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test: dynamic port in test cluster eaddrinuse #12547

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test: dynamic port in test cluster eaddrinuse #12547

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9 changes: 5 additions & 4 deletions test/parallel/test-cluster-eaddrinuse.js
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,12 @@ const fork = require('child_process').fork;
const net = require('net');

const id = '' + process.argv[2];
const port = '' + process.argv[3];

if (id === 'undefined') {
const server = net.createServer(common.mustNotCall());
server.listen(common.PORT, function() {
const worker = fork(__filename, ['worker']);
server.listen(0, function() {
const worker = fork(__filename, ['worker', server.address().port]);
worker.on('message', function(msg) {
if (msg !== 'stop-listening') return;
server.close(function() {
Expand All @@ -44,14 +45,14 @@ if (id === 'undefined') {
});
} else if (id === 'worker') {
let server = net.createServer(common.mustNotCall());
server.listen(common.PORT, common.mustNotCall());
server.listen(port, common.mustNotCall());
server.on('error', common.mustCall(function(e) {
assert(e.code, 'EADDRINUSE');
process.send('stop-listening');
process.once('message', function(msg) {
if (msg !== 'stopped-listening') return;
server = net.createServer(common.mustNotCall());
server.listen(common.PORT, common.mustCall(function() {
server.listen(port, common.mustCall(function() {
server.close();
}));
});
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