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Next.js Testing Strategies🧪

Intermediate→Advanced

Next.js 16

Build confidence in your Next.js applications. Learn unit testing, component testing, API testing, and end-to-end testing with modern tools.

5

Sections

20

Lessons

16

Challenges

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20 lessons and 16 challenges, all 100% free.

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Setting Up Jest

Vitest Alternative

Next.js Jest Helper(Sign in required)

Beginner+10 Mana

Njs Challenge Test Environment(Sign in required)

Beginner+10 Mana

Test File Organization

Coverage Command(Sign in required)

Beginner+10 Mana

Component Test Setup Order(Sign in required)

Beginner+10 Mana

Testing Client Components

Testing Server Components

Njs Challenge FireEvent(Sign in required)

Beginner+10 Mana

Testing Async Components(Sign in required)

Intermediate+10 Mana

Testing Custom Hooks

Snapshot Testing

Testing Hooks(Sign in required)

Intermediate+10 Mana

Testing Route Handlers

Testing Server Actions

Creating Test Requests(Sign in required)

Intermediate+10 Mana

Njs Challenge Test Formdata(Sign in required)

Beginner+10 Mana

Testing with a Test Database

Test Isolation(Sign in required)

Intermediate+10 Mana

Playwright Setup

Writing Playwright Tests

Auto-Start Dev Server(Sign in required)

Intermediate+10 Mana

Navigating in Tests(Sign in required)

Beginner+10 Mana

Cypress Alternative

Visual Regression Testing

Visual Regression Assertion(Sign in required)

Intermediate+10 Mana

Mocking APIs with MSW

Database Mocking

Njs Challenge Msw Handler(Sign in required)

Intermediate+10 Mana

Njs Challenge Mock Reset(Sign in required)

Beginner+10 Mana

Test Doubles: Mocks, Stubs, Spies

Testing in CI/CD

Test Double Types(Sign in required)

Intermediate+15 Mana

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20 interactive lessons and 16 hands-on challenges — learn in VS Code, Cursor, or the web.