ValueLabs Interview Questions and Answers

I am a highly skilled Automation Test Engineer with experience in creating and executing test cases for software applications.

• Experienced in using automation tools such as Selenium and Appium

• Proficient in writing test scripts in languages like Java and Python

• Strong understanding of software testing methodologies and best practices

• Ability to analyze test results and identify defects for resolution

My automation framework is a hybrid framework combining keyword-driven and data-driven approaches for efficient test automation.

• Combines keyword-driven and data-driven approaches

• Uses reusable functions and libraries for efficiency

• Supports parallel execution for faster testing

• Integrates with CI/CD tools for continuous testing

• Generates detailed test reports for analysis

Code to remove duplicates from string without using predefined functions

• Iterate through each character in the string

• Create a new string and add characters only if they are not already present

• Use an array to keep track of characters that have been seen before

I have handled exceptions related to element not found, timeout, invalid input, and unexpected behavior.

• Handled NoSuchElementException when element not found on the page

• Handled TimeoutException when waiting for an element to be present

• Handled InvalidArgumentException for invalid input data

• Handled UnexpectedBehaviorException for unexpected behavior during test execution

You can divide the test cases into two batches and run them separately.

• Divide the 100 test cases into two batches of 50 each

• Run the first batch of 50 test cases

• Once the first batch is completed, run the second batch of 50 test cases

Step definitions can be integrated with feature files using Cucumber in automation testing.

• Create step definitions in a separate file using the same language as the feature file (e.g. Java for Cucumber-JVM).

• Map step definitions to feature file scenarios using annotations like @Given, @When, @Then.

• Use regular expressions to match step definitions with steps in the feature file.

• Run the feature file with the step definiti...read more

Stale element reference exception occurs when an element is no longer attached to the DOM.

• Occurs when an element is located in the DOM, but later removed or modified

• Common in dynamic web applications where elements change frequently

• Can be resolved by re-locating the element before interacting with it

driver.get is a method used in Selenium WebDriver to navigate to a specific URL.

• driver.get() is a method in Selenium WebDriver used to open a specified URL in the browser

• It is used to navigate to a new page or refresh the current page

• Example: driver.get("https://www.example.com")

Java program to reverse a string

• Use StringBuilder class to reverse the string efficiently

• Convert the input string to a StringBuilder object

• Use the reverse() method of StringBuilder to reverse the string

• Convert the reversed StringBuilder back to a string and return

Java program to swap numbers using a temporary variable

• Declare two variables a and b with initial values

• Create a temporary variable to store the value of a

• Assign the value of b to a

• Assign the value of the temporary variable to b

API design implementation involves creating a well-structured and user-friendly interface for interacting with software applications.

• Understand the requirements and use cases for the API

• Design clear and consistent endpoints with proper documentation

• Implement secure authentication and authorization mechanisms

• Follow RESTful principles for creating APIs

• Consider scalability and performance optimizations

Coalesce combines values from multiple sources, while repatriation refers to returning data to its original source.

• Coalesce is often used in SQL to return the first non-null value from a list of columns.

• Example: SELECT COALESCE(column1, column2, 'default') FROM table; returns the first non-null value.

• Repatriation involves moving data back to its original system or location, often for compliance or data integrity.

• Exampl...read more