2023-02-14 20:49:59 +01:00

118 lines
3.3 KiB
TypeScript

import { describe, expect, it } from "@jest/globals";
import { Client } from "../../../../src/models/client";
import { TransmissionHandler } from "../../../../src/messageHandler/handlers";
import { Realm } from "../../../../src/models/realm";
import { MessageType } from "../../../../src/enums";
import type WebSocket from "ws";
const createFakeSocket = (): WebSocket => {
/* eslint-disable @typescript-eslint/no-empty-function */
const sock = {
send: (): void => {},
close: (): void => {},
on: (): void => {},
};
/* eslint-enable @typescript-eslint/no-empty-function */
return sock as unknown as WebSocket;
};
describe("Transmission handler", () => {
it("should save message in queue when destination client not connected", () => {
const realm = new Realm();
const handleTransmission = TransmissionHandler({ realm });
const clientFrom = new Client({ id: "id1", token: "" });
const idTo = "id2";
realm.setClient(clientFrom, clientFrom.getId());
handleTransmission(clientFrom, {
type: MessageType.OFFER,
src: clientFrom.getId(),
dst: idTo,
});
expect(realm.getMessageQueueById(idTo)?.getMessages().length).toBe(1);
});
it("should not save LEAVE and EXPIRE messages in queue when destination client not connected", () => {
const realm = new Realm();
const handleTransmission = TransmissionHandler({ realm });
const clientFrom = new Client({ id: "id1", token: "" });
const idTo = "id2";
realm.setClient(clientFrom, clientFrom.getId());
handleTransmission(clientFrom, {
type: MessageType.LEAVE,
src: clientFrom.getId(),
dst: idTo,
});
handleTransmission(clientFrom, {
type: MessageType.EXPIRE,
src: clientFrom.getId(),
dst: idTo,
});
expect(realm.getMessageQueueById(idTo)).toBeUndefined();
});
it("should send message to destination client when destination client connected", () => {
const realm = new Realm();
const handleTransmission = TransmissionHandler({ realm });
const clientFrom = new Client({ id: "id1", token: "" });
const clientTo = new Client({ id: "id2", token: "" });
const socketTo = createFakeSocket();
clientTo.setSocket(socketTo);
realm.setClient(clientTo, clientTo.getId());
let sent = false;
socketTo.send = (): void => {
sent = true;
};
handleTransmission(clientFrom, {
type: MessageType.OFFER,
src: clientFrom.getId(),
dst: clientTo.getId(),
});
expect(sent).toBe(true);
});
it("should send LEAVE message to source client when sending to destination client failed", () => {
const realm = new Realm();
const handleTransmission = TransmissionHandler({ realm });
const clientFrom = new Client({ id: "id1", token: "" });
const clientTo = new Client({ id: "id2", token: "" });
const socketFrom = createFakeSocket();
const socketTo = createFakeSocket();
clientFrom.setSocket(socketFrom);
clientTo.setSocket(socketTo);
realm.setClient(clientFrom, clientFrom.getId());
realm.setClient(clientTo, clientTo.getId());
let sent = false;
socketFrom.send = (data: string): void => {
if (JSON.parse(data)?.type === MessageType.LEAVE) {
sent = true;
}
};
socketTo.send = (): void => {
throw Error();
};
handleTransmission(clientFrom, {
type: MessageType.OFFER,
src: clientFrom.getId(),
dst: clientTo.getId(),
});
expect(sent).toBe(true);
});
});