DZone
Thanks for visiting DZone today,
Edit Profile
  • Manage Email Subscriptions
  • How to Post to DZone
  • Article Submission Guidelines
Sign Out View Profile
  • Post an Article
  • Manage My Drafts
Over 2 million developers have joined DZone.
Log In / Join
Refcards Trend Reports
Events Video Library
Refcards
Trend Reports

Events

View Events Video Library

Related

  • Stop Poisoning Your Models: How I Built a CV Dataset Quality Toolkit I Can Reuse Forever
  • Quality Crisis in Robotics and How Video Annotation Fixes It
  • Code Rewriting With AI and TDD
  • Active Learning and Human-in-the-Loop for NLP Annotation and Model Improvement

Trending

  • Managing, Updating, and Organizing Agent Skills
  • Prompt Injection Is Real, So I Built a Python Firewall for LLM Pipelines
  • Advanced Error Handling and Retry Patterns in Enterprise REST Integrations
  • Observability for Agents and Workflows: Tracing Prompts, Tool Calls, and Business Outcomes End-to-End
  1. DZone
  2. Coding
  3. Languages
  4. TestNG @BeforeClass Annotation Example

TestNG @BeforeClass Annotation Example

TestNG method that is annotated with @BeforeClass annotation will be run before the first test method in the current class is invoked.

By 
Jagadeesh Motamarri user avatar
Jagadeesh Motamarri
·
Sep. 28, 13 · Tutorial
Likes (3)
Comment
Save
Tweet
Share
45.5K Views

Join the DZone community and get the full member experience.

Join For Free

TestNG method that is annotated with @BeforeClass annotation will be run before the first test method in the current class is invoked.

Here is a quick example

Code

?
package com.skilledmonster.example;
import org.testng.Assert;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
* Example to demonstrate use of @BeforeClass annotation of TestNG framework
*
* @author Jagadeesh Motamarri
* @version 1.0
*/
public class TestNGAnnotationBeforeClassExample {
@BeforeClass
public void oneTimeSetUp() {
System.out.println("@BeforeClass: The annotated method will be run before the first test method in the current class is invoked.");
}
@Test
public void validateSum() {
System.out.println("@Test : validateSum()");
int a = 5;
int b = 10;
Assert.assertEquals(a + b, 15);
}
@Test
public void validateDifference() {
System.out.println("@Test : validateDifference()");
int a = 5;
int b = 10;
Assert.assertEquals(b - a, 5);
}
}

Output

 testng_beforeclass_annotation 

As shown in the above console output, oneTimeSetUp() method is invoked before executing validateDifference() and validateSum() methods.

Download

 Download TestNG @BeforeClass Example
TestNG Annotation

Published at DZone with permission of Jagadeesh Motamarri. See the original article here.

Opinions expressed by DZone contributors are their own.

Related

  • Stop Poisoning Your Models: How I Built a CV Dataset Quality Toolkit I Can Reuse Forever
  • Quality Crisis in Robotics and How Video Annotation Fixes It
  • Code Rewriting With AI and TDD
  • Active Learning and Human-in-the-Loop for NLP Annotation and Model Improvement

Partner Resources

×

Comments

The likes didn't load as expected. Please refresh the page and try again.

  • RSS
  • X
  • Facebook

ABOUT US

  • About DZone
  • Support and feedback
  • Community research

ADVERTISE

  • Advertise with DZone

CONTRIBUTE ON DZONE

  • Article Submission Guidelines
  • Become a Contributor
  • Core Program
  • Visit the Writers' Zone

LEGAL

  • Terms of Service
  • Privacy Policy

CONTACT US

  • 3343 Perimeter Hill Drive
  • Suite 215
  • Nashville, TN 37211
  • [email protected]

Let's be friends:

  • RSS
  • X
  • Facebook