Mocha + chai - rest api template

api.test.js

const chai = require('chai');
const chaiHttp = require('chai-http');
const { afterEach, describe, it } = require('mocha');

chai.use(chaiHttp);
const expect = chai.expect;

// Server URL
const serverUrl = 'http://localhost:3000';

describe('API Tests', () => {
  let createdEntityId;

  afterEach(async () => {
    // Cleanup created resources
    if (createdEntityId) {
      await chai.request(serverUrl)
        .delete(`/api/entities/${createdEntityId}`);
    }
  });

  it('should create an entity', async () => {
    const res = await chai.request(serverUrl)
      .post('/api/entities')
      .send({ name: 'Test Entity' });

    expect(res).to.have.status(200);
    expect(res.body).to.have.property('id');
    createdEntityId = res.body.id;
  });

  it('should get an entity by ID', async () => {
    // Assuming we have an existing entity with ID 123
    const entityId = 123;

    const res = await chai.request(serverUrl)
      .get(`/api/entities/${entityId}`);

    expect(res).to.have.status(200);
    expect(res.body).to.have.property('id', entityId);
  });

  it('should update an entity by ID', async () => {
    // Assuming we have an existing entity with ID 123
    const entityId = 123;

    const res = await chai.request(serverUrl)
      .put(`/api/entities/${entityId}`)
      .send({ name: 'Updated Entity' });

    expect(res).to.have.status(200);
    expect(res.body).to.have.property('id', entityId);
    expect(res.body).to.have.property('name', 'Updated Entity');
  });

  it('should delete an entity by ID', async () => {
    // Assuming we have an existing entity with ID 123
    const entityId = 123;

    const res = await chai.request(serverUrl)
      .delete(`/api/entities/${entityId}`);

    expect(res).to.have.status(200);
    expect(res.body).to.have.property('message', 'Entity deleted successfully');
  });
});