test: Mitt.js events

2024-05-15 11:51:56 +05:30
parent 218b672498
commit 287b072d4e
1 changed files with 13 additions and 0 deletions
@@ -0,0 +1,13 @@
+import bus from '../mitt';
+
+describe('bus', () => {
+  it('should emit and receive events', () => {
+    const eventHandler = jest.fn();
+    bus.$on('myEvent', eventHandler);
+    bus.$emit('myEvent', 'Hello, World!');
+    expect(eventHandler).toHaveBeenCalledWith('Hello, World!');
+    bus.$off('myEvent', eventHandler);
+    bus.$emit('myEvent', 'Goodbye, World!');
+    expect(eventHandler).toHaveBeenCalledTimes(1);
+  });
+});