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

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{EventEmitter} = require('events')
{expect} = require('chai')
SandboxedModule = require('sandboxed-module')
modulePath = '../../../app/js/SessionSockets'
sinon = require('sinon')
describe 'SessionSockets', ->
before ->
@SessionSocketsModule = SandboxedModule.require modulePath
@io = new EventEmitter()
@id1 = Math.random().toString()
@id2 = Math.random().toString()
redisResponses =
error: [new Error('Redis: something went wrong'), null]
unknownId: [null, null]
redisResponses[@id1] = [null, {user: {_id: '123'}}]
redisResponses[@id2] = [null, {user: {_id: 'abc'}}]
@sessionStore =
get: sinon.stub().callsFake (id, fn) ->
fn.apply(null, redisResponses[id])
@cookieParser = (req, res, next) ->
req.signedCookies = req._signedCookies
next()
@SessionSockets = @SessionSocketsModule(@io, @sessionStore, @cookieParser, 'ol.sid')
@checkSocket = (socket, fn) =>
@SessionSockets.once('connection', fn)
@io.emit('connection', socket)
describe 'without cookies', ->
before ->
@socket = {handshake: {}}
it 'should return a lookup error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
done()
it 'should not query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(false)
done()
describe 'with a different cookie', ->
before ->
@socket = {handshake: {_signedCookies: {other: 1}}}
it 'should return a lookup error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
done()
it 'should not query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(false)
done()
describe 'with a valid cookie and a failing session lookup', ->
before ->
@socket = {handshake: {_signedCookies: {'ol.sid': 'error'}}}
it 'should query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(true)
done()
it 'should return a redis error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.exist
expect(error.message).to.equal('Redis: something went wrong')
done()
describe 'with a valid cookie and no matching session', ->
before ->
@socket = {handshake: {_signedCookies: {'ol.sid': 'unknownId'}}}
it 'should query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(true)
done()
it 'should return a lookup error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.exist
expect(error.message).to.equal('could not look up session by key')
done()
describe 'with a valid cookie and a matching session', ->
before ->
@socket = {handshake: {_signedCookies: {'ol.sid': @id1}}}
it 'should query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(true)
done()
it 'should not return an error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.not.exist
done()
it 'should return the session', (done) ->
@checkSocket @socket, (error, s, session) ->
expect(session).to.deep.equal({user: {_id: '123'}})
done()
describe 'with a different valid cookie and matching session', ->
before ->
@socket = {handshake: {_signedCookies: {'ol.sid': @id2}}}
it 'should query redis', (done) ->
@checkSocket @socket, () =>
expect(@sessionStore.get.called).to.equal(true)
done()
it 'should not return an error', (done) ->
@checkSocket @socket, (error) ->
expect(error).to.not.exist
done()
it 'should return the other session', (done) ->
@checkSocket @socket, (error, s, session) ->
expect(session).to.deep.equal({user: {_id: 'abc'}})
done()