Overleaf/services/real-time/test/acceptance/js/JoinDocTests.js

/* eslint-disable
    camelcase,
    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
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const { expect } = require('chai')

const RealTimeClient = require('./helpers/RealTimeClient')
const MockDocUpdaterServer = require('./helpers/MockDocUpdaterServer')
const FixturesManager = require('./helpers/FixturesManager')

const async = require('async')

describe('joinDoc', function () {
  before(function () {
    this.lines = ['test', 'doc', 'lines']
    this.version = 42
    this.ops = ['mock', 'doc', 'ops']
    return (this.ranges = { mock: 'ranges' })
  })

  describe('when authorised readAndWrite', 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,
                ranges: this.ranges,
              },
              (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,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, -1)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })

  describe('when authorised readOnly', 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,
                ranges: this.ranges,
              },
              (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,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, -1)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })

  describe('when authorised as owner', function () {
    before(function (done) {
      return async.series(
        [
          cb => {
            return FixturesManager.setUpProject(
              {
                privilegeLevel: 'owner',
              },
              (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,
                ranges: this.ranges,
              },
              (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,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, -1)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })

  // It is impossible to write an acceptance test to test joining an unauthorized
  // project, since joinProject already catches that. If you can join a project,
  // then you can join a doc in that project.

  describe('for an invalid doc', function () {
    before(function (done) {
      return async.series(
        [
          cb => {
            return FixturesManager.setUpProject(
              {
                privilegeLevel: 'owner',
              },
              (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,
                ranges: this.ranges,
              },
              (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',
              'invalid-doc-id',
              (error, ...rest) => {
                this.error = error
                return cb()
              }
            )
          },
        ],
        done
      )
    })

    it('should not get the doc from the doc updater', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, 'invalid-doc-id')
        .should.equal(false)
    })

    it('should return an invalid id error', function () {
      this.error.message.should.equal('invalid id')
    })

    return it('should not have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes('invalid-doc-id')).to.equal(
            false
          )
          return done()
        }
      )
    })
  })

  describe('with a fromVersion', function () {
    before(function (done) {
      this.fromVersion = 36
      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,
                ranges: this.ranges,
              },
              (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,
              this.fromVersion,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater with the fromVersion', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, this.fromVersion)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })

  describe('with options', function () {
    before(function (done) {
      this.options = { encodeRanges: true }
      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,
                ranges: this.ranges,
              },
              (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,
              this.options,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater with the default fromVersion', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, -1)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })

  return describe('with fromVersion and options', function () {
    before(function (done) {
      this.fromVersion = 36
      this.options = { encodeRanges: true }
      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,
                ranges: this.ranges,
              },
              (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,
              this.fromVersion,
              this.options,
              (error, ...rest) => {
                ;[...this.returnedArgs] = Array.from(rest)
                return cb(error)
              }
            )
          },
        ],
        done
      )
    })

    it('should get the doc from the doc updater with the fromVersion', function () {
      return MockDocUpdaterServer.getDocument
        .calledWith(this.project_id, this.doc_id, this.fromVersion)
        .should.equal(true)
    })

    it('should return the doc lines, version, ranges and ops', function () {
      return this.returnedArgs.should.deep.equal([
        this.lines,
        this.version,
        this.ops,
        this.ranges,
      ])
    })

    return it('should have joined the doc room', function (done) {
      return RealTimeClient.getConnectedClient(
        this.client.socket.sessionid,
        (error, client) => {
          if (error) return done(error)
          expect(Array.from(client.rooms).includes(this.doc_id)).to.equal(true)
          return done()
        }
      )
    })
  })
})