TestNG may be a vital framework once you are literally developing the framework from scratch level.
TestNG provides you full control over the test cases and therefore the execution of the test cases. thanks to this reason, TestNG is additionally referred to as a testing framework.
Cedric Beust is that the developer of a TestNG framework.
If you would like to run a test suit A before that as a pre-request you would like to run multiple test suit s before you start a test case A. you’ll set and map with the assistance of TestNG in order that pre-request test suit s run first then only it’ll trigger a test case A. In such way, you’ll control the test cases.
TestNG framework came after Junit, and TestNG framework adds more powerful functionality and easier to use.
It is an open source automated TestNG framework. In TestNG, NG stands for “Next Generation”.
TestNG framework eliminates the restrictions of the older framework by providing more powerful and versatile test cases with help of easy annotations, grouping, sequencing and parametrizing.

Advantages of TestNG over Junit

In TestNG, annotations are easier to know than Junit.
It produces the HTML reports for implementation.
It also generates the Logs.
In TestNG, there’s no constraint available like @beforeclass and @afterclass which is present in Junit.
TestNG enables you to group the test cases easily which isn’t possible in JUnit.
TestNG supports three additional levels like @Before/After suite, @Before/AfterTest, and Before/AfterGroup.
TestNG doesn’t extend any class. TestNG framework allows you to define the test suit s where each test case is independent of other test cases.
It allows you to run the test cases of a specific group. Let’s consider a scenario where we’ve created two groups like ‘Smoke’ and ‘Regression’. If you would like to execute the test cases during a ‘Regression’ group, then this will only be possible within the TestNG framework.
Parallel execution of test cases, i.e., running multiple test cases is merely possible within the TestNG framework.

Features of TestNG

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Multiple Before and After annotation options

Before and after annotations are wont to execute a particular set of code before and after executing the test methods. These annotations are wont to set the variables or configuration before the beginning of the execution of test methods and pack up all the variables after the execution ends. a number of the Before and After annotations are @BeforeSuite, @BeforeTest, @BeforeGroups, @BeforeClass, etc.

XML-based test configuration

Test suites during a Testng are mainly configured by using the XML-based file. Testng.xml file is employed to arrange and run the test suites. The testng.xml file is employed to make the test suites by using classes, test methods, packages also as by using the test groups. it’s also wont to pass the parameters to check classes or methods.

Dependent methods

Dependency may be a feature of Testng that permits a test method to depend upon the only or group of test methods. Dependency works on the principle “depend-on-method” which must be either within the same class or within the inherited base class. this is often the foremost important feature in TestNG that tells the TestNG to run the dependent test method after the execution of a given test method. you’ll also configure whether you would like dependent test method should be executed or not even after the execution of the given test method fails.

Groups/group of groups

TestNG groups allow you to group the test methods. By using TestNG groups, you’ll declare the methods during a group also as you’ll declare the groups within a gaggle . The Testng group are often wont to include a particular set of groups and may exclude another set of groups.

Dependent groups

Similar to the Dependent methods, test methods during a group can depend upon the test methods of another group.

Parameterization of test methods

One of the foremost important feature of TestNG is Parameterization. This feature allows you to pass the arguments as parameters and this achieved by using testng@Parameters annotation. we will pass the parameters to check methods in two ways, i.e., testng.xml file and DataProviders.

Data-driven testing

TestNG allows users to perform data-driven testing. This testing allows users to execute an equivalent test multiple times with multiple sets of knowledge . to realize the data-driven testing, DataProvider feature is employed . DataProvider may be a data feeder method that executes the test method with multiple sets of knowledge .

Multithreaded execution

Multithreaded execution is that the parallel execution of tests. Multithreading means the execution of multiple parts of software at an equivalent time. supported the configuration within the XML file, multiple threads are started, and test methods are executed in them. Multithreaded execution saves tons of execution time.

Better reporting

Testng provides XML and HTML reports by default for test execution. you’ll even add your own custom reports when required.

Open API

TestNG contains the open API means API is publicly available to the developers. This feature allows you to make your custom extensions in your framework when required.

So, this brings us to the end of blog. This Tecklearn ‘Overview of TestNG and its Features’ blog helps you with commonly asked questions if you are looking out for a job in Selenium and Automation Testing. If you wish to learn Selenium and build a career in Automation Testing domain, then check out our interactive, Selenium Certification Training, that comes with 24*7 support to guide you throughout your learning period. Please find the link for course details:

https://www.tecklearn.com/course/selenium-training-certification/

Selenium Certification Training

About the Course

Tecklearn’s Selenium Certification Training enables you to master the complete Selenium suite. The Selenium Training is designed to train developers and manual testers to learn how to automate web applications with a robust framework, and integrate it within the DevOps processes of an organization. This Selenium Certification Training will also help you master important concepts such as TestNG, Selenium IDE, Selenium Grid, Selenium WebDriver, etc. Get hands-on experience on widely used automation frameworks such as Data-Driven Framework, Keyword-Driven Framework, Hybrid Framework, and Behavior Driven Development (BDD) Framework. Throughout this online Instructor-led Selenium Certification Training, you will be working on real-life industry use cases.

Why Should you take Selenium Certification Training?

The average salary of a Selenium Test Automation Engineer is $94k per year – Indeed.com.
Automation Testing Market is expected to grow at a Compound Annual Growth Rate (CAGR) of 18.0% in the next three years.
Global software testing market to reach $50 billion by 2020 – NASSCOM. Selenium tool supports more browsers and languages than any other testing tool.

What you will Learn in this Course?

Getting started with Selenium

Introduction to Selenium testing
Significance of automation testing
Comparison of Manual and Automation Testing
Installation of Java JDK, JRE and Eclipse

Setting the environment in Eclipse for Selenium

Java Introduction
Creating a Java function and executing
Concepts of Java
Properties File
Reading Data from Excel File
Database Connection
Hands On

Advantages of Selenium automation testing

Selenium Features
Concept of Selenium Integrated Development Environment
Understanding of the Selenium IDE features
Addition of Script assertions and general commands
Deploying the first Selenium Script
Sample project IDE
Recording Selenium test case
Hands On

Selenium Web driver Automation

Architecture of Selenium Web Driver
Download and installation
Creating a Java function using Selenium and execution
Hands On

Deploying Web Drivers for scripting

Getting the HTML source of Web Element
Table and Form Elements
Firebug extension and Fire Path installation
Advance User Interactions and Cross Browser Testing
Hands On

Deep dive into Selenium Web Driver

Action Commands
Web Table / Date Picker
How to Implement Switching Commands in WebDriver
Alerts
Frames
Hands On

Switching Operations in WebDriver using Window

Selenium Webdriver Wait
Implicit wait, Explicit wait
Deploying searching elements using the link text, name, using XPath
Calendar
Hands On

Introduction to TestNG Framework

Introduction to TestNG
Advantages of TestNG
Installing TestNG on Eclipse
Rules to write TestNG
TestNG Features
Annotations
Grouping
Sequencing: Prioritization and Dependency
Enable/Disable a test case
Parameterization: Using Xml file and DataProvider
Parallel Testing & Cross Browser Testing
TestNG Report: HTML Report, Console Report, XML Report

JUnit Operations and Test Framework

Annotations, Methods in JUnit
Junit Test Suites, ANT Build and JUNIT reporting
Types of Test Automation Framework
Module Based Testing Framework
Data Driven Testing Framework
Keyword Driven Testing Framework
Hybrid Driven Testing Framework
How to implement Testing Framework in Project

Object Repository

Understanding of Object Repository
Learning sample scripts using object repository
Page Object Modelling
Page Factory

JavaScript Functions

Autosuggestion
Headless Browser
Sikuli
XPath

Got a question for us? Please mention it in the comments section and we will get back to you.

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