Advanced Node.js Development

Adding describe block for the test cases

I'm going to use describe to group all of the routes. I'm going to have multiple test cases for some routes, and it's nice to add a describe block so you can quickly glance at the test output in the Terminal. The describe block for POST Todos will simply be called POST /todos. Then, we can add our arrow function (=>), and inside of here we can start laying out our test cases. The first test is going to verify that when we send the appropriate data, everything goes as expected:

const {Todo} = require('./../models/todo');describe('POST /todos', () => {
  it('should create a new todo')
});

Now, we can add our callback function, and this function is going to take the done argument because this is going to ...