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fix: add io ops to worker to fix fetch (#4054)

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Bartek Iwańczuk 2020-02-21 10:35:41 -05:00 • committed by GitHub
parent 6dd9643845
commit d9efb8c02a
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5 changed files with 37 additions and 4 deletions
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23
cli/js/workers_test.ts
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@ -1,5 +1,5 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { test, assert, assertEquals } from "./test_util.ts";
import { test, testPerm, assert, assertEquals } from "./test_util.ts";
export interface ResolvableMethods<T> {
resolve: (value?: T | PromiseLike<T>) => void;
@ -82,3 +82,24 @@ test(async function workerThrowsWhenExecuting(): Promise<void> {
await promise;
});
testPerm({ net: true }, async function workerCanUseFetch(): Promise<void> {
const promise = createResolvable();
const fetchingWorker = new Worker("../tests/subdir/fetching_worker.js", {
type: "module"
});
// eslint-disable-next-line @typescript-eslint/no-explicit-any
fetchingWorker.onerror = (e: any): void => {
e.preventDefault();
promise.reject(e.message);
};
fetchingWorker.onmessage = (e): void => {
assert(e.data === "Done!");
promise.resolve();
};
await promise;
});