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'use strict';
const common = require('../common');
const child_process = require('child_process');
const assert = require('assert');
const { Worker, workerData } = require('worker_threads');
// Test for https://github.com/nodejs/node/issues/24947.
if (!workerData && process.argv[2] !== 'child') {
process.env.SET_IN_PARENT = 'set';
assert.strictEqual(process.env.SET_IN_PARENT, 'set');
new Worker(__filename, { workerData: 'runInWorker' })
.on('exit', common.mustCall(() => {
// Env vars from the child thread are not set globally.
assert.strictEqual(process.env.SET_IN_WORKER, undefined);
}));
process.env.SET_IN_PARENT_AFTER_CREATION = 'set';
new Worker(__filename, {
workerData: 'resetEnv',
env: { 'MANUALLY_SET': true }
});
common.expectsError(() => {
new Worker(__filename, { env: 42 });
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "options.env" property must be one of type object, ' +
'undefined, null, or worker_threads.SHARE_ENV. Received type number'
});
} else if (workerData === 'runInWorker') {
// Env vars from the parent thread are inherited.
assert.strictEqual(process.env.SET_IN_PARENT, 'set');
assert.strictEqual(process.env.SET_IN_PARENT_AFTER_CREATION, undefined);
process.env.SET_IN_WORKER = 'set';
assert.strictEqual(process.env.SET_IN_WORKER, 'set');
Object.defineProperty(process.env, 'DEFINED_IN_WORKER', { value: 42 });
assert.strictEqual(process.env.DEFINED_IN_WORKER, '42');
const { stderr } =
child_process.spawnSync(process.execPath, [__filename, 'child']);
assert.strictEqual(stderr.toString(), '', stderr.toString());
} else if (workerData === 'resetEnv') {
assert.deepStrictEqual(Object.keys(process.env), ['MANUALLY_SET']);
assert.strictEqual(process.env.MANUALLY_SET, 'true');
} else {
// Child processes inherit the parent's env, even from Workers.
assert.strictEqual(process.env.SET_IN_PARENT, 'set');
assert.strictEqual(process.env.SET_IN_WORKER, 'set');
}