Writing JUnit 5 Tests

Writing JUnit 5 Tests

See Also - Marco Codes

In addition to this tutorial, we recommend you check out Marco Codes - JUnit Tutorial - Crash Course to learn how to use JUnit 5 like a professional including:

Understand what Maven/Gradle dependencies you'll need
How to write tests
How to use other assertion libraries like AssertJ and asserting JSON & XML
Explore new JUnit 5 features like @ParameterizedTests, @TestFactorys, and @ExtendWith

Introduction

Introduction to writing JUnit 5 Tests

Setting up Gradle for JUnit 5

Laying the foundations for Writing JUnit 5 Tests

Creating and running a test

Getting a JUnit 5 Test running

Optional Configuration

Configure parameters and how tests are run

Disabling or Ignoring Tests

Using JUnit 5 annotations to disable tests

Helpful Test Names for Display

Making your code more readable

Live Templates Tip

Use Live Templates to create tests faster

Multiple Assertions

Managing the situation where you have to check more than one assertion

Test Assumptions

Writing your test assumptions

Data Driven Tests

Using parameterised tests

Checking Exceptions

Testing that exceptions are correctly thrown

Grouping Tests

Writing nested tests

Shortcuts used in the tutorial