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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, assertThrows, unitTest } from "./test_util.ts";
unitTest(function resourcesCloseBadArgs() {
assertThrows(() => {
Deno.close((null as unknown) as number);
}, TypeError);
});
unitTest(function resourcesStdio() {
const res = Deno.resources();
assertEquals(res[0], "stdin");
assertEquals(res[1], "stdout");
assertEquals(res[2], "stderr");
});
unitTest({ perms: { net: true } }, async function resourcesNet() {
const listener = Deno.listen({ port: 4501 });
const dialerConn = await Deno.connect({ port: 4501 });
const listenerConn = await listener.accept();
const res = Deno.resources();
assertEquals(
Object.values(res).filter((r): boolean => r === "tcpListener").length,
1,
);
const tcpStreams = Object.values(res).filter(
(r): boolean => r === "tcpStream",
);
assert(tcpStreams.length >= 2);
listenerConn.close();
dialerConn.close();
listener.close();
});
unitTest({ perms: { read: true } }, async function resourcesFile() {
const resourcesBefore = Deno.resources();
const f = await Deno.open("cli/tests/testdata/hello.txt");
const resourcesAfter = Deno.resources();
f.close();
// check that exactly one new resource (file) was added
assertEquals(
Object.keys(resourcesAfter).length,
Object.keys(resourcesBefore).length + 1,
);
const newRid = +Object.keys(resourcesAfter).find((rid): boolean => {
return !resourcesBefore.hasOwnProperty(rid);
})!;
assertEquals(resourcesAfter[newRid], "fsFile");
});
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