Tests added

README.md

@@ -733,8 +733,7 @@ store.decr("my-key") // --> 8
 append(key: string, value: string, ttlMs?: number): number
 ```
 
-If key already exists and is a string, this command appends the 
-value at the end of the string.
+If key already exists, this command appends the value at the end of the string.
 If key does not exist it is created and set as an empty string,
 so `append()` will be similar to `set()` in this special case.
 Inspired by: https://docs.keydb.dev/docs/commands/#append

src/index.ts

@@ -484,7 +484,7 @@ export class BunSqliteKeyValue {
     }
 
 
-    // If key already exists and is a string, this command appends the value at the end of the string.
+    // If key already exists, this command appends the value at the end of the string.
     // If key does not exist it is created and set as an empty string,
     // so `append()` will be similar to `set()` in this special case.
     // Returns the length of the string after the append operation.

tests/memory.test.ts

@@ -493,4 +493,8 @@ test("Append", async () => {
     expect(store.get<string>(KEY_1)).toEqual(STRING_VALUE_1 + STRING_VALUE_2)
     await Bun.sleep(40)
     expect(store.getCountValid()).toEqual(0)
+
+    store.set<number>(KEY_1, 1)
+    store.append(KEY_1, " million")
+    expect(store.get<string>(KEY_1)).toEqual("1 million")
 })