sinon-setup.js

const chai = require('chai');
const sinon = require('sinon');
const expect = chai.expect;
const {createTodo, listTodos} = require('./todoController');

describe('todoController', function() {
    
    beforeEach(function() {
        req = {body: {text: 'Go to the meeting!'}, db: {TodoModel: {create: null, findAll: null}}};
        res = {json: sinon.fake()};
        next = sinon.fake();
    });
    
    afterEach(function() {
        sinon.restore();
    });

    describe('createTodo', function() {
        it('text should be provided');
        it('should send success result if todo is saved to database');
        it('should send fail result if todo is not saved to database');
    });
    
    describe('fetchTodos', function() {
        it('should send a list of todos with success message');
        it('should send fail result if todo is not fetched from database');
    });
});