gristlabs_grist-core/test/server/gristClient.ts

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import { DocAction } from 'app/common/DocActions';
import { DocData } from 'app/common/DocData';
import { SchemaTypes } from 'app/common/schema';
import { FlexServer } from 'app/server/lib/FlexServer';
import axios from 'axios';
import pick = require('lodash/pick');
import {GristClientSocket} from 'app/client/components/GristClientSocket';
interface GristRequest {
reqId: number;
method: string;
args: any[];
}
interface GristResponse {
reqId: number;
error?: string;
errorCode?: string;
data?: any;
}
interface GristMessage {
type: 'clientConnect' | 'docUserAction';
docFD: number;
data: any;
}
export class GristClient {
public messages: GristMessage[] = [];
private _requestId: number = 0;
private _pending: Array<GristResponse|GristMessage> = [];
private _docData?: DocData; // accumulate tabular info like a real client.
private _consumer: () => void;
private _ignoreTrivialActions: boolean = false;
constructor(public ws: GristClientSocket) {
ws.onmessage = (data: string) => {
const msg = pick(JSON.parse(data),
['reqId', 'error', 'errorCode', 'data', 'type', 'docFD']);
if (this._ignoreTrivialActions && msg.type === 'docUserAction' &&
msg.data?.actionGroup?.internal === true &&
msg.data?.docActions?.length === 0) {
return;
}
this._pending.push(msg);
if (msg.data?.doc) {
this._docData = new DocData(() => {
throw new Error('no fetches');
}, msg.data.doc);
}
if (this._docData && msg.type === 'docUserAction') {
const docActions = msg.data?.docActions || [];
for (const docAction of docActions) {
this._docData.receiveAction(docAction);
}
}
if (this._consumer) { this._consumer(); }
};
}
// After a document is opened, the sandbox recomputes its formulas and sends any changes.
// The client will receive an update even if there are no changes. This may be useful in
// the future to know that the document is up to date. But for testing, this asynchronous
// message can be awkward. Call this method to ignore it.
public ignoreTrivialActions() {
this._ignoreTrivialActions = true;
}
public flush() {
this._pending = [];
}
public shift() {
return this._pending.shift();
}
public count() {
return this._pending.length;
}
public get docData() {
if (!this._docData) { throw new Error('no DocData'); }
return this._docData;
}
public getMetaRecords(tableId: keyof SchemaTypes) {
return this.docData.getMetaTable(tableId).getRecords();
}
public async read(): Promise<any> {
for (;;) {
if (this._pending.length) {
return this._pending.shift();
}
await new Promise<void>(resolve => this._consumer = resolve);
}
}
public async readMessage(): Promise<GristMessage> {
const result = await this.read();
if (!result.type) {
throw new Error(`message looks wrong: ${JSON.stringify(result)}`);
}
return result;
}
public async readResponse(): Promise<GristResponse> {
this.messages = [];
for (;;) {
const result = await this.read();
if (result.reqId === undefined) {
this.messages.push(result);
continue;
}
if (result.reqId !== this._requestId) {
throw new Error("unexpected request id");
}
return result;
}
}
public waitForServer() {
// send an arbitrary failing message and wait for response.
return this.send('ping');
}
// Helper to read the next docUserAction ignoring anything else (e.g. a duplicate clientConnect).
public async readDocUserAction(): Promise<DocAction[]> {
while (true) { // eslint-disable-line no-constant-condition
const msg = await this.readMessage();
if (msg.type === 'docUserAction') {
return msg.data.docActions;
}
}
}
public async send(method: string, ...args: any[]): Promise<GristResponse> {
const p = this.readResponse();
this._requestId++;
const req: GristRequest = {
reqId: this._requestId,
method,
args
};
this.ws.send(JSON.stringify(req));
const result = await p;
return result;
}
public async close() {
this.ws.close();
}
public async openDocOnConnect(docId: string) {
const msg = await this.readMessage();
if (msg.type !== 'clientConnect') { throw new Error('expected clientConnect'); }
const openDoc = await this.send('openDoc', docId);
if (openDoc.error) { throw new Error('error in openDocOnConnect'); }
return openDoc;
}
}
export async function openClient(server: FlexServer, email: string, org: string,
emailHeader?: string): Promise<GristClient> {
const headers: Record<string, string> = {};
if (!emailHeader) {
const resp = await axios.get(`${server.getOwnUrl()}/test/session`);
const cookie = resp.headers['set-cookie'][0];
if (email !== 'anon@getgrist.com') {
const cid = decodeURIComponent(cookie.split('=')[1].split(';')[0]);
const comm = server.getComm();
const sessionId = comm.getSessionIdFromCookie(cid)!;
const scopedSession = comm.getOrCreateSession(sessionId, {org});
const profile = { email, email_verified: true, name: "Someone" };
await scopedSession.updateUserProfile({} as any, profile);
}
headers.Cookie = cookie;
} else {
headers[emailHeader] = email;
}
const ws = new GristClientSocket('ws://localhost:' + server.getOwnPort() + `/o/${org}`, {
headers
});
const client = new GristClient(ws);
await new Promise(function(resolve, reject) {
ws.onopen = function() {
ws.onerror = null;
resolve(ws);
};
ws.onerror = function(err: Error) {
ws.onopen = null;
reject(err);
};
});
return client;
}