AI.TDD - The New Paradigm of Software Development

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Best Practices

A collection of 25 issues

Test-Driven Development: A Practical Guide

Introduction Test-Driven Development (TDD) is a software development approach where tests are written before the actual code. This article provides a practical guide to implementing TDD in your projects. The TDD Cycle 1. Write a failing test 2. Write the minimum code to pass the test 3. Refactor the code

TDD in JavaScript: Modern Testing Practices

Introduction JavaScript's dynamic nature and ecosystem present unique challenges and opportunities for Test-Driven Development. This article explores modern TDD practices in JavaScript. Setting Up a TDD Environment // package.json { "scripts": { "test": "jest --watch", "test:coverage": "jest --coverage" }, "

The Art of Unit Testing: Roy Osherove's Approach

Introduction Roy Osherove's "The Art of Unit Testing" provides comprehensive guidance on writing effective unit tests. This article explores key concepts and practical examples from the book. Test Structure: The AAA Pattern Osherove emphasizes the Arrange-Act-Assert pattern for clear test structure: describe('UserService', () =>

TDD by Example: Learning from Kent Beck

Introduction Kent Beck's "Test-Driven Development: By Example" is a seminal work that introduced many developers to TDD. This article explores key concepts and practical examples from the book. Money Example: A Classic TDD Case Study One of the most famous examples from the book is the

TDD in Python: Writing Clean and Testable Code

Introduction Python's simplicity and readability make it an excellent language for Test-Driven Development. This article explores TDD practices in Python using pytest and other modern testing tools. Setting Up a TDD Environment # requirements.txt pytest==7.0.0 pytest-cov==4.0.0 pytest-mock==3.10.0 # pytest.ini

TDD and Database Interactions: Testing Data Layer

Introduction Testing database interactions is a crucial part of Test-Driven Development. This article explores strategies for effectively testing database operations while maintaining test isolation and performance. Test Database Setup // database.test.js describe('Database Tests', () => { let db; beforeAll(async () => { db = await setupTestDatabase(); }); afterAll(async () => { await

TDD and Performance Testing: Building Fast Applications

Introduction Performance testing is essential for building high-quality applications. This article explores how to incorporate performance testing into your TDD workflow. Response Time Testing // performance.test.js describe('API Performance', () => { test('should respond within 100ms', async () => { const start = performance.now(); await request(app).get(

TDD and Clean Architecture: A Perfect Match

Introduction Test-Driven Development and Clean Architecture complement each other perfectly. This article explores how to combine these practices to create maintainable and testable software. Clean Architecture Principles Clean Architecture provides a way to structure applications with clear boundaries and dependencies: * Independence of frameworks * Testability * Independence of UI * Independence of database

The Red-Green-Refactor Cycle: A Deep Dive

Introduction The Red-Green-Refactor cycle is the heartbeat of Test-Driven Development. This article explores each phase in detail and provides practical examples of how to implement this fundamental TDD practice. The Three Phases Red: Write a Failing Test In this phase, we write a test that defines the behavior we want

TDD Best Practices: Writing Effective Tests

Introduction Writing effective tests is crucial for successful Test-Driven Development. This article explores best practices that will help you write better tests and improve your TDD workflow. Test Structure: The AAA Pattern The Arrange-Act-Assert (AAA) pattern is a fundamental structure for writing clear and maintainable tests: test('should calculate