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Selenium and Cucumber are similar in some ways. Both are open-sourced. Both are used for functional testing. But what are the differences between the Selenium and Cucumber frameworks? Who uses them? And when would you use them together?
Read on for answers.
When it comes to Selenium vs. Cucumber, there are some key differences. Selenium is an automation tool for web apps, while Cucumber is an automation tool for behavior-driven development. Selenium executes UI tests while Cucumber does acceptance testing. Selenium script creation is complex while Cucumber is more simple.
Here's more on the basic differences between Selenium and Cucumber:
As you can see, the differences between Selenium and Cucumber are great. Whether you choose to use one or another, depends on your specific context, needs, and goals.
Selenium automates browsers. It is a highly popular testing framework and set of tools for testing web-based applications.
Cucumber lets you write test scenarios using plain language.
It is a tool for behavior-driven development (BDD). BDD is a software development process that encourages cross-functional collaboration, in part, through use of a plain-English scripting language called “gherkin” that anyone, technical or not, can read, write, and understand.
If you have business testers on the team, they would likely prefer to use Cucumber — or another BDD framework, like Quantum — since can be used without coding knowledge (which Selenium requires).
Cucumber uses a “given-when-then” framework for writing a test. After defining the feature and scenario under test, you provide the context (given), user action (when), and the expected outcome (then).
Scenario: LoginGiven: User navigates to perfecto.io When: User logs in using Username as “tester” and Password “extraordinaire” Then: Login should be successful
Is BDD Worth It?Cucumber’s behavior-driven development (BDD) library for Java Script is downloaded over half a million times every month. But is BDD worth it? Find out by watching the webinar below.
Cucumber’s behavior-driven development (BDD) library for Java Script is downloaded over half a million times every month. But is BDD worth it? Find out by watching the webinar below.
Some organizations implement Cucumber within a Selenium framework to allow for reliable test automation that emphasizes plain language. By doing so, they can: Develop a shared understanding of how software should perform. Improve collaboration between testers, coders, and decision-makers. Automate web testing across browsers at scale.
Some organizations implement Cucumber within a Selenium framework to allow for reliable test automation that emphasizes plain language. By doing so, they can:
Keep in mind, however, that in some cases the business side of the organization may not have input or opinions as to how the application behaves. It may also be true, depending on the size of your QA team or who is doing the automation work, that an extra layer of tooling to make tests more humanly readable (as with Cucumber) will not add value. In both cases, using Cucumber at the test creation phase may not be necessary.
While Selenium and Cucumber have some overlap — both are open-source and used for functional testing — their similarities end there. Selenium is used to automate web browsers, whereas Cucumber is used for behavior-driven development. Finally, because Selenium requires coding knowledge, it is often picked by SDETs and developers. Cucumber is a go-to for business testers.
Automation is essential for your DevOps to be successful. The tool you use for it will help define how successful that journey is. Whether you decide to go with Cucumber, Selenium or other automation tools, you need support.
Perfecto supports both Cucumber and Selenium, and offers more BDD capabilities through the Quantum framework. With Perfecto, teams have a secure, scalable cloud environment for web and mobile testing that offers fast parallel executions and fast feedback via reporting.
See how Perfecto can help you build a cutting-edge test automation process with maximum coverage at scale. Get your free trial today.
DevOps Chief Evangelist & Sr. Director at Perforce Software, Perfecto
Eran Kinsbruner is a person overflowing with ideas and inspiration, beyond that, he makes them happen. He is a best-selling author, continuous-testing and DevOps thought-leader, patent-holding inventor (test exclusion automated mechanisms for mobile J2ME testing), international speaker, and blogger.
With a background of over 20 years of experience in development and testing, Eran empowers clients to create products that their customers love, igniting real results for their companies.