/Knowledge/sources/honojs__hono/llms-full/testing-helper-testclient--part-03--20983a434ba0.md
Testing Helper: testClient() (part 03) - hono-docs
Testing Helper: testClient() (part 03) Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt testclient Summ...
Testing Helper: testClient() (part 03)
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#testclient
Summary
## Content
```ts
// index.test.ts
import { Hono } from 'hono'
import { testClient } from 'hono/testing'
import { describe, it, expect } from 'vitest' // Or your preferred test runner
import app from './app'
describe('Search Endpoint', () => {
// Create the test client from the app instance
const client = testClient(app)
it('should return search results', async () => {
// Call the endpoint using the typed client
// Notice the type safety for query parameters (if defined in the route)
// and the direct access via .$get()
const res = await client.search.$get({
query: { q: 'hono' },
})
// Assertions
expect(res.status).toBe(200)
expect(await res.json()).toEqual({
query: 'hono',
results: ['result1', 'result2'],
})
})
})
Metadata
{
"chunk_index": 2,
"citation": "https://hono.dev/llms-full.txt#testclient",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Testing Helper > `testClient()` (3)",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 692,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Testing Helper: testClient() (part 03)",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
}
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