Hono Testing

If you're building APIs with Hono and want to test them properly, this gives you the patterns to do it right. Hono's testing story is refreshingly simple: construct a Request, pass it to your app, check the Response. The skill covers both the basic app.request() API and the typed test client that gives you full inference. It also handles environment mocking for Cloudflare Workers, which is nice if you're deploying there. Works with whatever test runner you're already using. Honestly, this is the kind of testing approach more frameworks should adopt. No ceremony, just request in and response out.

skills.sh installs: 422
GitHub stars: 79
last updated: Aug 21, 2026

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Install

$ npx -y skills add bobmatnyc/claude-mpm-skills --skill hono-testing --agent claude-code

Installs into .claude/skills of the current project.

Files

Hono Testing Patterns

Overview

Hono provides a simple testing approach: create a Request, pass it to your app, and validate the Response. The framework includes a typed test client for even better DX.

Key Features:

Simple app.request() API
Typed test client with full inference
Environment mocking for Workers
Works with Vitest, Jest, or any test runner

When to Use This Skill

Use Hono testing when:

Writing unit tests for route handlers
Integration testing API endpoints
Testing middleware behavior
Mocking Cloudflare Workers bindings
Validating request/response cycles

Basic Testing

Using app.request()

import { Hono } from 'hono'
import { describe, it, expect } from 'vitest'

const app = new Hono()

app.get('/hello', (c) => c.text('Hello!'))
app.get('/json', (c) => c.json({ message: 'Hello' }))

describe('Basic routes', () => {
  it('should return text', async () => {
    const res = await app.request('/hello')

    expect(res.status).toBe(200)
    expect(await res.text()).toBe('Hello!')
  })

  it('should return JSON', async () => {
    const res = await app.request('/json')

SKILL.md on GitHub