Initial commit

Co-Authored-By: Eric Tuvesson <eric.tuvesson@gmail.com>
Co-Authored-By: mikaeltellhed <2311083+mikaeltellhed@users.noreply.github.com>
Co-Authored-By: kotte <14197736+mrtamagotchi@users.noreply.github.com>
Co-Authored-By: Anders Larsson <64838990+anders-topp@users.noreply.github.com>
Co-Authored-By: Johan  <4934465+joolsus@users.noreply.github.com>
Co-Authored-By: Tore Knudsen <18231882+torekndsn@users.noreply.github.com>
Co-Authored-By: victoratndl <99176179+victoratndl@users.noreply.github.com>

packages/noodl-runtime/test/eventsender.test.js

@@ -0,0 +1,61 @@
+const EventSender = require('./eventsender');
+
+describe('EventSender', ()=> {
+
+    let eventSender;
+
+    beforeEach(()=>{
+        eventSender = new EventSender();
+    });
+
+    it('can send events', ()=> {
+
+        const mockCallback = jest.fn(() => {});
+
+        eventSender.on('testEvent', mockCallback);
+
+        const someArgument = {lol:'troll'};
+        eventSender.emit('testEvent', someArgument);
+
+        expect(mockCallback.mock.calls.length).toBe(1);
+        expect(mockCallback.mock.calls[0][0]).toBe(someArgument);
+    });
+
+    it('can remove a listener', ()=> {
+        const mockCallback = jest.fn(() => {});
+        const mockCallback2 = jest.fn(() => {});
+
+        const ref = {};
+        const ref2 = {};
+
+        eventSender.on('testEvent', mockCallback, ref);
+        eventSender.on('testEvent', mockCallback2, ref2);
+
+        eventSender.removeListenersWithRef(ref);
+        eventSender.emit('testEvent');
+
+        expect(mockCallback.mock.calls.length).toBe(0);
+        expect(mockCallback2.mock.calls.length).toBe(1);
+
+    });
+
+    it('can remove all listeners', ()=> {
+        const mockCallback = jest.fn(() => {});
+        const mockCallback2 = jest.fn(() => {});
+
+        const ref = {};
+        const ref2 = {};
+
+        eventSender.on('testEvent', mockCallback, ref);
+        eventSender.on('testEvent2', mockCallback2, ref2);
+
+        eventSender.removeAllListeners('testEvent');
+        eventSender.emit('testEvent');
+        eventSender.emit('testEvent2');
+
+        expect(mockCallback.mock.calls.length).toBe(0);
+        expect(mockCallback2.mock.calls.length).toBe(1);
+
+    });
+
+});