88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
| /*
 | |
|  * Copyright 2025 coze-dev Authors
 | |
|  *
 | |
|  * Licensed under the Apache License, Version 2.0 (the "License");
 | |
|  * you may not use this file except in compliance with the License.
 | |
|  * You may obtain a copy of the License at
 | |
|  *
 | |
|  *     http://www.apache.org/licenses/LICENSE-2.0
 | |
|  *
 | |
|  * Unless required by applicable law or agreed to in writing, software
 | |
|  * distributed under the License is distributed on an "AS IS" BASIS,
 | |
|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | |
|  * See the License for the specific language governing permissions and
 | |
|  * limitations under the License.
 | |
|  */
 | |
| 
 | |
| import { GlobalEventBus } from '../src/event-bus';
 | |
| 
 | |
| vi.mock('eventemitter3', () => ({
 | |
|   default: class MockEventEmitter {
 | |
|     eventsMap: Map<string, (() => void)[]> = new Map();
 | |
|     emit(e: string) {
 | |
|       const cbs = this.eventsMap.get(e) ?? [];
 | |
|       cbs.forEach(cb => {
 | |
|         cb();
 | |
|       });
 | |
|     }
 | |
|     on(e: string, cb: () => void) {
 | |
|       const cbs = this.eventsMap.get(e) ?? [];
 | |
|       if (!cbs.find(cb)) {
 | |
|         cbs.push(cb);
 | |
|         this.eventsMap.set(e, cbs);
 | |
|       }
 | |
|     }
 | |
|     off(e: string, cb: () => void) {
 | |
|       const cbs = this.eventsMap.get(e) ?? [];
 | |
|       const idx = cbs.findIndex(c => c === cb);
 | |
|       if (idx !== -1) {
 | |
|         cbs.splice(idx, 1);
 | |
|         this.eventsMap.set(e, cbs);
 | |
|       }
 | |
|     }
 | |
|   },
 | |
| }));
 | |
| 
 | |
| describe('event-bus', () => {
 | |
|   afterEach(() => {
 | |
|     vi.clearAllMocks();
 | |
|   });
 | |
| 
 | |
|   test('A single key corresponds to a unique instance', () => {
 | |
|     const testGlobalEventBus1 = GlobalEventBus.create('test');
 | |
|     const testGlobalEventBus2 = GlobalEventBus.create('test');
 | |
|     expect(testGlobalEventBus1).equal(testGlobalEventBus2);
 | |
|   });
 | |
| 
 | |
|   test('Should not trigger events if not started or calling `clear`', () => {
 | |
|     const testGlobalEventBus = GlobalEventBus.create('test2');
 | |
|     testGlobalEventBus.stop();
 | |
|     const testCb = vi.fn();
 | |
|     testGlobalEventBus.on('test_event', testCb);
 | |
|     testGlobalEventBus.emit('test_event');
 | |
|     expect(testCb).not.toHaveBeenCalled();
 | |
| 
 | |
|     // Clear the buffer
 | |
|     testGlobalEventBus.clear();
 | |
|     testGlobalEventBus.start();
 | |
|     expect(testCb).not.toHaveBeenCalled();
 | |
|   });
 | |
| 
 | |
|   test('Should trigger events if started', () => {
 | |
|     const testGlobalEventBus = GlobalEventBus.create('test3');
 | |
|     const testCb1 = vi.fn();
 | |
|     testGlobalEventBus.on('test_event', testCb1);
 | |
|     testGlobalEventBus.emit('test_event');
 | |
|     expect(testCb1).toHaveBeenCalled();
 | |
|   });
 | |
| 
 | |
|   test('Should trigger events if started', () => {
 | |
|     const testGlobalEventBus = GlobalEventBus.create('test4');
 | |
|     const testCb1 = vi.fn();
 | |
|     testGlobalEventBus.on('test_event', testCb1);
 | |
|     testGlobalEventBus.off('test_event', testCb1);
 | |
|     testGlobalEventBus.emit('test_event');
 | |
|     expect(testCb1).not.toHaveBeenCalled();
 | |
|   });
 | |
| });
 |