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https://github.com/oven-sh/bun
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70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
//#FILE: test-child-process-fork-ref2.js
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//#SHA1: 6d8a2bec4198f9d9f71ce9f2cc880cfcd1c9d883
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//-----------------
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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"use strict";
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const { fork } = require("child_process");
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const { debuglog } = require("util");
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const debug = debuglog("test");
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const platformTimeout = ms => ms;
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if (process.argv[2] === "child") {
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test("child process", () => {
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debug("child -> call disconnect");
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process.disconnect();
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return new Promise(resolve => {
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setTimeout(() => {
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debug("child -> will this keep it alive?");
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const mockFn = jest.fn();
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process.on("message", mockFn);
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expect(mockFn).not.toHaveBeenCalled();
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resolve();
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}, platformTimeout(400));
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});
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});
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} else {
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test("parent process", () => {
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return new Promise(resolve => {
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const child = fork(__filename, ["child"]);
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const disconnectSpy = jest.fn(() => {
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debug("parent -> disconnect");
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});
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child.on("disconnect", disconnectSpy);
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const exitSpy = jest.fn(() => {
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debug("parent -> exit");
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expect(disconnectSpy).toHaveBeenCalledTimes(1);
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resolve();
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});
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child.once("exit", exitSpy);
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expect(exitSpy).toHaveBeenCalledTimes(0);
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});
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});
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}
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//<#END_FILE: test-child-process-fork-ref2.js
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