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import { describe, it, expect } from "bun:test";
import { io as ioc } from "socket.io-client";
import { join } from "path";
import { createServer } from "http";
import { createClient, getPort, success, fail, eioHandshake, eioPoll, eioPush } from "./support/util.ts";
import { Server } from "socket.io";
import { exec, ChildProcess } from "child_process";
// Hanging tests are disabled because they cause the test suite to hang
describe("close", () => {
it.skip("should be able to close sio sending a srv", done => {
const httpServer = createServer().listen(0);
const io = new Server(httpServer);
const port = getPort(io);
const net = require("net");
const server = net.createServer();
const clientSocket = createClient(io, "/", { reconnection: false });
let timeout = setTimeout(() => {
fail(done, io, new Error("timeout"), clientSocket);
}, 200);
clientSocket.on("disconnect", () => {
try {
expect(io.sockets.sockets.size).toBe(0);
} catch (err) {
fail(done, io, err, clientSocket);
}
server.listen(port);
});
clientSocket.on("connect", () => {
try {
expect(io.sockets.sockets.size).toBe(1);
io.close();
} catch (err) {
fail(done, io, err, clientSocket);
}
});
server.once("listening", () => {
// PORT should be free
server.close((error: any) => {
clearTimeout(timeout);
try {
expect(error).toBe(undefined);
success(done, io, clientSocket);
} catch (err) {
fail(done, io, err, clientSocket);
}
});
});
});
it.skip("should be able to close sio sending a srv", done => {
const io = new Server(0);
const port = getPort(io);
const net = require("net");
const server = net.createServer();
const clientSocket = ioc("ws://0.0.0.0:" + port, {
reconnection: false,
});
let timeout = setTimeout(() => {
fail(done, io, new Error("timeout"), clientSocket);
}, 200);
clientSocket.on("disconnect", () => {
try {
expect(io.sockets.sockets.size).toBe(0);
} catch (err) {
fail(done, io, err, clientSocket);
}
server.listen(port);
});
clientSocket.on("connect", () => {
try {
expect(io.sockets.sockets.size).toBe(1);
io.close();
} catch (err) {
fail(done, io, err, clientSocket);
}
});
server.once("listening", () => {
// PORT should be free
server.close((error: any) => {
clearTimeout(timeout);
try {
expect(error).toBe(undefined);
success(done, io, clientSocket);
} catch (err) {
fail(done, io, err, clientSocket);
}
});
});
});
describe("graceful close", () => {
function fixture(filename: string) {
return '"' + process.execPath + '" "' + join(__dirname, "fixtures", filename) + '"';
}
// TODO failing on macOS
it.skip("should stop socket and timers", done => {
let process: ChildProcess;
const timeout = setTimeout(() => {
process?.kill();
done(new Error("timeout"));
}, 3000);
process = exec(fixture("server-close.ts"), err => {
clearTimeout(timeout);
done(err);
});
});
});
describe("protocol violations", () => {
it("should close the connection when receiving several CONNECT packets", done => {
const httpServer = createServer();
const io = new Server(httpServer);
httpServer.listen(0);
let timeout = setTimeout(() => {
fail(done, io, new Error("timeout"));
}, 1500);
(async () => {
const sid = await eioHandshake(httpServer);
// send a first CONNECT packet
await eioPush(httpServer, sid, "40");
// send another CONNECT packet
await eioPush(httpServer, sid, "40");
// session is cleanly closed (not discarded, see 'client.close()')
// first, we receive the Socket.IO handshake response
await eioPoll(httpServer, sid);
// then a close packet
return await eioPoll(httpServer, sid);
})().then(body => {
clearTimeout(timeout);
try {
expect(body).toBe("6\u001e1");
io.close();
success(done, io);
} catch (err) {
fail(done, io, err);
}
});
});
it("should close the connection when receiving an EVENT packet while not connected", done => {
const httpServer = createServer();
const io = new Server(httpServer);
httpServer.listen(0);
let timeout = setTimeout(() => {
fail(done, io, new Error("timeout"));
}, 1500);
(async () => {
const sid = await eioHandshake(httpServer);
// send an EVENT packet
await eioPush(httpServer, sid, '42["some event"]');
// session is cleanly closed, we receive a close packet
return await eioPoll(httpServer, sid);
})().then(body => {
clearTimeout(timeout);
try {
expect(body).toBe("6\u001e1");
io.close();
success(done, io);
} catch (err) {
fail(done, io, err);
}
});
});
it.skip("should close the connection when receiving an invalid packet", done => {
const httpServer = createServer();
const io = new Server(httpServer);
httpServer.listen(0);
let timeout = setTimeout(() => {
fail(done, io, new Error("timeout"));
}, 1500);
(async () => {
const sid = await eioHandshake(httpServer);
// send a CONNECT packet
await eioPush(httpServer, sid, "40");
// send an invalid packet
await eioPush(httpServer, sid, "4abc");
// session is cleanly closed (not discarded, see 'client.close()')
// first, we receive the Socket.IO handshake response
await eioPoll(httpServer, sid);
// then a close packet
return await eioPoll(httpServer, sid);
})().then(body => {
clearTimeout(timeout);
try {
expect(body).toBe("6\u001e1");
io.close();
success(done, io);
} catch (err) {
fail(done, io, err);
}
});
});
});
});
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