overleaf/services/real-time/test/acceptance/js/ReceiveUpdateTests.js

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/* eslint-disable
camelcase,
no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* 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
*/
const { expect } = require('chai')
const RealTimeClient = require('./helpers/RealTimeClient')
const MockWebServer = require('./helpers/MockWebServer')
const FixturesManager = require('./helpers/FixturesManager')
const async = require('async')
const settings = require('@overleaf/settings')
const redis = require('@overleaf/redis-wrapper')
const rclient = redis.createClient(settings.redis.pubsub)
describe('receiveUpdate', function () {
beforeEach(function (done) {
this.lines = ['test', 'doc', 'lines']
this.version = 42
this.ops = ['mock', 'doc', 'ops']
return async.series(
[
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cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'owner',
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project: { name: 'Test Project' },
},
(error, { user_id, project_id }) => {
if (error) return done(error)
this.user_id = user_id
this.project_id = project_id
return cb()
}
)
},
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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)
}
)
},
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cb => {
this.clientA = RealTimeClient.connect()
return this.clientA.on('connectionAccepted', cb)
},
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cb => {
this.clientB = RealTimeClient.connect()
return this.clientB.on('connectionAccepted', cb)
},
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cb => {
return this.clientA.emit(
'joinProject',
{
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project_id: this.project_id,
},
cb
)
},
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cb => {
return this.clientA.emit('joinDoc', this.doc_id, cb)
},
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cb => {
return this.clientB.emit(
'joinProject',
{
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project_id: this.project_id,
},
cb
)
},
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cb => {
return this.clientB.emit('joinDoc', this.doc_id, cb)
},
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cb => {
return FixturesManager.setUpProject(
{
privilegeLevel: 'owner',
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project: { name: 'Test Project' },
},
(
error,
{ user_id: user_id_second, project_id: project_id_second }
) => {
if (error) return done(error)
this.user_id_second = user_id_second
this.project_id_second = project_id_second
return cb()
}
)
},
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cb => {
return FixturesManager.setUpDoc(
this.project_id_second,
{ lines: this.lines, version: this.version, ops: this.ops },
(e, { doc_id: doc_id_second }) => {
this.doc_id_second = doc_id_second
return cb(e)
}
)
},
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cb => {
this.clientC = RealTimeClient.connect()
return this.clientC.on('connectionAccepted', cb)
},
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cb => {
return this.clientC.emit(
'joinProject',
{
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project_id: this.project_id_second,
},
cb
)
},
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cb => {
return this.clientC.emit('joinDoc', this.doc_id_second, cb)
},
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cb => {
this.clientAUpdates = []
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this.clientA.on('otUpdateApplied', update =>
this.clientAUpdates.push(update)
)
this.clientBUpdates = []
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this.clientB.on('otUpdateApplied', update =>
this.clientBUpdates.push(update)
)
this.clientCUpdates = []
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this.clientC.on('otUpdateApplied', update =>
this.clientCUpdates.push(update)
)
this.clientAErrors = []
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this.clientA.on('otUpdateError', error =>
this.clientAErrors.push(error)
)
this.clientBErrors = []
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this.clientB.on('otUpdateError', error =>
this.clientBErrors.push(error)
)
this.clientCErrors = []
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this.clientC.on('otUpdateError', error =>
this.clientCErrors.push(error)
)
return cb()
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},
],
done
)
})
afterEach(function () {
if (this.clientA != null) {
this.clientA.disconnect()
}
if (this.clientB != null) {
this.clientB.disconnect()
}
return this.clientC != null ? this.clientC.disconnect() : undefined
})
describe('with an update from clientA', function () {
beforeEach(function (done) {
this.update = {
doc_id: this.doc_id,
op: {
meta: {
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source: this.clientA.publicId,
},
v: this.version,
doc: this.doc_id,
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op: [{ i: 'foo', p: 50 }],
},
}
rclient.publish('applied-ops', JSON.stringify(this.update))
return setTimeout(done, 200)
}) // Give clients time to get message
it('should send the full op to clientB', function () {
return this.clientBUpdates.should.deep.equal([this.update.op])
})
it('should send an ack to clientA', function () {
return this.clientAUpdates.should.deep.equal([
{
v: this.version,
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doc: this.doc_id,
},
])
})
return it('should send nothing to clientC', function () {
return this.clientCUpdates.should.deep.equal([])
})
})
describe('with an update from clientC', function () {
beforeEach(function (done) {
this.update = {
doc_id: this.doc_id_second,
op: {
meta: {
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source: this.clientC.publicId,
},
v: this.version,
doc: this.doc_id_second,
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op: [{ i: 'update from clientC', p: 50 }],
},
}
rclient.publish('applied-ops', JSON.stringify(this.update))
return setTimeout(done, 200)
}) // Give clients time to get message
it('should send nothing to clientA', function () {
return this.clientAUpdates.should.deep.equal([])
})
it('should send nothing to clientB', function () {
return this.clientBUpdates.should.deep.equal([])
})
return it('should send an ack to clientC', function () {
return this.clientCUpdates.should.deep.equal([
{
v: this.version,
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doc: this.doc_id_second,
},
])
})
})
describe('with an update from a remote client for project 1', function () {
beforeEach(function (done) {
this.update = {
doc_id: this.doc_id,
op: {
meta: {
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source: 'this-is-a-remote-client-id',
},
v: this.version,
doc: this.doc_id,
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op: [{ i: 'foo', p: 50 }],
},
}
rclient.publish('applied-ops', JSON.stringify(this.update))
return setTimeout(done, 200)
}) // Give clients time to get message
it('should send the full op to clientA', function () {
return this.clientAUpdates.should.deep.equal([this.update.op])
})
it('should send the full op to clientB', function () {
return this.clientBUpdates.should.deep.equal([this.update.op])
})
return it('should send nothing to clientC', function () {
return this.clientCUpdates.should.deep.equal([])
})
})
describe('with an error for the first project', function () {
beforeEach(function (done) {
rclient.publish(
'applied-ops',
JSON.stringify({
doc_id: this.doc_id,
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error: (this.error = 'something went wrong'),
})
)
return setTimeout(done, 200)
}) // Give clients time to get message
it('should send the error to the clients in the first project', function () {
this.clientAErrors.should.deep.equal([this.error])
return this.clientBErrors.should.deep.equal([this.error])
})
it('should not send any errors to the client in the second project', function () {
return this.clientCErrors.should.deep.equal([])
})
it('should disconnect the clients of the first project', function () {
this.clientA.socket.connected.should.equal(false)
return this.clientB.socket.connected.should.equal(false)
})
return it('should not disconnect the client in the second project', function () {
return this.clientC.socket.connected.should.equal(true)
})
})
return describe('with an error for the second project', function () {
beforeEach(function (done) {
rclient.publish(
'applied-ops',
JSON.stringify({
doc_id: this.doc_id_second,
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error: (this.error = 'something went wrong'),
})
)
return setTimeout(done, 200)
}) // Give clients time to get message
it('should not send any errors to the clients in the first project', function () {
this.clientAErrors.should.deep.equal([])
return this.clientBErrors.should.deep.equal([])
})
it('should send the error to the client in the second project', function () {
return this.clientCErrors.should.deep.equal([this.error])
})
it('should not disconnect the clients of the first project', function () {
this.clientA.socket.connected.should.equal(true)
return this.clientB.socket.connected.should.equal(true)
})
return it('should disconnect the client in the second project', function () {
return this.clientC.socket.connected.should.equal(false)
})
})
})