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// 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 common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
if (cluster.isWorker) {
const http = require('http');
http.Server(() => {
}).listen(0, '127.0.0.1');
cluster.worker.on('disconnect', common.mustCall(() => {
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, `${worker.id} 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');
assert.strictEqual(w.voluntaryMode, true);
// is process alive
assert.ok(w.died, 'The worker did not die');
});
}
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