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lvm2/test/api/python_lvm_unit.py
Tony Asleson 7a34db0cfd python-lvm: Initial check-in of python-lvm unit test case.
Signed-off-by: Tony Asleson <tasleson@redhat.com>
2012-11-14 13:18:37 -06:00

375 lines
8.9 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import unittest
import random
import string
import lvm
# Set of basic unit tests for the python bindings.
def rs(l=10):
"""
Generate a random string
"""
return ''.join(random.choice(string.ascii_uppercase) for x in range(l))
class TestLvm(unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def testOpenClose(self):
pass
def testVersion(self):
version = lvm.getVersion()
self.assertNotEquals(version, None)
self.assertEquals(type(version), str)
self.assertTrue(len(version) > 0)
def testVgOpen(self):
vg_names = lvm.listVgNames()
for i in vg_names:
vg = lvm.vgOpen(i)
vg.close()
def _get_lv_test(self, mode='r'):
vg_name_list = lvm.listVgNames()
for vgname in vg_name_list:
vg = lvm.vgOpen(vgname, mode)
lvs = vg.listLVs()
if len(lvs):
return lvs[0]
return None
def _get_pv_test(self, mode='r'):
vg_name_list = lvm.listVgNames()
for vgname in vg_name_list:
vg = lvm.vgOpen(vgname, mode)
pvs = vg.listPVs()
if len(pvs):
return pvs[0]
return None
def testPvGetters(self):
pv = self._get_pv_test()
self.assertEqual(type(pv.getName()), str)
self.assertTrue(len(pv.getName()) > 0)
self.assertEqual(type(pv.getUuid()), str)
self.assertTrue(len(pv.getUuid()) > 0)
self.assertEqual(type(pv.getMdaCount()), int)
self.assertEqual(type(pv.getMdaCount()), int)
self.assertEqual(type(pv.getSize()), int)
self.assertEqual(type(pv.getDevSize()), int)
self.assertEqual(type(pv.getFree()), int)
def _test_prop(self, prop_obj, prop, var_type, settable):
result = prop_obj.getProperty(prop)
self.assertEqual(type(result[0]), var_type)
self.assertEqual(type(result[1]), bool)
self.assertTrue(result[1] == settable)
def testPvSegs(self):
pv = self._get_pv_test("r")
pv_segs = pv.listPVsegs()
#LVsegs returns a tuple, (value, bool settable)
#TODO: Test other properties of pv_seg
for i in pv_segs:
self._test_prop(i, 'pvseg_start', long, False)
def testPvProperty(self):
pv = self._get_pv_test("r")
self._test_prop(pv, 'pv_mda_count', long, False)
def testLvProperty(self):
lv = self._get_lv_test("r")
self._test_prop(lv, 'seg_count', long, False)
def testLvTags(self):
lv = self._get_lv_test("w")
self._testTags(lv)
def testLvActiveInactive(self):
lv = self._get_lv_test("w")
lv.deactivate()
self.assertTrue(lv.isActive() == False)
lv.activate()
self.assertTrue(lv.isActive() == True)
def testLvRename(self):
lv = self._get_lv_test("w")
current_name = lv.getName()
new_name = rs()
lv.rename(new_name)
self.assertEqual(lv.getName(), new_name)
lv.rename(current_name)
def testLvSuspend(self):
lv = self._get_lv_test("r")
result = lv.isSuspended()
self.assertTrue(type(result), bool)
def testLvSize(self):
lv = self._get_lv_test("r")
result = lv.getSize()
self.assertTrue(type(result), bool)
def testLvResize(self):
pass #Not implemented!
def testPvResize(self):
pass #Patch available, not committed
def testLvSeg(self):
lv = self._get_lv_test("r")
lv_segs = lv.listLVsegs()
#LVsegs returns a tuple, (value, bool settable)
#TODO: Test other properties of lv_seg
for i in lv_segs:
self._test_prop(i, 'seg_start_pe', long, False)
def testLvMisc(self):
#Need to look at lack of vg_write in vg create
#For this to work cleanly we will remove an existing lv & vg and then
#put it back so that the test framework can clean it up.
vg_name_list = lvm.listVgNames()
if len(vg_name_list):
vg_name = vg_name_list[0]
vg = lvm.vgOpen(vg_name, "w")
vg_mda_copies = vg.getProperty('vg_mda_copies')
vg.setProperty('vg_mda_copies', vg_mda_copies[0])
pvs = vg.listPVs()
lvs = vg.listLVs()
pe_devices = []
for p in pvs:
pe_devices.append(p.getName())
self.assertEquals(len(lvs), 1)
lv = lvs[0]
lv_name = lv.getName()
lv_size = lv.getSize()
lv.remove()
lv = None
vg.reduce(pe_devices[0])
vg.remove()
vg.close()
nvg = lvm.vgCreate(vg_name)
for p in pe_devices:
nvg.extend(p)
#2MiB extent size
new_extent = 1024 * 1024 * 2
nvg.setExtentSize(new_extent)
self.assertEqual(nvg.getExtentSize(), new_extent)
v = nvg.createLvLinear(lv_name, lv_size)
lv_find_name = nvg.lvFromName(lv_name)
lv_find_uuid = nvg.lvFromUuid(v.getUuid())
self.assertTrue(lv_find_name.getName() == v.getName())
self.assertTrue(lv_find_uuid.getUuid() == v.getUuid())
nvg.close()
def testVgNames(self):
vg = lvm.listVgNames()
self.assertTrue(isinstance(vg, tuple))
def testDupeLvCreate(self):
"""
Try to create a lv with the same name expecting a failure
Note: This was causing a seg. fault previously
"""
vgs = lvm.listVgNames()
if len(vgs):
vg_name = vgs[0]
vg = lvm.vgOpen(vg_name, "w")
lvs = vg.listLVs()
if len(lvs):
lv = lvs[0]
lv_name = lv.getName()
self.assertRaises(lvm.LibLVMError, vg.createLvLinear, lv_name,
lv.getSize())
def testVgUuids(self):
vgs_uuids = lvm.listVgUuids()
self.assertTrue(isinstance(vgs_uuids, tuple))
vgs_uuids = list(vgs_uuids)
vgs_names = lvm.listVgNames()
for vg_name in vgs_names:
vg = lvm.vgOpen(vg_name, "r")
#TODO Write/fix BUG, vg uuid don't match between lvm.listVgUuids
# and vg.getUuid()
vg_uuid_search = vg.getUuid().replace('-', '')
self.assertTrue(vg_uuid_search in vgs_uuids)
vgs_uuids.remove(vg_uuid_search)
self.assertTrue(len(vgs_uuids) == 0)
def testPercentToFloat(self):
self.assertEqual(lvm.percentToFloat(0), 0.0)
self.assertEqual(lvm.percentToFloat(1000000), 1.0)
self.assertEqual(lvm.percentToFloat(1000000 / 2), 0.5)
def testScan(self):
self.assertEqual(lvm.scan(), None)
def testConfigReload(self):
self.assertEqual(lvm.configReload(), None)
def testConfig_override(self):
self.assertEquals(lvm.configOverride("global.test = 1"), None)
def testConfigFindBool(self):
self.assertTrue(lvm.configFindBool("global/locking_type"))
self.assertFalse(lvm.configFindBool("global/fallback_to_local_locking"))
def testVgFromPVLookups(self):
vgname_list = lvm.listVgNames()
for vg_name in vgname_list:
vg = lvm.vgOpen(vg_name, 'r')
vg_name = vg.getName()
pv_list = vg.listPVs()
for pv in pv_list:
vg_name_from_pv = lvm.vgNameFromPvid(pv.getUuid())
self.assertEquals(vg_name, vg_name_from_pv)
self.assertEqual(vg_name, lvm.vgNameFromDevice(pv.getName()))
vg.close()
def testVgGetName(self):
vgname_list = lvm.listVgNames()
for vg_name in vgname_list:
vg = lvm.vgOpen(vg_name, 'r')
self.assertEqual(vg.getName(), vg_name)
vg.close()
def testVgGetUuid(self):
vgname_list = lvm.listVgNames()
for vg_name in vgname_list:
vg = lvm.vgOpen(vg_name, 'r')
uuid = vg.getUuid()
self.assertNotEqual(uuid, None)
self.assertTrue(len(uuid) > 0)
vg.close()
RETURN_NUMERIC = ["getSeqno", "getSize", "getFreeSize", "getFreeSize",
"getExtentSize", "getExtentCount", "getFreeExtentCount",
"getPvCount", "getMaxPv", "getMaxLv"]
def testVgGetters(self):
vg_name_list = lvm.listVgNames()
for vg_name in vg_name_list:
vg = lvm.vgOpen(vg_name, 'r')
self.assertTrue(type(vg.isClustered()) == bool)
self.assertTrue(type(vg.isExported()) == bool)
self.assertTrue(type(vg.isPartial()) == bool)
#Loop through the list invoking the method
for method_name in TestLvm.RETURN_NUMERIC:
method = getattr(vg, method_name)
result = method()
self.assertTrue(type(result) == int)
vg.close()
def _testTags(self, tag_obj):
existing_tags = tag_obj.getTags()
self.assertTrue(type(existing_tags) == tuple)
num_tags = random.randint(2, 40)
created_tags = []
for i in range(num_tags):
tag_name = rs(random.randint(1, 128))
tag_obj.addTag(tag_name)
created_tags.append(tag_name)
tags = tag_obj.getTags()
self.assertTrue(len(existing_tags) + len(created_tags) == len(tags))
num_remove = len(created_tags)
for i in range(num_remove):
tag_to_remove = created_tags[random.randint(0, len(created_tags) - 1)]
created_tags.remove(tag_to_remove)
tag_obj.removeTag(tag_to_remove)
current_tags = tag_obj.getTags()
self.assertFalse(tag_to_remove in current_tags)
current_tags = tag_obj.getTags()
self.assertTrue(len(current_tags) == len(existing_tags))
for e in existing_tags:
self.assertTrue(e in current_tags)
def testVgTags(self):
vg_name_list = lvm.listVgNames()
for vg_name in vg_name_list:
vg = lvm.vgOpen(vg_name, 'w')
self._testTags(vg)
vg.close()
if __name__ == "__main__":
unittest.main()