overleaf/services/real-time/test/acceptance/js/ApplyUpdateTests.js
2021-07-13 12:04:45 +01:00

475 lines
12 KiB
JavaScript

/* eslint-disable
camelcase,
handle-callback-err,
no-return-assign,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS201: Simplify complex destructure assignments
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const async = require('async')
const { expect } = require('chai')
const RealTimeClient = require('./helpers/RealTimeClient')
const FixturesManager = require('./helpers/FixturesManager')
const settings = require('@overleaf/settings')
const redis = require('@overleaf/redis-wrapper')
const rclient = redis.createClient(settings.redis.documentupdater)
const redisSettings = settings.redis
const PENDING_UPDATES_LIST_KEYS = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9].map(n => {
let key = 'pending-updates-list'
if (n !== 0) {
key += `-${n}`
}
return key
})
function getPendingUpdatesList(cb) {
Promise.all(PENDING_UPDATES_LIST_KEYS.map(key => rclient.lrange(key, 0, -1)))
.then(results => {
cb(
null,
results.reduce((acc, more) => {
if (more.length) {
acc.push(...more)
}
return acc
}, [])
)
})
.catch(cb)
}
function clearPendingUpdatesList(cb) {
Promise.all(PENDING_UPDATES_LIST_KEYS.map(key => rclient.del(key)))
.then(() => cb(null))
.catch(cb)
}
describe('applyOtUpdate', function () {
before(function () {
return (this.update = {
op: [{ i: 'foo', p: 42 }],
})
})
describe('when authorized', function () {
before(function (done) {
return async.series(
[
cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'readAndWrite',
},
(e, { project_id, user_id }) => {
this.project_id = project_id
this.user_id = user_id
return cb(e)
}
)
},
cb => {
return FixturesManager.setUpDoc(
this.project_id,
{ lines: this.lines, version: this.version, ops: this.ops },
(e, { doc_id }) => {
this.doc_id = doc_id
return cb(e)
}
)
},
cb => {
this.client = RealTimeClient.connect()
return this.client.on('connectionAccepted', cb)
},
cb => {
return this.client.emit(
'joinProject',
{ project_id: this.project_id },
cb
)
},
cb => {
return this.client.emit('joinDoc', this.doc_id, cb)
},
cb => {
return this.client.emit(
'applyOtUpdate',
this.doc_id,
this.update,
cb
)
},
],
done
)
})
it('should push the doc into the pending updates list', function (done) {
getPendingUpdatesList((error, ...rest) => {
const [doc_id] = Array.from(rest[0])
doc_id.should.equal(`${this.project_id}:${this.doc_id}`)
return done()
})
return null
})
it('should push the update into redis', function (done) {
rclient.lrange(
redisSettings.documentupdater.key_schema.pendingUpdates({
doc_id: this.doc_id,
}),
0,
-1,
(error, ...rest) => {
let [update] = Array.from(rest[0])
update = JSON.parse(update)
update.op.should.deep.equal(this.update.op)
update.meta.should.deep.equal({
source: this.client.publicId,
user_id: this.user_id,
})
return done()
}
)
return null
})
return after(function (done) {
return async.series(
[
cb => clearPendingUpdatesList(cb),
cb =>
rclient.del(
'DocsWithPendingUpdates',
`${this.project_id}:${this.doc_id}`,
cb
),
cb =>
rclient.del(
redisSettings.documentupdater.key_schema.pendingUpdates(
this.doc_id
),
cb
),
],
done
)
})
})
describe('when authorized with a huge edit update', function () {
before(function (done) {
this.update = {
op: {
p: 12,
t: 'update is too large'.repeat(1024 * 400), // >7MB
},
}
return async.series(
[
cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'readAndWrite',
},
(e, { project_id, user_id }) => {
this.project_id = project_id
this.user_id = user_id
return cb(e)
}
)
},
cb => {
return FixturesManager.setUpDoc(
this.project_id,
{ lines: this.lines, version: this.version, ops: this.ops },
(e, { doc_id }) => {
this.doc_id = doc_id
return cb(e)
}
)
},
cb => {
this.client = RealTimeClient.connect()
this.client.on('connectionAccepted', cb)
return this.client.on('otUpdateError', otUpdateError => {
this.otUpdateError = otUpdateError
})
},
cb => {
return this.client.emit(
'joinProject',
{ project_id: this.project_id },
cb
)
},
cb => {
return this.client.emit('joinDoc', this.doc_id, cb)
},
cb => {
return this.client.emit(
'applyOtUpdate',
this.doc_id,
this.update,
error => {
this.error = error
return cb()
}
)
},
],
done
)
})
it('should not return an error', function () {
return expect(this.error).to.not.exist
})
it('should send an otUpdateError to the client', function (done) {
return setTimeout(() => {
expect(this.otUpdateError).to.exist
return done()
}, 300)
})
it('should disconnect the client', function (done) {
return setTimeout(() => {
this.client.socket.connected.should.equal(false)
return done()
}, 300)
})
return it('should not put the update in redis', function (done) {
rclient.llen(
redisSettings.documentupdater.key_schema.pendingUpdates({
doc_id: this.doc_id,
}),
(error, len) => {
len.should.equal(0)
return done()
}
)
return null
})
})
describe('when authorized to read-only with an edit update', function () {
before(function (done) {
return async.series(
[
cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'readOnly',
},
(e, { project_id, user_id }) => {
this.project_id = project_id
this.user_id = user_id
return cb(e)
}
)
},
cb => {
return FixturesManager.setUpDoc(
this.project_id,
{ lines: this.lines, version: this.version, ops: this.ops },
(e, { doc_id }) => {
this.doc_id = doc_id
return cb(e)
}
)
},
cb => {
this.client = RealTimeClient.connect()
return this.client.on('connectionAccepted', cb)
},
cb => {
return this.client.emit(
'joinProject',
{ project_id: this.project_id },
cb
)
},
cb => {
return this.client.emit('joinDoc', this.doc_id, cb)
},
cb => {
return this.client.emit(
'applyOtUpdate',
this.doc_id,
this.update,
error => {
this.error = error
return cb()
}
)
},
],
done
)
})
it('should return an error', function () {
return expect(this.error).to.exist
})
it('should disconnect the client', function (done) {
return setTimeout(() => {
this.client.socket.connected.should.equal(false)
return done()
}, 300)
})
return it('should not put the update in redis', function (done) {
rclient.llen(
redisSettings.documentupdater.key_schema.pendingUpdates({
doc_id: this.doc_id,
}),
(error, len) => {
len.should.equal(0)
return done()
}
)
return null
})
})
return describe('when authorized to read-only with a comment update', function () {
before(function (done) {
this.comment_update = {
op: [{ c: 'foo', p: 42 }],
}
return async.series(
[
cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'readOnly',
},
(e, { project_id, user_id }) => {
this.project_id = project_id
this.user_id = user_id
return cb(e)
}
)
},
cb => {
return FixturesManager.setUpDoc(
this.project_id,
{ lines: this.lines, version: this.version, ops: this.ops },
(e, { doc_id }) => {
this.doc_id = doc_id
return cb(e)
}
)
},
cb => {
this.client = RealTimeClient.connect()
return this.client.on('connectionAccepted', cb)
},
cb => {
return this.client.emit(
'joinProject',
{ project_id: this.project_id },
cb
)
},
cb => {
return this.client.emit('joinDoc', this.doc_id, cb)
},
cb => {
return this.client.emit(
'applyOtUpdate',
this.doc_id,
this.comment_update,
cb
)
},
],
done
)
})
it('should push the doc into the pending updates list', function (done) {
getPendingUpdatesList((error, ...rest) => {
const [doc_id] = Array.from(rest[0])
doc_id.should.equal(`${this.project_id}:${this.doc_id}`)
return done()
})
return null
})
it('should push the update into redis', function (done) {
rclient.lrange(
redisSettings.documentupdater.key_schema.pendingUpdates({
doc_id: this.doc_id,
}),
0,
-1,
(error, ...rest) => {
let [update] = Array.from(rest[0])
update = JSON.parse(update)
update.op.should.deep.equal(this.comment_update.op)
update.meta.should.deep.equal({
source: this.client.publicId,
user_id: this.user_id,
})
return done()
}
)
return null
})
return after(function (done) {
return async.series(
[
cb => clearPendingUpdatesList(cb),
cb =>
rclient.del(
'DocsWithPendingUpdates',
`${this.project_id}:${this.doc_id}`,
cb
),
cb =>
rclient.del(
redisSettings.documentupdater.key_schema.pendingUpdates({
doc_id: this.doc_id,
}),
cb
),
],
done
)
})
})
})