def test_updates_virtual_block_device(self):
block_device = factory.make_VirtualBlockDevice()
name = factory.make_name("lv")
vguuid = "%s" % uuid.uuid4()
size = random.randint(MIN_BLOCK_DEVICE_SIZE,
block_device.filesystem_group.get_size())
form = UpdateVirtualBlockDeviceForm(
instance=block_device,
data={
"name": name,
"uuid": vguuid,
"size": size
},
)
self.assertTrue(form.is_valid(), form.errors)
block_device = form.save()
expected_size = round_size_to_nearest_block(size,
PARTITION_ALIGNMENT_SIZE,
False)
self.assertThat(
block_device,
MatchesStructure.byEquality(name=name,
uuid=vguuid,
size=expected_size),
)
def test_requires_no_fields(self):
block_device = factory.make_VirtualBlockDevice()
form = UpdateVirtualBlockDeviceForm(instance=block_device, data={})
self.assertTrue(form.is_valid(), form.errors)
self.assertItemsEqual([], form.errors.keys())