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Learn Java Unit Testing with JUnit 5 in 20 Steps [Video]

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Learn Java Unit Testing with JUnit 5 in 20 Steps [Video]

Ranga Karanam

Friday, May 25, 2018

JUnit tutorial for beginners with examples

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Video Details

ISBN 13 9781789340648

Course Length 3 hours 5 minutes

JUnit 5

Introduction

Course Overview

Step 01 - Introduction to Unit Testing - Test Pyramid

Step 02 - First Junit Test - Red bar

Step 03 - Absence of failure is success

Step 04 - First Unit Test with JUnit - String length() method

Step 05 - Writing JUnit Assertions - assertNull and assertTrue

Step 06 - Writing Assertions for Arrays - assertArrayEquals

Step 07 - Setting up data for every test - @BeforeEach, @AfterEach

Step 08 - Setting up database connections - @BeforeAll, @AfterAll

Step 09 - Tip - Testing Exceptions with Junit

Step 10 - Tip - @DisplayName and test methods need not be public

Step 11 - Basics of Parameterized tests

Step 12 - Advanced Paramaterized Tests with Csv Source

Step 13 - Tip - Giving a name to a Parameterized Test

Step 14 - Tip - Repeat same test multiple times

Step 15 - Tip - Unit Testing for Performance

Step 16 - Tip - Disable Unit Tests

Step 17 - Tip - Grouping Tests with @Nested

Step 18 - Tip - JUnit 5 = Platform + Jupiter + Vintage

Step 19 - Tip - JUnit 4 vs JUnit 5

Step 20 - Tip - JUnit Best Practices

Step 21 - Tip - JUnit Patterns - xunitpatterns

JUnit 4

Step 99 - JUnit 4 Section - First Version of the course

Getting Ready for Hello World

Your First JUnit Success - Green Bar

Refactoring: Improving the Junit

assertTrue and assertFalse

@Before and @After

@BeforeClass and @AfterClass

Comparing Arrays - assertArrayEquals

Unit Testing Exceptions

Unit Testing for Performance

Parameterized JUnit Tests

Organizing Unit Tests into Suites

How do you write good Unit Tests?

Conclusion

Video Description

JUnit is a unit testing framework for the Java programming language.
JUnit has been important in the development of test-driven development and is one of a family of unit testing frameworks which is collectively known as xUnit frameworks.
In this beginners tutorial on JUnit, you will learn how to

Create a new project for JUnit tests
Create, run and debug JUnit tests
Write good unit tests
Use assert methods
Use basic JUnit annotations - @Test, @Before, @After, @AfterClass, @BeforeClass, @Suite
Test performance and exceptions in unit tests
Write parameterized tests
Adhere to JUnit best practices
Use Eclipse to write and run JUnit tests

Style and Approach

This course offers a quick intro to JUnit covering the key features of the framework.

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What You Will Learn

Write clean unit tests with the JUnit framework
Use JUnit annotations @Test, @Before, @After, @AfterClass, @BeforeClass, @Suite
Use JUnit assert methods
Write unit tests for exceptions and performance

Authors

Ranga Karanam

Ranga Karanam is an architect with 15 years' Java programming and design experience with major banking clients across the world. He started in28Minutes with the aim of creating hands-on courses with real-world projects. The Step-By-Step series of courses is one of his creations. They use a problem-solution-based, step-by-step approach with practical, and real-world application examples. While their primary expertise is in the development, design, and architecture of Java and related frameworks (Spring, Spring Boot, Spring MVC, Struts, Hibernate), and are expanding into the front-end world (Bootstrap, JQuery, Angular JS). The foundations for building high-quality applications are best laid down while learning. They love open source and therefore all their code is open source too and available on GitHub. We use the 80-20 Rule. We touch upon other things briefly, equipping you with enough knowledge to find out more on your own.

JUnit 5

Introduction

Course Overview

Step 01 - Introduction to Unit Testing - Test Pyramid

Step 02 - First Junit Test - Red bar

Step 03 - Absence of failure is success

Step 04 - First Unit Test with JUnit - String length() method

Step 05 - Writing JUnit Assertions - assertNull and assertTrue

Step 06 - Writing Assertions for Arrays - assertArrayEquals

Step 07 - Setting up data for every test - @BeforeEach, @AfterEach

Step 08 - Setting up database connections - @BeforeAll, @AfterAll

Step 09 - Tip - Testing Exceptions with Junit