30+ Zangoh Interview Questions and Answers

Hybrid, Web, and Native applications differ in their development approach and platform compatibility.

• Hybrid applications are built using web technologies like HTML, CSS, and JavaScript, and are wrapped in a native container for deployment.

• Web applications are accessed through a web browser and are developed using web technologies like HTML, CSS, and JavaScript.

• Native applications are developed for specific platforms like iOS or Android using platform-specific languages like S...read more

Smoke testing is a subset of sanity testing. Smoke testing is done to check if the critical functionalities of the software are working fine after a build, while sanity testing is done to check if the specific functionalities are working fine after fixes or changes.

• Smoke testing is done to check if the critical functionalities of the software are working fine after a build.

• Sanity testing is done to check if the specific functionalities are working fine after fixes or changes....read more

Yes, Cypress allows multiple tabs for testing.

• Cypress does support testing in multiple tabs by using the cy.visit() command to open new tabs

• Each tab can be controlled independently in Cypress tests

• Assertions and commands can be executed in each tab separately

Understanding OOP concepts, finding Xpath, and performing mouse actions are essential skills for a QA Engineer.

• Understand the principles of Object-Oriented Programming (OOP) such as inheritance, polymorphism, encapsulation, and abstraction.

• Use Xpath to locate elements on a web page by their attributes or structure.

• Perform mouse actions like click, double click, drag and drop using Selenium WebDriver or other automation tools.

Dynamic wait can be handled using explicit wait in automation.

• Explicit wait allows the automation script to wait for a specific condition to occur before proceeding.

• It can be used to wait for an element to be visible, clickable, or present.

• Timeouts can be set for explicit wait to avoid waiting indefinitely.

• Examples of explicit wait include WebDriverWait in Selenium and WebDriverWait in Appium.

Program to reverse string while keeping words in same position

• Split the input string into an array of words

• Reverse each word in the array

• Join the reversed words back into a single string

To find an element using CSS selector, you can use the document.querySelector() method.

• Use document.querySelector() method with the CSS selector as the argument.

• Make sure the CSS selector is unique to the element you want to find.

• You can also use document.querySelectorAll() to find multiple elements.

Smoke testing is a subset of regression testing, focusing on testing major functionalities to ensure stability. Sanity testing is a subset of regression testing, focusing on testing specific functionalities to ensure basic functionality.

• Smoke testing is a shallow and wide approach, while sanity testing is a deep and narrow approach.

• Smoke testing is performed on stable builds, while sanity testing is performed on unstable builds.

• Smoke testing is usually executed before sanity ...read more

Verification ensures the product is built right, while validation ensures the right product is built.

• Verification focuses on the process of building the product according to specifications

• Validation focuses on whether the product meets the customer's needs and expectations

• Verification is done through reviews, inspections, walkthroughs, and meetings

• Validation is done through testing, user feedback, and acceptance criteria

• Example: Verification would involve checking if a softwa...read more

The framework used in the project is Selenium WebDriver with TestNG for test automation.

• Selenium WebDriver is used for automating web applications

• TestNG is a testing framework that provides functionalities like test grouping, parameterization, and parallel execution

Retesting is testing the same functionality again to ensure the defect is fixed, while regression testing is testing the unchanged parts of the application to ensure new changes do not affect existing functionality.

• Retesting focuses on the defect fix, while regression testing focuses on ensuring existing functionality is not impacted by new changes.

• Retesting is done after a defect is fixed, while regression testing is done after new changes are made to the application.

• Retesti...read more

Script to capture a screenshot in Selenium

• Import necessary libraries in Selenium

• Create an instance of WebDriver

• Use getScreenshotAs method to capture the screenshot

• Save the screenshot to a desired location

A program to check if a number is prime or not

• Iterate from 2 to square root of the number and check if it divides the number evenly

• If any number divides the given number, it is not prime

• If no number divides the given number, it is prime

Absolute xpath starts from the root node, while relative xpath starts from any node in the XML tree.

• Absolute xpath starts with a single forward slash (/) and is used to locate an element starting from the root node.

• Relative xpath starts with a double forward slash (//) and is used to locate an element starting from anywhere in the XML tree.

• Absolute xpath is more brittle as any changes in the structure of the XML can break the xpath, while relative xpath is more flexible and r...read more

Cypress is a modern JavaScript-based testing framework while Selenium is a widely-used open-source testing tool.

• Cypress is more developer-friendly with built-in features like time travel and automatic waiting, while Selenium requires explicit waits and handling of asynchronous behavior.

• Cypress has a simpler setup process compared to Selenium, which requires additional dependencies like WebDriver.

• Cypress provides better debugging capabilities with its interactive test runner, ...read more

Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.

• Performed after code changes to verify that existing features still work correctly

• Helps prevent the introduction of new bugs or issues

• Can be automated to save time and effort

• Examples: running test cases after a software update, checking for bugs after adding new features

List is mutable, tuple is immutable in Python.

• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is used for collections of items that may change, tuple for fixed collections.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)

Java concepts used in project include OOP, inheritance, polymorphism, encapsulation, exception handling, and multithreading.

• Object-oriented programming (OOP) principles are used to design and implement classes and objects.

• Inheritance allows classes to inherit attributes and methods from other classes.

• Polymorphism enables objects to be treated as instances of their parent class.

• Encapsulation ensures data hiding and access control within classes.

• Exception handling is used to ma...read more

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

• Combines data-driven and keyword-driven approaches

• Uses reusable functions and libraries for common actions

• Supports parallel execution for faster test runs

• Integrates with CI/CD tools for continuous testing

• Generates detailed test reports for easy analysis

Software testing is the process of evaluating a software application to ensure it meets specified requirements and functions correctly.

• Software testing involves executing the software with the intent of finding defects or bugs.

• It helps in identifying errors, gaps, or missing requirements in contrary to the actual requirements.

• Examples of software testing include unit testing, integration testing, system testing, and acceptance testing.

Waits in Selenium are used to handle synchronization issues, OOPS is Object-Oriented Programming concepts, and Agile is a software development methodology.

• Waits in Selenium are used to wait for certain conditions to be met before proceeding with the next steps in test automation scripts.

• OOPS concepts in programming include inheritance, encapsulation, polymorphism, and abstraction.

• Agile is a software development methodology that emphasizes iterative development, collaboration,...read more

NUnit is a unit testing framework for .NET applications.

• NUnit is used for writing and running automated unit tests in C# and other .NET languages.

• It provides various attributes and assertions to help with testing.

• NUnit can be integrated with Visual Studio for easy test execution and debugging.

To reverse a number in Java, convert it to a string, reverse the string, and then convert it back to an integer.

• Convert the number to a string using String.valueOf() method

• Use StringBuilder class to reverse the string

• Convert the reversed string back to an integer using Integer.parseInt() method

Find the longest string from an array of strings.

• Iterate through the array of strings and keep track of the length of each string.

• Compare the lengths of the strings to find the longest one.

• Return the longest string found.

Program to find palindrome in an array of strings.

• Iterate through each string in the array

• Reverse each string and compare with original string

• If they are equal, it is a palindrome

To handle popups, use automation tools to identify and interact with them programmatically.

• Use automation tools like Selenium to handle popups in web applications

• Identify the popup element using its unique attributes

• Interact with the popup by clicking buttons or entering text as needed

• Handle different types of popups such as alerts, confirmations, and prompts

SQL joins are used to combine data from two or more tables based on a related column between them.

• Joins are used to retrieve data from multiple tables in a single query

• There are different types of joins such as inner join, left join, right join, and full outer join

• Inner join returns only the matching rows from both tables

• Left join returns all the rows from the left table and matching rows from the right table

• Right join returns all the rows from the right table and matching ro...read more

Automation framework is a set of guidelines, best practices, tools, and libraries used to automate testing processes.

• Automation framework provides structure and guidelines for writing automated tests.

• It helps in organizing test scripts, managing test data, and generating test reports.

• Common types of automation frameworks include keyword-driven, data-driven, and hybrid frameworks.

• Frameworks like Selenium WebDriver, TestNG, and Cucumber are commonly used in automation testing.

Use modulus operator to find odd numbers in Java

• Iterate through the array of numbers

• Use modulus operator (%) to check if a number is odd (number % 2 != 0)

• Add the odd numbers to a separate list or print them

Collection framework in Java provides a set of interfaces and classes to store and manipulate groups of objects.

• Provides interfaces like List, Set, Map for storing collections of objects

• Classes like ArrayList, LinkedList, HashSet, HashMap implement these interfaces

• Allows easy manipulation and iteration over collections

• Provides algorithms like sorting and searching for collections

• Enhanced performance and memory management compared to traditional arrays

Bug life cycle is the process of a bug from identification to resolution in software testing.

• Bug is identified by QA Engineer

• Bug is reported in bug tracking tool

• Bug is assigned to developer for fixing

• Developer fixes the bug

• QA Engineer retests the bug

• Bug is closed if fixed or reopened if not