Cucumber Interview Questions and Answers
Freshers / Beginner level questions & answers
Ques 1. What is Cucumber?
Cucumber is a tool that supports behavior-driven development (BDD) by allowing tests to be written in a natural language style.
Example:
Feature: Login
Scenario: Successful login
Given the user is on the login page
When the user enters valid credentials
Then the user should be logged in
Ques 2. What is the purpose of the Background keyword in Cucumber?
Background is used to define a set of steps that are common to all scenarios in a feature, helping to reduce duplication of steps.
Example:
Feature: Shopping Cart
Background:
Given a user is logged in
Scenario: Add item to cart
When the user adds an item to the cart
Then the cart should display the item
Ques 3. What is the purpose of Tags in Cucumber?
Tags are used to categorize and filter scenarios, allowing selective execution of specific groups of scenarios.
Example:
@smoke
Feature: User Authentication
Scenario: Successful login
Given the user is on the login page
When the user enters valid credentials
Then the user should be logged in
Ques 4. How can you skip a scenario in Cucumber?
Scenarios can be skipped by tagging them with the @ignore tag or a tag that is not included in the test execution command.
Example:
@ignore
Scenario: This scenario will be skipped
Given a precondition
When an action is performed
Then the result is validated
Ques 5. What is the purpose of the 'Background' keyword in Cucumber?
Background is used to define a set of steps that are common to all scenarios in a feature, helping to reduce duplication of steps.
Example:
Feature: Product Management
Background:
Given a user is logged in
Scenario: Add a new product
When the user adds a new product
Then the product should be added successfully
Ques 6. How can you run specific scenarios in Cucumber?
Specific scenarios can be run by using the tag associated with those scenarios in the Cucumber test execution command.
Example:
cucumber --tags @smoke
Ques 7. What is the purpose of the 'But' keyword in Cucumber?
The 'But' keyword is used to provide an alternative step with additional clarification, often used after 'Given', 'When', or 'Then' for better readability.
Example:
Scenario: Login with valid credentials
Given the user is on the login page
When the user enters valid credentials
Then the user should be logged in
But the user dashboard should be displayed
Ques 8. How do you organize feature files in a Cucumber project?
Feature files are typically organized based on the functionality they represent or by feature. A common approach is to create directories for each feature and place related feature files within those directories.
Example:
project
|-- src
| |-- test
| |-- java
| |-- features
| |-- login
| |-- login.feature
| |-- search
| |-- search.feature
Ques 9. What is the purpose of the 'Dry Run' option in Cucumber?
The 'Dry Run' option is used to check if all the steps in the feature file have matching step definitions. It helps identify undefined or pending steps without executing the actual test.
Example:
cucumber --dry-run
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