Testing Questions
What is Mocha? Mocha is a popular JavaScript test framework that runs on Node.js and in the browser. It provides a flexible and feature-rich environment for writing and running tests. Mocha is often used in conjunction with other testing libraries like Chai (for assertions) and Sinon (for spies, stubs, and mocks). Features of Mocha Test […]
What are Idempotent HTTP Methods? In HTTP, an idempotent method is one that produces the same result on the server, no matter how many times it is executed. Repeated requests should not change the resource state beyond the first request. Idempotent HTTP Methods GET: Retrieves data without modifying the resource. Multiple requests return the same […]
What factors to consider while selecting a Testing Tool? Let’s look at some factors to consider while selecting a testing tool. A testing tool is software that aids in planning, developing, and executing the web testing process to detect, track, and report errors. Selecting a Testing Tool Some important factors to be considered while selecting […]
What is the difference between Verification and Validation? This tutorial will outline the differences between Verification and Validation. Let’s first understand the terms. What is verification? Verification ensures the product is designed to deliver all functionality to the customer; it typically involves reviews and meetings to evaluate documents, plans, code, requirements, and specifications; this can […]
Difference Between Errors and Exceptions In programming, errors, and exceptions are common occurrences that can disrupt the normal flow of execution. While both errors and exceptions indicate that something went wrong, they differ in their causes and how they should be handled. Understanding the distinction between them is crucial for writing robust and reliable code. […]
Red-Black Tree A Red-Black Tree is a self-balancing binary search tree (BST) where each node contains an additional bit of information to maintain balance. This ensures that the tree remains approximately balanced, resulting in efficient operations. The name “Red-Black” comes from the fact that each node is colored either red or black. Properties of a […]