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Ruby Cucumber Interview Questions And Answers

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by Ruchitha Geebu
Last modified: June 24th 2021

Are you looking for Ruby Cucumber Interview Questions? If yes, then you are in right place. Here Mindmajix presenting a list of 15 Ruby Cucumber Interview Questions for Experienced & Freshers.

These Ruby Cucumber interview questions help you in cracking your next job interview and acquire a dream career as Ruby Cucumber Developer.

Ruby Cucumber Interview Questions and Answers

1. Differentiate between TDD and BDD?

The following are the main differences between the Behavior Driven Development and Test Drive Development -  

Behavior Driven Development (BDD)
Test-Driven Development (TDD)
As the name suggests, the development process of BDD is centered on behavior. 
The development process of TDD is centered around tests.
BDD is written with the help of Given When Then Steps.
TDD is written with the help of Ruby or Java.
These are readable in nature by both programmers and non-programmers.
Programmers can read these tests easily but non-programmers find them difficult to read.

2. Define Cucumber and mention its advantages?

Cucumber is a software tool used to test other software and it functioned with the help of a very simple language programming, the Ruby programming language. The following are the advantages of the Cucumber tool 

  • The cucumber software tool allows the stakeholders of the business to be involved in it even if they don't know how to code.  
  • The experience of the users is prioritized by using the Cucumber tool.  
  • The cucumber tool allows the codes to be reused. 
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3. Define Behavior Driven Development (BDD)?

Behavior Driven Development is considered to be a type of software developmental process. Mainly test-driven development (TDD) is the origin of the behavior is driven development. All the different principles of TDD are combined with entire all the object-oriented design and analysis and in order for the software development project to work.  

4. Mention the files which are required for the execution of the Cucumber test?

Two main files which are required for a Cucumber test execution are Step definition and Features.

5. Define feature file. Mention the components of the feature file?

In order to perform a Cucumber test, a code is required and for the execution of such a code, certain conditions are required. The feature file consists of such conditions and parameters. The following are the components contained by the feature file -  

1. Feature 
2. Scenario Outline  
3. Scenario  
4. Given  
5. When  
6. Then 

6. How can any scenario in the feature file be written? 

The Cucumber test scenarios are written with the help of a very simple language in the feature file. This language is known as Gherkin. This simple programming language is also business readable. The behavior and how the software developmental process works are all described with the help of this language.

It is specific to a particular domain of programming and all these are described from the perspective of a user. Hence, easy collaboration can be done by non-programmers too and can be easily read.  

7. Mention the main reasons behind using a simple programming language such as Gherkin?

The main reasons behind using slave simple programming language, Gherkin is 

  • Gherkin helps with the documentation.  
  • Tests are automated with the help of Gherkin.  

8. What is the meaning of Scenario Outline available in the feature file? 

Multiple Cucumber test scenarios are executed by using the Scenario Outline. The scenario outline uses various sets containing different test data. These raw provided with the help of using Examples that are found in the tabular structure.  

9. What is the meaning of the Steps in Cucumber tool? 

The steps are sequences that help in describing how exactly the test scenario will take place. It also defines the preconditions of the test scenario. It consists of the following commands or keywords- 

1. Given: Before starting the tests, all of its conditions are described by this. 
2. When: The actions during Cucumber tests are described by this. 
3. Then: This is the outcome of the actions which took place When.  

Some other keywords found here are 

1. And: logical representation of the Cucumber test  
2. But: This is the same as And but is negative form.  

10. Define test harness?

The test harness performed various functions of the Cucumber test. It has the main responsibility of setting up test context. It also helps in the browser interaction and files like step definition are cleaned with the help of a test harness.

→ Learn Cucumber Tutorial

11. What are the benefits of using BDD in selenium? 

BDD that is the Behavior Driven Development is a very important programming language used in the development of software. This practice is implemented in Java with the help of using Cucumber - JVM which is also considered to be a mainstream tool. This framework of Cucumber is also used in Ruby on Rails other than Java.  

The business also well as non-technical users can write various scenarios and features with the help of Cucumber JVM. These are written in Gherkin texts.  

The step definition file is well supported by the feature file using which all the scenarios are properly executed. UI level tests alongside testing APIs can be done by combining with the Selenium WebDriver.  

12. What are the advantages of using Ruby on Rails? 

The following are the advantages of using Ruby on Rails 

1. Pure OOP Concept  
2. Gems and Plugins 
3. Scaffolding  
4. DRY Principle  
5. Convention over Configuration  

13. What do you mean by the term Hooks used in the Cucumber tool?

Ans: Certain setups are performed before performing the actual Cucumber tests. Hooks allow the setups to work properly. Hooks are also known as executive Ruby blocks and are considered to be similar to the method of JUnit. They can also be placed under the support and has global application. Mainly three types of hooks exist - 

  • Before: Mainly runs before the commencement of a scenario.  
  • After: Runs after the commencement of a scenario.  
  • Around: Runs around the scenario and also controls it.  

Certain other types of hooks are 

  • Before Step  
  • After step  

After configuration which runs after the configuration of the Cucumber test.  

14. Cucumber also works with the Browser Automation. How?  

The cucumber tool works with browsers like Selenium and WATIR-WebDriver. Build-in browser automation is not available in the Cucumber tool. It also works with another type of browser like the Active record by supporting their tests.  

15. Define Cucumber Command-Line Interface?

Ans: The command-line interface of the Cucumber tool helps in covering the list of various information and provides a basic summary of the steps of the tests. It also provides certain commands.  

16. Differentiate between Jbehave and Cucumber?

Cucumber tool and Jbehave have the same reason to be used by a user however they are built by the different framework -  

1. Jbehave is based on Java whereas Cucumber is based on Ruby programming language.  
2. Stories make the base of Jbehave whereas features make the base of the Cucumber tool.  

17. Define regular expressions?

A specific amount of testis expressed with the help of a pattern known as the regular expression. Mainly texts containing single characters are expressed with the help of this pattern.  

18. What is the software required to run a test on the Cucumber tool?  

The following are the software required to run a test on the Cucumber tool 

1. Ruby and the development kit of Ruby  
2. IDE like Active State  
3. Cucumber  
4. Watir for stimulation purposes of a browser 
5. Anticon and RSpec

19. What is the meaning of the term profile in the Cucumber tool? What are the commands used to execute one?  

For defining steps and defining certain specific features of Cucumber tests, Cucumber profiles are created.  
Cucumber features -  p, these are the commands used to execute.  

20. Define Cucumber tags. Mention its purpose?

Ans: In order to filter scenarios of tests, Cucumber tags are used. The scenarios are executed based on the tags which are provided by the scenarios. The scenarios can be added with the help of @ and the command - t @. 

21. Differentiate between Cucumber tool and Rspec?

The main differences between the Cucumber tool and Rspec are as follows. The cucumber tool is used for testing various software. It can also be used for integration and system tests. However, on the other hand, Rspec is used for the purpose of Unit Testing.  

22. What are the meanings of support, hooks.rb, and env.rb?  

Support related to Cucumber tools is put forward in the Support folder. 

The execution of the scenarios of Cucumber tests requires the libraries to be loaded and this is used.  

Before, before step, after, after step - these types of hooks are added with the help of hooks.rb.  

23. Define Cucumber Dry Run? 

All the feature files and the step definitions are all compiled together with the help of Cucumber Dry Run. It also shows the errors which appeared during the compilation process. Cucumber features - dry-run is one such example.  

24. What are the various examples of behavior-driven tests written in plain text?  

The following are the examples 

1. Feature: XYZ page is needed to be visited in abc.com.  
2. Scenario: This is the final visit to abc.com.  
3. Given: Staying on the website, abc.com.  
4. When: Clicking on the XYZ page while being on the website, abc.com.  
5. Then: the ABC page is to be seen here.  

25. Define the background available in the feature file?

The background keyword found in the feature files is the basic steps to be executed before every test scenario. The steps are written under this keyword in order to be executed and in this way, they will be executed first before the commencement of any Cucumber test.  

26. Mention the software which is required to run the Cucumber tool in Java?

The following are the software required to run to the Cucumber tool in Java 

1. Eclipse and Intelli J IDE  
2. Gradle and Maven build tool 
3. Cucumber  
4. JUnit and TestNG testing framework  
5. Selenium  

27. What are Cucumber options? What are its properties? 

Cucumber tests are executed under various properties and these are known as Cucumber options. The following are its properties 

1. Feature: This involves the path to the feature file  
2. Glue: Similar way towards the step definition.  
3. Dry run: This checks the missing definition.  
4. Tags: scenarios in the feature file are grouped with the help of this property.  
5. Strict: This helps in making an execution stop if some of the steps are missing.  
6. Monochrome: Output can be read using this feature.  

28. Is it compulsory to use keywords while performing Scenario steps? 

Scenario steps can be written without using keywords and hence it is absolutely not necessary to use keywords

29. What is Cucumber Report? Mention the benefits of the Cucumber Report?

The HTML format generated by the Cucumber software development tool is known as Cucumber Report. The following are the benefits of such a software development tool's report

  • Testing of other software can be easily done with the help of the Cucumber tool.  
  • The report is also used for easy execution of software testing.  
  • The scenario is written in a very easy format.  
  • The codes are also written in an easy format.  
  • The Cucumber report also helps the Cucumber tool in prioritizing the experiences of the users.  
  • It is so easy to use that those who are not technically knowledgeable can also use this tool.  

30. In what ways does the Cucumber execution start? What are the variously advanced frameworks used with the Cucumber development tool?  

Support is the place from where the execution of the Cucumber test starts. The software which requires testing is mainly prioritized by the Cucumber software development tool. For the execution of the process of testing, the file gets loaded at first in Support and it is generally the env.rb file.

Then the hooks.rb file gets loaded. Finally, the steps of the scenarios get executed from the feature file. The cucumber testing tool executes its work with the help of all these folders, commands, and keywords. Support is considered to be very important in this respect.  

The following are the advancement frameworks available with the Cucumber tools 

  • Page Object Model 
  • Object Repository
  • Extent Reporting 
  • Dependency Injection
  • Log4j

About Author

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NameRuchitha Geebu
Author Bio

I am Ruchitha, working as a content writer for MindMajix technologies. My writings focus on the latest technical software, tutorials, and innovations. I am also into research about AI and Neuromarketing. I am a media post-graduate from BCU – Birmingham, UK. Before, my writings focused on business articles on digital marketing and social media. You can connect with me on LinkedIn.