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'use strict'
const { test } = require('tap')
const { WebSocketServer } = require('ws')
const { Blob } = require('buffer')
const { WebSocket } = require('../..')
// the following three tests exercise different code paths because of the three
// different ways a payload length may be specified in a WebSocket frame
// (https://datatracker.ietf.org/doc/html/rfc6455#section-5.2)
test('Sending >= 2^16 bytes', (t) => {
t.plan(3)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (m, isBinary) => {
ws.send(m, { binary: isBinary })
})
})
const payload = Buffer.allocUnsafe(2 ** 16).fill('Hello')
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send(payload)
})
ws.addEventListener('message', async ({ data }) => {
t.type(data, Blob)
t.equal(data.size, payload.length)
t.same(Buffer.from(await data.arrayBuffer()), payload)
ws.close()
server.close()
})
})
test('Sending >= 126, < 2^16 bytes', (t) => {
t.plan(3)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (m, isBinary) => {
ws.send(m, { binary: isBinary })
})
})
const payload = Buffer.allocUnsafe(126).fill('Hello')
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send(payload)
})
ws.addEventListener('message', async ({ data }) => {
t.type(data, Blob)
t.equal(data.size, payload.length)
t.same(Buffer.from(await data.arrayBuffer()), payload)
ws.close()
server.close()
})
})
test('Sending < 126 bytes', (t) => {
t.plan(3)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (m, isBinary) => {
ws.send(m, { binary: isBinary })
})
})
const payload = Buffer.allocUnsafe(125).fill('Hello')
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send(payload)
})
ws.addEventListener('message', async ({ data }) => {
t.type(data, Blob)
t.equal(data.size, payload.length)
t.same(Buffer.from(await data.arrayBuffer()), payload)
ws.close()
server.close()
})
})
test('Sending data after close', (t) => {
t.plan(2)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
t.pass()
ws.on('message', t.fail)
})
t.teardown(server.close.bind(server))
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.close()
ws.send('Some message')
t.pass()
})
ws.addEventListener('error', t.fail)
})
test('Sending data before connected', (t) => {
t.plan(2)
const server = new WebSocketServer({ port: 0 })
t.teardown(server.close.bind(server))
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
t.throws(
() => ws.send('Not sent'),
{
name: 'InvalidStateError',
constructor: DOMException
}
)
t.equal(ws.readyState, WebSocket.CONNECTING)
})
test('Sending data to a server', (t) => {
t.plan(3)
t.test('Send with string', (t) => {
t.plan(2)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (data, isBinary) => {
t.notOk(isBinary, 'Received text frame')
t.same(data, Buffer.from('message'))
ws.close(1000)
})
})
t.teardown(server.close.bind(server))
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send('message')
})
})
t.test('Send with ArrayBuffer', (t) => {
t.plan(2)
const message = new TextEncoder().encode('message')
const ab = new ArrayBuffer(7)
new Uint8Array(ab).set(message)
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (data, isBinary) => {
t.ok(isBinary)
t.same(new Uint8Array(data), message)
ws.close(1000)
})
})
t.teardown(server.close.bind(server))
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send(ab)
})
})
t.test('Send with Blob', (t) => {
t.plan(2)
const blob = new Blob(['hello'])
const server = new WebSocketServer({ port: 0 })
server.on('connection', (ws) => {
ws.on('message', (data, isBinary) => {
t.ok(isBinary)
t.same(data, Buffer.from('hello'))
ws.close(1000)
})
})
t.teardown(server.close.bind(server))
const ws = new WebSocket(`ws://localhost:${server.address().port}`)
ws.addEventListener('open', () => {
ws.send(blob)
})
})
})
|
