Behaviour Driven Development( BDD) is a software development process that prioritizes collaboration among engineers and developers. It is an application and is often called an extension of the Test-Driven Development (TDD) software development process that is driven by the behavior of an approach.

Why Behavior-Driven Development Testing Came Into The Picture?

Regardless of the type the application that is to be tested (mobile, web, or desktop), there can be a disconnect between:

1. The application is truly able to define the expected outcomes.
2. The developer’s understanding of what exactly needs to be built.
3. The business( end-user) understands the technical challenges its requirements may present.

Behavior-driven development can help achieve all of the above and helps a business and its technical team deliver software that fulfills business goals.

Choosing Behaviour-Driven Development Testing

Test-driven development (TDD) works satisfactorily, If the business owner is familiar with the unit test framework being used and their technical skills are good enough, which is not always the case.

In these scenarios, BDD has the advantage because the test cases can be written in a common language used by the stakeholders such as example, English. This access to clearer understanding is an advantage to using BDD, making it possible for collaboration between the technical and non-technical teams to run with improved efficiency.

Advantages of Using Behaviour-Driven Development Testing

1. You are no longer just writing “test cases” but are defining the “behavior” of an application.
2. Better collaboration between the technical and non-technical teams to run with improved efficiency
3. Easy to learn and implement in the project
4. The behavioral approach defines acceptance criteria, which helps everybody (developer, QA, BA, and business) in the team understands.

The Disadvantage of Using Behaviour-Driven Development Testing:

1. BDD is not compatible with the waterfall approach.
2. BDD is not effective If the user stories are not written perfectly.
3. Sufficient technical and programming skills are required for QA as well.

Testing Tools for BDD

1. Cucumber

Cucumber is the most common and widely used test framework which supports BDD. In Cucumber, the BDD specifications are written in simple English which is defined by the Gherkin language. Gherkin presents the behavior of the application used, from which Cucumber can generate the acceptance test cases.

2. Specflow

Specflow evolved from the Cucumber framework and is used mainly for .Net projects. It also uses the Gherkin language.

Read Also:- LambdaTest – Cross Browser Testing Tool

Prerequisites For Implementing BDD:

1. All requirements should create a story and each user story should be very well defined.
2. Every example used in a user story must be a valid scenario explaining the exact behavior.
3. Experience with one of the programming languages (like JAVA, Typescript, Python, Ruby, C#) that will be needed for automation of a test case in the backend (spec File).

Example of a Cucumber/BDD Test

The user should be able to Sign up. New users should get a confirmation email and greet from the site once signed in.

• Scenario: Successful sign-up
• Given I have chosen to sign up
• When I sign up with valid details
• Then I should receive a confirmation email
• And I should see a personalized greeting message

This is a very basic example — Technical, as well as non-technical people, can understand this. This is the beauty of Gherkin.

Let’s See What each of these keywords uses for?

• Background: add some context to the scenarios in the feature.
• Given: the initial context of the system — It works like a setup
• Then: an expected outcome, or result. This checks conditions.

To run the above scenarios in the feature film, a step definition file with a function for each Given, When, Then is required.

FAQs

• What is meant by Behavior-Driven Development?

A user’s expected behavior when engaging with an application is documented and designed into the program using the agile software development process known as behavior-driven development (BDD).

• What is a Behavioral driven framework?

A user’s expected behavior when engaging with an application is documented and designed into the program using the agile software development process known as behavior-driven development (BDD).

• What is the BDD testing tool?

Testers can write test scripts in plain English thanks to the agile software development process known as behavior-driven development (BDD). BDD describes application behavior in terms of business or user-focused language, which facilitates team cooperation.

• What is software development using BDD?

A user’s expected behavior when engaging with an application is documented and designed into the program using the agile software development process known as behavior-driven development (BDD).

• What benefits does the BDD framework offer?

Because test cases are frequently written in plain text, such as in English, BDD offers a way to bridge the gap between technical and non-technical teams. The key benefit of BDD is the lack of technical jargon and the What is Behavior-driven development in Java?

• What does Java’s behavior-driven development mean?

A user’s expected behavior when engaging with an application is documented and designed using the agile software development process known as behavior-driven development (BDD).