overleaf/services/real-time/test/unit/js/SessionSocketsTests.js

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/* eslint-disable
no-return-assign,
*/
// 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
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const { EventEmitter } = require('events')
const { expect } = require('chai')
const SandboxedModule = require('sandboxed-module')
const modulePath = '../../../app/js/SessionSockets'
const sinon = require('sinon')
describe('SessionSockets', function () {
beforeEach(function () {
this.metrics = { inc: sinon.stub() }
this.SessionSocketsModule = SandboxedModule.require(modulePath, {
requires: {
'@overleaf/metrics': this.metrics,
},
})
this.io = new EventEmitter()
this.id1 = Math.random().toString()
this.id2 = Math.random().toString()
const redisResponses = {
error: [new Error('Redis: something went wrong'), null],
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unknownId: [null, null],
}
redisResponses[this.id1] = [null, { user: { _id: '123' } }]
redisResponses[this.id2] = [null, { user: { _id: 'abc' } }]
this.sessionStore = {
get: sinon
.stub()
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.callsFake((id, fn) => fn.apply(null, redisResponses[id])),
}
this.cookieParser = function (req, res, next) {
req.signedCookies = req._signedCookies
return next()
}
this.SessionSockets = this.SessionSocketsModule(
this.io,
this.sessionStore,
this.cookieParser,
'ol.sid'
)
return (this.checkSocket = (socket, fn) => {
this.SessionSockets.once('connection', fn)
return this.io.emit('connection', socket)
})
})
describe('without cookies', function () {
beforeEach(function () {
return (this.socket = { handshake: {} })
})
it('should return a lookup error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
return done()
})
})
it('should not query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(false)
return done()
})
})
it('should increment the session.cookie metric with status "none"', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'none',
})
return done()
})
})
})
describe('with a different cookie', function () {
beforeEach(function () {
return (this.socket = { handshake: { _signedCookies: { other: 1 } } })
})
it('should return a lookup error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
return done()
})
})
it('should not query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(false)
return done()
})
})
})
describe('with a cookie with an invalid signature', function () {
beforeEach(function () {
return (this.socket = {
handshake: { _signedCookies: { 'ol.sid': false } },
})
})
it('should return a lookup error', function (done) {
return this.checkSocket(this.socket, error => {
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
return done()
})
})
it('should not query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(false)
return done()
})
})
it('should increment the session.cookie metric with status=bad-signature', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'bad-signature',
})
return done()
})
})
})
describe('with a valid cookie and a failing session lookup', function () {
beforeEach(function () {
return (this.socket = {
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handshake: { _signedCookies: { 'ol.sid': 'error' } },
})
})
it('should query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(true)
return done()
})
})
it('should return a redis error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.exist
expect(error.message).to.equal('Redis: something went wrong')
return done()
})
})
it('should increment the session.cookie metric with status=error', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'error',
})
return done()
})
})
})
describe('with a valid cookie and no matching session', function () {
beforeEach(function () {
return (this.socket = {
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handshake: { _signedCookies: { 'ol.sid': 'unknownId' } },
})
})
it('should query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(true)
return done()
})
})
it('should return a lookup error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
return done()
})
})
it('should increment the session.cookie metric with status=missing', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'missing',
})
return done()
})
})
})
describe('with a valid cookie and a matching session', function () {
beforeEach(function () {
return (this.socket = {
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handshake: { _signedCookies: { 'ol.sid': this.id1 } },
})
})
it('should query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(true)
return done()
})
})
it('should not return an error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.not.exist
return done()
})
})
it('should return the session', function (done) {
return this.checkSocket(this.socket, (error, s, session) => {
if (error) return done(error)
expect(session).to.deep.equal({ user: { _id: '123' } })
return done()
})
})
it('should increment the session.cookie metric with status=signed', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'signed',
})
return done()
})
})
})
describe('with a different valid cookie and matching session', function () {
beforeEach(function () {
return (this.socket = {
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handshake: { _signedCookies: { 'ol.sid': this.id2 } },
})
})
it('should query redis', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.sessionStore.get.called).to.equal(true)
return done()
})
})
it('should not return an error', function (done) {
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return this.checkSocket(this.socket, error => {
expect(error).to.not.exist
return done()
})
})
it('should return the other session', function (done) {
return this.checkSocket(this.socket, (error, s, session) => {
if (error) return done(error)
expect(session).to.deep.equal({ user: { _id: 'abc' } })
return done()
})
})
it('should increment the session.cookie metric with status=error', function (done) {
return this.checkSocket(this.socket, () => {
expect(this.metrics.inc).to.be.calledWith('session.cookie', 1, {
status: 'signed',
})
return done()
})
})
})
})