How to use mock-socket - 10 common examples
To help you get started, we’ve selected a few mock-socket examples, based on popular ways it is used in public projects.
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t2t2 / vue-syncers-feathers / test / helpers / mock-socket.js View on Github 
emit(event, ...data) {
if (this.readyState !== BaseSocketIO.OPEN) {
throw new Error('SocketIO is already in CLOSING or CLOSED state')
}
// Emulate connection by re-creating all objects
data = cloneDeepWith(data, cloneCustomiser)
const messageEvent = createMessageEvent({
type: event,
origin: this.url,
data
})
// Dispatch on self since the event listeners are added to per connection
this.dispatchEvent(messageEvent, ...data)
}status: 200,
headers: { contentType: 'application/json' },
body: `{"witaj": "swiecie", "${remoteVersion}": 777}`
}, {name: 'reconnect'});
// wait for HTTP responses and WebSocket server to be established
await sleep();
// issue a change that will not get acknoledged by server
palindrom.obj.hello = 'OT';
// close the WS
mockSocketServer.close({
code,
wasClean,
reason
});
// setup another web socket so reconnection would not throw an error
anotherSocket = new MockSocketServer(getTestURL('testURL', false, true));
});
if(!wasClean && !reason){import {createMessageEvent} from 'mock-socket/src/event-factory'
import cloneDeepWith from 'lodash/cloneDeepWith'
export class Server extends BaseServer {
// SocketIO sends server (this) as first arg to connection & connect events, this fixes it
dispatchEvent(event, ...customArguments) {
if (customArguments[0] && customArguments[0] === this) {
customArguments.shift()
}
return super.dispatchEvent(event, ...customArguments)
}
}
// SocketIO class isn't exposed
const serverInstance = new Server('dummy')
const instance = new BaseSocketIOConstructor('dummy')
const BaseSocketIO = Object.getPrototypeOf(instance).constructor
instance.on('connect', () => {
instance.close()
serverInstance.close()
})
// GG
function cloneCustomiser(arg) {
if (typeof arg === 'function') {
return function (...args) {
args = cloneDeepWith(args, cloneCustomiser)
return arg(...args)
}
}
return undefined
}describe('mapboxgl_DataFlowService', () => {
var originalTimeout;
var service;
var mockServer = new Server(urlDataFlow);
beforeAll(() => {
var e = {
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [0, 0]
},
"properties": {
"id": 1
}
};
mockServer.on('connection', socket => {
socket.on('message', () => {
console.log("onmessage");
});
socket.on('close', () => { });beforeEach(() => {
if (mockServer) {
mockServer.stop()
}
pongMock = jest.fn(data => {
if (data === 'ping') {
mockServer.emit('pong', true)
}
})
mockServer = new Server(host)
mockServer.on('connection', socket => {
mockServer.emit('data', 'test')
socket.on('message', pongMock)
})
mockServer.on('message', socket => {
mockServer.emit('data', 'test')
})
const routeCallbacks = []
routerNext = jest.fn()
router = {
beforeEach: jest.fn(callback => {
routeCallbacks.push(callback)
}),
push () {it('streams event logs to a socket', function() {
this.timeout(100000);
const MockWebSocket = require('mock-socket').WebSocket;
const MockServer = require('mock-socket').Server;
var server = new MockServer('ws://localhost:40002');
var socket = new MockWebSocket('ws://localhost:40002');
socket.connected = true;
var lineBuffer = require('../../lib/linebuffer');
lineBuffer.setSocket(socket);
var windowsUtilities = requireUncached('../../lib/windows-utilities');
return new Promise((resolve) => {
server.on('message', data => {
debug('received message!');
debug(data);
var message = JSON.parse(data);
var line = message.ls[0].l;
assert.equal(JSON.parse(line).Message, 'arbitraryData');
resolve(true);
});it('streams event logs to a socket', function() {
this.timeout(100000);
const MockWebSocket = require('mock-socket').WebSocket;
const MockServer = require('mock-socket').Server;
var server = new MockServer('ws://localhost:40002');
var socket = new MockWebSocket('ws://localhost:40002');
socket.connected = true;
var lineBuffer = require('../../lib/linebuffer');
lineBuffer.setSocket(socket);
var windowsUtilities = requireUncached('../../lib/windows-utilities');
return new Promise((resolve) => {
server.on('message', data => {
debug('received message!');
debug(data);
var message = JSON.parse(data);
var line = message.ls[0].l;
assert.equal(JSON.parse(line).Message, 'arbitraryData');
resolve(true);
});
setInterval(() => {beforeEach(async () => {
mockSocketServer = new MockSocketServer(getTestURL('testURL', false, true));
fetchMock.get(getTestURL('testURL'), {
status: 200,
headers: { contentType: 'application/json' },
body: '{"hello": "world"}'
}, {name: 'establish'});
onReconnectionCountdown = sinon.spy();
onReconnectionEnd = sinon.spy();
palindrom = new Palindrom({
remoteUrl: getTestURL('testURL'),
ot: true,
localVersionPath,
remoteVersionPath,
onReconnectionCountdown,
onReconnectionEnd,
useWebSocket: true,before(function () {
const fakeURL = 'ws://localhost:8080/peerjs?key=peerjs&id=1&token=testToken';
mockServer = new Server(fakeURL);
mockServer.on('connection', socket => {
//@ts-ignore
socket.on('message', data => {
socket.send('test message from mock server');
});
socket.send(ServerMessageType.Open);
});
});function initServer(): void {
if (mockServer) {
mockServer.close();
mockServerWebSocket = undefined;
}
mockServer = new Server(
server,
{ selectProtocol: (protocols: Array) => "sip" }
);
mockServer.on("connection", (socket) => {
logger.log("Mock WebSocket Server: incoming connection");
mockServerWebSocket = socket;
socket.on("message", (receivedMessage) => {
if (typeof receivedMessage !== "string") {
throw new Error("Mock WebSocket Server received message not of type string.");
}
logger.log(`Mock WebSocket Server: received message "${receivedMessage}"`);
mockServerReceivedMessage = receivedMessage;
});
socket.on("close", () => {mock-socket
Javascript mocking library for websockets and socket.io
