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'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
if (cluster.isWorker) {
const http = require('http');
http.Server(() => {
}).listen(common.PORT, '127.0.0.1');
const worker = cluster.worker;
assert.strictEqual(worker.exitedAfterDisconnect, worker.suicide);
cluster.worker.on('disconnect', common.mustCall(() => {
assert.strictEqual(cluster.worker.exitedAfterDisconnect,
cluster.worker.suicide);
process.exit(42);
}));
} else if (cluster.isMaster) {
const checks = {
cluster: {
emitDisconnect: false,
emitExit: false,
callback: false
},
worker: {
emitDisconnect: false,
emitDisconnectInsideWorker: false,
emitExit: false,
state: false,
voluntaryMode: false,
died: false
}
};
// start worker
const worker = cluster.fork();
// Disconnect worker when it is ready
worker.once('listening', common.mustCall(() => {
const w = worker.disconnect();
assert.strictEqual(worker, w, 'did not return a reference');
}));
// Check cluster events
cluster.once('disconnect', common.mustCall(() => {
checks.cluster.emitDisconnect = true;
}));
cluster.once('exit', common.mustCall(() => {
checks.cluster.emitExit = true;
}));
// Check worker events and properties
worker.once('disconnect', common.mustCall(() => {
checks.worker.emitDisconnect = true;
checks.worker.voluntaryMode = worker.exitedAfterDisconnect;
checks.worker.state = worker.state;
}));
// Check that the worker died
worker.once('exit', common.mustCall((code) => {
checks.worker.emitExit = true;
checks.worker.died = !common.isAlive(worker.process.pid);
checks.worker.emitDisconnectInsideWorker = code === 42;
}));
process.once('exit', () => {
const w = checks.worker;
const c = checks.cluster;
// events
assert.ok(w.emitDisconnect, 'Disconnect event did not emit');
assert.ok(w.emitDisconnectInsideWorker,
'Disconnect event did not emit inside worker');
assert.ok(c.emitDisconnect, 'Disconnect event did not emit');
assert.ok(w.emitExit, 'Exit event did not emit');
assert.ok(c.emitExit, 'Exit event did not emit');
// flags
assert.strictEqual(w.state, 'disconnected',
'The state property was not set');
assert.strictEqual(w.voluntaryMode, true,
'Voluntary exit mode was not set');
// is process alive
assert.ok(w.died, 'The worker did not die');
});
}