Infosys QA Automation Engineer Interview Questions and Answers

Code to count the occurrences of each letter in a string and print the result

• Iterate through each character in the string

• Use a dictionary to store the count of each letter

• Print the count of each letter at the end

Appium server can be started using command line, programmatically in code, or using Appium desktop app.

• Start Appium server using command line by running 'appium' command

• Start Appium server programmatically in code using Appium server programmatically in code using AppiumDriverLocalService class

• Start Appium server using Appium desktop app by launching the app and starting the server

Tests can be run parallel for mobile devices using test automation frameworks like Appium or Espresso.

• Use test automation frameworks like Appium or Espresso to run tests parallel for mobile devices

• Leverage cloud-based testing platforms like Sauce Labs or BrowserStack for parallel testing on multiple devices

• Implement parallel test execution using tools like TestNG or JUnit in combination with Appium or Espresso

• Utilize d...read more

Automating OTP in mobile involves using automation tools to interact with the OTP input field and validate the received OTP.

• Use automation tools like Appium or Espresso to interact with the OTP input field

• Extract the OTP from the message received on the mobile device

• Validate the extracted OTP with the OTP input field

• Handle scenarios where OTP validation fails

Desired capabilities are a set of properties or attributes that define the behavior of a browser or mobile device in Selenium automation testing.

• Desired capabilities are key-value pairs that are used to configure the WebDriver instances in Selenium.

• They can be used to set properties like browser name, version, platform, and other settings.

• For example, setting 'browserName' to 'chrome' will launch the Chrome browser dur

To run tests on iOS or Android devices using Appium, specify the platformName capability in desired capabilities.

• Specify platformName capability as 'iOS' for iOS devices and 'Android' for Android devices

• Include other necessary desired capabilities like deviceName, platformVersion, appPackage, appActivity, etc.

• Example: capabilities.setCapability('platformName', 'iOS');

Setting up automation for iOS devices involves using tools like Appium and Xcode for testing mobile applications.

• Install Xcode on your Mac machine

• Set up Appium for iOS automation

• Connect your iOS device to the Mac machine

• Create test scripts using Appium for iOS apps

• Execute the test scripts on the connected iOS device

Gherkin words are keywords used in Gherkin syntax for writing test scenarios in Behavior Driven Development (BDD).

• Feature

• Scenario

• Given

• When

• Then

• And

• But

Plugins are used to extend the functionality of a software application.

• Plugins are additional software components that can be added to an existing application to provide new features or functionalities.

• They can be used to customize the behavior of the application without modifying its core code.

• Examples of plugins include browser extensions, WordPress plugins, and Adobe Photoshop filters.

To run a runner class, you can use a test runner tool like JUnit or TestNG in your automation testing framework.

• Use a test runner tool like JUnit or TestNG to execute the runner class

• Add the @RunWith annotation in JUnit or specify the runner class in TestNG XML file

• Make sure the runner class includes the necessary setup and teardown methods for test execution

TestNG allows running tests in parallel mode using groups and priorities.

• Use 'parallel' attribute in testng.xml file to specify parallel mode (e.g. )

• Use 'groups' attribute in testng.xml file to group tests that should run in parallel (e.g. )

• Use 'priority' attribute in testng.xml file to specify the order in which tests should run (e.g.

Merge Sort is a divide and conquer algorithm that divides the input array into two halves, sorts them, and then merges them back together.

• Divide the array into two halves recursively

• Sort each half using Merge Sort recursively

• Merge the sorted halves back together

Program to reverse a string using array of characters

• Create an array of characters from the input string

• Iterate through the array in reverse order and append each character to a new string

• Return the reversed string

Data driven testing syntax using XSSF Workbook

• Create XSSFWorkbook object

• Get the sheet from the workbook

• Iterate through rows and columns to fetch test data

• Use test data in your test cases