mirror of
https://github.com/denoland/deno.git
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416 lines
12 KiB
TypeScript
416 lines
12 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import {
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assert,
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assertEquals,
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assertObjectMatch,
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assertThrows,
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fail,
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} from "@std/assert/mod.ts";
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import { fromFileUrl, relative, SEPARATOR } from "@std/path/mod.ts";
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import * as workerThreads from "node:worker_threads";
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import { EventEmitter, once } from "node:events";
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Deno.test("[node/worker_threads] BroadcastChannel is exported", () => {
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assertEquals<unknown>(workerThreads.BroadcastChannel, BroadcastChannel);
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});
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Deno.test("[node/worker_threads] MessageChannel are MessagePort are exported", () => {
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assertEquals<unknown>(workerThreads.MessageChannel, MessageChannel);
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assertEquals<unknown>(workerThreads.MessagePort, MessagePort);
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});
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Deno.test({
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name: "[node/worker_threads] isMainThread",
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fn() {
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assertEquals(workerThreads.isMainThread, true);
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},
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});
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Deno.test({
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name: "[node/worker_threads] threadId",
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fn() {
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assertEquals(workerThreads.threadId, 0);
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},
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});
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Deno.test({
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name: "[node/worker_threads] resourceLimits",
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fn() {
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assertObjectMatch(workerThreads.resourceLimits, {});
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},
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});
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Deno.test({
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name: "[node/worker_threads] parentPort",
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fn() {
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assertEquals(workerThreads.parentPort, null);
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},
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});
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Deno.test({
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name: "[node/worker_threads] workerData",
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fn() {
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assertEquals(workerThreads.workerData, null);
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},
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});
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Deno.test({
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name: "[node/worker_threads] setEnvironmentData / getEnvironmentData",
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fn() {
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workerThreads.setEnvironmentData("test", "test");
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assertEquals(workerThreads.getEnvironmentData("test"), "test");
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},
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});
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Deno.test({
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name: "[node/worker_threads] Worker threadId",
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async fn() {
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_threads.mjs", import.meta.url),
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);
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worker.postMessage("Hello, how are you my thread?");
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await once(worker, "message");
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const message = await once(worker, "message");
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assertEquals(message[0].threadId, 1);
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worker.terminate();
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const worker1 = new workerThreads.Worker(
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new URL("./testdata/worker_threads.mjs", import.meta.url),
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);
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worker1.postMessage("Hello, how are you my thread?");
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await once(worker1, "message");
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assertEquals((await once(worker1, "message"))[0].threadId, 2);
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worker1.terminate();
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},
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});
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Deno.test({
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name: "[node/worker_threads] Worker basics",
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async fn() {
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workerThreads.setEnvironmentData("test", "test");
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workerThreads.setEnvironmentData(1, {
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test: "random",
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random: "test",
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});
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const { port1 } = new MessageChannel();
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_threads.mjs", import.meta.url),
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{
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workerData: ["hey", true, false, 2, port1],
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// deno-lint-ignore no-explicit-any
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transferList: [port1 as any],
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},
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);
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worker.postMessage("Hello, how are you my thread?");
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assertEquals((await once(worker, "message"))[0], "I'm fine!");
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const data = (await once(worker, "message"))[0];
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// data.threadId can be 1 when this test is run individually
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if (data.threadId === 1) data.threadId = 3;
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assertObjectMatch(data, {
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isMainThread: false,
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threadId: 3,
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workerData: ["hey", true, false, 2],
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envData: ["test", { test: "random", random: "test" }],
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});
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worker.terminate();
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},
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sanitizeResources: false,
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});
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Deno.test({
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name: "[node/worker_threads] Worker eval",
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async fn() {
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const worker = new workerThreads.Worker(
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`
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import { parentPort } from "node:worker_threads";
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parentPort.postMessage("It works!");
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`,
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{
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eval: true,
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},
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);
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assertEquals((await once(worker, "message"))[0], "It works!");
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worker.terminate();
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},
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});
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Deno.test({
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name: "[node/worker_threads] worker thread with type module",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_module/index.js", import.meta.url),
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] worker thread in nested module",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_module/nested/index.js", import.meta.url),
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] .cjs worker file within module",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_module/cjs-file.cjs", import.meta.url),
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] relativ path string",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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"./tests/unit_node/testdata/worker_module/index.js",
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] utf-8 path string",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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"./tests/unit_node/testdata/worker_module/βάρβαροι.js",
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] utf-8 path URL",
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async fn() {
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function p() {
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return new Promise<workerThreads.Worker>((resolve, reject) => {
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const worker = new workerThreads.Worker(
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new URL(
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"./testdata/worker_module/βάρβαροι.js",
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import.meta.url,
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),
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);
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worker.on("error", (e) => reject(e.message));
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worker.on("message", () => resolve(worker));
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});
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}
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await p();
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},
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});
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Deno.test({
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name: "[node/worker_threads] throws on relativ path without leading dot",
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fn() {
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assertThrows(
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() => {
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new workerThreads.Worker(
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"tests/unit_node/testdata/worker_module/index.js",
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);
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},
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);
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},
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});
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Deno.test({
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name: "[node/worker_threads] throws on unsupported URL protcol",
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fn() {
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assertThrows(
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() => {
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new workerThreads.Worker(new URL("https://example.com"));
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},
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);
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},
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});
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Deno.test({
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name: "[node/worker_threads] throws on non-existend file",
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fn() {
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assertThrows(
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() => {
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new workerThreads.Worker(new URL("file://very/unlikely"));
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},
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);
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},
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});
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Deno.test({
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name: "[node/worker_threads] inheritances",
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async fn() {
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const worker = new workerThreads.Worker(
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`
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import { EventEmitter } from "node:events";
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import { parentPort } from "node:worker_threads";
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parentPort.postMessage(parentPort instanceof EventTarget);
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await new Promise(resolve => setTimeout(resolve, 100));
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parentPort.postMessage(parentPort instanceof EventEmitter);
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`,
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{
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eval: true,
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},
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);
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assertEquals((await once(worker, "message"))[0], true);
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assertEquals((await once(worker, "message"))[0], false);
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assert(worker instanceof EventEmitter);
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assert(!(worker instanceof EventTarget));
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worker.terminate();
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},
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});
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Deno.test({
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name: "[node/worker_threads] Worker workerData",
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async fn() {
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_threads.mjs", import.meta.url),
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{
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workerData: null,
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},
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);
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worker.postMessage("Hello, how are you my thread?");
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await once(worker, "message");
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assertEquals((await once(worker, "message"))[0].workerData, null);
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worker.terminate();
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const worker1 = new workerThreads.Worker(
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new URL("./testdata/worker_threads.mjs", import.meta.url),
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);
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worker1.postMessage("Hello, how are you my thread?");
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await once(worker1, "message");
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assertEquals((await once(worker1, "message"))[0].workerData, undefined);
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worker1.terminate();
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},
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});
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Deno.test({
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name: "[node/worker_threads] Worker with relative path",
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async fn() {
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const worker = new workerThreads.Worker(
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`.${SEPARATOR}` + relative(
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Deno.cwd(),
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fromFileUrl(new URL("./testdata/worker_threads.mjs", import.meta.url)),
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),
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);
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worker.postMessage("Hello, how are you my thread?");
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assertEquals((await once(worker, "message"))[0], "I'm fine!");
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worker.terminate();
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},
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});
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Deno.test({
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name: "[node/worker_threads] unref",
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async fn() {
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const timeout = setTimeout(() => fail("Test timed out"), 60_000);
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const child = new Deno.Command(Deno.execPath(), {
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args: [
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"eval",
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"import { Worker } from 'node:worker_threads'; new Worker('setTimeout(() => {}, 1_000_000)', {eval:true}).unref();",
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],
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}).spawn();
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await child.status;
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clearTimeout(timeout);
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},
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});
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Deno.test({
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name: "[node/worker_threads] SharedArrayBuffer",
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async fn() {
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const sab = new SharedArrayBuffer(Uint8Array.BYTES_PER_ELEMENT);
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const uint = new Uint8Array(sab);
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const worker = new workerThreads.Worker(
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new URL("./testdata/worker_threads2.mjs", import.meta.url),
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{
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workerData: { sharedArrayBuffer: sab },
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},
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);
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worker.postMessage("Hello");
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if ((await once(worker, "message"))[0] != "Hello") throw new Error();
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await new Promise((resolve) => setTimeout(resolve, 100));
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worker.terminate();
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if (uint[0] != 1) throw new Error();
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},
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sanitizeResources: false,
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});
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Deno.test({
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name: "[node/worker_threads] Worker workerData with MessagePort",
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async fn() {
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const { port1: mainPort, port2: workerPort } = new workerThreads
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.MessageChannel();
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const deferred = Promise.withResolvers<void>();
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const worker = new workerThreads.Worker(
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`
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import {
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isMainThread,
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MessageChannel,
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parentPort,
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receiveMessageOnPort,
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Worker,
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workerData,
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} from "node:worker_threads";
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parentPort.on("message", (msg) => {
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/* console.log("message from main", msg); */
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parentPort.postMessage("Hello from worker on parentPort!");
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workerData.workerPort.postMessage("Hello from worker on workerPort!");
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});
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`,
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{
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eval: true,
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workerData: { workerPort },
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transferList: [workerPort],
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},
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);
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worker.on("message", (data) => {
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assertEquals(data, "Hello from worker on parentPort!");
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// TODO(bartlomieju): it would be better to use `mainPort.on("message")`,
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// but we currently don't support it.
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// https://github.com/denoland/deno/issues/22951
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// Wait a bit so the message can arrive.
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setTimeout(() => {
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const msg = workerThreads.receiveMessageOnPort(mainPort)!.message;
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assertEquals(msg, "Hello from worker on workerPort!");
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deferred.resolve();
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}, 500);
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});
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worker.postMessage("Hello from parent");
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await deferred.promise;
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await worker.terminate();
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mainPort.close();
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},
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});
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