Persistent Systems Test Module Lead Interview Questions, Process, and Tips

Q1. Appium architecture
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Q2. Java oops concepts n where did u apply that in automation framework
Ans. 
Java OOPs concepts are used in automation framework design for better code organization and reusability.
• Encapsulation: Used to hide the internal implementation details of classes and provide access through methods.

• Inheritance: Allows for code reuse by creating parent-child relationships between classes.

• Polymorphism: Enables methods to behave differently based on the object they are called on.

• Abstraction: Helps in defin...read more
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Q3. How to handle otp
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OTP can be handled by generating, sending, and verifying it in automated tests.
• Generate OTP using a random number generator

• Send OTP to the user via email, SMS, or any other communication channel

• Verify OTP entered by the user against the generated OTP
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Q4. How start appium in automation
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To start Appium in automation, you need to install Appium server, set up desired capabilities, and run the server.
• Install Appium server using npm install -g appium

• Set up desired capabilities in your test script

• Start the Appium server using the command appium
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Q5. What are the types of mobile apps
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Types of mobile apps include native apps, web apps, and hybrid apps.
• Native apps are developed for specific platforms like iOS or Android

• Web apps are accessed through a web browser and do not need to be downloaded from an app store

• Hybrid apps combine elements of both native and web apps

• Examples include Instagram (native), Twitter (web), and Uber (hybrid)
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Q6. Program to remove duplicate letters in a string
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Program to remove duplicate letters in a string
• Iterate through the string and keep track of seen characters in a set

• Append characters to a new string only if they are not already in the set

• Return the new string without duplicate letters
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Q7. How to perform swipe action in mobile devices
Ans. 
Swipe action in mobile devices can be performed using swipe() method in Appium or TouchAction class in Selenium.
• Use swipe() method in Appium to perform swipe action in mobile devices

• Alternatively, use TouchAction class in Selenium for swipe action

• Specify the start and end coordinates for the swipe action

• Adjust the duration and speed of the swipe as needed
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Q1. ETL tetsing methods, schema, SCD types, string function, some query based on scenario
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Q2. L2 round - rank, dense rank, rownumber, types of fact, dimensions, duplicate query
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Q1. Java program to split alpha-numeric values without using the split method
Ans. 
Split alpha-numeric values in Java without using split method
• Iterate through each character in the input string

• Check if the character is a digit or a letter using Character.isDigit() and Character.isLetter() methods

• Create separate strings for digits and letters and store them in an array
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Q2. SQL query to add a new column to a table and the column value should have a default value and never be null
Ans. 
Use ALTER TABLE statement to add a new column with a default value and set it to NOT NULL
• Use ALTER TABLE table_name ADD column_name data_type DEFAULT default_value NOT NULL;

• Example: ALTER TABLE employees ADD hire_date DATE DEFAULT '2022-01-01' NOT NULL;
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Q1. Selenium vs cypress
Ans. 
Selenium is a widely used open-source tool for web automation testing, while Cypress is a newer tool known for its fast and reliable testing capabilities.
• Selenium is more established and has a larger community support

• Cypress is known for its fast test execution times

• Cypress has built-in support for modern web technologies like React and Angular

• Selenium supports multiple programming languages like Java, Python, and C#

• Cy...read more
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Q2. How do you install cypress
Ans. 
Cypress can be installed using npm package manager.
• Install Node.js if not already installed

• Open terminal and run 'npm install cypress'

• Once installation is complete, run 'npx cypress open' to open Cypress Test Runner
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Q3. Reverse a string in Javascript
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Reverse a string in Javascript
• Use the split() method to convert the string into an array of characters

• Use the reverse() method to reverse the order of the characters

• Use the join() method to convert the array back into a string
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Q1. Coding questions about c programming
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Q2. Errors faced and resolution done
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I have faced errors related to compatibility issues with software versions, and resolved them by updating the software to the latest version.
• Identified the specific software versions causing compatibility issues

• Researched and found the latest version of the software

• Updated the software to the latest version to resolve the compatibility issues
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Q1. Salary negotitation
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Q2. Joining date preference
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Mixed questions from aptitude, reasoning and english questions.

Q1. Basic questions from Manual Testing and SQL
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Q1. Basic interview and salary discussion
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Q1. Constructor design
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Q2. Xpath locators page object model
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20 aptitude questions and 50 technical questions

Q1. Tell me about your self
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Q2. Explain automation framework
Ans. 
Automation framework is a set of guidelines, rules, and tools that help in creating and executing automated tests.
• Automation framework provides structure and guidelines for creating automated tests

• It helps in organizing test scripts, data, and results

• Frameworks can be data-driven, keyword-driven, or hybrid

• Examples of automation frameworks include Selenium WebDriver, TestNG, and Robot Framework
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Q3. Java code for sorting without using built in function
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Sorting array of strings in Java without using built-in functions
• Create a custom sorting algorithm like bubble sort, selection sort, or insertion sort

• Compare each pair of strings and swap them if necessary to sort in ascending order

• Repeat the process until the array is fully sorted
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Q4. Explain testng annotations and how will we use annotation in our framework
Ans. 
TestNG annotations are used to control the flow of test methods and provide additional information about the test methods.
• TestNG annotations are used to mark methods as test methods, setup methods, teardown methods, etc.

• Annotations like @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite are commonly used in TestNG framework.

• Annotations help in organizing and prioritizing test metho...read more
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Q5. What is testng listener
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TestNG listener is an interface that allows users to customize the test execution process.
• TestNG listeners can be used to perform actions before or after a test method is run.

• Listeners can be used to generate logs, take screenshots, or perform other custom actions during test execution.

• Examples of TestNG listeners include ITestListener, ISuiteListener, and IInvokedMethodListener.
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Q6. What is overriding and where it is used in automation framework
Ans. 
Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its superclass.
• Overriding allows a subclass to provide a specific implementation of a method that is already provided by its superclass

• It is used in automation frameworks to customize or extend the functionality of existing methods or classes

• In automation testing, overriding...read more
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Q7. Explain bdd hooks and tags
Ans. 
BDD hooks and tags are used in Behavior-Driven Development to set up preconditions and execute actions before or after scenarios, and to categorize and filter scenarios.
• BDD hooks are used to set up preconditions and execute actions before or after scenarios

• Tags are used to categorize and filter scenarios based on certain criteria

• Hooks can be used to perform setup and teardown actions, such as initializing test data or ...read more
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Q8. Explain bdd background keyword
Ans. 
BDD background keyword is used to define common preconditions for all scenarios in a feature file.
• Used at the beginning of a feature file to define common preconditions

• Helps in setting up the initial state for all scenarios in the feature file

• Reduces duplication of steps in scenarios by defining them once in the background
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Q9. Explain ci/cd pipeline using jenkins
Ans. 
CI/CD pipeline using Jenkins automates the process of integrating code changes and deploying them to production.
• Jenkins is a popular automation server used for CI/CD

• CI/CD stands for Continuous Integration/Continuous Deployment

• In a CI/CD pipeline, code changes are automatically built, tested, and deployed

• Jenkins pipelines can be defined using a Jenkinsfile which specifies the stages and steps of the pipeline

• Example: Che...read more
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Q10. Explain rest assured and write a code for post and verify the response
Ans. 
Rest Assured is a Java library for testing RESTful APIs. It simplifies API testing by providing a fluent interface to make HTTP requests and validate responses.
• Rest Assured is commonly used in API automation testing to validate the functionality of RESTful APIs.

• It allows testers to easily make HTTP requests, set headers, parameters, and body, and validate the response.

• Here is an example code snippet for posting data an...read more
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