Untitled

// PRODUCTS CONTROLLER TEST

import chai, { expect } from 'chai';
import sinon from 'sinon';
import sinonChai from 'sinon-chai';
import { Request, Response } from 'express';
import createProductController from '../../../src/controllers/products.controller';
import productsService from '../../../src/services/products.service';

chai.use(sinonChai);

describe('ProductsController', function () {
  const req = {} as Request;
  const res = {} as Response;

  beforeEach(function () {
    res.status = sinon.stub().returns(res);
    res.json = sinon.stub().returns(res);
    sinon.restore();
  });

  describe('createProductController', function () {
    it('should create a new product and return the result', async function () {
      const req = {
        body: {
          name: 'Product Name',
          price: "9.99",
          userId: 1
        }
      } as Request;

      const product = {
        name: 'Product Name',
        price: "9.99",
        userId: 1
      };

      const expectedResult = {
        id: 1,
        name: 'Product Name',
        price: "9.99",
        userId: 1
      };

      sinon.stub(productsService, 'createProduct').resolves(expectedResult);

      await createProductController.createProductController(req, res);

      expect(res.status).to.be.calledWith(201);
      expect(res.json).to.be.calledWith(expectedResult);
    });
  });
});

// PRODUCTS SERVICE TESTS

import { expect } from 'chai';
import sinon from 'sinon';
import createProduct from '../../../src/services/products.service';
import ProductModel from '../../../src/database/models/product.model';

describe('ProductsService', function () {
  beforeEach(function () { sinon.restore(); });

  describe('createProduct', function () {
    it('should create a new product', async function () {
      const product = {
        name: 'Test Product',
        price: "10.99",
        userId: 1,
      };

      const createStub = sinon.stub(ProductModel, 'create').resolves();
      const countStub = sinon.stub(ProductModel, 'count').resolves(1);

      const result = await createProduct.createProduct(product);

      expect(createStub.calledOnceWith(product)).to.be.true;
      expect(countStub.calledOnce).to.be.true;
      expect(result).to.deep.equal({
        id: 1,
        name: product.name,
        price: product.price,
        userId: product.userId,
      });
    });
  });
});