test_filesystemgroup.py 文件源码

def test_add_already_used_device_to_array_fails(self):
        node = factory.make_Node()
        device_size = 10 * 1000 ** 4
        block_devices = [
            factory.make_PhysicalBlockDevice(node=node, size=device_size)
            for _ in range(10)
        ]
        uuid = str(uuid4())
        raid = RAID.objects.create_raid(
            name='md0',
            level=FILESYSTEM_GROUP_TYPE.RAID_5,
            uuid=uuid,
            block_devices=block_devices)
        device = factory.make_PhysicalBlockDevice(node=node, size=device_size)
        Filesystem.objects.create(
            block_device=device, mount_point='/export/home',
            fstype=FILESYSTEM_TYPE.EXT4)
        with ExpectedException(
            ValidationError,
            re.escape(
                "['There is another filesystem on this device.']")):
            raid.add_device(device, FILESYSTEM_TYPE.RAID)
        self.assertEqual(10, raid.filesystems.count())  # Nothing added.
        self.assertEqual(9 * device_size, raid.get_size())