yash025 / junitin28minutes

JUNIT Tutorial For Beginners

JUnitIn28Minutes

Git hub repository for the free Udemy course : https://www.udemy.com/course/junit-tutorial-for-beginners-with-java-examples/

Get started with Junit

• Course Overview
  • Section 1 Foundation
  • Section 2 First JUnit Example
  • Section 3 Second JUnit Example
  • Section 4 JUnit Simple Test Scenarios
  • Section 5 JUnit Intermediate Test Scenarios
  • Section 6 JUnit Best Practices
  • Starting Examples
• About in28Minutes
  • Our Beliefs
  • Our Approach
  • Find Us
  • Other Courses

Topics

Section 1 Foundation

• What is JUnit?
• Why Unit Testing?

Section 2 First JUnit Example

@Test Annotation

• Running JUnit
• No Failure = Success
• Basic Assert methods

Section 3 Second JUnit Example

• assertTrue and assertFalse methods
• @Before @After annotations
• @BeforeClass @AfterClass annotations

Section 4 JUnit Simple Test Scenarios

• Comparing Arrays
• Testing Exceptions
• Performance Unit Tests

Section 5 JUnit Intermediate Test Scenarios

• Parameterized Tests
• Test Suites

Section 6 JUnit Best Practices

• Naming Test Methods
• Highlight Important Values in Tests
• Handle Exceptions Properly
• Readable Assert Statements

Starting Examples

package com.in28minutes.junit.helper;

public class StringHelper {

	public String truncateAInFirst2Positions(String str) {
		if (str.length() <= 2)
			return str.replaceAll("A", "");

		String first2Chars = str.substring(0, 2);
		String stringMinusFirst2Chars = str.substring(2);

		return first2Chars.replaceAll("A", "") 
				+ stringMinusFirst2Chars;
	}

	public boolean areFirstAndLastTwoCharactersTheSame(String str) {

		if (str.length() <= 1)
			return false;
		if (str.length() == 2)
			return true;

		String first2Chars = str.substring(0, 2);

		String last2Chars = str.substring(str.length() - 2);

		return first2Chars.equals(last2Chars);
	}

}

About in28Minutes

• At in28Minutes, we ask ourselves one question everyday. How do we create more effective trainings?
• We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real World Application Examples.
• Our success on Udemy and Youtube (2 Million Views & 12K Subscribers) speaks volumes about the success of our approach.
• While our primary expertise is on Development, Design & Architecture Java & Related Frameworks (Spring, Struts, Hibernate) we are expanding into the front-end world (Bootstrap, JQuery, Angular JS).

Our Beliefs

• Best Course are interactive and fun.
• Foundations for building high quality applications are best laid down while learning.

Our Approach

• Problem Solution based Step by Step Hands-on Learning
• Practical, Real World Application Examples.
• We use 80-20 Rule. We discuss 20% things used 80% of time in depth. We touch upon other things briefly equipping you with enough knowledge to find out more on your own.
• We will be developing a demo application in the course, which could be reused in your projects, saving hours of your effort.
• All the code is available on Github, for most steps.

About in28Minutes

At in28Minutes, we ask ourselves one question everyday

How do we create more amazing course experiences? We use 80-20 Rule. We discuss 20% things used 80% of time in depth.

We are creating amazing learning experiences for learning Spring Boot with AWS, Azure, GCP, Docker, Kubernetes and Full Stack. 300,000 Learners rely on our expertise. Find out more....