muweb-socket/test/server.js

WebSocket communication for mudb

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var http = require("http");
var test = require("tape");
var ip = require("ip");
var WebSocket = require("uws");
var socket_1 = require("mudb/socket");
var server_1 = require("../server");
function noop() { }
var server = http.createServer();
test.onFinish(function () { return process.exit(0); });
test('server initial state', function (t) {
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    t.equals(socketServer.state, socket_1.MuSocketServerState.INIT, 'should be INIT');
    t.end();
});
test('socketServer.start() - when INIT', function (t) {
    t.plan(2);
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.start({
        ready: function () {
            t.pass('should invoke ready handler');
            t.equals(socketServer.state, socket_1.MuSocketServerState.RUNNING, 'should change server state to RUNNING');
        },
        connection: noop,
        close: noop,
    });
});
test('socketServer.start() - when RUNNING', function (t) {
    t.plan(1);
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.start({
        ready: function () {
            t.throws(function () { return socketServer.start({
                ready: noop,
                connection: noop,
                close: noop,
            }); });
        },
        connection: noop,
        close: noop,
    });
});
test('socketServer.start() - when SHUTDOWN', function (t) {
    t.plan(1);
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.start({
        ready: function () {
            socketServer.close();
            t.throws(function () { return socketServer.start({
                ready: noop,
                connection: noop,
                close: noop,
            }); });
        },
        connection: noop,
        close: noop,
    });
});
test('when a client connects', function (t) {
    t.plan(3);
    function id() {
        return Math.random().toString(36).substr(2);
    }
    var url = '';
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.start({
        ready: function () {
            t.pass('should invoke ready handler');
            var numSockets = 0;
            var numSocketsToOpen = 5;
            var sessionId = id();
            function openSocket() {
                var socket = new WebSocket(url);
                socket.binaryType = 'arraybuffer';
                socket.onopen = function () {
                    socket.onmessage = function (ev) {
                        if (typeof ev.data === 'string') {
                            var firstSocket = numSockets === 0;
                            if (firstSocket && JSON.parse(ev.data).reliable) {
                                ++numSockets;
                                t.pass('server should indicate first socket as reliable one');
                            }
                            if (!firstSocket && !JSON.parse(ev.data).reliable) {
                                ++numSockets;
                            }
                            if (numSockets === numSocketsToOpen) {
                                t.pass('server should indicate other sockets as unreliable ones');
                            }
                            if (numSockets > numSocketsToOpen) {
                                t.fail("should not open more than " + numSocketsToOpen + " sockets");
                            }
                        }
                    };
                    socket.send(JSON.stringify({ sessionId: sessionId }));
                };
            }
            for (var i = 0; i < numSocketsToOpen; ++i) {
                openSocket();
            }
        },
        connection: noop,
        close: noop,
    });
    server.listen(function () {
        url = "ws://" + ip.address() + ":" + server.address().port;
    });
});
test('socketServer.close() - when INIT', function (t) {
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.close();
    t.equals(socketServer.state, socket_1.MuSocketServerState.SHUTDOWN, 'should change server state to SHUTDOWN');
    t.end();
});
test('socketServer.close() - when RUNNING', function (t) {
    var socketServer = new server_1.MuWebSocketServer({ server: server });
    socketServer.start({
        ready: function () {
            socketServer.close();
            t.equals(socketServer.state, socket_1.MuSocketServerState.SHUTDOWN, 'should change server state to SHUTDOWN');
        },
        connection: noop,
        close: function (error) {
            t.equals(error, undefined, 'should invoke close handler without error message');
            t.end();
        },
    });
});
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