overleaf/services/spelling/test/stress/js/stressTest.js

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/* eslint-disable */
// TODO: This file was created by bulk-decaffeinate.
// Sanity-check the conversion and remove this comment.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS104: Avoid inline assignments
* DS202: Simplify dynamic range loops
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
// N requests in parallel
// send P correct words and Q incorrect words
// generate incorrect words by qq+random
const async = require('async')
const request = require('request')
const fs = require('fs')
// created with
// aspell -d en dump master | aspell -l en expand | shuf -n 150000 > words.txt
const WORDS = 'words.txt'
const wordlist = fs
.readFileSync(WORDS)
.toString()
.split('\n')
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.filter(w => w.match(/^[a-z]+$/))
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const generateCorrectWords = function (n) {
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const words = []
const N = Math.random() > 0.5 ? wordlist.length : 10
for (
let i = 1, end = n, asc = 1 <= end;
asc ? i <= end : i >= end;
asc ? i++ : i--
) {
const j = Math.floor(N * Math.random())
words.push(wordlist[j])
}
return words
}
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const generateIncorrectWords = function (n) {
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const words = []
const N = wordlist.length
for (
let i = 1, end = n, asc = 1 <= end;
asc ? i <= end : i >= end;
asc ? i++ : i--
) {
const j = Math.floor(N * Math.random())
words.push(`qzxq${wordlist[j]}`)
}
return words
}
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const make_request = function (correctWords, incorrectWords, callback) {
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let i, j, w
let i1
let j1
const correctSet = generateCorrectWords(correctWords)
const incorrectSet = generateIncorrectWords(incorrectWords)
correctSet.push('constructor')
incorrectSet.push('qzxqfoofoofoo')
const full = correctSet.concat(incorrectSet)
const bad = []
for (j = 0, i = j; j < correctSet.length; j++, i = j) {
w = correctSet[i]
bad[i] = false
}
for (i1 = 0, i = i1; i1 < incorrectSet.length; i1++, i = i1) {
w = incorrectSet[i]
bad[i + correctSet.length] = true
}
const k = full.length
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full.forEach(function (e, i) {
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let ref
j = Math.floor(k * Math.random())
;[full[i], full[j]] = Array.from([full[j], full[i]])
return ([bad[i], bad[j]] = Array.from((ref = [bad[j], bad[i]]))), ref
})
const expected = []
for (j1 = 0, i = j1; j1 < bad.length; j1++, i = j1) {
const tf = bad[i]
if (tf) {
expected.push({ index: i, word: full[i] })
}
}
return request.post(
'http://localhost:3005/user/1/check',
{ json: true, body: { words: full } },
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function (err, req, body) {
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let m
const { misspellings } = body
console.log(JSON.stringify({ full, misspellings }))
if (expected.length !== misspellings.length) {
let asc, end
console.log(
'ERROR: length mismatch',
expected.length,
misspellings.length
)
console.log(full, bad)
console.log('expected', expected, 'mispellings', misspellings)
for (
i = 0,
end = Math.max(expected.length, misspellings.length) - 1,
asc = 0 <= end;
asc ? i <= end : i >= end;
asc ? i++ : i--
) {
if (expected[i].index !== misspellings[i].index) {
console.log(
'ERROR',
i,
expected[i],
misspellings[i],
full[misspellings[i].index]
)
}
}
for (m of Array.from(misspellings)) {
console.log(full[m.index], '=>', m)
}
process.exit()
callback('error')
} else {
for (i = 0; i < body.misspellings.length; i++) {
m = body.misspellings[i]
if (m.index !== expected[i].index) {
console.log('ERROR AT RESULT', i, m, expected[i])
process.exit()
callback('error')
}
}
}
return callback(null, full)
}
)
}
const q = async.queue(
(task, callback) =>
setTimeout(
() => make_request(task.correct, task.incorrect, callback),
Math.random() * 100
),
3
)
q.drain = () => console.log('all items have been processed')
for (let i = 0; i <= 1000; i++) {
q.push({
correct: Math.floor(30 * Math.random()) + 1,
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incorrect: Math.floor(3 * Math.random()),
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})
}
// if Math.random() < 0.1
// else
// q.push({correct: Math.floor(100*Math.random()) + 1, incorrect: Math.floor(3*Math.random())})