Complete Guide to Software Testing Levels: From Unit to End-to-End Testing
Testing is an essential phase in software development, and it is essential to ensure that the software application or product functions as expected, meet the requirements and satisfies the user's needs. Testing is conducted at different levels of software development to detect defects, errors, and inconsistencies in the software. These levels of testing are commonly referred to as testing levels, and each level of testing has its purpose, scope, and objective. In this article, we will discuss the different levels of testing and their specific characteristics, along with detailed examples. Table of Contents Unit Testing Smoke Testing Sanity Testing Integration Testing System Testing Regression Testing Acceptance Testing Alpha Testing Beta Testing End-to-End Testing 1. Unit Testing Unit testing is a software testing technique in which individual units or components of the software application are tested in isolation to ensure that each component functions correctly and meets the spec