Testing Fundamentals

What is Software Testing?

// understand what software testing is, why it matters, and what a tester actually does.

Why is Software Testing Important?

// real-world consequences of poor testing and the value qa brings to a team.

SDLC — Software Development Life Cycle

// the phases of software development and where testing fits in.

STLC — Software Testing Life Cycle

// the dedicated life cycle for testing — from requirements analysis to closure.

V-Model in Software Testing

// how testing maps to each development phase in the v-model.

Verification vs Validation

// are we building the product right? are we building the right product?

Static Testing vs Dynamic Testing

// testing without running the code vs testing with execution.

7 Principles of Software Testing

// the fundamental rules every tester should follow.

QA vs QC — What is the Difference?

// quality assurance vs quality control — roles, responsibilities, and differences.

Software Tester vs SQA Engineer

// understanding the difference in scope, responsibility, and mindset.

Error vs Defect vs Failure

// three terms everyone uses interchangeably — but they mean very different things.

Levels of Testing

// unit, integration, system, and acceptance testing — the four levels explained.

Types of Testing — Overview

// a high-level map of all testing types: functional, non-functional, manual, automated.

Risk-Based Testing

// test the highest-risk areas first — how to prioritise when time is limited.

How to Write a Test Case

// the anatomy of a well-written test case — every field, why it matters, and what makes it good or bad.

Test Plan vs Test Strategy

// two documents every qa engineer must know — what each is, who writes it, and when to use which.