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All LessonsFree Lessons (4)

Introduction

Overview Introduction to the Course

Getting Started

What Is NestJS?Start Building a NestJS Application The Default Dependencies Understanding Modules Services in NestJS Controllers in NestJS Quiz on NestJS Building Blocks

NestJS CLI

Installing the NestJS CLI Creating a NestJS Application Start a NestJS Application Generating Controllers, Services, and Module From the CLI Quiz on NestJS CLI

Building a REST API

API Design Generating Modules, Controllers, and Services Entity Definition Getting a List of Resources Creating DTOs Creating Resources Getting Resources by ID Updating Resources by ID Deleting Resources by ID Adding Search Functionality Quiz on RESTful API Development with NestJS

Validation and Error Handling

Overview of Pipes in NestJS Custom Pipe Adding Validation Rules to the DTO Class Quiz on NestJS Data Validation and Security Fundamentals

Working with Databases

Connecting to PostgreSQL using TypeORM Implementing CRUD Operations with the TypeORM Repository Advanced Queries with TypeORM QueryBuilder Introduction to Relationships in TypeORM Quiz on TypeORM

App Configuration

Setting Up Environment Variables in a NestJS Application Configuration Validation with Joi Quiz on App Configuration

Authentication

Setting Up the Auth Module, Controller, Service, and Repository Implementing Sign-Up Implementing Sign-In Using JSON Web Tokens (JWTs) for User Authorization Adding Route Protections with Guards Getting the Current User with a Custom Decorator Quiz on Authentication

Authorization

Defining User Roles Understanding Role Retrieval in Guards Implementing Role-Based Authorization Quiz on Authorization

Testing

Testing Authentication Services

Unit Testing for the signUp Method of AuthService

Unit Testing for the Unregistered Email Scenario During Sign-In

Unit Testing for the Invalid Password Scenario During Sign-In

Unit Testing for the Valid Credentials Scenario During Sign-In

Setting Up End-to-End Testing for Authentication

E2E Tests for a Sign-Up Scenario

E2E Tests for a Sign-In Scenario

Quiz on Testing in NestJS

Logging

Introduction to Logging Quiz

Wrapping Up

Project

Build a Rest API for an Image-Sharing App With Node.js

Building a Back-End Application with NestJS/

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E2E Tests for a Sign-Up Scenario

E2E Tests for a Sign-Up Scenario

Learn how to write end-to-end tests for sign-up scenarios.

We'll cover the following...

With the configuration set up, let’s write our E2E tests for the sign-up scenario.

Test: Successful registration

In this test, we’ll verify if a new user can successfully sign up. We’ll send a request with a unique email and password and expect the system to create a new user account.

DATABASE_USER=postgres
DATABASE_PASSWORD=pwd123
DATABASE_PORT=5432
DATABASE_HOST=localhost
DATABASE_NAME=test_database
JWT_SECRET=*3:DX*5,M2`j_q{n>je6
JWT_EXPIRES_IN=3600

E2E test for successful user registration

We’re using request to send a POST request to the /auth/signup endpoint. The .send method includes the new user credentials. We expect a 201 Created status, indicating successful registration, as seen in lines 26–31.

Press the “Run” button to launch the test.

As we can see, ...