test_filesystemgroup.py 文件源码

def test_cannot_save_bcache_with_multiple_backings(self):
        node = factory.make_Node()
        cache_set = factory.make_CacheSet(node=node)
        filesystems = [
            factory.make_Filesystem(
                fstype=FILESYSTEM_TYPE.BCACHE_BACKING,
                block_device=factory.make_PhysicalBlockDevice(node=node))
            for _ in range(random.randint(2, 10))
        ]
        with ExpectedException(
                ValidationError,
                re.escape(
                    "{'__all__': ['Bcache can only contain one backing "
                    "device.']}")):
            factory.make_FilesystemGroup(
                group_type=FILESYSTEM_GROUP_TYPE.BCACHE,
                cache_set=cache_set,
                filesystems=filesystems)