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Runtime error
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'use strict'
const { test } = require('node:test')
const proxyquire = require('proxyquire')
const Fastify = require('../../fastify')
const { createServer } = require('../../lib/server')
const handler = (req, res) => {
res.writeHead(200, { 'Content-Type': 'application/json' })
res.end(JSON.stringify({ data: 'Hello World!' }))
}
test('start listening', async t => {
const { server, listen } = createServer({}, handler)
await listen.call(Fastify(), { port: 0, host: 'localhost' })
server.close()
t.assert.ok(true, 'server started')
})
test('DNS errors does not stop the main server on localhost - promise interface', async t => {
const { createServer } = proxyquire('../../lib/server', {
'node:dns': {
lookup: (hostname, options, cb) => {
cb(new Error('DNS error'))
}
}
})
const { server, listen } = createServer({}, handler)
await listen.call(Fastify(), { port: 0, host: 'localhost' })
server.close()
t.assert.ok(true, 'server started')
})
test('DNS errors does not stop the main server on localhost - callback interface', (t, done) => {
t.plan(2)
const { createServer } = proxyquire('../../lib/server', {
'node:dns': {
lookup: (hostname, options, cb) => {
cb(new Error('DNS error'))
}
}
})
const { server, listen } = createServer({}, handler)
listen.call(Fastify(), { port: 0, host: 'localhost' }, (err) => {
t.assert.ifError(err)
server.close()
t.assert.ok(true, 'server started')
done()
})
})
test('DNS returns empty binding', (t, done) => {
t.plan(2)
const { createServer } = proxyquire('../../lib/server', {
'node:dns': {
lookup: (hostname, options, cb) => {
cb(null, [])
}
}
})
const { server, listen } = createServer({}, handler)
listen.call(Fastify(), { port: 0, host: 'localhost' }, (err) => {
t.assert.ifError(err)
server.close()
t.assert.ok(true, 'server started')
done()
})
})
test('DNS returns more than two binding', (t, done) => {
t.plan(2)
const { createServer } = proxyquire('../../lib/server', {
'node:dns': {
lookup: (hostname, options, cb) => {
cb(null, [
{ address: '::1', family: 6 },
{ address: '127.0.0.1', family: 4 },
{ address: '0.0.0.0', family: 4 }
])
}
}
})
const { server, listen } = createServer({}, handler)
listen.call(Fastify(), { port: 0, host: 'localhost' }, (err) => {
t.assert.ifError(err)
server.close()
t.assert.ok(true, 'server started')
done()
})
})
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