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The Complete Next.js Testing Course

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Chapter 01

How To Get the Most out of This Course

  • Meet Adrian, Your Instructor

    Free
  • Get the Most Out of This Course

    Free
  • Access to a Private 24/7 Community

    Free
  • Environment Setup

    Free

Chapter 02

Introduction to Next.js Testing

  • Welcome to the Course

  • Prerequisites

  • Introduction to Testing

Chapter 03

Types of Testing

  • Introduction to Types of Testing

  • Testing by Scope

  • Testing by Knowledge

  • Testing by Purpose

  • Testing by Execution

Chapter 04

Testing Strategies

  • Introduction to Testing Strategies

  • The Testing Pyramid

  • The Ice Cream Cone Anti-Pattern

  • The Testing Trophy

  • The Honeycomb Strategy

  • The Testing Diamond

  • Choose The Right Testing Strategy

  • Building (and Evolving) Your Testing Strategy

Chapter 05

Testing Workflow in Next.js

  • Git & GitHub

  • IDE — Integrated Development Environment

  • Node.js

  • Docker

Chapter 06

Testing Tools

  • Introduction to Testing Tools

  • Unit Testing Tools

  • Frontend Testing Tools

  • API and Backend Testing Tools

  • End-to-End Testing Tools

  • Common Misunderstandings

Chapter 07

Unit Testing

  • Introduction to Unit Testing

  • Setting Up the Testing Environment

  • Testing the Input Field Component

  • Testing the Image Upload Component

  • Testing the Text Area Component

  • Testing socialFields Component

  • Testing the ProfilePreview Component

  • Unit Testing Best Practices

Chapter 08

Integration Testing

  • Sign-in Page Testing

Chapter 09

End-to-End (E2E) Testing

  • Installing Playwright & Configuration

  • Setting Up Test Database (Global Setup)

  • Global Auth Setup for Tests

  • Writing the E2E Question Flow Test

Chapter 10

Applied Testing: Setup

  • Introduction to DevOverflow

  • Running DevOverflow Locally

  • Setup Testing Environment

  • Code Architecture

  • Your First Test in DevOverflow

Chapter 11

Applied Testing: Unit Testing

  • Form Rendering

  • Form Rendering (Active Lesson)

  • Form Validation

  • Form Validation (Active Lesson)

  • Form Submission

  • Scalable Mock Implementation

  • Resetting Mocks & `beforeEach`

  • Form Success

  • Failure Handling (Active Lesson)

  • Question Form

  • Mock Editor

  • Question Form Rendering

  • Question Form Validation (Active Lesson)

  • Question Submission

  • Question Failure (Active Lesson)

  • Mock Next Auth

  • Answer Form for Authenticated Users

  • Answer Form for Non-Logged-In Users (Active Lesson)

  • Answer Form Submission

  • Mock Question Card Components

  • Question Card

  • Question Card Conditional Rendering (Active Lesson)

  • Question Card Responsiveness

  • Question Card Responsiveness (Active Lesson)

  • Complete Recap: Applied Testing: Unit Testing

Chapter 12

Applied Testing: Server Side

  • Introduction

  • Preparing to Run Server Side Tests

  • Database Setup

  • Jest Integration Setup

Chapter 13

Applied Testing: Server Actions

  • Server Action Validation

  • Server Action Logic

  • Server Action Query

Chapter 14

Applied Testing: AI Integration Tests

  • Introduction

  • AI Generation

Chapter 15

Applied E2E: Browsers & Device Emulation

  • Introduction To Playwright Browsers

  • Cross-Browser Setup with Playwright

  • Advanced Auth Setup (Browser-Specific)

Chapter 16

Applied Testing: End-to-End Testing

  • Installing Playwright & Configuration

  • Your First E2E Test

  • Setting Up Test Database (Global Setup)

  • Fixtures and Types

  • Seeders and Static Fixtures

  • Global Auth Flow

  • Writing the E2E Question Flow Test

  • Playwright Fixture

  • Question Flow

  • Answer Flow

  • User Profile Flow

Chapter 17

Applied Testing: Accessibility Tests

  • Introduction

  • Setup

  • Auth Accessibility

Chapter 18

Applied Testing: Visual Regression

  • Introduction

  • Authentication Visual Regression

Chapter 19

Applied Testing: Performance & Load Tests

  • Introduction

  • Lighthouse Integration

  • Artillery Integration

  • Load Testing

Chapter 20

Applied Testing: Continuous Integration & Deployment (CI/CD)

  • Introduction

  • Designing an Optimized CI/CD Pipeline

Chapter 21

Applied Testing: GitHub Actions

  • Workflow

  • Jobs

  • Lint & Type Check

  • Unit & Integration Jobs

  • E2E Jobs

  • Playwright Config

  • Deploy

Chapter 22

Applied Testing: Circle CI

  • Introduction

  • Workflow

Chapter 23

AI-Powered Testing Workflows

  • Prompt Engineering For Test Generation

  • Writing Tests with ChatGPT

  • Writing Tests with Claude (Anthropic)

  • Test With Gemini CLI

  • Using JetBrains AI Assistant

  • Free AI Extension for VS Code

  • Answer Flow

  • User Profile Flow

  • Playwright Fixture

Course

Meet Adrian, Your Instructor

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    Get the Most Out of This Course

    You and I are about to dive into an exciting journey as you work your way through this course. So, let me introduce myself.

    I’m Adrian, and you might recognize my voice from my YouTube channel, where I’ve spent years creating tutorials that have reached millions of learners worldwide.

    I’m a GitHub star, conference speaker and an educator, and I’ve been doing this for almost a decade. Over time, I’ve been honored to teach a growing community of over 1 million developers, with videos that have accumulated nearly 100 million views and been watched for over 10 million hours. That’s like someone watching non-stop for over 1,140 years!

    But beyond the numbers, the most fulfilling part of this journey has been hearing from developers like you—people who’ve turned their dreams into reality. Many of them have landed their first developer jobs, transitioned into tech careers, or even launched successful startups after completing one of my courses.

    Take Gary from the US, for example. He said, "Adrian is a great teacher, very informative material and makes learning a subject like Next.js much more enjoyable than if I tried to learn it on my own."

    Or Nana from Ghana, who shared: "This course has been a game-changer for me. If you're on the fence about purchasing, let me assure you: this course has everything you need to become an industry-standard developer."

    And there’s Vamshi from India, who said: "Thank you, bro! Your course is helping me a lot both from YouTube and here."

    These are just a few of the thousands of success stories I’ve heard over the years. And now, it’s your turn to put in the time, trust the process, and make these skills your own.

    I’m here to guide you every step of the way, so let’s dive right in!