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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertThrows,
deferred,
fail,
} from "./test_util.ts";
const servePort = 4248;
const serveUrl = `ws://localhost:${servePort}/`;
Deno.test({ permissions: "none" }, function websocketPermissionless() {
assertThrows(
() => new WebSocket("ws://localhost"),
Deno.errors.PermissionDenied,
);
});
Deno.test(async function websocketConstructorTakeURLObjectAsParameter() {
const promise = deferred();
const ws = new WebSocket(new URL("ws://localhost:4242/"));
assertEquals(ws.url, "ws://localhost:4242/");
ws.onerror = () => fail();
ws.onopen = () => ws.close();
ws.onclose = () => {
promise.resolve();
};
await promise;
});
// https://github.com/denoland/deno/pull/17762
// https://github.com/denoland/deno/issues/17761
Deno.test(async function websocketPingPong() {
const promise = deferred();
const ws = new WebSocket("ws://localhost:4245/");
assertEquals(ws.url, "ws://localhost:4245/");
ws.onerror = () => fail();
ws.onmessage = (e) => {
ws.send(e.data);
};
ws.onclose = () => {
promise.resolve();
};
await promise;
ws.close();
});
// TODO(mmastrac): This requires us to ignore bad certs
// Deno.test(async function websocketSecureConnect() {
// const promise = deferred();
// const ws = new WebSocket("wss://localhost:4243/");
// assertEquals(ws.url, "wss://localhost:4243/");
// ws.onerror = (error) => {
// console.log(error);
// fail();
// };
// ws.onopen = () => ws.close();
// ws.onclose = () => {
// promise.resolve();
// };
// await promise;
// });
// https://github.com/denoland/deno/issues/18700
Deno.test(
{ sanitizeOps: false, sanitizeResources: false },
async function websocketWriteLock() {
const ac = new AbortController();
const listeningPromise = deferred();
const server = Deno.serve({
handler: (req) => {
const { socket, response } = Deno.upgradeWebSocket(req);
socket.onopen = function () {
setTimeout(() => socket.send("Hello"), 500);
};
socket.onmessage = function (e) {
assertEquals(e.data, "Hello");
ac.abort();
};
return response;
},
signal: ac.signal,
onListen: () => listeningPromise.resolve(),
hostname: "localhost",
port: servePort,
});
await listeningPromise;
const promise = deferred();
const ws = new WebSocket(serveUrl);
assertEquals(ws.url, serveUrl);
ws.onerror = () => fail();
ws.onmessage = (e) => {
assertEquals(e.data, "Hello");
setTimeout(() => {
ws.send(e.data);
}, 1000);
promise.resolve();
};
ws.onclose = () => {
promise.resolve();
};
await Promise.all([promise, server.finished]);
ws.close();
},
);
// https://github.com/denoland/deno/issues/18775
Deno.test({
sanitizeOps: false,
sanitizeResources: false,
}, async function websocketDoubleClose() {
const promise = deferred();
const ac = new AbortController();
const listeningPromise = deferred();
const server = Deno.serve({
handler: (req) => {
const { response, socket } = Deno.upgradeWebSocket(req);
let called = false;
socket.onopen = () => socket.send("Hello");
socket.onmessage = () => {
assert(!called);
called = true;
socket.send("bye");
socket.close();
};
socket.onclose = () => ac.abort();
socket.onerror = () => fail();
return response;
},
signal: ac.signal,
onListen: () => listeningPromise.resolve(),
hostname: "localhost",
port: servePort,
});
await listeningPromise;
const ws = new WebSocket(serveUrl);
assertEquals(ws.url, serveUrl);
ws.onerror = () => fail();
ws.onmessage = () => ws.send("bye");
ws.onclose = () => {
promise.resolve();
};
await Promise.all([promise, server.finished]);
});
// https://github.com/denoland/deno/issues/19483
Deno.test({
sanitizeOps: false,
sanitizeResources: false,
}, async function websocketCloseFlushes() {
const promise = deferred();
const ac = new AbortController();
const listeningPromise = deferred();
const server = Deno.serve({
handler: (req) => {
const { response, socket } = Deno.upgradeWebSocket(req);
socket.onopen = () => socket.send("Hello");
socket.onmessage = () => {
socket.send("Bye");
socket.close();
};
socket.onclose = () => ac.abort();
socket.onerror = () => fail();
return response;
},
signal: ac.signal,
onListen: () => listeningPromise.resolve(),
hostname: "localhost",
port: servePort,
});
await listeningPromise;
const ws = new WebSocket(serveUrl);
assertEquals(ws.url, serveUrl);
let seenBye = false;
ws.onerror = () => fail();
ws.onmessage = ({ data }) => {
if (data == "Hello") {
ws.send("Hello!");
} else {
assertEquals(data, "Bye");
seenBye = true;
}
};
ws.onclose = () => {
promise.resolve();
};
await Promise.all([promise, server.finished]);
assert(seenBye);
});
Deno.test(
{ sanitizeOps: false },
function websocketConstructorWithPrototypePollution() {
const originalSymbolIterator = Array.prototype[Symbol.iterator];
try {
Array.prototype[Symbol.iterator] = () => {
throw Error("unreachable");
};
assertThrows(() => {
new WebSocket(
new URL("ws://localhost:4242/"),
// Allow `Symbol.iterator` to be called in WebIDL conversion to `sequence<DOMString>`
// deno-lint-ignore no-explicit-any
["soap", "soap"].values() as any,
);
}, DOMException);
} finally {
Array.prototype[Symbol.iterator] = originalSymbolIterator;
}
},
);
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