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close-and-destroy.js
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close-and-destroy.js
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'use strict'
const { test } = require('tap')
const { Client, errors } = require('..')
const { createServer } = require('http')
const { kSocket } = require('../lib/core/symbols')
const util = require('../lib/core/util')
test('close waits for queued requests to finish', (t) => {
t.plan(16)
const server = createServer()
server.on('request', (req, res) => {
t.pass('request received')
res.end('hello')
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`)
t.tearDown(client.destroy.bind(client))
client.request({ path: '/', method: 'GET' }, function (err, data) {
onRequest(err, data)
client.request({ path: '/', method: 'GET' }, onRequest)
client.request({ path: '/', method: 'GET' }, onRequest)
client.request({ path: '/', method: 'GET' }, onRequest)
// needed because the next element in the queue will be called
// after the current function completes
util.queueMicrotask(function () {
client.close()
})
})
})
function onRequest (err, { statusCode, headers, body }) {
t.error(err)
t.strictEqual(statusCode, 200)
const bufs = []
body.on('data', (buf) => {
bufs.push(buf)
})
body.on('end', () => {
t.strictEqual('hello', Buffer.concat(bufs).toString('utf8'))
})
}
})
test('destroy invoked all pending callbacks', (t) => {
t.plan(4)
const server = createServer()
server.on('request', (req, res) => {
res.write('hello')
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`, {
pipelining: 2
})
t.tearDown(client.destroy.bind(client))
client.request({ path: '/', method: 'GET' }, (err, data) => {
t.error(err)
data.body.on('error', (err) => {
t.ok(err)
}).resume()
client.destroy()
})
client.request({ path: '/', method: 'GET' }, (err) => {
t.ok(err instanceof errors.ClientDestroyedError)
})
client.request({ path: '/', method: 'GET' }, (err) => {
t.ok(err instanceof errors.ClientDestroyedError)
})
})
})
test('destroy invoked all pending callbacks ticked', (t) => {
t.plan(4)
const server = createServer()
server.on('request', (req, res) => {
res.write('hello')
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`, {
pipelining: 2
})
t.tearDown(client.destroy.bind(client))
let ticked = false
client.request({ path: '/', method: 'GET' }, (err) => {
t.strictEqual(ticked, true)
t.ok(err instanceof errors.ClientDestroyedError)
})
client.request({ path: '/', method: 'GET' }, (err) => {
t.strictEqual(ticked, true)
t.ok(err instanceof errors.ClientDestroyedError)
})
client.destroy()
ticked = true
})
})
test('close waits until socket is destroyed', (t) => {
t.plan(4)
const server = createServer((req, res) => {
res.end(req.url)
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`)
t.tearDown(client.destroy.bind(client))
makeRequest()
client.once('connect', () => {
let done = false
client[kSocket].on('close', () => {
done = true
})
client.close((err) => {
t.error(err)
t.strictEqual(client.closed, true)
t.strictEqual(done, true)
})
})
function makeRequest () {
client.request({ path: '/', method: 'GET' }, (err, data) => {
t.error(err instanceof errors.ClientClosedError)
})
return client.size <= client.pipelining
}
})
})
test('close should still reconnect', (t) => {
t.plan(6)
const server = createServer((req, res) => {
res.end(req.url)
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`)
t.tearDown(client.destroy.bind(client))
t.ok(makeRequest())
t.ok(!makeRequest())
client.close((err) => {
t.strictEqual(err, null)
t.strictEqual(client.closed, true)
})
client[kSocket].destroy()
function makeRequest () {
client.request({ path: '/', method: 'GET' }, (err, data) => {
data.body.resume()
t.error(err)
})
return client.size <= client.pipelining
}
})
})
test('close should call callback once finished', (t) => {
t.plan(6)
const server = createServer((req, res) => {
setImmediate(function () {
res.end(req.url)
})
})
t.tearDown(server.close.bind(server))
server.listen(0, () => {
const client = new Client(`http://localhost:${server.address().port}`)
t.tearDown(client.destroy.bind(client))
t.ok(makeRequest())
t.ok(!makeRequest())
client.close((err) => {
t.strictEqual(err, null)
t.strictEqual(client.closed, true)
})
function makeRequest () {
client.request({ path: '/', method: 'GET' }, (err, data) => {
t.error(err)
data.body.resume()
})
return client.size <= client.pipelining
}
})
})
test('closed and destroyed errors', (t) => {
t.plan(4)
const client = new Client('http://localhost:4000')
t.tearDown(client.destroy.bind(client))
client.request({ path: '/', method: 'GET' }, (err) => {
t.ok(err)
})
client.close((err) => {
t.error(err)
})
client.request({ path: '/', method: 'GET' }, (err) => {
t.ok(err instanceof errors.ClientClosedError)
client.destroy()
client.request({ path: '/', method: 'GET' }, (err) => {
t.ok(err instanceof errors.ClientDestroyedError)
})
})
})
test('close after and destroy should error', (t) => {
t.plan(2)
const client = new Client('http://localhost:4000')
t.tearDown(client.destroy.bind(client))
client.destroy()
client.close((err) => {
t.ok(err instanceof errors.ClientDestroyedError)
})
client.close().catch((err) => {
t.ok(err instanceof errors.ClientDestroyedError)
})
})