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tests: ThinVolume.revert()

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Marek Marczykowski-Górecki 2018-03-15 02:59:35 +01:00
parent 8cf9264283
commit aea0de35ad
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1 changed files with 70 additions and 1 deletions
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71
qubes/tests/storage_lvm.py
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@ -24,7 +24,6 @@
'volume_group/thin_pool' combination. Pool variables without a prefix
represent a :py:class:`qubes.storage.lvm.ThinPool`.
'''
import os
import subprocess
import tempfile
@ -580,6 +579,76 @@ class TC_00_ThinPool(ThinPoolBase):
volume.remove()
def test_020_revert_last(self):
''' Test volume revert'''
config = {
'name': 'root',
'pool': self.pool.name,
'save_on_stop': True,
'rw': True,
'revisions_to_keep': 2,
'size': qubes.config.defaults['root_img_size'],
}
vm = qubes.tests.storage.TestVM(self)
volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
volume.create()
volume.start()
volume.stop()
volume.start()
volume.stop()
self.assertEqual(len(volume.revisions), 2)
revisions = volume.revisions
revision_id = max(revisions.keys())
current_path = volume.path
current_uuid = self._get_lv_uuid(volume.path)
rev_uuid = self._get_lv_uuid(volume.vid + '-' + revision_id)
self.assertFalse(volume.is_dirty())
self.assertNotEqual(current_uuid, rev_uuid)
volume.revert()
path_snap = '/dev/' + volume._vid_snap
self.assertFalse(os.path.exists(path_snap), path_snap)
self.assertEqual(current_path, volume.path)
new_uuid = self._get_lv_origin_uuid(volume.path)
self.assertEqual(new_uuid, rev_uuid)
self.assertEqual(volume.revisions, revisions)
volume.remove()
def test_021_revert_earlier(self):
''' Test volume revert'''
config = {
'name': 'root',
'pool': self.pool.name,
'save_on_stop': True,
'rw': True,
'revisions_to_keep': 2,
'size': qubes.config.defaults['root_img_size'],
}
vm = qubes.tests.storage.TestVM(self)
volume = self.app.get_pool(self.pool.name).init_volume(vm, config)
volume.create()
volume.start()
volume.stop()
volume.start()
volume.stop()
self.assertEqual(len(volume.revisions), 2)
revisions = volume.revisions
revision_id = min(revisions.keys())
current_path = volume.path
current_uuid = self._get_lv_uuid(volume.path)
rev_uuid = self._get_lv_uuid(volume.vid + '-' + revision_id)
self.assertFalse(volume.is_dirty())
self.assertNotEqual(current_uuid, rev_uuid)
volume.revert(revision_id)
path_snap = '/dev/' + volume._vid_snap
self.assertFalse(os.path.exists(path_snap), path_snap)
self.assertEqual(current_path, volume.path)
new_uuid = self._get_lv_origin_uuid(volume.path)
self.assertEqual(new_uuid, rev_uuid)
self.assertEqual(volume.revisions, revisions)
volume.remove()
@skipUnlessLvmPoolExists
class TC_01_ThinPool(ThinPoolBase, qubes.tests.SystemTestCase):