Best Practices for Ruby Cucumber Online Course
Last updated on Tue 17 Mar 2020
Ruby Cucumber is a software tool that computer programmers utilize for testing other software. It runs automatic acceptance tests written in a behavior-driven development (BDD) technique. Cucumber is written in the Ruby programming language.
Testing is a firmly included part of the Ruby culture. Ruby has several varieties of testing tools and frameworks and Ruby Cucumber is the behind addition to the RSpec family of tools.
Cucumber is designed to allow developers to execute feature documentation written in plain text. It supports Behavior Driven Development (BDD) and also offers a way to write tests that everyone can understand, regardless of their technical knowledge.
The Ruby version of Cucumber is still the reference effectuation and it is the most widely used.
Advantages of Ruby Cucumber over other tools:
- It is free to use.
- Plug-in cucumber works faster.
- Efficient tool for testing.
- It supports other languages such as Scala, Java, Groovy, etc. as well beyond Ruby.
- It is a behavior driven development tool.
- It gives comfort to testers and developers in writing automation steps.
Cucumber best practices
- Write declarative Properties
Scenarios should be put in writing like a user would describe them. Beware of scenarios that only describe clicking links and stuffing in form fields, or of steps that contain code or CSS selectors.This is just another variant of programming, but surely not a feature description.
Declarative features are vivid, concise and contain really maintainable steps.
- Insert a narrative
Narratives depict in about one sentence, what a feature does. Typical narratives contain a good for the user, a role that needs the feature and the feature itself. Narratives are important to visualize why you are implementing a property in the first place. They also give a short overview of the feature so others get an irregular understanding what it is about without reading the scenarios.
- Avoid conjunctive steps
When you experience a Cucumber step that contains two actions, coupled with an “and”, you should probably break it into two steps. Inserting to one action per step makes your steps more standard and increases reusability. This is not a general rule though. There may be reasons for connective steps. However, most of the time it’s best to avoid them.
- Reuse step definitions
In Cucumber you can recycle the steps in other steps. This comes in handy when a step extends another step’s behavior or defines a senior behavior that consists of multiple steps. You should try to reprocess steps as often as possible. This will better the maintainability of your app: If you alter to change a certain behavior, you just need to change a single step definition.
- Apply backgrounds wisely
If you use the same steps at the beginning of all scenarios of a property, put them in the feature’s Background. Background steps are run before each scenario. But take care that you don’t put too more steps in there as your scenarios may become harder to understand.
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