'use strict'

const { test } = require('node:test')

const Fastify = require('..')

test('should remove content-type for setErrorHandler', async t => {

t.plan(8)

let count = 0

const fastify = Fastify()

fastify.setErrorHandler(function (error, request, reply) {

t.assert.strictEqual(error.message, 'kaboom')

t.assert.strictEqual(reply.hasHeader('content-type'), false)

reply.code(400).send({ foo: 'bar' })

})

fastify.addHook('onSend', async function (request, reply, payload) {

count++

t.assert.strictEqual(typeof payload, 'string')

switch (count) {

case 1: {

// should guess the correct content-type based on payload

t.assert.strictEqual(reply.getHeader('content-type'), 'text/plain; charset=utf-8')

throw Error('kaboom')

}

case 2: {

// should guess the correct content-type based on payload

t.assert.strictEqual(reply.getHeader('content-type'), 'application/json; charset=utf-8')

return payload

}

default: {

t.fail('should not reach')

}

}

})

fastify.get('/', function (request, reply) {

reply.send('plain-text')

})

const { statusCode, body } = await fastify.inject({ method: 'GET', path: '/' })

t.assert.strictEqual(statusCode, 400)

t.assert.strictEqual(body, JSON.stringify({ foo: 'bar' }))

})