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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrows, deferred, fail } from "./test_util.ts";
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();
});
// 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: 4246,
});
await listeningPromise;
const promise = deferred();
const ws = new WebSocket("ws://localhost:4246/");
assertEquals(ws.url, "ws://localhost:4246/");
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]);
ws.close();
},
);
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