JUnit and Mockito Crash Course from Udemy

Sample of the reviews:

Very good teacher, knows the material. Hands on exercises that are quick to write, but very useful to support the learning of the course content. I'll keep these tiny projects and I'll refer to it often when coding. I've learned a lot about JUnit testing and Mockito, but also about other tools useful in software unit testing: Ex: Spring, shortcuts in Eclipse. - Guy Audet

Very well explained, to the point, on short interval to grasp the content. Every lecture has purpose achieved. Simple examples. Really nice course. - Kaushal Trivedi

I enjoyed the course. The Course is well structured, principles were clearly explained, the sound and picture quality was good. I recommend the course to everyone who would like to begin with java unit testing. Thanks, Bharath. - Mario Banay

Are you a java developer who want to become an expert at Unit Testing ? Then this course is a quick practical guide for you. Learn how to write real unit tests using JUnit and Mockito. This course will simplify things with concepts and step by step implementations .

There are so many java professionals who write great code , but not unit tests. This course aims at filling that gap by covering JUnit and Mockito the two required frameworks to write good unit tests.

Learn and master the most popular unit testing technologies in this comprehensive course.

Understand the importance of writing Unit Tests
Updated to use the latest versions of JUnit and Mockito
Learn the Syntax of JUnit 4 and 5
Demystify the topics of Mocking
Write Unit tests using JUnit and Mockito
Learn what test coverage is and how to measure it
Run unit tests as a part of your Maven build
Learn how to Unit Test Spring Boot Applicaiton
All in easy steps

Mastering Unit Testing for Java Professionals:

JUnit is a open source Framework to test and assert code behavior . Mockito mocks out the dependencies and stub the expectations allowing testing a particular layer/unit in isolation.

Any java developer at any level can access the key lessons and concepts in this course and learn to write quality unit tests.

This course is perfect for every java developer who works on building high quality applications .

Contents and Overview:

In over 4 hours of lectures this course covers necessary JUnit API and its usage with Mockito.

This course covers the importance of unit testing , how to effectively use JUnit ,how mocking works and how to use Mockito to write real unit tests.

Up on completion you will be able to test Java and Spring Boot applications ,run unit tests as a part of your build and measure code coverage and improve it.

What's inside

Learning objectives

Learn what unit testing is
Understand the importance of unit testing
Learn the junit framework and api
Learn what mocking is and why we should mock
Write tests using junit and mockito

Learn what test coverage is and how to measure it
All in simple and easy steps
Spring testing quick start
Powermock quick start
Parameterized junit

Learn what unit testing is
Understand the importance of unit testing
Learn the junit framework and api
Learn what mocking is and why we should mock
Write tests using junit and mockito
Learn what test coverage is and how to measure it
All in simple and easy steps
Spring testing quick start
Powermock quick start
Parameterized junit

Syllabus

Software Setup

Installing Java SDK and Eclipse IDE

Download the completed projects

Introduction

Course Introduction

Unit Testing Introduction

JUnit in Action

Improving the Coverage

JUnit Introduction

JUnit Introductioin

Hello JUnit

Maven Introduction

Testing for Exceptions

Exceptions

@Before and @After

Before and After

Using JUNIT 5

Create the project

Fix the annotations

Assert Exceptions

Run Tests

Run Tests using Maven

Rest of the course

JUNIT 5 and Mockito in Action

Download and Setup Project

Code Walk Through

Mocking Introduction

More Mockito

Test PlaceOrder

Test Negative Scenario

Test Exceptions

Test Cancel Order

Refactor and Test Negative Scenario

Exception Scenarios

Stubbing and setting expectations

Test Coverage

EclEmma Installation

Measuring coverage using Emma

Verification Mode

Verify More

Setup ScrapBook Project

Stub Void Methods Implicitly

Stub Void Methods Explicitly

Use doNothing to test Consecutive calls

Best Practices and Patterns

The F.I.R.S.T Principle

Test Doubles Introduction

Test Doubles In Mockito

Partial Mocking Using Mockito Spy

Spy vs Mock

Section 10 - Test Maven Java Web Application

Download and Setup the Project

Create the Test and Mocks

Test doGet

Test doPost

Parameterized JUnit

Setup Calculator Project

Create The Static Data Set Method

Create or Update The Test

The Parameterized Test Flow

Parameterized JUnits

Mocking Static Methods

Project Download and Setup

Mock Static Methods

Create Spring Boot Micro Services

Usecase

Install Spring Tool Suite

Configure JDK in STS

Install MySql

Install MySql workbench

Create the database tables

Create model and repos

Create the Rest Controller

Configure the DataSource

Test

Create the Project Model and Repository

Create the RestController

Configure the data source

Integrate Microservices

Integration Testing

Refactoring

Test Spring Boot Applications

Add Mockito Dependency

Test create method

Test getCoupon method

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Taught by Bharath Thippireddy, who is recognized for their work in Unit Testing

Teaches JUnit 5 and Mockito, which are modern software testing tools

Begins with easy steps and gradually progresses to advanced topics

Practical guide to writing real unit tests

Thoroughly explains Mocking

Covers integral topics for Java developers, including integration testing, parameterized JUnit

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in JUnit and Mockito Crash Course with these activities:

Attend a Unit Testing Meetup

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Attend a unit testing meetup to connect with other professionals and learn about industry best practices.

Browse courses on Networking

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Find a local or virtual unit testing meetup.
Register for the meetup and plan to attend.
Prepare any questions or topics you would like to discuss.
Network with other attendees and share your experiences.
Follow up with any connections you make after the meetup.

Find a Unit Testing Mentor

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Connect with a mentor who can provide guidance and support on unit testing practices.

Browse courses on Unit Testing

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Identify potential mentors in your network or online platforms.
Reach out to mentors and express your interest in their guidance.
Schedule regular meetings or calls to discuss your progress.
Seek feedback and advice on your unit testing approach.
Build a supportive relationship with your mentor.

Java Refresher

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Review key Java concepts to strengthen your understanding before starting the course.

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Review the basics of Java syntax.
Practice writing simple Java programs.
Review object-oriented programming concepts.
Test your understanding through online quizzes or exercises.
Seek clarification on any unclear concepts.

Five other activities

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Effective Java

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Review a classic book on effective Java programming practices to reinforce your understanding of unit testing principles.

View Effective Java (3rd Edition) on Amazon

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Read the book and take notes.
Identify key concepts and principles related to unit testing.
Apply the principles to your own unit testing practices.
Discuss the book's concepts with other course participants.
Write a summary or review of the book.

Spring Boot Testing Tutorial

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Follow a guided tutorial on Spring Boot testing to learn how to write effective unit tests for Spring Boot applications.

Browse courses on Spring Boot

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Find a suitable Spring Boot testing tutorial.
Follow the steps in the tutorial to set up your test environment.
Write unit tests for your Spring Boot application.
Run the tests and verify the results.
Review the tutorial content and identify any areas where you need further clarification.

JUnit and Mockito Exercises

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Complete a set of exercises to reinforce your understanding of using JUnit and Mockito for unit testing Java applications.

Browse courses on JUnit

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Review the provided exercises.
Write the unit tests using JUnit and Mockito.
Run the tests and verify the results.
Review your results and identify any errors.
Make corrections to your code and re-run the tests.

Mock Calculator Project

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Start a mock calculator project to apply your understanding of mocking in unit testing.

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Create a new project for the mock calculator.
Design the calculator's functionality.
Implement the calculator's functionality using mock objects.
Write unit tests for the calculator using JUnit and Mockito.
Run the tests and verify the results.

Unit Testing Application

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Create a unit testing application to demonstrate your proficiency in using JUnit and Mockito to write unit tests for Java applications.

Browse courses on Unit Testing

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Design the unit testing application.
Implement the unit tests using JUnit and Mockito.
Write the code for the unit testing application.
Run the unit tests and verify the results.
Document the unit testing application and its features.

Career center

Learners who complete JUnit and Mockito Crash Course will develop knowledge and skills that may be useful to these careers:

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JUnit and Mockito Crash Course

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What's inside

Learning objectives

Syllabus

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Activities

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