mirror of
https://github.com/overleaf/overleaf.git
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427 lines
13 KiB
JavaScript
427 lines
13 KiB
JavaScript
/* eslint-disable
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camelcase,
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no-return-assign,
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no-unused-vars,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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require('chai').should()
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const sinon = require('sinon')
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const SandboxedModule = require('sandboxed-module')
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const path = require('path')
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const modulePath = '../../../app/js/DocumentUpdaterManager'
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const _ = require('underscore')
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describe('DocumentUpdaterManager', function () {
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beforeEach(function () {
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let Timer
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this.project_id = 'project-id-923'
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this.doc_id = 'doc-id-394'
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this.lines = ['one', 'two', 'three']
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this.version = 42
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this.settings = {
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apis: { documentupdater: { url: 'http://doc-updater.example.com' } },
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redis: {
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documentupdater: {
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key_schema: {
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pendingUpdates({ doc_id }) {
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return `PendingUpdates:${doc_id}`
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}
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}
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}
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},
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maxUpdateSize: 7 * 1024 * 1024,
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pendingUpdateListShardCount: 10
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}
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this.rclient = { auth() {} }
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return (this.DocumentUpdaterManager = SandboxedModule.require(modulePath, {
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requires: {
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'settings-sharelatex': this.settings,
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'logger-sharelatex': (this.logger = {
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log: sinon.stub(),
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error: sinon.stub(),
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warn: sinon.stub()
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}),
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request: (this.request = {}),
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'@overleaf/redis-wrapper': { createClient: () => this.rclient },
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'@overleaf/metrics': (this.Metrics = {
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summary: sinon.stub(),
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Timer: (Timer = class Timer {
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done() {}
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})
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})
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},
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globals: {
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JSON: (this.JSON = Object.create(JSON))
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}
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}))
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}) // avoid modifying JSON object directly
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describe('getDocument', function () {
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beforeEach(function () {
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return (this.callback = sinon.stub())
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})
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describe('successfully', function () {
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beforeEach(function () {
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this.body = JSON.stringify({
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lines: this.lines,
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version: this.version,
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ops: (this.ops = ['mock-op-1', 'mock-op-2']),
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ranges: (this.ranges = { mock: 'ranges' })
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})
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this.fromVersion = 2
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this.request.get = sinon
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.stub()
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.callsArgWith(1, null, { statusCode: 200 }, this.body)
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return this.DocumentUpdaterManager.getDocument(
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this.project_id,
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this.doc_id,
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this.fromVersion,
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this.callback
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)
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})
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it('should get the document from the document updater', function () {
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const url = `${this.settings.apis.documentupdater.url}/project/${this.project_id}/doc/${this.doc_id}?fromVersion=${this.fromVersion}`
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return this.request.get.calledWith(url).should.equal(true)
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})
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return it('should call the callback with the lines, version, ranges and ops', function () {
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return this.callback
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.calledWith(null, this.lines, this.version, this.ranges, this.ops)
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.should.equal(true)
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})
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})
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describe('when the document updater API returns an error', function () {
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beforeEach(function () {
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this.request.get = sinon
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.stub()
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.callsArgWith(
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1,
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(this.error = new Error('something went wrong')),
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null,
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null
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)
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return this.DocumentUpdaterManager.getDocument(
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this.project_id,
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this.doc_id,
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this.fromVersion,
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this.callback
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)
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})
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return it('should return an error to the callback', function () {
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return this.callback.calledWith(this.error).should.equal(true)
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})
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})
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;[404, 422].forEach((statusCode) =>
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describe(`when the document updater returns a ${statusCode} status code`, function () {
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beforeEach(function () {
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this.request.get = sinon
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.stub()
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.callsArgWith(1, null, { statusCode }, '')
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return this.DocumentUpdaterManager.getDocument(
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this.project_id,
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this.doc_id,
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this.fromVersion,
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this.callback
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)
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})
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return it('should return the callback with an error', function () {
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this.callback.called.should.equal(true)
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this.callback
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.calledWith(
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sinon.match({
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message: 'doc updater could not load requested ops',
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info: { statusCode }
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})
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)
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.should.equal(true)
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this.logger.error.called.should.equal(false)
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this.logger.warn.called.should.equal(false)
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})
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})
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)
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return describe('when the document updater returns a failure error code', function () {
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beforeEach(function () {
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this.request.get = sinon
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.stub()
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.callsArgWith(1, null, { statusCode: 500 }, '')
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return this.DocumentUpdaterManager.getDocument(
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this.project_id,
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this.doc_id,
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this.fromVersion,
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this.callback
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)
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})
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return it('should return the callback with an error', function () {
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this.callback.called.should.equal(true)
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this.callback
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.calledWith(
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sinon.match({
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message: 'doc updater returned a non-success status code',
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info: {
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action: 'getDocument',
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statusCode: 500
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}
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})
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)
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.should.equal(true)
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this.logger.error.called.should.equal(false)
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})
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})
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})
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describe('flushProjectToMongoAndDelete', function () {
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beforeEach(function () {
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return (this.callback = sinon.stub())
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})
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describe('successfully', function () {
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beforeEach(function () {
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this.request.del = sinon
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.stub()
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.callsArgWith(1, null, { statusCode: 204 }, '')
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return this.DocumentUpdaterManager.flushProjectToMongoAndDelete(
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this.project_id,
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this.callback
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)
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})
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it('should delete the project from the document updater', function () {
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const url = `${this.settings.apis.documentupdater.url}/project/${this.project_id}?background=true`
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return this.request.del.calledWith(url).should.equal(true)
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})
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return it('should call the callback with no error', function () {
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return this.callback.calledWith(null).should.equal(true)
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})
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})
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describe('when the document updater API returns an error', function () {
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beforeEach(function () {
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this.request.del = sinon
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.stub()
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.callsArgWith(
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1,
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(this.error = new Error('something went wrong')),
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null,
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null
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)
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return this.DocumentUpdaterManager.flushProjectToMongoAndDelete(
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this.project_id,
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this.callback
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)
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})
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return it('should return an error to the callback', function () {
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return this.callback.calledWith(this.error).should.equal(true)
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})
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})
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return describe('when the document updater returns a failure error code', function () {
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beforeEach(function () {
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this.request.del = sinon
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.stub()
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.callsArgWith(1, null, { statusCode: 500 }, '')
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return this.DocumentUpdaterManager.flushProjectToMongoAndDelete(
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this.project_id,
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this.callback
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)
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})
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return it('should return the callback with an error', function () {
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this.callback.called.should.equal(true)
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this.callback
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.calledWith(
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sinon.match({
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message: 'doc updater returned a non-success status code',
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info: {
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action: 'flushProjectToMongoAndDelete',
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statusCode: 500
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}
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})
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)
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.should.equal(true)
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})
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})
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})
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describe('queueChange', function () {
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beforeEach(function () {
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this.change = {
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doc: '1234567890',
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op: [{ d: 'test', p: 345 }],
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v: 789
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}
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this.rclient.rpush = sinon.stub().yields()
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return (this.callback = sinon.stub())
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})
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describe('successfully', function () {
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beforeEach(function () {
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this.pendingUpdateListKey = `pending-updates-list-key-${Math.random()}`
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this.DocumentUpdaterManager._getPendingUpdateListKey = sinon
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.stub()
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.returns(this.pendingUpdateListKey)
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this.DocumentUpdaterManager.queueChange(
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this.project_id,
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this.doc_id,
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this.change,
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this.callback
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)
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})
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it('should push the change', function () {
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this.rclient.rpush
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.calledWith(
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`PendingUpdates:${this.doc_id}`,
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JSON.stringify(this.change)
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)
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.should.equal(true)
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})
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it('should notify the doc updater of the change via the pending-updates-list queue', function () {
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this.rclient.rpush
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.calledWith(
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this.pendingUpdateListKey,
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`${this.project_id}:${this.doc_id}`
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)
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.should.equal(true)
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})
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})
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describe('with error talking to redis during rpush', function () {
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beforeEach(function () {
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this.rclient.rpush = sinon
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.stub()
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.yields(new Error('something went wrong'))
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return this.DocumentUpdaterManager.queueChange(
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this.project_id,
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this.doc_id,
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this.change,
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this.callback
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)
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})
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return it('should return an error', function () {
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return this.callback
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.calledWithExactly(sinon.match(Error))
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.should.equal(true)
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})
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})
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describe('with null byte corruption', function () {
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beforeEach(function () {
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this.JSON.stringify = () => '["bad bytes! \u0000 <- here"]'
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return this.DocumentUpdaterManager.queueChange(
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this.project_id,
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this.doc_id,
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this.change,
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this.callback
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)
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})
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it('should return an error', function () {
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return this.callback
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.calledWithExactly(sinon.match(Error))
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.should.equal(true)
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})
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return it('should not push the change onto the pending-updates-list queue', function () {
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return this.rclient.rpush.called.should.equal(false)
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})
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})
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describe('when the update is too large', function () {
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beforeEach(function () {
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this.change = {
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op: { p: 12, t: 'update is too large'.repeat(1024 * 400) }
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}
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return this.DocumentUpdaterManager.queueChange(
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this.project_id,
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this.doc_id,
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this.change,
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this.callback
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)
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})
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it('should return an error', function () {
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return this.callback
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.calledWithExactly(sinon.match(Error))
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.should.equal(true)
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})
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it('should add the size to the error', function () {
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return this.callback.args[0][0].info.updateSize.should.equal(7782422)
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})
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return it('should not push the change onto the pending-updates-list queue', function () {
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return this.rclient.rpush.called.should.equal(false)
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})
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})
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describe('with invalid keys', function () {
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beforeEach(function () {
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this.change = {
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op: [{ d: 'test', p: 345 }],
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version: 789 // not a valid key
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}
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return this.DocumentUpdaterManager.queueChange(
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this.project_id,
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this.doc_id,
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this.change,
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this.callback
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)
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})
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it('should remove the invalid keys from the change', function () {
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return this.rclient.rpush
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.calledWith(
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`PendingUpdates:${this.doc_id}`,
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JSON.stringify({ op: this.change.op })
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)
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.should.equal(true)
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})
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})
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})
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describe('_getPendingUpdateListKey', function () {
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beforeEach(function () {
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const keys = _.times(
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10000,
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this.DocumentUpdaterManager._getPendingUpdateListKey
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)
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this.keys = _.unique(keys)
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})
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it('should return normal pending updates key', function () {
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_.contains(this.keys, 'pending-updates-list').should.equal(true)
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})
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it('should return pending-updates-list-n keys', function () {
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_.contains(this.keys, 'pending-updates-list-1').should.equal(true)
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_.contains(this.keys, 'pending-updates-list-3').should.equal(true)
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_.contains(this.keys, 'pending-updates-list-9').should.equal(true)
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})
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it('should not include pending-updates-list-0 key', function () {
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_.contains(this.keys, 'pending-updates-list-0').should.equal(false)
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})
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it('should not include maximum as pendingUpdateListShardCount value', function () {
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_.contains(this.keys, 'pending-updates-list-10').should.equal(false)
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})
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})
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})
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