1 use lightning::util::persist::{KVStore, KVSTORE_NAMESPACE_KEY_MAX_LEN};
3 use std::panic::RefUnwindSafe;
5 pub(crate) fn do_read_write_remove_list_persist<K: KVStore + RefUnwindSafe>(kv_store: &K) {
8 let namespace = "testspace";
9 let sub_namespace = "testsubspace";
12 // Test the basic KVStore operations.
13 kv_store.write(namespace, sub_namespace, key, &data).unwrap();
15 // Test empty namespace/sub_namespace is allowed, but not empty namespace and non-empty
16 // sub-namespace, and not empty key.
17 kv_store.write("", "", key, &data).unwrap();
18 let res = std::panic::catch_unwind(|| kv_store.write("", sub_namespace, key, &data));
19 assert!(res.is_err());
20 let res = std::panic::catch_unwind(|| kv_store.write(namespace, sub_namespace, "", &data));
21 assert!(res.is_err());
23 let listed_keys = kv_store.list(namespace, sub_namespace).unwrap();
24 assert_eq!(listed_keys.len(), 1);
25 assert_eq!(listed_keys[0], key);
27 let read_data = kv_store.read(namespace, sub_namespace, key).unwrap();
28 assert_eq!(data, &*read_data);
30 kv_store.remove(namespace, sub_namespace, key, false).unwrap();
32 let listed_keys = kv_store.list(namespace, sub_namespace).unwrap();
33 assert_eq!(listed_keys.len(), 0);
35 // Ensure we have no issue operating with namespace/sub_namespace/key being KVSTORE_NAMESPACE_KEY_MAX_LEN
36 let max_chars: String = std::iter::repeat('A').take(KVSTORE_NAMESPACE_KEY_MAX_LEN).collect();
37 kv_store.write(&max_chars, &max_chars, &max_chars, &data).unwrap();
39 let listed_keys = kv_store.list(&max_chars, &max_chars).unwrap();
40 assert_eq!(listed_keys.len(), 1);
41 assert_eq!(listed_keys[0], max_chars);
43 let read_data = kv_store.read(&max_chars, &max_chars, &max_chars).unwrap();
44 assert_eq!(data, &*read_data);
46 kv_store.remove(&max_chars, &max_chars, &max_chars, false).unwrap();
48 let listed_keys = kv_store.list(&max_chars, &max_chars).unwrap();
49 assert_eq!(listed_keys.len(), 0);