23 lines
693 B
TypeScript
23 lines
693 B
TypeScript
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import { Request, Response } from 'express';
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import { getTopics } from '../src/controllers/topicController';
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import { topics } from '../src/models/topic';
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describe('Topic Controller', () => {
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it('should return an empty array when no topics exist', () => {
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// Create mock objects for Request, Response, and NextFunction
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const req = {} as Request;
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const res = {
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json: jest.fn(),
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} as unknown as Response;
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// Ensure that our in-memory store is empty
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topics.length = 0;
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// Execute our controller function
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getTopics(req, res, jest.fn());
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// Expect that res.json was called with an empty array
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expect(res.json).toHaveBeenCalledWith([]);
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});
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});
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