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Merge pull request #21575 from overleaf/em-big-query-add-ons

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Fix RAW.REC_subscription_history table in BigQuery

GitOrigin-RevId: 47507e17e819341a2663e4aadd8fea04b0e7a02d
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Eric Mc Sween 2024-11-11 11:27:59 -05:00 committed by Copybot
parent 8a90ffa3fb
commit eec87af5ff
34 changed files with 0 additions and 122313 deletions
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services/spelling/.gitignore vendored
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**.swp
**.swo
node_modules/*
cache/spell.cache
**/*.map
# managed by dev-environment$ bin/update_build_scripts
.npmrc

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services/spelling/.mocharc.json
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{
"require": "test/setup.js"
}

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services/spelling/.nvmrc
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18.20.4

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services/spelling/Dockerfile
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# This file was auto-generated, do not edit it directly.
# Instead run bin/update_build_scripts from
# https://github.com/overleaf/internal/
FROM node:18.20.4 AS base
WORKDIR /overleaf/services/spelling
COPY services/spelling/install_deps.sh /overleaf/services/spelling/
RUN chmod 0755 ./install_deps.sh && ./install_deps.sh
# Google Cloud Storage needs a writable $HOME/.config for resumable uploads
# (see https://googleapis.dev/nodejs/storage/latest/File.html#createWriteStream)
RUN mkdir /home/node/.config && chown node:node /home/node/.config
FROM base AS app
COPY package.json package-lock.json /overleaf/
COPY services/spelling/package.json /overleaf/services/spelling/
COPY libraries/ /overleaf/libraries/
COPY patches/ /overleaf/patches/
RUN cd /overleaf && npm ci --quiet
COPY services/spelling/ /overleaf/services/spelling/
FROM app
RUN mkdir -p cache \
&& chown node:node cache
USER node
CMD ["node", "--expose-gc", "app.js"]

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services/spelling/LICENSE
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To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.

137
services/spelling/Makefile
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@ -1,137 +0,0 @@
# This file was auto-generated, do not edit it directly.
# Instead run bin/update_build_scripts from
# https://github.com/overleaf/internal/
BUILD_NUMBER ?= local
BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
PROJECT_NAME = spelling
BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
BRANCH_NAME=$(BRANCH_NAME) \
PROJECT_NAME=$(PROJECT_NAME) \
MOCHA_GREP=${MOCHA_GREP} \
docker compose ${DOCKER_COMPOSE_FLAGS}
COMPOSE_PROJECT_NAME_TEST_ACCEPTANCE ?= test_acceptance_$(BUILD_DIR_NAME)
DOCKER_COMPOSE_TEST_ACCEPTANCE = \
COMPOSE_PROJECT_NAME=$(COMPOSE_PROJECT_NAME_TEST_ACCEPTANCE) $(DOCKER_COMPOSE)
COMPOSE_PROJECT_NAME_TEST_UNIT ?= test_unit_$(BUILD_DIR_NAME)
DOCKER_COMPOSE_TEST_UNIT = \
COMPOSE_PROJECT_NAME=$(COMPOSE_PROJECT_NAME_TEST_UNIT) $(DOCKER_COMPOSE)
clean:
-docker rmi ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
-docker rmi us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
-$(DOCKER_COMPOSE_TEST_UNIT) down --rmi local
-$(DOCKER_COMPOSE_TEST_ACCEPTANCE) down --rmi local
HERE=$(shell pwd)
MONOREPO=$(shell cd ../../ && pwd)
# Run the linting commands in the scope of the monorepo.
# Eslint and prettier (plus some configs) are on the root.
RUN_LINTING = docker run --rm -v $(MONOREPO):$(MONOREPO) -w $(HERE) node:18.20.4 npm run --silent
RUN_LINTING_CI = docker run --rm --volume $(MONOREPO)/.editorconfig:/overleaf/.editorconfig --volume $(MONOREPO)/.eslintignore:/overleaf/.eslintignore --volume $(MONOREPO)/.eslintrc:/overleaf/.eslintrc --volume $(MONOREPO)/.prettierignore:/overleaf/.prettierignore --volume $(MONOREPO)/.prettierrc:/overleaf/.prettierrc --volume $(MONOREPO)/tsconfig.backend.json:/overleaf/tsconfig.backend.json ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) npm run --silent
# Same but from the top of the monorepo
RUN_LINTING_MONOREPO = docker run --rm -v $(MONOREPO):$(MONOREPO) -w $(MONOREPO) node:18.20.4 npm run --silent
format:
$(RUN_LINTING) format
format_ci:
$(RUN_LINTING_CI) format
format_fix:
$(RUN_LINTING) format:fix
lint:
$(RUN_LINTING) lint
lint_ci:
$(RUN_LINTING_CI) lint
lint_fix:
$(RUN_LINTING) lint:fix
typecheck:
$(RUN_LINTING) types:check
typecheck_ci:
$(RUN_LINTING_CI) types:check
test: format lint typecheck test_unit test_acceptance
test_unit:
ifneq (,$(wildcard test/unit))
$(DOCKER_COMPOSE_TEST_UNIT) run --rm test_unit
$(MAKE) test_unit_clean
endif
test_clean: test_unit_clean
test_unit_clean:
ifneq (,$(wildcard test/unit))
$(DOCKER_COMPOSE_TEST_UNIT) down -v -t 0
endif
test_acceptance: test_acceptance_clean test_acceptance_pre_run test_acceptance_run
$(MAKE) test_acceptance_clean
test_acceptance_debug: test_acceptance_clean test_acceptance_pre_run test_acceptance_run_debug
$(MAKE) test_acceptance_clean
test_acceptance_run:
ifneq (,$(wildcard test/acceptance))
$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance
endif
test_acceptance_run_debug:
ifneq (,$(wildcard test/acceptance))
$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run -p 127.0.0.9:19999:19999 --rm test_acceptance npm run test:acceptance -- --inspect=0.0.0.0:19999 --inspect-brk
endif
test_clean: test_acceptance_clean
test_acceptance_clean:
$(DOCKER_COMPOSE_TEST_ACCEPTANCE) down -v -t 0
test_acceptance_pre_run:
ifneq (,$(wildcard test/acceptance/js/scripts/pre-run))
$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance test/acceptance/js/scripts/pre-run
endif
benchmarks:
$(DOCKER_COMPOSE_TEST_ACCEPTANCE) run --rm test_acceptance npm run benchmarks
build:
docker build \
--pull \
--build-arg BUILDKIT_INLINE_CACHE=1 \
--tag ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) \
--tag us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) \
--tag us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME):$(BRANCH_NAME) \
--cache-from us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME):$(BRANCH_NAME) \
--cache-from us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME):main \
--file Dockerfile \
../..
tar:
$(DOCKER_COMPOSE) up tar
publish:
docker push $(DOCKER_REPO)/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
.PHONY: clean \
format format_fix \
lint lint_fix \
build_types typecheck \
lint_ci format_ci typecheck_ci \
test test_clean test_unit test_unit_clean \
test_acceptance test_acceptance_debug test_acceptance_pre_run \
test_acceptance_run test_acceptance_run_debug test_acceptance_clean \
benchmarks \
build tar publish \

11
services/spelling/README.md
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@ -1,11 +0,0 @@
overleaf/spelling
===================
The backend spellcheck API that performs spell checking for Overleaf
License
-------
The code in this repository is released under the GNU AFFERO GENERAL PUBLIC LICENSE, version 3. A copy can be found in the `LICENSE` file.
Copyright (c) Overleaf, 2014-2019.

27
services/spelling/app.js
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@ -1,27 +0,0 @@
// Metrics must be initialized before importing anything else
import '@overleaf/metrics/initialize.js'
import Settings from '@overleaf/settings'
import logger from '@overleaf/logger'
import { app } from './app/js/server.js'
import * as ASpell from './app/js/ASpell.js'
import Metrics from '@overleaf/metrics'
const { host = '127.0.0.1', port = 3005 } = Settings.internal?.spelling ?? {}
ASpell.startCacheDump()
const server = app.listen(port, host, function (error) {
if (error) {
throw error
}
logger.info({ host, port }, 'spelling HTTP server starting up')
})
process.on('SIGTERM', () => {
ASpell.stopCacheDump()
server.close(() => {
logger.info({ host, port }, 'spelling HTTP server closed')
Metrics.close()
})
})

197
services/spelling/app/js/ASpell.js
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@ -1,197 +0,0 @@
// 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
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import fs from 'node:fs'
import Path from 'node:path'
import { promisify } from 'node:util'
import LRU from 'lru-cache'
import logger from '@overleaf/logger'
import settings from '@overleaf/settings'
import OError from '@overleaf/o-error'
import { ASpellWorkerPool } from './ASpellWorkerPool.js'
let ASPELL_TIMEOUT = 10000
const OneMinute = 60 * 1000
const opts = { max: 10000, maxAge: OneMinute * 60 * 10 }
const cache = new LRU(opts)
const cacheFsPath = Path.resolve(settings.cacheDir, 'spell.cache')
const cacheFsPathTmp = cacheFsPath + '.tmp'
const WorkerPool = new ASpellWorkerPool()
// load any existing cache
try {
const oldCache = fs.readFileSync(cacheFsPath)
cache.load(JSON.parse(oldCache))
} catch (error) {
logger.debug(
OError.tag(error, 'could not load the cache file', { cacheFsPath })
)
}
let cacheDumpInterval
export function startCacheDump() {
// write the cache every 30 minutes
cacheDumpInterval = setInterval(function () {
const dump = JSON.stringify(cache.dump())
return fs.writeFile(cacheFsPathTmp, dump, function (err) {
if (err != null) {
logger.debug(OError.tag(err, 'error writing cache file'))
fs.unlink(cacheFsPathTmp, () => {})
} else {
fs.rename(cacheFsPathTmp, cacheFsPath, err => {
if (err) {
logger.error(OError.tag(err, 'error renaming cache file'))
} else {
logger.debug({ len: dump.length, cacheFsPath }, 'wrote cache file')
}
})
}
})
}, 30 * OneMinute)
}
export function stopCacheDump() {
clearInterval(cacheDumpInterval)
}
class ASpellRunner {
checkWords(language, words, callback) {
if (callback == null) {
callback = () => {}
}
return this.runAspellOnWords(language, words, (error, output) => {
if (error != null) {
return callback(OError.tag(error))
}
// output = @removeAspellHeader(output)
const suggestions = this.getSuggestions(language, output)
const results = []
let hits = 0
const addToCache = {}
for (let i = 0; i < words.length; i++) {
const word = words[i]
const key = language + ':' + word
const cached = cache.get(key)
if (cached != null) {
hits++
if (cached === true) {
// valid word, no need to do anything
continue
} else {
results.push({ index: i, suggestions: cached })
}
} else {
if (suggestions[key] != null) {
addToCache[key] = suggestions[key]
results.push({ index: i, suggestions: suggestions[key] })
} else {
// a valid word, but uncached
addToCache[key] = true
}
}
}
// update the cache after processing all words, to avoid cache
// changing while we use it
for (const k in addToCache) {
const v = addToCache[k]
cache.set(k, v)
}
logger.debug(
{
hits,
total: words.length,
hitrate: (hits / words.length).toFixed(2),
},
'cache hit rate'
)
return callback(null, results)
})
}
getSuggestions(language, output) {
const lines = output.split('\n')
const suggestions = {}
for (const line of Array.from(lines)) {
let parts, word
if (line[0] === '&') {
// Suggestions found
parts = line.split(' ')
if (parts.length > 1) {
word = parts[1]
const suggestionsString = line.slice(line.indexOf(':') + 2)
suggestions[language + ':' + word] = suggestionsString.split(', ')
}
} else if (line[0] === '#') {
// No suggestions
parts = line.split(' ')
if (parts.length > 1) {
word = parts[1]
suggestions[language + ':' + word] = []
}
}
}
return suggestions
}
// removeAspellHeader: (output) -> output.slice(1)
runAspellOnWords(language, words, callback) {
// send words to aspell, get back string output for those words
// find a free pipe for the language (or start one)
// send the words down the pipe
// send an END marker that will generate a "*" line in the output
// when the output pipe receives the "*" return the data sofar and reset the pipe to be available
//
// @open(language)
// @captureOutput(callback)
// @setTerseMode()
// start = new Date()
if (callback == null) {
callback = () => {}
}
const newWord = {}
for (const word of Array.from(words)) {
if (!newWord[word] && !cache.has(language + ':' + word)) {
newWord[word] = true
}
}
words = Object.keys(newWord)
if (words.length) {
return WorkerPool.check(language, words, ASPELL_TIMEOUT, callback)
} else {
return callback(null, '')
}
}
}
// The description of how to call aspell from another program can be found here:
// http://aspell.net/man-html/Through-A-Pipe.html
export function checkWords(language, words, callback) {
if (callback == null) {
callback = () => {}
}
const runner = new ASpellRunner()
return runner.checkWords(language, words, callback)
}
export const promises = {
checkWords: promisify(checkWords),
}
// for tests
export function setTimeout(timeout) {
ASPELL_TIMEOUT = timeout
}

240
services/spelling/app/js/ASpellWorker.js
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@ -1,240 +0,0 @@
// TODO: This file was created by bulk-decaffeinate.
// Sanity-check the conversion and remove this comment.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* DS205: Consider reworking code to avoid use of IIFEs
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import childProcess from 'node:child_process'
import logger from '@overleaf/logger'
import metrics from '@overleaf/metrics'
import _ from 'underscore'
import OError from '@overleaf/o-error'
const BATCH_SIZE = 100
export class ASpellWorker {
constructor(language) {
this.language = language
this.count = 0
this.closeReason = ''
this.pipe = childProcess.spawn('aspell', [
'pipe',
'-t',
'--encoding=utf-8',
'-d',
language,
])
logger.debug(
{ process: this.pipe.pid, lang: this.language },
'starting new aspell worker'
)
metrics.inc('aspellWorker', 1, { status: 'start', method: this.language })
this.pipe.on('exit', () => {
this.state = 'killed'
logger.debug(
{ process: this.pipe.pid, lang: this.language },
'aspell worker has exited'
)
metrics.inc('aspellWorker', 1, {
status: 'exit',
method: this.language,
})
})
this.pipe.on('close', () => {
const previousWorkerState = this.state
if (this.state !== 'killed') {
this.state = 'closed'
}
if (this.callback != null) {
const err = new OError(
'aspell worker closed output streams with uncalled callback',
{
process: this.pipe.pid,
lang: this.language,
stdout: output.slice(-1024),
stderr: error.slice(-1024),
workerState: this.state,
previousWorkerState,
closeReason: this.closeReason,
}
)
this.callback(err, [])
this.callback = null
}
})
this.pipe.on('error', err => {
const previousWorkerState = this.state
if (this.state !== 'killed') {
this.state = 'error'
}
OError.tag(err, 'aspell worker error', {
process: this.pipe.pid,
stdout: output.slice(-1024),
stderr: error.slice(-1024),
lang: this.language,
workerState: this.state,
previousWorkerState,
closeReason: this.closeReason,
})
if (this.callback != null) {
this.callback(err, [])
this.callback = null
} else {
logger.warn(err)
}
})
this.pipe.stdin.on('error', err => {
const previousWorkerState = this.state
if (this.state !== 'killed') {
this.state = 'error'
}
OError.tag(err, 'aspell worker error on stdin', {
process: this.pipe.pid,
stdout: output.slice(-1024),
stderr: error.slice(-1024),
lang: this.language,
workerState: this.state,
previousWorkerState,
closeReason: this.closeReason,
})
if (this.callback != null) {
this.callback(err, [])
this.callback = null
} else {
logger.warn(err)
}
})
this.pipe.stdout.setEncoding('utf8') // ensure utf8 output is handled correctly
let output = ''
const endMarkerRegex = /^[a-z]{2}/gm
this.pipe.stdout.on('data', data => {
// We receive the language code from Aspell as the end of data marker in
// the data. The input is a utf8 encoded string.
const oldPos = output.length
output = output + data
// The end marker may cross the end of a chunk, so we optimise the search
// using the regex lastIndex property.
endMarkerRegex.lastIndex = oldPos > 2 ? oldPos - 2 : 0
if (endMarkerRegex.test(output)) {
if (this.callback != null) {
this.callback(null, output.slice())
this.callback = null // only allow one callback in use
} else {
logger.err(
new OError(
'end of data marker received when callback already used',
{
process: this.pipe.pid,
lang: this.language,
workerState: this.state,
}
)
)
}
this.state = 'ready'
output = ''
}
})
let error = ''
this.pipe.stderr.on('data', chunk => {
return (error = error + chunk)
})
this.pipe.stdout.on('end', () => {
// process has ended
return (this.state = 'end')
})
}
isReady() {
return this.state === 'ready'
}
check(words, callback) {
// we will now send data to aspell, and be ready again when we
// receive the end of data marker
this.state = 'busy'
if (this.callback != null) {
// only allow one callback in use
return this.callback(
new OError('Aspell callback already in use - SHOULD NOT HAPPEN', {
process: this.pipe.pid,
lang: this.language,
workerState: this.state,
})
)
}
this.callback = _.once(callback) // extra defence against double callback
this.setTerseMode()
this.write(words)
return this.flush()
}
write(words) {
let i = 0
return (() => {
const result = []
while (i < words.length) {
// batch up the words to check for efficiency
const batch = words.slice(i, i + BATCH_SIZE)
this.sendWords(batch)
result.push((i += BATCH_SIZE))
}
return result
})()
}
flush() {
// get aspell to send an end of data marker "*" when ready
// @sendCommand("%") # take the aspell pipe out of terse mode so we can look for a '*'
// @sendCommand("^ENDOFSTREAMMARKER") # send our marker which will generate a '*'
// @sendCommand("!") # go back into terse mode
return this.sendCommand('$$l')
}
shutdown(reason) {
logger.debug({ process: this.pipe.pid, reason }, 'shutting down')
this.state = 'closing'
this.closeReason = reason
return this.pipe.stdin.end()
}
kill(reason) {
logger.debug({ process: this.pipe.pid, reason }, 'killing')
this.closeReason = reason
if (this.state === 'killed') {
return
}
return this.pipe.kill('SIGKILL')
}
setTerseMode() {
return this.sendCommand('!')
}
sendWord(word) {
return this.sendCommand(`^${word}`)
}
sendWords(words) {
// Aspell accepts multiple words to check on the same line
// ^word1 word2 word3 ...
// See aspell.info, writing programs to use Aspell Through A Pipe
this.sendCommand(`^${words.join(' ')}`)
return this.count++
}
sendCommand(command) {
// Sanitize user input. Reject line feed characters.
command = command.replace(/[\r\n]/g, '')
return this.pipe.stdin.write(command + '\n')
}
}

115
services/spelling/app/js/ASpellWorkerPool.js
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@ -1,115 +0,0 @@
// TODO: This file was created by bulk-decaffeinate.
// Sanity-check the conversion and remove this comment.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* DS206: Consider reworking classes to avoid initClass
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import _ from 'underscore'
import Settings from '@overleaf/settings'
import logger from '@overleaf/logger'
import metrics from '@overleaf/metrics'
import OError from '@overleaf/o-error'
import { ASpellWorker } from './ASpellWorker.js'
export class ASpellWorkerPool {
static initClass() {
this.prototype.MAX_REQUESTS = Settings.maxRequestsPerWorker
this.prototype.MAX_WORKERS = 32
this.prototype.MAX_IDLE_TIME = 1000
this.prototype.MAX_REQUEST_TIME = 60 * 1000
}
constructor(options) {
this.options = options
this.PROCESS_POOL = []
}
create(language) {
if (this.PROCESS_POOL.length >= this.MAX_WORKERS) {
logger.debug(
{ maxworkers: this.MAX_WORKERS },
'maximum number of workers already running'
)
return null
}
const worker = new ASpellWorker(language, this.options)
worker.pipe.on('exit', () => {
if (worker.killTimer != null) {
clearTimeout(worker.killTimer)
worker.killTimer = null
}
if (worker.idleTimer != null) {
clearTimeout(worker.idleTimer)
worker.idleTimer = null
}
logger.debug(
{ process: worker.pipe.pid, lang: language },
'removing aspell worker from pool'
)
return this.cleanup()
})
this.PROCESS_POOL.push(worker)
metrics.gauge('aspellWorkerPool-size', this.PROCESS_POOL.length)
return worker
}
cleanup() {
const active = this.PROCESS_POOL.filter(worker => worker.state !== 'killed')
this.PROCESS_POOL = active
return metrics.gauge('aspellWorkerPool-size', this.PROCESS_POOL.length)
}
check(language, words, timeout, callback) {
// look for an existing process in the pool
let worker
const availableWorker = _.find(
this.PROCESS_POOL,
cached => cached.language === language && cached.isReady()
)
if (availableWorker == null) {
worker = this.create(language)
} else {
worker = availableWorker
}
if (worker == null) {
// return error if too many workers
callback(new OError('no worker available'))
return
}
if (worker.idleTimer != null) {
clearTimeout(worker.idleTimer)
worker.idleTimer = null
}
worker.killTimer = setTimeout(
() => worker.kill('spell check timed out'),
timeout || this.MAX_REQUEST_TIME
)
return worker.check(words, (err, output) => {
if (worker.killTimer != null) {
clearTimeout(worker.killTimer)
worker.killTimer = null
}
callback(err, output)
if (err != null) {
return
} // process has shut down
if (worker.count > this.MAX_REQUESTS) {
return worker.shutdown(`reached limit of ${this.MAX_REQUESTS} requests`)
} else {
// queue a shutdown if worker is idle
return (worker.idleTimer = setTimeout(function () {
worker.shutdown('idle worker')
return (worker.idleTimer = null)
}, this.MAX_IDLE_TIME))
}
})
}
}
ASpellWorkerPool.initClass()

37
services/spelling/app/js/HealthCheckController.js
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@ -1,37 +0,0 @@
import request from 'request'
import logger from '@overleaf/logger'
import settings from '@overleaf/settings'
import OError from '@overleaf/o-error'
export function healthCheck(req, res) {
const opts = {
url: `http://127.0.0.1:3005/user/${settings.healthCheckUserId}/check`,
json: {
words: ['helllo'],
language: 'en',
},
timeout: 1000 * 20,
}
return request.post(opts, function (err, response, body) {
if (err != null) {
return res.sendStatus(500)
}
const misspellings =
body && body.misspellings ? body.misspellings[0] : undefined
const numberOfSuggestions =
misspellings && misspellings.suggestions
? misspellings.suggestions.length
: 0
if (numberOfSuggestions > 10) {
logger.debug('health check passed')
res.sendStatus(200)
} else {
logger.err(
new OError('health check failed', { body, numberOfSuggestions })
)
res.sendStatus(500)
}
})
}

28
services/spelling/app/js/SpellingAPIController.js
View file

@ -1,28 +0,0 @@
import logger from '@overleaf/logger'
import metrics from '@overleaf/metrics'
import OError from '@overleaf/o-error'
import * as SpellingAPIManager from './SpellingAPIManager.js'
function extractCheckRequestData(req) {
const token = req.params?.user_id
const wordCount = req.body?.words?.length
return { token, wordCount }
}
export function check(req, res) {
metrics.inc('spelling-check', 0.1)
const { token, wordCount } = extractCheckRequestData(req)
logger.debug({ token, wordCount }, 'running check')
SpellingAPIManager.runRequest(token, req.body, (error, result) => {
if (error != null) {
logger.error(
OError.tag(error, 'error processing spelling request', {
user_id: token,
wordCount,
})
)
return res.sendStatus(500)
}
res.send(result)
})
}

31
services/spelling/app/js/SpellingAPIManager.js
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@ -1,31 +0,0 @@
// TODO: This file was created by bulk-decaffeinate.
// Sanity-check the conversion and remove this comment.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import { callbackify } from 'node:util'
import OError from '@overleaf/o-error'
import * as ASpell from './ASpell.js'
// The max number of words checked in a single request
const REQUEST_LIMIT = 10000
export const promises = {}
promises.runRequest = async (token, request) => {
if (!request.words) {
throw new OError('malformed JSON')
}
const lang = request.language || 'en'
// only the first 10K words are checked
const wordSlice = request.words.slice(0, REQUEST_LIMIT)
const misspellings = await ASpell.promises.checkWords(lang, wordSlice)
return { misspellings }
}
export const runRequest = callbackify(promises.runRequest)

27
services/spelling/app/js/server.js
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@ -1,27 +0,0 @@
import metrics from '@overleaf/metrics'
import Settings from '@overleaf/settings'
import logger from '@overleaf/logger'
import express from 'express'
import bodyParser from 'body-parser'
import * as SpellingAPIController from './SpellingAPIController.js'
import * as HealthCheckController from './HealthCheckController.js'
logger.initialize('spelling')
if (Settings.sentry?.dsn != null) {
logger.initializeErrorReporting(Settings.sentry.dsn)
}
metrics.memory.monitor(logger)
metrics.leaked_sockets.monitor(logger)
metrics.open_sockets.monitor()
export const app = express()
metrics.injectMetricsRoute(app)
app.use(bodyParser.json({ limit: '2mb' }))
app.use(metrics.http.monitor(logger))
app.post('/user/:user_id/check', SpellingAPIController.check)
app.get('/status', (req, res) => res.send({ status: 'spelling api is up' }))
app.get('/health_check', HealthCheckController.healthCheck)

10
services/spelling/buildscript.txt
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@ -1,10 +0,0 @@
spelling
--data-dirs=cache
--dependencies=
--docker-repos=us-east1-docker.pkg.dev/overleaf-ops/ol-docker
--env-add=
--env-pass-through=
--esmock-loader=True
--node-version=18.20.4
--public-repo=False
--script-version=4.5.0

1
services/spelling/cache/.gitignore vendored
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@ -1 +0,0 @@
.

34
services/spelling/config/settings.defaults.cjs
View file

@ -1,34 +0,0 @@
const Path = require('path')
module.exports = {
internal: {
spelling: {
port: 3005,
host: process.env.LISTEN_ADDRESS || '127.0.0.1',
},
},
maxRequestsPerWorker:
parseInt(process.env.MAX_REQUESTS_PER_WORKER, 10) || 100 * 1024,
cacheDir: Path.resolve('cache'),
healthCheckUserId: '53c64d2fd68c8d000010bb5f',
ignoredMisspellings: process.env.IGNORED_MISSPELLINGS
? process.env.IGNORED_MISSPELLINGS.split(',')
: [
'Overleaf',
'overleaf',
'ShareLaTeX',
'sharelatex',
'LaTeX',
'http',
'https',
'www',
],
sentry: {
dsn: process.env.SENTRY_DSN,
},
}

37
services/spelling/docker-compose.ci.yml
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@ -1,37 +0,0 @@
# This file was auto-generated, do not edit it directly.
# Instead run bin/update_build_scripts from
# https://github.com/overleaf/internal/
version: "2.3"
services:
test_unit:
image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
user: node
command: npm run test:unit:_run
environment:
NODE_ENV: test
NODE_OPTIONS: "--unhandled-rejections=strict"
test_acceptance:
build: .
image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
environment:
ELASTIC_SEARCH_DSN: es:9200
MONGO_HOST: mongo
POSTGRES_HOST: postgres
MOCHA_GREP: ${MOCHA_GREP}
NODE_ENV: test
NODE_OPTIONS: "--unhandled-rejections=strict"
user: node
command: npm run test:acceptance
tar:
build: .
image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
volumes:
- ./:/tmp/build/
command: tar -czf /tmp/build/build.tar.gz --exclude=build.tar.gz --exclude-vcs .
user: root

45
services/spelling/docker-compose.yml
View file

@ -1,45 +0,0 @@
# This file was auto-generated, do not edit it directly.
# Instead run bin/update_build_scripts from
# https://github.com/overleaf/internal/
version: "2.3"
services:
test_unit:
build:
context: ../..
dockerfile: services/spelling/Dockerfile
target: base
volumes:
- .:/overleaf/services/spelling
- ../../node_modules:/overleaf/node_modules
- ../../libraries:/overleaf/libraries
working_dir: /overleaf/services/spelling
environment:
MOCHA_GREP: ${MOCHA_GREP}
NODE_ENV: test
NODE_OPTIONS: "--unhandled-rejections=strict"
command: npm run --silent test:unit
user: node
test_acceptance:
build:
context: ../..
dockerfile: services/spelling/Dockerfile
target: base
volumes:
- .:/overleaf/services/spelling
- ../../node_modules:/overleaf/node_modules
- ../../libraries:/overleaf/libraries
working_dir: /overleaf/services/spelling
environment:
ELASTIC_SEARCH_DSN: es:9200
MONGO_HOST: mongo
POSTGRES_HOST: postgres
MOCHA_GREP: ${MOCHA_GREP}
LOG_LEVEL: ERROR
NODE_ENV: test
NODE_OPTIONS: "--unhandled-rejections=strict"
user: node
command: npm run --silent test:acceptance

72
services/spelling/install_deps.sh
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@ -1,72 +0,0 @@
#!/bin/bash
set -ex
# Prefer Debian packages over Ubuntu packages
echo 'APT::Default-Release "bookworm";' >/etc/apt/apt.conf.d/default-release
# The following aspell packages exist in Ubuntu but not Debian:
# aspell-af, aspell-id, aspell-nr, aspell-ns, aspell-st, aspell-tn, aspell-ts, aspell-xh
echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu/ focal main universe" > /etc/apt/sources.list.d/focal-amd.list
echo "deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ focal main universe" > /etc/apt/sources.list.d/focal-ports-arm.list
apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
# aspell is leaking memory in bookworm, we'll obtain it from trixie
echo "deb http://deb.debian.org/debian trixie main" > /etc/apt/sources.list.d/trixie.list
apt-get update
# aspell is leaking memory in bookworm, we'll obtain it from trixie
apt satisfy -y -t trixie 'aspell (>=0.60.8.1)'
apt-get install -y \
aspell-af \
aspell-ar \
aspell-ar-large \
aspell-bg \
aspell-br \
aspell-ca \
aspell-cs \
aspell-cy \
aspell-da \
aspell-de \
aspell-de-1901 \
aspell-el \
aspell-en \
aspell-eo \
aspell-es \
aspell-et \
aspell-eu-es \
aspell-fa \
aspell-fo \
aspell-fr \
aspell-ga \
aspell-gl-minimos \
aspell-hr \
aspell-hsb \
aspell-id \
aspell-it \
aspell-kk \
aspell-ku \
aspell-lt \
aspell-lv \
aspell-nl \
aspell-no \
aspell-nr \
aspell-ns \
aspell-pa \
aspell-pl \
aspell-pt-br \
aspell-pt-pt \
aspell-ro \
aspell-ru \
aspell-sk \
aspell-sl \
aspell-st \
aspell-sv \
aspell-tl \
aspell-tn \
aspell-ts \
aspell-xh \
rm -rf /var/lib/apt/lists/*

47
services/spelling/package.json
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@ -1,47 +0,0 @@
{
"name": "@overleaf/spelling",
"description": "A JSON API wrapper around aspell",
"private": true,
"main": "app.js",
"type": "module",
"scripts": {
"compile:app": "([ -e app/coffee ] && coffee -m $COFFEE_OPTIONS -o app/js -c app/coffee || echo 'No CoffeeScript folder to compile') && ( [ -e app.coffee ] && coffee -m $COFFEE_OPTIONS -c app.coffee || echo 'No CoffeeScript app to compile')",
"start": "node app.js",
"test:acceptance:_run": "LOG_LEVEL=fatal mocha --loader=esmock --recursive --reporter spec --timeout 15000 --exit $@ test/acceptance/js",
"test:acceptance": "npm run test:acceptance:_run -- --grep=$MOCHA_GREP",
"test:unit:_run": "LOG_LEVEL=fatal mocha --loader=esmock --recursive --reporter spec $@ test/unit/js",
"test:unit": "npm run test:unit:_run -- --grep=$MOCHA_GREP",
"compile:unit_tests": "[ ! -e test/unit/coffee ] && echo 'No unit tests to compile' || coffee -o test/unit/js -c test/unit/coffee",
"compile:acceptance_tests": "[ ! -e test/acceptance/coffee ] && echo 'No acceptance tests to compile' || coffee -o test/acceptance/js -c test/acceptance/coffee",
"compile:all": "npm run compile:app && npm run compile:unit_tests && npm run compile:acceptance_tests && npm run compile:smoke_tests",
"nodemon": "node --watch app.js",
"compile:smoke_tests": "[ ! -e test/smoke/coffee ] && echo 'No smoke tests to compile' || coffee -o test/smoke/js -c test/smoke/coffee",
"lint": "eslint --max-warnings 0 --format unix .",
"format": "prettier --list-different $PWD/'**/*.*js'",
"format:fix": "prettier --write $PWD/'**/*.*js'",
"lint:fix": "eslint --fix .",
"types:check": "tsc --noEmit"
},
"version": "0.1.4",
"dependencies": {
"@overleaf/logger": "*",
"@overleaf/metrics": "*",
"@overleaf/o-error": "*",
"@overleaf/settings": "*",
"async": "^3.2.5",
"body-parser": "^1.20.3",
"bunyan": "^1.8.15",
"express": "^4.21.0",
"lru-cache": "^5.1.1",
"request": "^2.88.2",
"underscore": "1.13.1"
},
"devDependencies": {
"chai": "^4.3.6",
"chai-as-promised": "^7.1.1",
"esmock": "^2.6.3",
"mocha": "^10.2.0",
"sinon": "^9.2.4",
"typescript": "^5.0.4"
}
}

149
services/spelling/test/acceptance/js/CheckTest.js
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@ -1,149 +0,0 @@
import { expect } from 'chai'
import * as request from './helpers/request.js'
const USER_ID = 101
const checkWord = (words, language) =>
request.post({
url: `/user/${USER_ID}/check`,
body: JSON.stringify({
words,
language,
}),
})
describe('checking words', function () {
let response
describe('on successful response', function () {
beforeEach(async function () {
response = await checkWord(['anather'])
})
it('should return status 200', async function () {
expect(response.statusCode).to.equal(200)
})
it('should return the list of misspellings', async function () {
const body = JSON.parse(response.body)
expect(body).to.deep.equal({
misspellings: [
{
index: 0,
suggestions: [
'anther',
'another',
'anthers',
'panther',
'anathema',
'anthem',
'nether',
"anther's",
'ante',
'neither',
'norther',
'ether',
'other',
],
},
],
})
})
})
describe('when multiple words are submitted', function () {
beforeEach(async function () {
response = await checkWord(['anather', 'anather', 'theorie'])
})
it('should return the misspellings for all the words', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings.length).to.equal(3)
})
it('should have misspelling suggestions with consecutive indexes', async function () {
const body = JSON.parse(response.body)
const indexes = body.misspellings.map(mspl => mspl.index)
expect(indexes).to.deep.equal([0, 1, 2])
})
it('should return identical suggestions for the same entry', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings[0].suggestions).to.deep.equal(
body.misspellings[1].suggestions
)
})
})
describe('when a very long list of words if submitted', function () {
beforeEach(async function () {
const words = []
for (let i = 0; i <= 20000; i++) {
words.push('anather')
}
response = await checkWord(words)
})
it('should return misspellings for the first 10K results only', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings.length).to.equal(10000)
})
it('should have misspelling suggestions with consecutive indexes', async function () {
const body = JSON.parse(response.body)
const indexList = body.misspellings.map(mspl => mspl.index)
expect(indexList.length).to.equal(10000) // avoid testing over an incorrect array
for (let i = 0; i < indexList.length - 1; i++) {
expect(indexList[i] + 1).to.equal(indexList[i + 1])
}
})
})
describe('when a very long list of words with utf8 responses', function () {
beforeEach(async function () {
const words = []
for (let i = 0; i <= 20000; i++) {
words.push('anéther')
}
response = await checkWord(words, 'bg') // use Bulgarian to generate utf8 response
})
it('should return misspellings for the first 10K results only', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings.length).to.equal(10000)
})
it('should have misspelling suggestions with consecutive indexes', async function () {
const body = JSON.parse(response.body)
const indexList = body.misspellings.map(mspl => mspl.index)
expect(indexList.length).to.equal(10000) // avoid testing over an incorrect array
for (let i = 0; i < indexList.length - 1; i++) {
expect(indexList[i] + 1).to.equal(indexList[i + 1])
}
})
})
describe('when multiple words with utf8 are submitted', function () {
beforeEach(async function () {
response = await checkWord(['mneá', 'meniésn', 'meônoi', 'mneá'], 'pt_BR')
})
it('should return the misspellings for all the words', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings.length).to.equal(4)
})
it('should have misspelling suggestions with consecutive indexes', async function () {
const body = JSON.parse(response.body)
const indexes = body.misspellings.map(mspl => mspl.index)
expect(indexes).to.deep.equal([0, 1, 2, 3])
})
it('should return identical suggestions for the same entry', async function () {
const body = JSON.parse(response.body)
expect(body.misspellings[0].suggestions).to.deep.equal(
body.misspellings[3].suggestions
)
})
})
})

9
services/spelling/test/acceptance/js/HealthCheckTest.js
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@ -1,9 +0,0 @@
import { expect } from 'chai'
import * as request from './helpers/request.js'
describe('/health_check', function () {
it('should return 200', async function () {
const response = await request.get('/health_check')
expect(response.statusCode).to.equal(200)
})
})

6
services/spelling/test/acceptance/js/Init.js
View file

@ -1,6 +0,0 @@
import { app } from '../../../app/js/server.js'
import { PORT } from './helpers/request.js'
before(function (done) {
return app.listen(PORT, '127.0.0.1', done)
})

9
services/spelling/test/acceptance/js/StatusTest.js
View file

@ -1,9 +0,0 @@
import { expect } from 'chai'
import * as request from './helpers/request.js'
describe('/status', function () {
it('should return 200', async function () {
const response = await request.get('/health_check')
expect(response.statusCode).to.equal(200)
})
})

18
services/spelling/test/acceptance/js/helpers/request.js
View file

@ -1,18 +0,0 @@
import { promisify } from 'node:util'
import Request from 'request'
export const PORT = 3005
const BASE_URL = `http://${process.env.HTTP_TEST_HOST || '127.0.0.1'}:${PORT}`
const request = Request.defaults({
baseUrl: BASE_URL,
headers: {
'Content-Type': 'application/json',
},
followRedirect: false,
})
export const get = promisify(request.get)
export const post = promisify(request.post)
export const del = promisify(request.del)

4
services/spelling/test/setup.js
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@ -1,4 +0,0 @@
import chai from 'chai'
// Chai configuration
chai.should()

162
services/spelling/test/stress/js/stressTest.js
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@ -1,162 +0,0 @@
/* 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
import fs from 'node:fs'
import async from 'async'
import request from 'request'
// 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')
.filter(w => w.match(/^[a-z]+$/))
const generateCorrectWords = function (n) {
const words = []
const N = Math.random() > 0.5 ? wordlist.length : 10
for (
let i = 1, end = n, asc = 1 <= end;
asc ? i <= end : i >= end;
asc ? i++ : i--
) {
const j = Math.floor(N * Math.random())
words.push(wordlist[j])
}
return words
}
const generateIncorrectWords = function (n) {
const words = []
const N = wordlist.length
for (
let i = 1, end = n, asc = 1 <= end;
asc ? i <= end : i >= end;
asc ? i++ : i--
) {
const j = Math.floor(N * Math.random())
words.push(`qzxq${wordlist[j]}`)
}
return words
}
const makeRequest = function (correctWords, incorrectWords, callback) {
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
full.forEach(function (e, i) {
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://127.0.0.1:3005/user/1/check',
{ json: true, body: { words: full } },
function (err, req, body) {
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(
() => makeRequest(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,
incorrect: Math.floor(3 * Math.random()),
})
}
// if Math.random() < 0.1
// else
// q.push({correct: Math.floor(100*Math.random()) + 1, incorrect: Math.floor(3*Math.random())})

119789
services/spelling/test/stress/js/words.txt
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File diff suppressed because it is too large Load diff

139
services/spelling/test/unit/js/ASpellTests.js
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@ -1,139 +0,0 @@
/* eslint-disable
no-undef
*/
// TODO: This file was created by bulk-decaffeinate.
// Sanity-check the conversion and remove this comment.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
import { expect, assert } from 'chai'
import esmock from 'esmock'
describe('ASpell', function () {
beforeEach(async function () {
this.ASpell = await esmock('../../../app/js/ASpell', {
'@overleaf/metrics': {
gauge() {},
inc() {},
},
})
})
describe('a correctly spelled word', function () {
beforeEach(function (done) {
return this.ASpell.checkWords('en', ['word'], (error, result) => {
if (error) return done(error)
this.result = result
return done()
})
})
return it('should not correct the word', function () {
return this.result.length.should.equal(0)
})
})
describe('a misspelled word', function () {
beforeEach(function (done) {
return this.ASpell.checkWords('en', ['bussines'], (error, result) => {
if (error) return done(error)
this.result = result
return done()
})
})
return it('should correct the word', function () {
this.result.length.should.equal(1)
return this.result[0].suggestions.indexOf('business').should.not.equal(-1)
})
})
describe('multiple words', function () {
beforeEach(function (done) {
return this.ASpell.checkWords(
'en',
['bussines', 'word', 'neccesary'],
(error, result) => {
if (error) return done(error)
this.result = result
return done()
}
)
})
return it('should correct the incorrect words', function () {
this.result[0].index.should.equal(0)
this.result[0].suggestions.indexOf('business').should.not.equal(-1)
this.result[1].index.should.equal(2)
return this.result[1].suggestions
.indexOf('necessary')
.should.not.equal(-1)
})
})
describe('without a valid language', function () {
beforeEach(function (done) {
return this.ASpell.checkWords('notALang', ['banana'], (error, result) => {
this.error = error
this.result = result
return done()
})
})
return it('should return an error', function () {
return expect(this.error).to.exist
})
})
describe('when there are no suggestions', function () {
beforeEach(function (done) {
return this.ASpell.checkWords(
'en',
['asdkfjalkdjfadhfkajsdhfashdfjhadflkjadhflajsd'],
(error, result) => {
this.error = error
this.result = result
return done()
}
)
})
return it('should return a blank array', function () {
this.result.length.should.equal(1)
return assert.deepEqual(this.result[0].suggestions, [])
})
})
return describe('when the request times out', function () {
beforeEach(function (done) {
const words = __range__(0, 1000, true).map(i => 'abcdefg' + i)
this.ASpell.setTimeout(1)
this.start = Date.now()
return this.ASpell.checkWords('en', words, (error, result) => {
expect(error).to.exist
this.result = result
return done()
})
})
// Note that this test fails on OS X, due to differing pipe behaviour
// on killing the child process. It can be tested successfully on Travis
// or the CI server.
return it('should return in reasonable time', function () {
const delta = Date.now() - this.start
return delta.should.be.below(1000)
})
})
})
function __range__(left, right, inclusive) {
const range = []
const ascending = left < right
const end = !inclusive ? right : ascending ? right + 1 : right - 1
for (let i = left; ascending ? i < end : i > end; ascending ? i++ : i--) {
range.push(i)
}
return range
}

101
services/spelling/test/unit/js/ASpellWorkerTests.js
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@ -1,101 +0,0 @@
import sinon from 'sinon'
import { expect } from 'chai'
import esmock from 'esmock'
import EventEmitter from 'node:events'
describe('ASpellWorker', function () {
beforeEach(async function () {
this.pipe = {
stdout: new EventEmitter(),
stderr: { on: sinon.stub() },
stdin: { on: sinon.stub() },
on: sinon.stub(),
pid: 12345,
}
this.pipe.stdout.setEncoding = sinon.stub()
this.child_process = {
spawn: sinon.stub().returns(this.pipe),
}
const { ASpellWorker } = await esmock('../../../app/js/ASpellWorker', {
'@overleaf/metrics': {
gauge() {},
inc() {},
},
child_process: this.child_process,
})
this.ASpellWorker = ASpellWorker
})
describe('creating a worker', function () {
beforeEach(function () {
this.worker = new this.ASpellWorker('en')
})
describe('with normal aspell output', function () {
beforeEach(function () {
this.callback = this.worker.callback = sinon.stub()
this.pipe.stdout.emit('data', '& hello\n')
this.pipe.stdout.emit('data', '& world\n')
this.pipe.stdout.emit('data', 'en\n')
this.pipe.stdout.emit('data', '& goodbye')
})
it('should call the callback', function () {
expect(this.callback.called).to.equal(true)
expect(
this.callback.calledWith(null, '& hello\n& world\nen\n')
).to.equal(true)
})
})
describe('with the aspell end marker split across chunks', function () {
beforeEach(function () {
this.callback = this.worker.callback = sinon.stub()
this.pipe.stdout.emit('data', '& hello\n')
this.pipe.stdout.emit('data', '& world\ne')
this.pipe.stdout.emit('data', 'n\n')
this.pipe.stdout.emit('data', '& goodbye')
})
it('should call the callback', function () {
expect(this.callback.called).to.equal(true)
expect(
this.callback.calledWith(null, '& hello\n& world\nen\n')
).to.equal(true)
})
})
describe('with the aspell end marker newline split across chunks', function () {
beforeEach(function () {
this.callback = this.worker.callback = sinon.stub()
this.pipe.stdout.emit('data', '& hello\n')
this.pipe.stdout.emit('data', '& world\n')
this.pipe.stdout.emit('data', 'en')
this.pipe.stdout.emit('data', '\n& goodbye')
})
it('should call the callback', function () {
expect(this.callback.called).to.equal(true)
expect(this.callback.calledWith(null, '& hello\n& world\nen')).to.equal(
true
)
})
})
describe('with everything split across chunks', function () {
beforeEach(function () {
this.callback = this.worker.callback = sinon.stub()
'& hello\n& world\nen\n& goodbye'.split('').forEach(x => {
this.pipe.stdout.emit('data', x)
})
})
it('should call the callback', function () {
expect(this.callback.called).to.equal(true)
expect(this.callback.calledWith(null, '& hello\n& world\nen')).to.equal(
true
)
})
})
})
})

114
services/spelling/test/unit/js/SpellingAPIManagerTests.js
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@ -1,114 +0,0 @@
/* eslint-disable
handle-callback-err
*/
import sinon from 'sinon'
import { expect } from 'chai'
import esmock from 'esmock'
const MODULE_PATH = '../../../app/js/SpellingAPIManager'
const promiseStub = val => new Promise(resolve => resolve(val))
describe('SpellingAPIManager', function () {
beforeEach(async function () {
this.token = 'user-id-123'
this.nonLearnedWords = ['some', 'words', 'htat', 'are', 'speled', 'rong']
this.allWords = this.nonLearnedWords
this.misspellings = [
{ index: 2, suggestions: ['that'] },
{ index: 4, suggestions: ['spelled'] },
{ index: 5, suggestions: ['wrong', 'ring'] },
]
this.misspellingsWithoutLearnedWords = this.misspellings.slice(0, 3)
this.ASpell = {
checkWords: sinon.stub().yields(null, this.misspellings),
promises: {
checkWords: sinon.stub().returns(promiseStub(this.misspellings)),
},
}
this.SpellingAPIManager = await esmock(MODULE_PATH, {
'../../../app/js/ASpell.js': this.ASpell,
'@overleaf/settings': { ignoredMisspellings: ['Overleaf'] },
})
})
describe('runRequest', function () {
describe('with sensible JSON', function () {
beforeEach(function (done) {
this.SpellingAPIManager.runRequest(
this.token,
{ words: this.allWords },
(error, result) => {
if (error) return done(error)
this.result = result
done()
}
)
})
it('should return the words that are spelled incorrectly and not learned', function () {
expect(this.result.misspellings).to.deep.equal(
this.misspellingsWithoutLearnedWords
)
})
})
describe('with a missing words array', function () {
beforeEach(function (done) {
this.SpellingAPIManager.runRequest(this.token, {}, (error, result) => {
this.error = error
this.result = result
done()
})
})
it('should return an error', function () {
expect(this.error).to.exist
expect(this.error).to.be.instanceof(Error)
expect(this.error.message).to.equal('malformed JSON')
})
})
describe('without a language', function () {
beforeEach(function (done) {
this.SpellingAPIManager.runRequest(
this.token,
{ words: this.allWords },
(error, result) => {
if (error) return done(error)
this.result = result
done()
}
)
})
it('should use en as the default', function () {
this.ASpell.promises.checkWords.calledWith('en').should.equal(true)
})
})
describe('with a language', function () {
beforeEach(function (done) {
this.language = 'fr'
this.SpellingAPIManager.runRequest(
this.token,
{
words: this.allWords,
language: this.language,
},
(error, result) => {
if (error) return done(error)
this.result = result
done()
}
)
})
it('should use the language', function () {
this.ASpell.promises.checkWords
.calledWith(this.language)
.should.equal(true)
})
})
})
})

12
services/spelling/tsconfig.json
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@ -1,12 +0,0 @@
{
"extends": "../../tsconfig.backend.json",
"include": [
"app.js",
"app/js/**/*",
"benchmarks/**/*",
"config/**/*",
"scripts/**/*",
"test/**/*",
"types"
]
}