37 lines
1.0 KiB
TypeScript
37 lines
1.0 KiB
TypeScript
import { Test, TestingModule } from '@nestjs/testing';
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import { MessagePublisher } from '../../adapters/secondaries/message-publisher';
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import { MESSAGE_BROKER_PUBLISHER } from '../../../../app.constants';
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const mockMessageBrokerPublisher = {
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publish: jest.fn().mockImplementation(),
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};
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describe('Messager', () => {
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let messagePublisher: MessagePublisher;
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beforeAll(async () => {
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const module: TestingModule = await Test.createTestingModule({
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imports: [],
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providers: [
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MessagePublisher,
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{
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provide: MESSAGE_BROKER_PUBLISHER,
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useValue: mockMessageBrokerPublisher,
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},
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],
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}).compile();
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messagePublisher = module.get<MessagePublisher>(MessagePublisher);
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});
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it('should be defined', () => {
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expect(messagePublisher).toBeDefined();
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});
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it('should publish a message', async () => {
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jest.spyOn(mockMessageBrokerPublisher, 'publish');
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messagePublisher.publish('health.info', 'my-test');
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expect(mockMessageBrokerPublisher.publish).toHaveBeenCalledTimes(1);
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});
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});
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