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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-cluster-fork-windowsHide.js |
'use strict';
const common = require('../common');
const assert = require('assert');
const child_process = require('child_process');
const cluster = require('cluster');
if (!process.argv[2]) {
// It seems Windows only allocate new console window for
// attaching processes spawned by detached processes. i.e.
// - If process D is spawned by process C with `detached: true`,
// and process W is spawned by process D with `detached: false`,
// W will get a new black console window popped up.
// - If D is spawned by C with `detached: false` or W is spawned
// by D with `detached: true`, no console window will pop up for W.
//
// So, we have to spawn a detached process first to run the actual test.
const primary = child_process.spawn(
process.argv[0],
[process.argv[1], '--cluster'],
{ detached: true, stdio: ['ignore', 'ignore', 'ignore', 'ipc'] });
const messageHandlers = {
workerOnline: common.mustCall((msg) => {
}),
mainWindowHandle: common.mustCall((msg) => {
assert.match(msg.value, /0\s*/);
}),
workerExit: common.mustCall((msg) => {
assert.strictEqual(msg.code, 0);
assert.strictEqual(msg.signal, null);
})
};
primary.on('message', (msg) => {
const handler = messageHandlers[msg.type];
assert.ok(handler);
handler(msg);
});
primary.on('exit', common.mustCall((code, signal) => {
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}));
} else if (cluster.isPrimary) {
cluster.setupPrimary({
silent: true,
windowsHide: true
});
const worker = cluster.fork();
worker.on('exit', (code, signal) => {
process.send({ type: 'workerExit', code: code, signal: signal });
});
worker.on('online', (msg) => {
process.send({ type: 'workerOnline' });
let output = '0';
if (process.platform === 'win32') {
output = child_process.execSync(
'powershell -NoProfile -c ' +
`"(Get-Process -Id ${worker.process.pid}).MainWindowHandle"`,
{ windowsHide: true, encoding: 'utf8' });
}
process.send({ type: 'mainWindowHandle', value: output });
worker.send('shutdown');
});
} else {
cluster.worker.on('message', (msg) => {
cluster.worker.disconnect();
});
}
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