Cucumber Interview Questions and Answers
Intermediate / 1 to 5 years experienced level questions & answers
Ques 1. Explain the difference between Cucumber Scenario Outline and Examples keywords.
Scenario Outline is used to run the same scenario with different sets of data, and Examples provide the actual values for the placeholders in Scenario Outline.
Example:
Ques 2. How do you parameterize steps in Cucumber?
Steps can be parameterized using angle brackets in the step definition, and values are passed through Examples in the Scenario Outline.
Example:
Scenario Outline: Search with different keywords
Given the user is on the search page
When the user searches for
Then results should include
Examples:
| keyword | result |
| cucumber | relevant results |
| testing | accurate results |
Ques 3. Explain the concept of Step Definition in Cucumber.
Step Definitions are the actual code that maps the Gherkin language statements to executable code, providing the automation logic for each step.
Example:
Given(/^the user is on the login page$/, () => {
// code to navigate to the login page
});
Ques 4. How do you handle dynamic data in Cucumber?
Dynamic data can be handled using scenario outline and examples, allowing the same scenario to be executed with different sets of data.
Example:
Scenario Outline: Search with dynamic data
Given the user is on the search page
When the user searches for
Then results should include
Examples:
| dynamic_keyword | result |
| cucumber | relevant results |
| testing | accurate results |
Ques 5. Explain the role of Hooks in Cucumber.
Hooks are blocks of code that run before or after specific events in the Cucumber execution cycle, such as before and after scenarios, features, or steps.
Example:
Before(() => {
// code to run before each scenario
});
After(() => {
// code to run after each scenario
});
Ques 6. What is the purpose of the 'Outline' keyword in Cucumber?
The 'Outline' keyword is used to create a template for a scenario with placeholders for input values, and it is often used with the 'Examples' keyword.
Example:
Ques 7. What is the purpose of the 'DataTable' in Cucumber?
DataTable is used to represent tabular data in Gherkin syntax, providing an easy way to pass data to steps in a scenario.
Example:
Scenario: Data-driven login
Given the user is on the login page
When the user enters the following credentials
| Username | Password |
| user1 | pass123 |
Then the user should be logged in
Ques 8. Explain the difference between 'Background' and 'Scenario Outline' in Cucumber.
Background is used to define a set of common steps for all scenarios in a feature, while Scenario Outline is used to run the same scenario with different sets of data.
Example:
Feature: Online Shopping
Background:
Given a user is logged in
Scenario Outline: Add item to cart
When the user adds- to the cart
Then the cart should display the
Examples:
| item |
| Laptop |
| Headphones|
Ques 9. What is the purpose of the 'DocString' in Cucumber?
DocString is used to pass a large string as an argument to a step, providing a way to include multiline data in a step definition.
Example:
Scenario: Add product description
Given the user is on the product page
When the user adds the following description
"""
This is a detailed description of the product.
It includes features and specifications.
"""
Then the description should be saved
Ques 10. How can you parameterize a URL in Cucumber?
You can use scenario outline and examples to parameterize a URL and run the same scenario with different URLs.
Example:
Scenario Outline: Access different URLs
Given the user navigates to
Then the page should load successfully
Examples:
| url |
| https://example.com |
| https://test.com |
Ques 11. Explain the difference between Background and Hooks in Cucumber.
Background is used to define a set of common steps for all scenarios in a feature, while Hooks are blocks of code that run before or after specific events in the Cucumber execution cycle.
Example:
Feature: Online Shopping
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 12. How can you reuse step definitions in Cucumber?
Step definitions can be reused by creating separate step definition files and then referencing those step definitions in the feature files using the 'glue' option in the test runner configuration.
Example:
glue = {"path.to.step.definitions"}
Ques 13. What is the purpose of the 'Scenario Outline' Examples table header in Cucumber?
The Examples table header in Scenario Outline specifies the names of the variables that will be used in the scenario, and it helps map the values from the Examples table to the corresponding placeholders in the scenario steps.
Example:
Scenario Outline: Search with different keywords
Given the user is on the search page
When the user searches for
Then results should include
Examples:
| keyword | result |
| cucumber | relevant results |
| testing | accurate results |
Ques 14. How can you handle dynamic data in Cucumber?
Dynamic data can be handled using Scenario Outline and Examples, allowing the same scenario to be executed with different sets of data.
Example:
Scenario Outline: Search with dynamic data
Given the user is on the search page
When the user searches for
Then results should include
Examples:
| dynamic_keyword | result |
| cucumber | relevant results |
| testing | accurate results |
Ques 15. Explain the difference between Cucumber and JUnit/TestNG.
Cucumber is a BDD tool that allows tests to be written in a natural language style, whereas JUnit and TestNG are testing frameworks used for unit testing in a more traditional manner.
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
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