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'use strict'
const { test } = require('tap')
const Dicer = require('../deps/dicer/lib/Dicer')
const fs = require('fs')
const path = require('path')
const FIXTURES_ROOT = path.join(__dirname, 'fixtures/')
test('dicer-multipart-extra-trailer', t => {
t.plan(1)
t.test('Extra trailer data pushed after finished', t => {
t.plan(5)
const fixtureBase = FIXTURES_ROOT + 'many'
let n = 0
const buffer = Buffer.allocUnsafe(16)
const state = { parts: [] }
const fd = fs.openSync(fixtureBase + '/original', 'r')
const dicer = new Dicer({ boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' })
let error
let finishes = 0
let trailerEmitted = false
dicer.on('part', function (p) {
const part = {
body: undefined,
bodylen: 0,
error: undefined,
header: undefined
}
p.on('header', function (h) {
part.header = h
}).on('data', function (data) {
// make a copy because we are using readSync which re-uses a buffer ...
const copy = Buffer.allocUnsafe(data.length)
data.copy(copy)
data = copy
if (!part.body) { part.body = [data] } else { part.body.push(data) }
part.bodylen += data.length
}).on('error', function (err) {
part.error = err
t.fail()
}).on('end', function () {
if (part.body) { part.body = Buffer.concat(part.body, part.bodylen) }
state.parts.push(part)
})
}).on('error', function (err) {
error = err
}).on('trailer', function (data) {
trailerEmitted = true
t.equal(data.toString(), 'Extra', 'trailer should contain the extra data')
}).on('finish', function () {
t.ok(finishes++ === 0, makeMsg('Extra trailer data pushed after finished', 'finish emitted multiple times'))
t.ok(trailerEmitted, makeMsg('Extra trailer data pushed after finished', 'should have emitted trailer'))
t.ok(error === undefined, makeMsg('Extra trailer data pushed after finished', 'Unexpected error'))
t.pass()
})
while (true) {
n = fs.readSync(fd, buffer, 0, buffer.length, null)
if (n === 0) {
setTimeout(function () {
dicer.write('\r\n\r\n\r\n')
dicer.end()
}, 50)
break
}
dicer.write(n === buffer.length ? buffer : buffer.slice(0, n))
}
fs.closeSync(fd)
})
})
function makeMsg (what, msg) {
return what + ': ' + msg
}
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