231 lines
6.7 KiB
Python
231 lines
6.7 KiB
Python
import baseclass
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import unittest
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import storage.devicelibs.lvm as lvm
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class LVMTestCase(baseclass.DevicelibsTestCase):
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def testLVM(self):
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##
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## pvcreate
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##
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# pass
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for dev, file in self._LOOP_DEVICES:
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self.assertEqual(lvm.pvcreate(dev), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.pvcreate, "/not/existing/device")
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##
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## pvresize
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##
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# pass
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for dev, file in self._LOOP_DEVICES:
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self.assertEqual(lvm.pvresize(dev, 50), None)
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self.assertEqual(lvm.pvresize(dev, 100), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.pvresize, "/not/existing/device", 50)
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##
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## vgcreate
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##
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# pass
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self.assertEqual(lvm.vgcreate("test-vg", [self._LOOP_DEV0, self._LOOP_DEV1], 4), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.vgcreate, "another-vg", ["/not/existing/device"], 4)
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# vg already exists
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self.assertRaises(lvm.LVMError, lvm.vgcreate, "test-vg", [self._LOOP_DEV0], 4)
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# pe size must be power of 2
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self.assertRaises(lvm.LVMError, lvm.vgcreate, "another-vg", [self._LOOP_DEV0], 5)
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##
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## pvremove
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##
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# fail
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# cannot remove pv now with vg created
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self.assertRaises(lvm.LVMError, lvm.pvremove, self._LOOP_DEV0)
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##
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## vgdeactivate
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##
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# pass
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self.assertEqual(lvm.vgdeactivate("test-vg"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.vgdeactivate, "wrong-vg-name")
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##
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## vgreduce
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##
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# pass
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self.assertEqual(lvm.vgreduce("test-vg", [self._LOOP_DEV1]), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.vgreduce, "wrong-vg-name", [self._LOOP_DEV1])
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self.assertRaises(lvm.LVMError, lvm.vgreduce, "test-vg", ["/not/existing/device"])
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##
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## vgactivate
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##
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# pass
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self.assertEqual(lvm.vgactivate("test-vg"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.vgactivate, "wrong-vg-name")
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##
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## pvinfo
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##
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# pass
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self.assertEqual(lvm.pvinfo(self._LOOP_DEV0)["pv_name"], self._LOOP_DEV0)
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# no vg
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self.assertEqual(lvm.pvinfo(self._LOOP_DEV1)["pv_name"], self._LOOP_DEV1)
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# fail
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self.assertRaises(lvm.LVMError, lvm.pvinfo, "/not/existing/device")
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##
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## vginfo
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##
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# pass
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self.assertEqual(lvm.vginfo("test-vg")["pe_size"], "4.00")
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# fail
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self.assertRaises(lvm.LVMError, lvm.vginfo, "wrong-vg-name")
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##
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## lvcreate
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##
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# pass
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self.assertEqual(lvm.lvcreate("test-vg", "test-lv", 10), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvcreate, "wrong-vg-name", "another-lv", 10)
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##
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## lvdeactivate
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##
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# pass
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self.assertEqual(lvm.lvdeactivate("test-vg", "test-lv"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvdeactivate, "test-vg", "wrong-lv-name")
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self.assertRaises(lvm.LVMError, lvm.lvdeactivate, "wrong-vg-name", "test-lv")
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self.assertRaises(lvm.LVMError, lvm.lvdeactivate, "wrong-vg-name", "wrong-lv-name")
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##
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## lvresize
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##
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# pass
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self.assertEqual(lvm.lvresize("test-vg", "test-lv", 60), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvresize, "test-vg", "wrong-lv-name", 80)
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self.assertRaises(lvm.LVMError, lvm.lvresize, "wrong-vg-name", "test-lv", 80)
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self.assertRaises(lvm.LVMError, lvm.lvresize, "wrong-vg-name", "wrong-lv-name", 80)
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# changing to same size
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self.assertRaises(lvm.LVMError, lvm.lvresize, "test-vg", "test-lv", 60)
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##
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## lvactivate
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##
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# pass
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self.assertEqual(lvm.lvactivate("test-vg", "test-lv"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvactivate, "test-vg", "wrong-lv-name")
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self.assertRaises(lvm.LVMError, lvm.lvactivate, "wrong-vg-name", "test-lv")
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self.assertRaises(lvm.LVMError, lvm.lvactivate, "wrong-vg-name", "wrong-lv-name")
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##
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## lvs
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##
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# pass
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self.assertEqual(lvm.lvs("test-vg")["test-lv"]["size"], "60.00")
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvs, "wrong-vg-name")
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##
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## has_lvm
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##
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# pass
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self.assertEqual(lvm.has_lvm(), True)
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# fail
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# TODO
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##
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## lvremove
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##
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# pass
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self.assertEqual(lvm.lvdeactivate("test-vg", "test-lv"), None) # is deactivation needed?
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self.assertEqual(lvm.lvremove("test-vg", "test-lv"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.lvremove, "test-vg", "wrong-lv-name")
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self.assertRaises(lvm.LVMError, lvm.lvremove, "wrong-vg-name", "test-lv")
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self.assertRaises(lvm.LVMError, lvm.lvremove, "wrong-vg-name", "wrong-lv-name")
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# lv already removed
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self.assertRaises(lvm.LVMError, lvm.lvremove, "test-vg", "test-lv")
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##
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## vgremove
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##
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# pass
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self.assertEqual(lvm.vgremove("test-vg"), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.vgremove, "wrong-vg-name")
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# vg already removed
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self.assertRaises(lvm.LVMError, lvm.vgremove, "test-vg")
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##
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## pvremove
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##
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# pass
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for dev, file in self._LOOP_DEVICES:
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self.assertEqual(lvm.pvremove(dev), None)
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# fail
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self.assertRaises(lvm.LVMError, lvm.pvremove, "/not/existing/device")
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# pv already removed
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self.assertRaises(lvm.LVMError, lvm.pvremove, self._LOOP_DEV0)
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#def testGetPossiblePhysicalExtents(self):
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# pass
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self.assertEqual(lvm.getPossiblePhysicalExtents(4),
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filter(lambda pe: pe > 4, map(lambda power: 2**power, xrange(3, 25))))
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self.assertEqual(lvm.getPossiblePhysicalExtents(100000),
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filter(lambda pe: pe > 100000, map(lambda power: 2**power, xrange(3, 25))))
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#def testGetMaxLVSize(self):
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# pass
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self.assertEqual(lvm.getMaxLVSize(), 16*1024**2)
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#def testSafeLVMName(self):
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# pass
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self.assertEqual(lvm.safeLvmName("/strange/lv*name5"), "strange_lvname5")
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#def testClampSize(self):
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# pass
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self.assertEqual(lvm.clampSize(10, 4), 8L)
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self.assertEqual(lvm.clampSize(10, 4, True), 12L)
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#def testVGUsedSpace(self):
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# TODO
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pass
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#def testVGFreeSpace(self):
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# TODO
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pass
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def suite():
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return unittest.TestLoader().loadTestsFromTestCase(LVMTestCase)
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if __name__ == "__main__":
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unittest.main()
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