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JUnit 5 - A Complete Practical Guide
Rating: 2.7 out of 5(2 ratings)
1,009 students

JUnit 5 - A Complete Practical Guide

Become an Automation Test engineer and learn JUnit 5, one of the most popular unit-testing frameworks in Java ecosystem.
Created byUplatz Training
Last updated 9/2025
English
English [Auto],

What you'll learn

  • Understand Unit Testing and JUnit 5: Explain the importance of unit testing in software development and distinguish JUnit 5 features from previous versions.
  • Setup and Configure JUnit 5 in a Maven Project: Add and configure the JUnit 5 dependency in a Maven project, ensuring a seamless testing environment.
  • Apply JUnit 5 Annotations Effectively: Use core JUnit 5 annotations (e.g., @Test, @BeforeEach, @AfterEach) to control test execution and setup.
  • Implement Repeated Testing: Utilize the @RepeatedTest annotation to run tests multiple times and ensure code reliability under repetitive execution.
  • Assert Correctness with JUnit 5 Assertions: Leverage various JUnit 5 assertion methods to validate expected outcomes in unit tests.
  • Manage Test Execution Time: Implement timeout strategies using JUnit 5 timeout annotations to ensure that tests complete within acceptable limits.
  • Test Exception Scenarios: Write tests to capture and validate expected exceptions, confirming that error handling works as intended.
  • Utilize Parameterized Tests for Data-Driven Testing: Create parameterized tests in JUnit 5 to run the same test logic with different input data sets.
  • Filter and Organize Tests Using Tagging: Use tagging and filtering to group tests and selectively execute subsets, optimizing the testing workflow.
  • Integrate Unit Testing with Spring Boot: Apply unit and integration testing practices for Spring Boot repositories and components, including Hamcrest framework.

Course content

14 sections • 16 lectures • 6h 40m total length

  • JUnit Introduction20:40

    Learn how Java developers use JUnit 5 for unit testing in development, and explore the unit platform, Jupiter engine, vintage compatibility, and Maven with annotations.

Requirements

  • Enthusiasm and determination to make your mark on the world!

Description

A warm welcome to the JUnit 5 course by Uplatz.


JUnit is a popular unit-testing framework in the Java ecosystem. JUnit 5 added many new features based on the Java 8 version of the language. JUnit 5 is the most widely used testing framework for Java applications. For a very long time, JUnit has been doing its job perfectly.

This JUnit 5 course will help you learn how to understanding why unit tests are important, structure of good unit tests, dynamic and parameterized tests, extensions, code coverage, create and execute unit tests with JUnit 5, and many more topics. This JUnit course focuses on the usage of the framework.


JUnit 5 consists of several different modules:

  • JUnit Jupiter: JUnit Jupiter includes new programming and extension models for writing tests. It has all new JUnit annotations and TestEngine implementation to run tests written with these annotations.

  • JUnit Platform: To be able to launch junit tests, IDEs, build tools or plugins need to include and extend platform APIs. It defines the TestEngine API for developing new testing frameworks that runs on the JUnit platform. It also provides a Console Launcher to launch the platform from the command line and build plugins for Gradle and Maven.

  • JUnit Vintage: It provides support to run JUnit 3 and JUnit 4 written tests on the JUnit 5 platform. It’s there is backward compatibility.


JUnit 5 - Course Syllabus


  • JUnit Introduction

  • Adding JUnit5 dependency in Maven project

  • JUnit5 Annotations

  • JUnit5 @RepeatedTest Annotation

  • JUnit5 Assertions

  • JUnit5 Timeouts

  • JUnit5 Expected Exceptions

  • JUnit5 Parameterized Tests

  • JUnit5 How to run Unit Test with Maven

  • JUnit5 Tagging and Filtering

  • Hamcrest Framework

  • Unit Testing on Spring Boot Repository

  • Spring Boot Integration Testing

Who this course is for:

  • DevOps Engineers
  • Automation Test Engineers
  • Java Developers - Docker/JUnit
  • Java Testing Specialists
  • Beginners & newbies aspiring for a career in Software Testing
  • Anyone interested in Java testing frameworks
  • Java Test Engineers
  • Software Test Engineers
  • QA Analysts
  • Software Developers
  • Cloud Engineers
  • Java Software Engineers
  • DevOps Testing Specialists

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