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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. | ||
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| var common = require('../common'); | ||
| var assert = require('assert'); | ||
| var cluster = require('cluster'); | ||
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| // Cluster setup | ||
| if (cluster.isWorker) { | ||
| var http = require('http'); | ||
| http.Server(function() { | ||
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| }).listen(common.PORT, '127.0.0.1'); | ||
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| } else if (process.argv[2] === 'cluster') { | ||
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| var totalWorkers = 2; | ||
|
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| // Send PID to testcase process | ||
| var forkNum = 0; | ||
| cluster.on('fork', function forkEvent(worker) { | ||
|
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| // Send PID | ||
| process.send({ | ||
| cmd: 'worker', | ||
| workerPID: worker.process.pid | ||
| }); | ||
|
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| // Stop listening when done | ||
| if (++forkNum === totalWorkers) { | ||
| cluster.removeListener('fork', forkEvent); | ||
| } | ||
| }); | ||
|
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| // Throw accidently error when all workers are listening | ||
| var listeningNum = 0; | ||
| cluster.on('listening', function listeningEvent() { | ||
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| // When all workers are listening | ||
| if (++listeningNum === totalWorkers) { | ||
| // Stop listening | ||
| cluster.removeListener('listening', listeningEvent); | ||
|
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| // throw accidently error | ||
| process.nextTick(function() { | ||
| throw 'accidently error'; | ||
| }); | ||
| } | ||
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| }); | ||
|
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| // Startup a basic cluster | ||
| cluster.fork(); | ||
| cluster.fork(); | ||
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| } else { | ||
| // This is the testcase | ||
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| var fork = require('child_process').fork; | ||
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| var isAlive = function(pid) { | ||
| try { | ||
| //this will throw an error if the process is dead | ||
| process.kill(pid, 0); | ||
|
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| return true; | ||
| } catch (e) { | ||
| return false; | ||
| } | ||
| }; | ||
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| var existMaster = false; | ||
| var existWorker = false; | ||
|
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| // List all workers | ||
| var workers = []; | ||
|
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| // Spawn a cluster process | ||
| var master = fork(process.argv[1], ['cluster'], {silent: true}); | ||
|
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| // Handle messages from the cluster | ||
| master.on('message', function(data) { | ||
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| // Add worker pid to list and progress tracker | ||
| if (data.cmd === 'worker') { | ||
| workers.push(data.workerPID); | ||
| } | ||
| }); | ||
|
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| // When cluster is dead | ||
| master.on('exit', function(code) { | ||
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| // Check that the cluster died accidently | ||
| existMaster = (code === 1); | ||
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| // When master is dead all workers should be dead to | ||
| var alive = false; | ||
| workers.forEach(function(pid) { | ||
| if (isAlive(pid)) { | ||
| alive = true; | ||
| } | ||
| }); | ||
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| // If a worker was alive this did not act as expected | ||
| existWorker = !alive; | ||
| }); | ||
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| process.once('exit', function() { | ||
| assert.ok(existMaster, 'The master did not die after an error was throwed'); | ||
| assert.ok(existWorker, 'The workers did not die after an error in the master'); | ||
| }); | ||
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| } |
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