Shayan Danish (@shayandanish)

beforeAll, beforeEach, afterAll, afterEach — What Goes Where and Why It Matters in Testing

When writing tests in Jest, Mocha, or any modern test runner, you’ve probably used these lifecycle hooks: beforeAll() beforeEach() afterAll() afterEach() But what happens when you place them outside vs inside a describe() block?Let’s break it d...

Jun 11, 2025 · 2 min readtestingsoftware.hashnode.dev

Unit Testing vs Integration Testing

If you're building serious software, you need tests. But not all tests are the same. \> Unit TestsTest small, isolated pieces (usually functions).Fast to run. Easy to debug.Good for catching logical errors early. \> Integration TestsTest how differen...

Jun 10, 2025 · 1 min readtestingsoftware.hashnode.dev

Server-Side Caching: Supercharge Your App's Performance

When it comes to building fast, scalable web applications, caching is your best friend. And among various caching strategies, server-side caching stands out as one of the most effective ways to reduce response time and boost performance. In this post...

Jun 6, 2025 · 3 min readcachingforscaling.hashnode.dev

Zomato x A2A: The Google Way of Agent Talk

🧠 Why Even Tech Giants Feel FOMO (And Why Agents Are the Future) You know what's common in startups, developers, and even tech giants?FOMO. Fear of missing out on the next big thing. And right now, that "big thing" is AI agents. Ever since Anthropic...

Apr 14, 2025 · 2 min readaiagentsworld.hashnode.dev

Forget Claude Desktop: Build Your Own Custom AI Agent with MCP Client + Server

This is a simplified implementation of the official ModelContextProtocol SDK, aimed at helping developers quickly understand how LLM agents (like Claude) can reason, invoke tools, and interpret the results — step by step. Unlike most tutorials that r...

Mar 28, 2025 · 6 min readaiagentsworld.hashnode.dev

Shayan Danish

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Shayan Danish's blogs

beforeAll, beforeEach, afterAll, afterEach — What Goes Where and Why It Matters in Testing

Unit Testing vs Integration Testing

Server-Side Caching: Supercharge Your App's Performance

Zomato x A2A: The Google Way of Agent Talk

Forget Claude Desktop: Build Your Own Custom AI Agent with MCP Client + Server

Shayan Danish

About

Available for

Shayan Danish's blogs

beforeAll, beforeEach, afterAll, afterEach — What Goes Where and Why It Matters in Testing

Unit Testing vs Integration Testing

Server-Side Caching: Supercharge Your App's Performance

Zomato x A2A: The Google Way of Agent Talk

Forget Claude Desktop: Build Your Own Custom AI Agent with MCP Client + Server

Shayan Danish

About

Available for

Shayan Danish's blogs

beforeAll, beforeEach, afterAll, afterEach — What Goes Where and Why It Matters in Testing

Unit Testing vs Integration Testing

Server-Side Caching: Supercharge Your App's Performance

Zomato x A2A: The Google Way of Agent Talk

Forget Claude Desktop: Build Your Own Custom AI Agent with MCP Client + Server

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Shayan Danish

About

Available for

Shayan Danish's blogs

beforeAll, beforeEach, afterAll, afterEach — What Goes Where and Why It Matters in Testing

Unit Testing vs Integration Testing

Server-Side Caching: Supercharge Your App's Performance

Zomato x A2A: The Google Way of Agent Talk

Forget Claude Desktop: Build Your Own Custom AI Agent with MCP Client + Server