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bun.sh/test/js/node/test/parallel/child-process-fork-ref2.test.js
2024-08-22 18:00:25 -07:00

70 lines
2.4 KiB
JavaScript

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