What Is Cucumber?

Cucumber is an open-source software testing tool written in Ruby; it supports Behaviour Driven Development (BDD). It offers a way to write tests that anybody can understand, regardless of their technical expertise. In BDD, users first write scenarios or acceptance tests that describe the behaviour of the system from the customer’s viewpoint, these are reviewed and signed off before developers write their codes. It allows automation of functional validation in easily readable and understandable format (like in simple English) which is useful for developers, testers, clients/customers etc.

Is Cucumber a Tool or a Framework?

It is a testing tool based on a Behaviour Driven Development (BDD) framework, which is used to write acceptance tests for web applications. It can also be described as a software testing process that deals with an application's behaviour/tests applications in a behaviour-driven development way. Whilst there are many tools used for testing, cucumber is one of the most popular. It seamlessly integrates with Selenium, Ruby on Rails, and other web-based testing tools. It allows developers to subdivide text into prerequisites that are then transformed into actions which should then deliver the expected results.

What Is ‘Behaviour Driven Development’ (BDD)?

It is an extension of Test Driven Development (TDD) and is used to test the system rather than testing the particular piece of code, enabling development teams to deliver better software more quickly. It focuses more on defining application behaviour rather than the tests.

Why Is It Easy to Write and to Understand?

It was designed to use of non-technical language to enhance communication across cross-functional product teams, from analysts to managers to stakeholders.

It uses a simple, natural non-technical language which makes for better communications across ‘cross functional’ product teams, together with everyone else involved in the project including managers, clients, stakeholders etc. It allows most people to write test cases that that are easily understood by anyone regardless of their technical knowledge. Customers and business partners can also write test cases, and this involvement can increase customer satisfaction and increase efficiency. It also reduces dependency on developers.

Why Was It Developed?

Cucumber testing was developed to help teams communicate better about the behaviour of an application; to make it easier for developers and testers to work together on BDD projects. By writing tests in a shared language that everyone on the team can understand, this helps reduce misunderstanding between teams. The fact that everyone can easily read and understand the test code helps collaboration, and the test codes are easier to maintain.

Cucumber tests are also easier to change than other code-based tests, and because the language is simpler, they are less likely to break when the code changes. This makes the test more flexible and easier to maintain.

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