test: add utils test case (#188)

* add utils test case

* fix prettier

---------

Co-authored-by: lotteam004 <lotteam004@proton.me>

packages/core/tests/utils.test.ts

@@ -1,4 +1,4 @@
-import { defaultBech32Config } from "../src/utils";
+import { defaultBech32Config, objectToBase64, nonNullable } from "../src/utils";
 
 describe("defaultBech32Config", () => {
  test("returns the correct config", () => {
@@ -14,3 +14,44 @@ describe("defaultBech32Config", () => {
  });
  });
 });
+
+describe("objectToBase64", () => {
+ test("should convert an object to a Base64 string", () => {
+ const obj = { name: "John", age: 30 };
+ const base64String = objectToBase64(obj);
+ expect(base64String).toBe(Buffer.from(JSON.stringify(obj)).toString("base64"));
+ });
+
+ test("should return an empty object as a Base64 string", () => {
+ const obj = {};
+ const base64String = objectToBase64(obj);
+ expect(base64String).toBe(Buffer.from(JSON.stringify(obj)).toString("base64"));
+ });
+
+ test("should handle nested objects", () => {
+ const obj = { user: { name: "John", age: 30 }, active: true };
+ const base64String = objectToBase64(obj);
+ expect(base64String).toBe(Buffer.from(JSON.stringify(obj)).toString("base64"));
+ });
+});
+
+describe("nonNullable", () => {
+ test("should return true for non-nullable values", () => {
+ expect(nonNullable("Hello")).toBe(true);
+ expect(nonNullable(42)).toBe(true);
+ expect(nonNullable({})).toBe(true);
+ expect(nonNullable([])).toBe(true);
+ });
+
+ test("should return false for null or undefined values", () => {
+ expect(nonNullable(null)).toBe(false);
+ expect(nonNullable(undefined)).toBe(false);
+ });
+
+ test("should work correctly wtesth type guards", () => {
+ const value: string | null = "Hello";
+ if (nonNullable(value)) {
+ expect(typeof value).toBe("string");
+ }
+ });
+});