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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertNotEquals,
assertRejects,
assertThrows,
unreachable,
} from "../../../test_util/std/testing/asserts.ts";
Deno.test("fragment", () => {
assertThrows(() => new WebSocketStream("ws://localhost:4242/#"));
assertThrows(() => new WebSocketStream("ws://localhost:4242/#foo"));
});
Deno.test("duplicate protocols", () => {
assertThrows(() =>
new WebSocketStream("ws://localhost:4242", {
protocols: ["foo", "foo"],
})
);
});
Deno.test("connect & close custom valid code", async () => {
const ws = new WebSocketStream("ws://localhost:4242");
await ws.connection;
ws.close({ code: 1000 });
await ws.closed;
});
Deno.test("connect & close custom invalid reason", async () => {
const ws = new WebSocketStream("ws://localhost:4242");
await ws.connection;
assertThrows(() => ws.close({ code: 1000, reason: "".padEnd(124, "o") }));
ws.close();
await ws.closed;
});
Deno.test("echo string", async () => {
const ws = new WebSocketStream("ws://localhost:4242");
const { readable, writable } = await ws.connection;
await writable.getWriter().write("foo");
const res = await readable.getReader().read();
assertEquals(res.value, "foo");
ws.close();
await ws.closed;
});
Deno.test("echo string tls", async () => {
const ws = new WebSocketStream("wss://localhost:4243");
const { readable, writable } = await ws.connection;
await writable.getWriter().write("foo");
const res = await readable.getReader().read();
assertEquals(res.value, "foo");
ws.close();
await ws.closed;
});
Deno.test("websocket error", async () => {
const ws = new WebSocketStream("wss://localhost:4242");
await Promise.all([
assertRejects(
() => ws.connection,
Deno.errors.UnexpectedEof,
"tls handshake eof",
),
assertRejects(
() => ws.closed,
Deno.errors.UnexpectedEof,
"tls handshake eof",
),
]);
});
Deno.test("echo uint8array", async () => {
const ws = new WebSocketStream("ws://localhost:4242");
const { readable, writable } = await ws.connection;
const uint = new Uint8Array([102, 111, 111]);
await writable.getWriter().write(uint);
const res = await readable.getReader().read();
assertEquals(res.value, uint);
ws.close();
await ws.closed;
});
Deno.test("aborting immediately throws an AbortError", async () => {
const controller = new AbortController();
const wss = new WebSocketStream("ws://localhost:4242", {
signal: controller.signal,
});
controller.abort();
await assertRejects(
() => wss.connection,
(error: Error) => {
assert(error instanceof DOMException);
assertEquals(error.name, "AbortError");
},
);
await assertRejects(
() => wss.closed,
(error: Error) => {
assert(error instanceof DOMException);
assertEquals(error.name, "AbortError");
},
);
});
Deno.test("aborting immediately with a reason throws that reason", async () => {
const controller = new AbortController();
const wss = new WebSocketStream("ws://localhost:4242", {
signal: controller.signal,
});
const abortReason = new Error();
controller.abort(abortReason);
await assertRejects(
() => wss.connection,
(error: Error) => assertEquals(error, abortReason),
);
await assertRejects(
() => wss.closed,
(error: Error) => assertEquals(error, abortReason),
);
});
Deno.test("aborting immediately with a primitive as reason throws that primitive", async () => {
const controller = new AbortController();
const wss = new WebSocketStream("ws://localhost:4242", {
signal: controller.signal,
});
controller.abort("Some string");
await wss.connection.then(
() => unreachable(),
(e) => assertEquals(e, "Some string"),
);
await wss.closed.then(
() => unreachable(),
(e) => assertEquals(e, "Some string"),
);
});
Deno.test("headers", async () => {
const listener = Deno.listen({ port: 4512 });
const promise = (async () => {
const conn = await listener.accept();
const httpConn = Deno.serveHttp(conn);
const { request, respondWith } = (await httpConn.nextRequest())!;
assertEquals(request.headers.get("x-some-header"), "foo");
const { response, socket } = Deno.upgradeWebSocket(request);
socket.onopen = () => socket.close();
const p = new Promise<void>((resolve) => {
socket.onopen = () => socket.close();
socket.onclose = () => resolve();
});
await respondWith(response);
await p;
})();
const ws = new WebSocketStream("ws://localhost:4512", {
headers: [["x-some-header", "foo"]],
});
await ws.connection;
await promise;
await ws.closed;
listener.close();
});
Deno.test("forbidden headers", async () => {
const forbiddenHeaders = [
"sec-websocket-accept",
"sec-websocket-extensions",
"sec-websocket-key",
"sec-websocket-protocol",
"sec-websocket-version",
"upgrade",
"connection",
];
const listener = Deno.listen({ port: 4512 });
const promise = (async () => {
const conn = await listener.accept();
const httpConn = Deno.serveHttp(conn);
const { request, respondWith } = (await httpConn.nextRequest())!;
for (const [key] of request.headers) {
assertNotEquals(key, "foo");
}
const { response, socket } = Deno.upgradeWebSocket(request);
const p = new Promise<void>((resolve) => {
socket.onopen = () => socket.close();
socket.onclose = () => resolve();
});
await respondWith(response);
await p;
})();
const ws = new WebSocketStream("ws://localhost:4512", {
headers: forbiddenHeaders.map((header) => [header, "foo"]),
});
await ws.connection;
await promise;
await ws.closed;
listener.close();
});
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