The Cucumber Testing tool is program that helps developers test software by running different scenario to see if they produce the intended results.
You can use Cucumber testing to assess the behavior of software functionality, such as an incorrect password or username, variable date, insufficient funds in banking scenarios and other potential circumstances users might encounter.
Elements of Cucumber testing
Cucumber testing comprises the following elements:
Features: In Cucumber testing, the term “feature” refers to the specific part of the software being tested, such as logging into an account, transferring money or reading a message. The three parts of a feature are the keyword (e.g., feature), the name and an optional description.
Scenarios: A scenario in Cucumber is the sequence of steps the developer and customer want to test. You can apply many scenarios to a feature to test for functionality and performance, such as attempting to log in with an incorrect username or password or changing a profile picture.
Steps: These are the circumstances of a scenario, written in the Given-When-Then format. “Given” describes the initial condition of a variable, “When” adds the user's actions and “Then” describes the results.
Tags: Allows users to insert other kinds of tags using the familiar @ prefix to keep the testing process organized. However, the required Given-When-Then tags sometimes eliminate the need for extra tagging because of their built-in organizational structure.
How to use Cucumber testing
If you want to implement Cucumber testing in your software development process, you can start with these steps
1. Install Cucumber
To test using Cucumber, you'll first need to install the software.
2. Write your test scenario
Once you’ve installed Cucumber, you can test scenarios against your code. Although Cucumber was originally used to test Ruby, today it works with almost all modern programming languages.
3. Define your steps
When you’ve established the scenario you wish to test, you can then define the steps taken in that scenario. This is when you’ll use the Given-When-Then structure to show the initial circumstances, the user's possible action and the result.
4. Run your test
With your test scenario and steps in place, you can run your test using a variety of possible situations your user might encounter. You can use these test results to drive development based on your software's performance and share outcomes with your entire team within Cucumber.
5. Apply your results
The Cucumber testing tool allows users to run reports and revisit the change history of a product over the course of testing in a way that you can then share with your team. Sharing this information throughout the BDD process is an important way to accelerate the implementation of the solutions you find. Like the steps themselves, Cucumber documentation is written in natural language, which means that anyone can access and understand a product's testing history.
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