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denoland-deno/js/resources_test.ts
Ryan Dahl c42a9d7370
Upgrade deno_std (#1892)
A major API change was that asserts are imported from testing/asserts.ts
now rather than testing/mod.ts and assertEqual as renamed to
assertEquals to conform to what is most common in JavaScript.
2019-03-06 20:48:46 -05:00

42 lines
1.3 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test, testPerm, assertEquals } from "./test_util.ts";
test(function resourcesStdio() {
const res = Deno.resources();
assertEquals(res[0], "stdin");
assertEquals(res[1], "stdout");
assertEquals(res[2], "stderr");
});
testPerm({ net: true }, async function resourcesNet() {
const addr = "127.0.0.1:4501";
const listener = Deno.listen("tcp", addr);
const dialerConn = await Deno.dial("tcp", addr);
const listenerConn = await listener.accept();
const res = Deno.resources();
assertEquals(Object.values(res).filter(r => r === "tcpListener").length, 1);
assertEquals(Object.values(res).filter(r => r === "tcpStream").length, 2);
listenerConn.close();
dialerConn.close();
listener.close();
});
testPerm({ read: true }, async function resourcesFile() {
const resourcesBefore = Deno.resources();
await Deno.open("tests/hello.txt");
const resourcesAfter = Deno.resources();
// 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 => {
return !resourcesBefore.hasOwnProperty(rid);
});
assertEquals(resourcesAfter[newRid], "fsFile");
});