconda()
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def setUpAnaconda(self):
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pyanaconda.iutil.execWithRedirect = Mock()
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pyanaconda.iutil.execWithCapture = Mock()
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pyanaconda.iutil.execWithPulseProgress = Mock()
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pyanaconda.baseudev = Mock()
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self.anaconda = Mock()
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self.setUpStorage()
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def setUpStorage(self):
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self.setUpDeviceLibs()
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self.storage = storage.Storage(self.anaconda)
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# device status
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pyanaconda.storage.devices.StorageDevice.status = False
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pyanaconda.storage.devices.DMDevice.status = False
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pyanaconda.storage.devices.LUKSDevice.status = False
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pyanaconda.storage.devices.LVMVolumeGroupDevice.status = False
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pyanaconda.storage.devices.MDRaidArrayDevice.status = False
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pyanaconda.storage.devices.FileDevice.status = False
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# prevent PartitionDevice from trying to dig around in the partition's
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# geometry
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pyanaconda.storage.devices.PartitionDevice._setTargetSize = StorageDevice._setTargetSize
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# prevent Ext2FS from trying to run resize2fs to get a filesystem's
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# minimum size
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storage.formats.fs.Ext2FS.minSize = storage.formats.DeviceFormat.minSize
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storage.formats.fs.FS.migratable = storage.formats.DeviceFormat.migratable
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def setUpDeviceLibs(self):
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# devicelibs shouldn't be touching or looking at the host system
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# lvm is easy because all calls to /sbin/lvm are via lvm()
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storage.devicelibs.lvm.lvm = Mock()
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# mdraid is easy because all calls to /sbin/mdadm are via mdadm()
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storage.devicelibs.mdraid.mdadm = Mock()
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# swap
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storage.devicelibs.swap.swapstatus = Mock(return_value=False)
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storage.devicelibs.swap.swapon = Mock()
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storage.devicelibs.swap.swapoff = Mock()
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# dm
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storage.devicelibs.dm = Mock()
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# crypto/luks
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storage.devicelibs.crypto.luks_status = Mock(return_value=False)
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storage.devicelibs.crypto.luks_uuid = Mock()
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storage.devicelibs.crypto.luks_format = Mock()
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storage.devicelibs.crypto.luks_open = Mock()
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storage.devicelibs.crypto.luks_close = Mock()
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storage.devicelibs.crypto.luks_add_key = Mock()
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storage.devicelibs.crypto.luks_remove_key = Mock()
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# this list would normally be obtained by parsing /proc/mdstat
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storage.devicelibs.mdraid.raid_levels = \
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[storage.devicelibs.mdraid.RAID10,
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storage.devicelibs.mdraid.RAID0,
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storage.devicelibs.mdraid.RAID1,
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storage.devicelibs.mdraid.RAID4,
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storage.devicelibs.mdraid.RAID5,
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storage.devicelibs.mdraid.RAID6]
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def newDevice(*args, **kwargs):
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""" Return a new Device instance suitable for testing. """
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args = args[1:] # drop self arg
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device_class = kwargs.pop("device_class")
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exists = kwargs.pop("exists", False)
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part_type = kwargs.pop("part_type", parted.PARTITION_NORMAL)
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device = device_class(*args, **kwargs)
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if exists:
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# set up mock parted.Device w/ correct size
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device._partedDevice = Mock()
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device._partedDevice.getSize = Mock(return_value=float(device.size))
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device._partedDevice.sectorSize = 512
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if isinstance(device, pyanaconda.storage.devices.PartitionDevice):
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#if exists:
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# device.parents = device.req_disks
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device.parents = device.req_disks
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partedPartition = Mock()
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if device.disk:
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part_num = device.name[len(device.disk.name):].split("p")[-1]
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partedPartition.number = int(part_num)
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partedPartition.type = part_type
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partedPartition.path = device.path
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partedPartition.getDeviceNodeName = Mock(return_value=device.name)
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partedPartition.getSize = Mock(return_value=float(device.size))
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device._partedPartition = partedPartition
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device.exists = exists
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device.format.exists = exists
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if isinstance(device, pyanaconda.storage.devices.PartitionDevice):
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# PartitionDevice.probe sets up data needed for resize operations
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device.probe()
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return device
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def newFormat(*args, **kwargs):
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""" Return a new DeviceFormat instance suitable for testing.
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Keyword Arguments:
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device_instance - StorageDevice instance this format will be
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created on. This is needed for setup of
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resizable formats.
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All other arguments are passed directly to
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pyanaconda.storage.formats.getFormat.
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"""
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args = args[1:] # drop self arg
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exists = kwargs.pop("exists", False)
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device_instance = kwargs.pop("device_instance", None)
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format = getFormat(*args, **kwargs)
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if isinstance(format, storage.formats.disklabel.DiskLabel):
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format._partedDevice = Mock()
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format._partedDisk = Mock()
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format.exists = exists
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if format.resizable and device_instance:
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format._size = device_instance.currentSize
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return format
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def destroyAllDevices(self, disks=None):
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""" Remove all devices from the devicetree.
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Keyword Arguments:
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disks - a list of names of disks to remove partitions from
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Note: this is largely ripped off from partitioning.clearPartitions.
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"""
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partitions = self.storage.partitions
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# Sort partitions by descending partition number to minimize confusing
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# things like multiple "destroy sda5" actions due to parted renumbering
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# partitions. This can still happen through the UI but it makes sense to
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# avoid it where possible.
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partitions.sort(key=lambda p: p.partedPartition.number, reverse=True)
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for part in partitions:
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if disks and part.disk.name not in disks:
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continue
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devices = self.storage.deviceDeps(part)
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while devices:
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leaves = [d for d in devices if d.isleaf]
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for leaf in leaves:
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self.storage.destroyDevice(leaf)
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devices.remove(leaf)
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self.storage.destroyDevice(part)
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def scheduleCreateDevice(self, *args, **kwargs):
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""" Schedule an action to create the specified device.
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Verify that the device is not already in the tree and that the
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act of scheduling/registering the action also adds the device to
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the tree.
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Return the DeviceAction instance.
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"""
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device = kwargs.pop("device")
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if hasattr(device, "req_disks") and \
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len(device.req_disks) == 1 and \
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not device.parents:
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device.parents = device.req_disks
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devicetree = self.storage.devicetree
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self.assertEqual(devicetree.getDeviceByName(device.name), None)
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action = storage.deviceaction.ActionCreateDevice(device)
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devicetree.registerAction(action)
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self.assertEqual(devicetree.getDeviceByName(device.name), device)
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return action
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def scheduleDestroyDevice(self, *args, **kwargs):
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""" Schedule an action to destroy the specified device.
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Verify that the device exists initially and that the act of
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scheduling/registering the action also removes the device from
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the tree.
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Return the DeviceAction instance.
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"""
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device = kwargs.pop("device")
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devicetree = self.storage.devicetree
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self.assertEqual(devicetree.getDeviceByName(device.name), device)
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action = storage.deviceaction.ActionDestroyDevice(device)
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devicetree.registerAction(action)
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self.assertEqual(devicetree.getDeviceByName(device.name), None)
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return action
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def scheduleCreateFormat(self, *args, **kwargs):
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""" Schedule an action to write a new format to a device.
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Verify that the device is already in the tree, that it is not
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already set up to contain the specified format, and that the act
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of registering/scheduling the action causes the new format to be
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reflected in the tree.
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Return the DeviceAction instance.
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"""
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device = kwargs.pop("device")
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format = kwargs.pop("format")
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devicetree = self.storage.devicetree
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self.assertNotEqual(device.format, format)
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self.assertEqual(devicetree.getDeviceByName(device.name), device)
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action = storage.deviceaction.ActionCreateFormat(device, format)
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devicetree.registerAction(action)
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_device = devicetree.getDeviceByName(device.name)
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self.assertEqual(_device.format, format)
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return action
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def scheduleDestroyFormat(self, *args, **kwargs):
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""" Schedule an action to remove a format from a device.
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Verify that the device is already in the tree and that the act
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of registering/scheduling the action causes the new format to be
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reflected in the tree.
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Return the DeviceAction instance.
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"""
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device = kwargs.pop("device")
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devicetree = self.storage.devicetree
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self.assertEqual(devicetree.getDeviceByName(device.name), device)
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action = storage.deviceaction.ActionDestroyFormat(device)
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devicetree.registerAction(action)
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_device = devicetree.getDeviceByName(device.name)
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self.assertEqual(_device.format.type, None)
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return action
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