qubes-installer-qubes-os/anaconda/tests/storage_test/partitioning_test.py
2013-01-24 01:45:53 +01:00

131 lines
4.7 KiB
Python

#!/usr/bin/python
import unittest
from mock import Mock
import parted
import pyanaconda.anaconda_log
pyanaconda.anaconda_log.init()
from pyanaconda.storage.partitioning import getNextPartitionType
# disklabel-type-specific constants
# keys: disklabel type string
# values: 3-tuple of (max_primary_count, supports_extended, max_logical_count)
disklabel_types = {'dos': (4, True, 11),
'gpt': (128, False, 0),
'mac': (62, False, 0)}
class PartitioningTestCase(unittest.TestCase):
def getDisk(self, disk_type, primary_count=0,
has_extended=False, logical_count=0):
""" Return a mock representing a parted.Disk. """
disk = Mock()
disk.type = disk_type
label_type_info = disklabel_types[disk_type]
(max_primaries, supports_extended, max_logicals) = label_type_info
# primary partitions
disk.primaryPartitionCount = primary_count
disk.maxPrimaryPartitionCount = max_primaries
# extended partitions
disk.supportsFeature = Mock(return_value=supports_extended)
disk.getExtendedPartition = Mock(return_value=has_extended)
# logical partitions
disk.getMaxLogicalPartitions = Mock(return_value=max_logicals)
disk.getLogicalPartitions = Mock(return_value=[0]*logical_count)
return disk
def testNextPartitionType(self):
#
# DOS
#
# empty disk, any type
disk = self.getDisk(disk_type="dos")
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_NORMAL)
# three primaries and no extended -> extended
disk = self.getDisk(disk_type="dos", primary_count=3)
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_EXTENDED)
# three primaries and an extended -> primary
disk = self.getDisk(disk_type="dos", primary_count=3, has_extended=True)
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_NORMAL)
# three primaries and an extended w/ no_primary -> logical
disk = self.getDisk(disk_type="dos", primary_count=3, has_extended=True)
self.assertEqual(getNextPartitionType(disk, no_primary=True),
parted.PARTITION_LOGICAL)
# four primaries and an extended, available logical -> logical
disk = self.getDisk(disk_type="dos", primary_count=4, has_extended=True,
logical_count=9)
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_LOGICAL)
# four primaries and an extended, no available logical -> None
disk = self.getDisk(disk_type="dos", primary_count=4, has_extended=True,
logical_count=11)
self.assertEqual(getNextPartitionType(disk), None)
# four primaries and no extended -> None
disk = self.getDisk(disk_type="dos", primary_count=4,
has_extended=False)
self.assertEqual(getNextPartitionType(disk), None)
# free primary slot, extended, no free logical slot -> primary
disk = self.getDisk(disk_type="dos", primary_count=3, has_extended=True,
logical_count=11)
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_NORMAL)
# free primary slot, extended, no free logical slot w/ no_primary
# -> None
disk = self.getDisk(disk_type="dos", primary_count=3, has_extended=True,
logical_count=11)
self.assertEqual(getNextPartitionType(disk, no_primary=True), None)
#
# GPT
#
# empty disk, any partition type
disk = self.getDisk(disk_type="gpt")
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_NORMAL)
# no empty slots -> None
disk = self.getDisk(disk_type="gpt", primary_count=128)
self.assertEqual(getNextPartitionType(disk), None)
# no_primary -> None
disk = self.getDisk(disk_type="gpt")
self.assertEqual(getNextPartitionType(disk, no_primary=True), None)
#
# MAC
#
# empty disk, any partition type
disk = self.getDisk(disk_type="mac")
self.assertEqual(getNextPartitionType(disk), parted.PARTITION_NORMAL)
# no empty slots -> None
disk = self.getDisk(disk_type="mac", primary_count=62)
self.assertEqual(getNextPartitionType(disk), None)
# no_primary -> None
disk = self.getDisk(disk_type="mac")
self.assertEqual(getNextPartitionType(disk, no_primary=True), None)
def suite():
return unittest.TestLoader().loadTestsFromTestCase(PartitioningTestCase)
if __name__ == "__main__":
unittest.main()