const expect = require('chai').expect;
const { getDaysFromNow, getDays} = require('../../dateUtils');
 
beforeAll(() => {
    jest.useFakeTimers();
    jest.setSystemTime(new Date('2025-02-13'));
});
 
afterAll(() => {
    jest.useRealTimers();
});
 
describe('dateUtils', () => {
    // TODO Añadir casos de prueba para la función getYearsFromNow
 
    it('getDaysFromNow', () => {
        let days = getDaysFromNow(new Date('2025-02-12'));
        expect(days).equal(1);
 
        days = getDaysFromNow(new Date('2025-01-13'));
        expect(days).equal(31);
    });
 
    it('getDays', () => {
        let days = getDays(new Date('2025-01-12'), new Date('2025-01-15'));
        expect(days).equal(3);
 
        days = getDays(new Date('2025-01-01'), new Date('2024-01-01'));
        expect(days).equal(366);
 
        days = getDays(new Date('2024-01-01'), new Date('2024-01-01'));
        expect(days).equal(0);
    });
});

. . .
"scripts": {
    "unit-test": "jest src/test/unit",
    . . .
. . .

santi@zenbook:$ npm install -g jest

- Caso de uso: Ok (200 OK)

const chai = require('chai');
const expect = chai.expect;
const chaiHttp = require('chai-http');
 
const app = require('../../app').app;
 
chai.use(chaiHttp);
chai.should();
 
describe('cities', () => {
  describe('GET /cities', () => {
    it('should get all cities', (done) => {
      chai.request(app)
        .get('/cities')
        .end((error, response) => {
           response.should.have.status(200);
           response.body.should.be.a('array');
           expect(response.body[0]).to.have.property('name');
           expect(response.body[0]).to.have.property('altitude');
           expect(response.body[0]).to.have.property('population');
           expect(response.body[0]).to.have.property('foundationDate');
           expect(response.body[0]).to.have.property('age');
           expect(response.body[0]).to.have.property('area');
           expect(response.body[0]).to.have.property('density');
 
           expect(response.body[0].name).to.equal('Zaragoza');
           expect(response.body[1].name).to.equal('Madrid');
           done();
         });
    });
  });
});

- Caso de uso: Registro (201 Created)

it('should register a new city', (done) => {
  chai.request(app)
    .post('/cities')
    .send({
      name: 'cityName',
      population: 100,
      altitude: 200,
      foundationDate: '2005-10-10',
      area: 1000
    })
    .end((error, response) => {
      response.should.have.status(201);
      expect(response.body).to.have.property('id');
      expect(response.body).to.have.property('name');
      expect(response.body).to.have.property('population');
      expect(response.body).to.have.property('altitude');
      expect(response.body).to.have.property('foundationDate');
      expect(response.body).to.have.property('age');
      expect(response.body).to.have.property('area');
      expect(response.body).to.have.property('density');
      done();
    });
});

- Caso de uso: Validación (400 Bad Request)

it('validation should fail because name is mandatory', (done) => {
  chai.request(app)
    .post('/cities')
    .send({
      population: 100,
      altitude: 200,
      foundationDate: '2005-10-10',
      area: 1000
    })
    .end((error, response) => {
      response.should.have.status(400);
      expect(response.body.status).to.equal('bad-request');
      expect(response.body.message).to.equal('name field is mandatory');
      done();
    });
});

© 2024 Santiago Faci