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test: refactor child-process-fork-net
Split test-child-process-fork-net into test-child-process-fork-net-server and test-child-process-fork-net-socket. Rename test-child-process-fork-net2.js to test-child-process-fork-net.js. Refs: #21012 PR-URL: #21095 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
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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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'use strict'; | ||
const common = require('../common'); | ||
const assert = require('assert'); | ||
const fork = require('child_process').fork; | ||
const net = require('net'); | ||
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function ProgressTracker(missing, callback) { | ||
this.missing = missing; | ||
this.callback = callback; | ||
} | ||
ProgressTracker.prototype.done = function() { | ||
this.missing -= 1; | ||
this.check(); | ||
}; | ||
ProgressTracker.prototype.check = function() { | ||
if (this.missing === 0) this.callback(); | ||
}; | ||
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if (process.argv[2] === 'child') { | ||
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let serverScope; | ||
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process.on('message', function onServer(msg, server) { | ||
if (msg.what !== 'server') return; | ||
process.removeListener('message', onServer); | ||
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serverScope = server; | ||
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server.on('connection', function(socket) { | ||
console.log('CHILD: got connection'); | ||
process.send({ what: 'connection' }); | ||
socket.destroy(); | ||
}); | ||
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// Start making connection from parent. | ||
console.log('CHILD: server listening'); | ||
process.send({ what: 'listening' }); | ||
}); | ||
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process.on('message', function onClose(msg) { | ||
if (msg.what !== 'close') return; | ||
process.removeListener('message', onClose); | ||
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serverScope.on('close', function() { | ||
process.send({ what: 'close' }); | ||
}); | ||
serverScope.close(); | ||
}); | ||
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process.send({ what: 'ready' }); | ||
} else { | ||
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const child = fork(process.argv[1], ['child']); | ||
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child.on('exit', common.mustCall(function(code, signal) { | ||
const message = `CHILD: died with ${code}, ${signal}`; | ||
assert.strictEqual(code, 0, message); | ||
})); | ||
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// Send net.Server to child and test by connecting. | ||
function testServer(callback) { | ||
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// Destroy server execute callback when done. | ||
const progress = new ProgressTracker(2, function() { | ||
server.on('close', function() { | ||
console.log('PARENT: server closed'); | ||
child.send({ what: 'close' }); | ||
}); | ||
server.close(); | ||
}); | ||
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// We expect 4 connections and close events. | ||
const connections = new ProgressTracker(4, progress.done.bind(progress)); | ||
const closed = new ProgressTracker(4, progress.done.bind(progress)); | ||
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// Create server and send it to child. | ||
const server = net.createServer(); | ||
server.on('connection', function(socket) { | ||
console.log('PARENT: got connection'); | ||
socket.destroy(); | ||
connections.done(); | ||
}); | ||
server.on('listening', function() { | ||
console.log('PARENT: server listening'); | ||
child.send({ what: 'server' }, server); | ||
}); | ||
server.listen(0); | ||
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// Handle client messages. | ||
function messageHandlers(msg) { | ||
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if (msg.what === 'listening') { | ||
// Make connections. | ||
let socket; | ||
for (let i = 0; i < 4; i++) { | ||
socket = net.connect(server.address().port, function() { | ||
console.log('CLIENT: connected'); | ||
}); | ||
socket.on('close', function() { | ||
closed.done(); | ||
console.log('CLIENT: closed'); | ||
}); | ||
} | ||
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} else if (msg.what === 'connection') { | ||
// child got connection | ||
connections.done(); | ||
} else if (msg.what === 'close') { | ||
child.removeListener('message', messageHandlers); | ||
callback(); | ||
} | ||
} | ||
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child.on('message', messageHandlers); | ||
} | ||
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// Create server and send it to child. | ||
child.on('message', function onReady(msg) { | ||
if (msg.what !== 'ready') return; | ||
child.removeListener('message', onReady); | ||
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testServer(common.mustCall()); | ||
}); | ||
} |
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@@ -0,0 +1,87 @@ | ||
// 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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'use strict'; | ||
const common = require('../common'); | ||
const assert = require('assert'); | ||
const fork = require('child_process').fork; | ||
const net = require('net'); | ||
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if (process.argv[2] === 'child') { | ||
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process.on('message', function onSocket(msg, socket) { | ||
if (msg.what !== 'socket') return; | ||
process.removeListener('message', onSocket); | ||
socket.end('echo'); | ||
console.log('CHILD: got socket'); | ||
}); | ||
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process.send({ what: 'ready' }); | ||
} else { | ||
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const child = fork(process.argv[1], ['child']); | ||
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child.on('exit', common.mustCall(function(code, signal) { | ||
const message = `CHILD: died with ${code}, ${signal}`; | ||
assert.strictEqual(code, 0, message); | ||
})); | ||
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// Send net.Socket to child. | ||
function testSocket(callback) { | ||
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// Create a new server and connect to it, | ||
// but the socket will be handled by the child. | ||
const server = net.createServer(); | ||
server.on('connection', function(socket) { | ||
socket.on('close', function() { | ||
console.log('CLIENT: socket closed'); | ||
}); | ||
child.send({ what: 'socket' }, socket); | ||
}); | ||
server.on('close', function() { | ||
console.log('PARENT: server closed'); | ||
callback(); | ||
}); | ||
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server.listen(0, function() { | ||
console.log('testSocket, listening'); | ||
const connect = net.connect(server.address().port); | ||
let store = ''; | ||
connect.on('data', function(chunk) { | ||
store += chunk; | ||
console.log('CLIENT: got data'); | ||
}); | ||
connect.on('close', function() { | ||
console.log('CLIENT: closed'); | ||
assert.strictEqual(store, 'echo'); | ||
server.close(); | ||
}); | ||
}); | ||
} | ||
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// Create socket and send it to child. | ||
child.on('message', function onReady(msg) { | ||
if (msg.what !== 'ready') return; | ||
child.removeListener('message', onReady); | ||
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testSocket(common.mustCall()); | ||
}); | ||
} |
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