overleaf/services/project-history/test/acceptance/js/SyncTests.js

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import async from 'async'
import nock from 'nock'
import { expect } from 'chai'
import request from 'request'
import assert from 'assert'
import mongodb from 'mongodb-legacy'
import * as ProjectHistoryClient from './helpers/ProjectHistoryClient.js'
import * as ProjectHistoryApp from './helpers/ProjectHistoryApp.js'
const { ObjectId } = mongodb
const EMPTY_FILE_HASH = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
const MockHistoryStore = () => nock('http://localhost:3100')
const MockFileStore = () => nock('http://localhost:3009')
const MockWeb = () => nock('http://localhost:3000')
describe('Syncing with web and doc-updater', function () {
const historyId = new ObjectId().toString()
beforeEach(function (done) {
this.timestamp = new Date()
ProjectHistoryApp.ensureRunning(error => {
if (error) {
throw error
}
this.project_id = new ObjectId().toString()
this.doc_id = new ObjectId().toString()
this.file_id = new ObjectId().toString()
MockHistoryStore().post('/api/projects').reply(200, {
projectId: historyId,
})
MockWeb()
.get(`/project/${this.project_id}/details`)
.reply(200, {
name: 'Test Project',
overleaf: {
history: {
id: historyId,
},
},
})
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
startVersion: 0,
history: {
changes: [],
},
},
})
ProjectHistoryClient.initializeProject(historyId, done)
})
})
afterEach(function () {
nock.cleanAll()
})
describe('resyncing project history', function () {
describe('without project-history enabled', function () {
beforeEach(function () {
MockWeb().post(`/project/${this.project_id}/history/resync`).reply(404)
})
it('404s if project-history is not enabled', function (done) {
request.post(
{
url: `http://localhost:3054/project/${this.project_id}/resync`,
},
(error, res, body) => {
if (error) {
return done(error)
}
expect(res.statusCode).to.equal(404)
done()
}
)
})
})
describe('with project-history enabled', function () {
beforeEach(function () {
MockWeb().post(`/project/${this.project_id}/history/resync`).reply(204)
})
describe('when a doc is missing', function () {
it('should send add doc updates to the history store', function (done) {
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
history: {
snapshot: {
files: {
persistedDoc: { hash: EMPTY_FILE_HASH, stringLength: 0 },
},
},
changes: [],
},
startVersion: 0,
},
})
MockHistoryStore()
.get(`/api/projects/${historyId}/blobs/${EMPTY_FILE_HASH}`)
.reply(200, '')
const createBlob = MockHistoryStore()
.put(`/api/projects/${historyId}/blobs/${EMPTY_FILE_HASH}`, '')
.reply(201)
const addFile = MockHistoryStore()
.post(`/api/projects/${historyId}/legacy_changes`, body => {
expect(body).to.deep.equal([
{
v2Authors: [],
authors: [],
timestamp: this.timestamp.toJSON(),
operations: [
{
pathname: 'main.tex',
file: {
hash: EMPTY_FILE_HASH,
},
},
],
origin: { kind: 'test-origin' },
},
])
return true
})
.query({ end_version: 0 })
.reply(204)
async.series(
[
cb => {
ProjectHistoryClient.resyncHistory(this.project_id, cb)
},
cb => {
const update = {
projectHistoryId: historyId,
resyncProjectStructure: {
docs: [
{ path: '/main.tex', doc: this.doc_id },
{ path: '/persistedDoc', doc: 'other-doc-id' },
],
files: [],
},
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
ProjectHistoryClient.flushProject(this.project_id, cb)
},
],
error => {
if (error) {
throw error
}
assert(
createBlob.isDone(),
'/api/projects/:historyId/blobs/:hash should have been called'
)
assert(
addFile.isDone(),
`/api/projects/${historyId}/changes should have been called`
)
done()
}
)
})
})
describe('when a file is missing', function () {
it('should send add file updates to the history store', function (done) {
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
history: {
snapshot: {
files: {
persistedFile: { hash: EMPTY_FILE_HASH, byteLength: 0 },
},
},
changes: [],
},
startVersion: 0,
},
})
const fileContents = Buffer.from([1, 2, 3])
const fileHash = 'aed2973e4b8a7ff1b30ff5c4751e5a2b38989e74'
MockFileStore()
.get(`/project/${this.project_id}/file/${this.file_id}`)
.reply(200, fileContents)
const createBlob = MockHistoryStore()
.put(`/api/projects/${historyId}/blobs/${fileHash}`, fileContents)
.reply(201)
const addFile = MockHistoryStore()
.post(`/api/projects/${historyId}/legacy_changes`, body => {
expect(body).to.deep.equal([
{
v2Authors: [],
authors: [],
timestamp: this.timestamp.toJSON(),
operations: [
{
pathname: 'test.png',
file: {
hash: fileHash,
},
},
],
origin: { kind: 'test-origin' },
},
])
return true
})
.query({ end_version: 0 })
.reply(204)
async.series(
[
cb => {
ProjectHistoryClient.resyncHistory(this.project_id, cb)
},
cb => {
const update = {
projectHistoryId: historyId,
resyncProjectStructure: {
docs: [],
files: [
{
file: this.file_id,
path: '/test.png',
url: `http://localhost:3009/project/${this.project_id}/file/${this.file_id}`,
},
{ path: '/persistedFile' },
],
},
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
ProjectHistoryClient.flushProject(this.project_id, cb)
},
],
error => {
if (error) {
throw error
}
assert(
createBlob.isDone(),
'/api/projects/:historyId/blobs/:hash should have been called'
)
assert(
addFile.isDone(),
`/api/projects/${historyId}/changes should have been called`
)
done()
}
)
})
})
describe("when a file exists which shouldn't", function () {
it('should send remove file updates to the history store', function (done) {
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
history: {
snapshot: {
files: {
docToKeep: { hash: EMPTY_FILE_HASH, stringLength: 0 },
docToDelete: { hash: EMPTY_FILE_HASH, stringLength: 0 },
},
},
changes: [],
},
startVersion: 0,
},
})
MockHistoryStore()
.get(`/api/projects/${historyId}/blobs/${EMPTY_FILE_HASH}`)
.reply(200, '')
.get(`/api/projects/${historyId}/blobs/${EMPTY_FILE_HASH}`)
.reply(200, '') // blob is requested once for each file
const deleteFile = MockHistoryStore()
.post(`/api/projects/${historyId}/legacy_changes`, body => {
expect(body).to.deep.equal([
{
v2Authors: [],
authors: [],
timestamp: this.timestamp.toJSON(),
operations: [
{
pathname: 'docToDelete',
newPathname: '',
},
],
origin: { kind: 'test-origin' },
},
])
return true
})
.query({ end_version: 0 })
.reply(204)
async.series(
[
cb => {
ProjectHistoryClient.resyncHistory(this.project_id, cb)
},
cb => {
const update = {
projectHistoryId: historyId,
resyncProjectStructure: {
docs: [{ path: 'docToKeep' }],
files: [],
},
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
ProjectHistoryClient.flushProject(this.project_id, cb)
},
],
error => {
if (error) {
throw error
}
assert(
deleteFile.isDone(),
`/api/projects/${historyId}/changes should have been called`
)
done()
}
)
})
})
describe("when a doc's contents is not up to date", function () {
it('should send test updates to the history store', function (done) {
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
history: {
snapshot: {
files: {
'main.tex': {
hash: '0a207c060e61f3b88eaee0a8cd0696f46fb155eb',
stringLength: 3,
},
},
},
changes: [],
},
startVersion: 0,
},
})
MockHistoryStore()
.get(
`/api/projects/${historyId}/blobs/0a207c060e61f3b88eaee0a8cd0696f46fb155eb`
)
.reply(200, 'a\nb')
const addFile = MockHistoryStore()
.post(`/api/projects/${historyId}/legacy_changes`, body => {
expect(body).to.deep.equal([
{
v2Authors: [],
authors: [],
timestamp: this.timestamp.toJSON(),
operations: [
{
pathname: 'main.tex',
textOperation: [3, '\nc'],
},
],
origin: { kind: 'test-origin' },
},
])
return true
})
.query({ end_version: 0 })
.reply(204)
async.series(
[
cb => {
ProjectHistoryClient.resyncHistory(this.project_id, cb)
},
cb => {
const update = {
projectHistoryId: historyId,
resyncProjectStructure: {
docs: [{ path: '/main.tex' }],
files: [],
},
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
const update = {
path: '/main.tex',
projectHistoryId: historyId,
resyncDocContent: {
content: 'a\nb\nc',
},
doc: this.doc_id,
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
ProjectHistoryClient.flushProject(this.project_id, cb)
},
],
error => {
if (error) {
throw error
}
assert(
addFile.isDone(),
`/api/projects/${historyId}/changes should have been called`
)
done()
}
)
})
it('should strip non-BMP characters in updates before sending to the history store', function (done) {
MockHistoryStore()
.get(`/api/projects/${historyId}/latest/history`)
.reply(200, {
chunk: {
history: {
snapshot: {
files: {
'main.tex': {
hash: '0a207c060e61f3b88eaee0a8cd0696f46fb155eb',
stringLength: 3,
},
},
},
changes: [],
},
startVersion: 0,
},
})
MockHistoryStore()
.get(
`/api/projects/${historyId}/blobs/0a207c060e61f3b88eaee0a8cd0696f46fb155eb`
)
.reply(200, 'a\nb')
const addFile = MockHistoryStore()
.post(`/api/projects/${historyId}/legacy_changes`, body => {
expect(body).to.deep.equal([
{
v2Authors: [],
authors: [],
timestamp: this.timestamp.toJSON(),
operations: [
{
pathname: 'main.tex',
textOperation: [3, '\n\uFFFD\uFFFDc'],
},
],
origin: { kind: 'test-origin' },
},
])
return true
})
.query({ end_version: 0 })
.reply(204)
async.series(
[
cb => {
ProjectHistoryClient.resyncHistory(this.project_id, cb)
},
cb => {
const update = {
projectHistoryId: historyId,
resyncProjectStructure: {
docs: [{ path: '/main.tex' }],
files: [],
},
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
const update = {
path: '/main.tex',
projectHistoryId: historyId,
resyncDocContent: {
content: 'a\nb\n\uD800\uDC00c',
},
doc: this.doc_id,
meta: {
ts: this.timestamp,
},
}
ProjectHistoryClient.pushRawUpdate(this.project_id, update, cb)
},
cb => {
ProjectHistoryClient.flushProject(this.project_id, cb)
},
],
error => {
if (error) {
throw error
}
assert(
addFile.isDone(),
`/api/projects/${historyId}/changes should have been called`
)
done()
}
)
})
})
})
})
})