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tests: check importing empty data into FileVolume

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Verify if it really discards old content.

QubesOS/qubes-issues#5192
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Marek Marczykowski-Górecki 2019-07-28 22:06:30 +02:00
parent 8414d0153f
commit 790c2ad8cb
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1 changed files with 23 additions and 0 deletions
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23
qubes/tests/storage_file.py
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@ -360,6 +360,29 @@ class TC_01_FileVolumes(qubes.tests.QubesTestCase):
volume_data = volume_file.read().strip('\0')
self.assertNotEqual(volume_data, 'test')
def test_022_import_data_empty(self):
config = {
'name': 'root',
'pool': self.POOL_NAME,
'save_on_stop': True,
'rw': True,
'size': 1024 * 1024,
}
vm = qubes.tests.storage.TestVM(self)
volume = self.app.get_pool(self.POOL_NAME).init_volume(vm, config)
volume.create()
with open(volume.path, 'w') as vol_file:
vol_file.write('test data')
import_path = volume.import_data()
self.assertNotEqual(volume.path, import_path)
with open(import_path, 'w+'):
pass
volume.import_data_end(True)
self.assertFalse(os.path.exists(import_path), import_path)
with open(volume.path) as volume_file:
volume_data = volume_file.read().strip('\0')
self.assertNotEqual(volume_data, 'test data')
def assertVolumePath(self, vm, dev_name, expected, rw=True):
# :pylint: disable=invalid-name
volumes = vm.volumes