Book Image

Advanced Node.js Development

By : Andrew Mead
Book Image

Advanced Node.js Development

By: Andrew Mead

Overview of this book

Advanced Node.js Development is a practical, project-based book that provides you with all you need to progress as a Node.js developer. Node is a ubiquitous technology on the modern web, and an essential part of any web developer’s toolkit. If you're looking to create real-world Node applications, or you want to switch careers or launch a side-project to generate some extra income, then you're in the right place. This book was written around a single goal: turning you into a professional Node developer capable of developing, testing, and deploying real-world production applications. There's no better time to dive in. According to the 2018 Stack Overflow Survey, Node is in the top ten for back-end popularity and back-end salary. This book is built from the ground up around the latest version of Node.js (version 9.x.x). You'll be learning all the cutting-edge features available only in the latest software versions. This book delivers advanced skills that you need to become a professional Node developer. Along this journey you'll create your own API, you'll build a full real-time web app and create projects that apply the latest Async and Await technologies. Andrew Mead maps everything out for you in this book so that you can learn how to build powerful Node.js projects in a comprehensive, easy-to-follow package designed to get you up and running quickly.

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Table of Contents (17 chapters)
Title Page
Title Page
Copyright and Credits
Copyright and Credits
Packt Upsell
Packt Upsell
Contributors
Contributors
Preface
Preface
Free Chapter
1
Getting Set Up
Getting Set Up
Installing MongoDB and Robomongo for Linux and macOS
Installing MongoDB and Robomongo for Windows
Summary
2
MongoDB, Mongoose, and REST APIs – Part 1
MongoDB, Mongoose, and REST APIs – Part 1
Connecting to MongoDB and writing data
The ObjectId
Fetching data
Setting up the repo
Deleting documents
Updating data
Summary
3
MongoDB, Mongoose, and REST APIs – Part 2
MongoDB, Mongoose, and REST APIs – Part 2
Setting up Mongoose
Validators, Types, and Defaults
Installing Postman
Resource Creation Endpoint - POST /todos
Testing POST /todos
List Resources - GET /todos
Testing GET /todos
Summary
4
MongoDB, Mongoose, and REST APIs – Part 3
MongoDB, Mongoose, and REST APIs – Part 3
Mongoose queries and ID validation
Getting an individual resource – GET /todos/:id
Testing GET /todos/:id
Deploying the API to Heroku
Postman environments
Deleting a resource – DELETE /todos/:id
Testing DELETE /todos/:id
Updating a Resource - PATCH /todos/:id
Testing PATCH /todos/:id
Creating a Test database
Summary
5
Real-Time Web Apps with Socket.io
Real-Time Web Apps with Socket.io
Creating a new web app project
Adding Socket.io to an app
Emitting and listening to custom events
Broadcasting events
Summary
6
Generating newMessage and newLocationMessage
Generating newMessage and newLocationMessage
Message generator and tests
Event acknowledgements
The message form and jQuery
Geolocation
Summary
7
Styling Our Chat Page as a Web App
Styling Our Chat Page as a Web App
Styling the chat page
Timestamps and formatting with Moment
Printing message timestamps
Mustache.js
Autoscrolling
Summary
8
The Join Page and Passing Room Data
The Join Page and Passing Room Data
Adding a join page
Passing room data
Socket.io rooms
Summary
9
ES7 classes
ES7 classes
Storing users with ES6 classes – Part I
Wiring up user list
Sending messages to room only
New feature ideas
Summary
10
Async/Await Project Setup
Async/Await Project Setup
Using async/await features in promises
Async/await basics
A real-world example
Handling errors and awaiting async function
Summary
Other Books You May Enjoy
Other Books You May Enjoy
Leave a review - let other readers know what you think
Index
Index

Testing POST /todos

In this section, you're going to learn how to set up the test suite for the Todo API, similar to what we did in the test section, and we'll be writing two test cases for /todos. We're going to verify that when we send the correct data as the body, we get a 200 back with the completed doc, including the ID; and, if we send bad data, we expect a 400 back with the error object.

Installing npm modules for testing POST /todos route

Now before we can do any of this, we have to install all of those modules we installed in the test section, expect for assertions, mocha for the entire test suite, supertest to test our Express routes, and nodemon. The nodemon module is going to let us create that test-watch script we had, so we can automatically restart the test suite. Now I know you have nodemon installed globally, but since we are using it inside of a package.json script, it's a great idea to install it locally as well.

We're going to run npm i with expect version 22.3.0, the most...

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