Overleaf/services/web/test/frontend/helpers/editor-providers.jsx

// Disable prop type checks for test harnesses
/* eslint-disable react/prop-types */
import sinon from 'sinon'
import { get, merge } from 'lodash'
import { SocketIOMock } from '@/ide/connection/SocketIoShim'
import { IdeContext } from '@/shared/context/ide-context'
import React, { useEffect, useState } from 'react'
import {
  createReactScopeValueStore,
  IdeReactContext,
} from '@/features/ide-react/context/ide-react-context'
import { IdeEventEmitter } from '@/features/ide-react/create-ide-event-emitter'
import { ReactScopeEventEmitter } from '@/features/ide-react/scope-event-emitter/react-scope-event-emitter'
import { ConnectionContext } from '@/features/ide-react/context/connection-context'
import { EventLog } from '@/features/ide-react/editor/event-log'
import { ReactContextRoot } from '@/features/ide-react/context/react-context-root'

// these constants can be imported in tests instead of
// using magic strings
export const PROJECT_ID = 'project123'
export const PROJECT_NAME = 'project-name'
export const USER_ID = '123abd'
export const USER_EMAIL = 'testuser@example.com'

const defaultUserSettings = {
  pdfViewer: 'pdfjs',
  fontSize: 12,
  fontFamily: 'monaco',
  lineHeight: 'normal',
  editorTheme: 'textmate',
  overallTheme: '',
  mode: 'default',
  autoComplete: true,
  autoPairDelimiters: true,
  trackChanges: true,
  syntaxValidation: false,
  mathPreview: true,
}

export function EditorProviders({
  user = { id: USER_ID, email: USER_EMAIL },
  projectId = PROJECT_ID,
  projectOwner = {
    _id: '124abd',
    email: 'owner@example.com',
  },
  rootDocId = '_root_doc_id',
  socket = new SocketIOMock(),
  isRestrictedTokenMember = false,
  clsiServerId = '1234',
  scope = {},
  features = {
    referencesSearch: true,
  },
  permissionsLevel = 'owner',
  children,
  rootFolder = [
    {
      _id: 'root-folder-id',
      name: 'rootFolder',
      docs: [],
      folders: [],
      fileRefs: [],
    },
  ],
  ui = { view: 'editor', pdfLayout: 'sideBySide', chatOpen: true },
  fileTreeManager = {
    findEntityById: () => null,
    findEntityByPath: () => null,
    getEntityPath: () => '',
    getRootDocDirname: () => '',
    getPreviewByPath: path => ({ url: path, extension: 'png' }),
  },
  editorManager = {
    getCurrentDocumentId: () => 'foo',
    getCurrentDocValue: () => {},
    openDoc: sinon.stub(),
  },
  userSettings = {},
  providers = {},
}) {
  window.metaAttributesCache.set(
    'ol-gitBridgePublicBaseUrl',
    'https://git.overleaf.test'
  )
  window.metaAttributesCache.set(
    'ol-isRestrictedTokenMember',
    isRestrictedTokenMember
  )
  window.metaAttributesCache.set(
    'ol-userSettings',
    merge({}, defaultUserSettings, userSettings)
  )

  const $scope = merge(
    {
      user,
      editor: {
        sharejs_doc: {
          doc_id: 'test-doc',
          getSnapshot: () => 'some doc content',
        },
      },
      project: {
        _id: projectId,
        name: PROJECT_NAME,
        owner: projectOwner,
        features,
        rootDoc_id: rootDocId,
        rootFolder,
      },
      ui,
      $watch: (path, callback) => {
        callback(get($scope, path))
        return () => null
      },
      $on: sinon.stub(),
      $applyAsync: sinon.stub(),
      permissionsLevel,
    },
    scope
  )

  window._ide = {
    $scope,
    socket,
    clsiServerId,
    editorManager,
    fileTreeManager,
  }

  // Add details for useUserContext
  window.metaAttributesCache.set('ol-user', { ...user, features })
  window.metaAttributesCache.set('ol-project_id', projectId)

  return (
    <ReactContextRoot
      providers={{
        ConnectionProvider,
        IdeReactProvider,
        ...providers,
      }}
    >
      {children}
    </ReactContextRoot>
  )
}

const ConnectionProvider = ({ children }) => {
  const [value] = useState(() => ({
    socket: window._ide.socket,
    connectionState: {
      readyState: WebSocket.OPEN,
      forceDisconnected: false,
      inactiveDisconnect: false,
      reconnectAt: null,
      forcedDisconnectDelay: 0,
      lastConnectionAttempt: 0,
      error: '',
    },
    isConnected: true,
    isStillReconnecting: false,
    secondsUntilReconnect: () => 0,
    tryReconnectNow: () => {},
    registerUserActivity: () => {},
    disconnect: () => {},
  }))

  return (
    <ConnectionContext.Provider value={value}>
      {children}
    </ConnectionContext.Provider>
  )
}

const IdeReactProvider = ({ children }) => {
  const [startedFreeTrial, setStartedFreeTrial] = useState(false)

  const [ideReactContextValue] = useState(() => ({
    projectId: PROJECT_ID,
    eventEmitter: new IdeEventEmitter(),
    eventLog: new EventLog(),
    startedFreeTrial,
    setStartedFreeTrial,
    reportError: () => {},
    projectJoined: true,
  }))

  const [ideContextValue] = useState(() => {
    const ide = window._ide

    const scopeStore = createReactScopeValueStore(PROJECT_ID)
    for (const [key, value] of Object.entries(ide.$scope)) {
      // TODO: path for nested entries
      scopeStore.set(key, value)
    }
    scopeStore.set('editor.sharejs_doc', ide.$scope.editor.sharejs_doc)
    scopeStore.set('ui.chatOpen', ide.$scope.ui.chatOpen)
    const scopeEventEmitter = new ReactScopeEventEmitter(new IdeEventEmitter())

    return {
      ...ide,
      scopeStore,
      scopeEventEmitter,
    }
  })

  useEffect(() => {
    window.overleaf = {
      ...window.overleaf,
      unstable: {
        ...window.overleaf?.unstable,
        store: ideContextValue.scopeStore,
      },
    }
  }, [ideContextValue.scopeStore])

  return (
    <IdeReactContext.Provider value={ideReactContextValue}>
      <IdeContext.Provider value={ideContextValue}>
        {children}
      </IdeContext.Provider>
    </IdeReactContext.Provider>
  )
}