SDET Blueprint

 Green Box Testing is a software testing methodology that focuses on release testing to ensure that a system is fully functional and ready for deployment. It is often used in final validation stages before software is released to end users. Key Features of Green Box Testing Final Stage Testing : Conducted before software is released to ensure stability. User-Centric Approach : Ensures the software meets user expectations. Performance & Compatibility Testing : Validates system efficiency across different environments. Regression Testing : Ensures new updates do not introduce defects. Practical Applications Software Release Validation : Ensures the final version is free of major bugs. System Compatibility Testing : Checks software performance across different devices and operating systems. Security & Compliance Testing : Verifies adherence to industry standards. User Experience Test...

Red box testing is a hybrid software testing approach that combines elements of black box, grey box, and white box testing . It focuses on both external functionality and internal structure , making it useful for user acceptance testing (UAT), protocol testing, and compliance verification . Key Features of Red Box Testing Blends Different Testing Styles : Incorporates aspects of black, grey, and white box testing. User-Centric Approach : Ensures the software meets user expectations while maintaining technical compliance. Comprehensive Testing : Evaluates both functionality and internal logic. Cost-Effective : Helps catch issues early in development, reducing expensive fixes later. Practical Applications User Acceptance Testing (UAT) : Ensures the software meets business and user requirements. Protocol Testing : Verifies that the system follows industry standards and communication protocols. Security & Complianc...

 Yellow box testing is a software testing technique that focuses on verifying warning messages and alerts within an application. It ensures that the system correctly displays warnings when necessary, helping users make informed decisions. Key Features of Yellow Box Testing Checks Warning Messages: Ensures that alerts appear correctly when required. User Guidance: Helps users understand potential risks or required actions. Improves User Experience: Ensures warnings are clear and actionable. Common in UI Testing: Often used in web and mobile applications. Practical Applications Banking Applications: Ensures users receive warnings for incorrect account numbers or insufficient funds. E-commerce Websites: Validates alerts for expired discount codes or out-of-stock items. Healthcare Systems: Confirms that medication dosage warnings are displayed correctly. Security Systems: Checks alerts for una...

 Grey box testing is a software testing technique that combines elements of both black box testing and white box testing. Testers have partial knowledge of the internal workings of the application but do not have full access to the source code. This approach helps identify functional and structural issues efficiently. Key Features of Grey Box Testing Partial Knowledge of Code: Testers have some understanding of the internal structure but do not have full access. Combination of Black & White Box Testing: It merges the advantages of both testing methods. Focus on Functional & Structural Issues: Helps identify defects caused by improper code structure or incorrect usage. Useful for Web-Based Applications: Often applied in testing websites and web applications. Techniques Used in Grey Box Testing Matrix Testing: Evaluates business and technical risks associated with different variables in the softw...

White box testing, also known as glass box testing or structural testing, is a software testing method that examines the internal logic, structure, and code of an application. Unlike black box testing, which focuses on functionality without considering how the system works, white box testing ensures code optimization, security, and accuracy. Key Aspects of White Box Testing Code Coverage: Ensures all parts of the code are tested. Path Testing: Examines all possible execution paths to verify correct behavior. Loop Testing: Checks the efficiency and correctness of loops in the code. Security Testing: Identifies vulnerabilities within the codebase. White Box Testing Techniques To perform white box testing effectively, various techniques are used: Statement Coverage: Ensures every statement in the code is executed at least once. Branch Testing: Tests all possible branches of conditional statements (e.g., if-else conditions). Path ...

Black box testing is a software testing method where the tester evaluates the functionality of an application without knowing its internal code structure or implementation details. Instead, the focus is on inputs and expected outputs to ensure the system behaves as intended. Key Aspects of Black Box Testing 1. Types of Black Box Testing Functional Testing – Ensures the software meets its functional requirements. Non-functional Testing – Assesses aspects like performance, usability, and security. Regression Testing – Ensures that new updates don’t break existing functionality. 2. Techniques Used Equivalence Class Testing – Groups input values to minimize test cases while maintaining coverage. Boundary Value Testing – Tests values at the edges of acceptable input ranges. Decision Table Testing – Uses a matrix to map inputs to expected outcomes. 3. Advantages No need for programming knowledge. Mimics real-world user interactions. Helps identify missing functiona...

  Regression testing and sanity testing are both essential software testing techniques, but they serve different purposes in ensuring software stability after modifications. Regression Testing Definition: Regression testing is a comprehensive testing approach that ensures recent code changes do not negatively impact the existing functionality of an application. It involves re-running previously executed test cases to verify that the software still works as expected after modifications such as bug fixes, feature additions, or updates. Key Characteristics: Scope: Covers the entire application. Purpose: Ensures that new changes do not break existing functionality. Execution Time: Time-consuming due to extensive testing. Test Cases: Uses a large set of test cases. Automation: Often automated for efficiency. Depth: In-depth testing of all functionalities. When Used: After major updates, bug fixes, or new features. ...

In the world of software testing , two crucial terms often get mixed up— Test Scenario and Test Case . While they might seem similar, they serve distinct purposes in ensuring that a software application functions correctly. In this blog post, we’ll break down these concepts with detailed examples so you can master them effortlessly. What is a Test Scenario? A Test Scenario is a high-level description of what needs to be tested. It represents a functionality or feature of the application that requires validation. Test scenarios help testers understand the scope of testing without diving into specific steps Example of a Test Scenario Consider an e-commerce website where users need to purchase products online. A test scenario could be: Scenario: Validate the checkout process for an online purchase. This scenario ensures that users can successfully complete their purchase, from adding products to the cart to payment confirmation. What is a Test Case? A Test Case is a detail...

Software testing is a critical part of ensuring an application is stable, functional, and free from defects before release. Two essential types of testing— Smoke Testing and Sanity Testing —play crucial roles in this process, but they serve different purposes. In this blog, we'll explore the differences between Smoke Testing vs Sanity Testing , their characteristics, and real-world examples to help testers apply them effectively. What is Smoke Testing? Smoke testing is a preliminary test performed after a new software build to verify whether major functionalities are working as expected. It acts as a quick health check for the application before proceeding to deeper testing. Key Characteristics ✔ Focuses on essential critical functionalities . ✔ Executed on every new software build before deeper testing. ✔ Helps in early detection of major defects . ✔ Can be performed manually or automated . ✔ Also known as Build Verification Testing (BVT) . Example of Smoke Testin...

Introduction Test automation plays a critical role in modern software testing, but several common mistakes can lead to unreliable and hard-to-maintain tests. From flaky tests to poor design choices , these pitfalls can slow down the testing process. In this article, we’ll explore frequent mistakes and how to overcome them using Java-based automation . 1. Flaky Tests – The Silent Productivity Killer 🛑 The Problem: Flaky tests fail intermittently due to unstable locators, timing issues, or environmental inconsistencies. 🎯 Common Causes: Using hardcoded sleep values instead of dynamic waits. Unstable element locators changing frequently in UI updates. Dependency on inconsistent test data. ✅ Solution: Implement Explicit Waits and use reliable element locators . 🚀 Example: Using WebDriverWait in Selenium (Java) import org.openqa.selenium.By; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.support.ui.ExpectedCond...

Automation testing is essential for improving efficiency, reliability, and scalability in software testing. If you're using Selenium, TestNG, Maven, and Java , following best practices will help maintain your test framework effectively. 1. Use Page Object Model (POM) for Maintainability POM helps in separating test logic from UI element interactions, making tests more maintainable and less fragile when UI changes occur. Example: import org.openqa.selenium.By; import org.openqa.selenium.WebDriver; public class LoginPage { private WebDriver driver; public LoginPage(WebDriver driver) { this.driver = driver; } public void login(String username, String password) { driver.findElement(By.id("username")).sendKeys(username); driver.findElement(By.id("password")).sendKeys(password); driver.findElement(By.id("loginBtn")).click(); } } Using Page Objects , if a locator changes, you only update ...

  Introduction Testing is the backbone of software development, ensuring that applications function correctly. However, the roles within testing differ significantly—especially between a Manual Tester, Automation Engineer, and SDET . Let’s explore their differences. Role Comparison Role Primary Focus Required Skills Manual Tester Executes test cases manually Test documentation, functional testing, defect reporting Automation Engineer Writes scripts to automate tests Programming, automation tools, test execution SDET Develops and maintains automation frameworks Coding, CI/CD, API testing, performance testing Technical vs. Non-Technical Aspects Manual Testers focus on user experience validation without coding. Automation Engineers write scripts but don’t develop frameworks. SDETs bridge the gap between developmen...

Introduction The field of software testing has evolved significantly, and with the rise of automation, the Software Development Engineer in Test (SDET) role has become crucial. SDETs are technical testers with strong programming skills who ensure software quality through test automation and continuous integration. But what does an SDET really do? Let’s dive in.   Key Responsibilities of an SDET An SDET wears multiple hats—part developer, part tester, and part automation engineer. Their primary responsibilities include: Developing test automation frameworks for functional and regression testing. Writing automated test scripts to validate application functionality. Collaborating with developers to ensure testability of code. Implementing CI/CD pipelines with automated testing for continuous deployment. Conducting performance, security, and API testing to enhance software robustness. Required Skills for an SDET To excel as an SDET, you need a mix of technical and so...