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Test for ChildProcess.disconnect()
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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 assert = require('assert'); | ||
var common = require('../common'); | ||
var fork = require('child_process').fork; | ||
var net = require('net'); | ||
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// child | ||
if (process.argv[2] === 'child') { | ||
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var server = net.createServer(); | ||
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server.on('connection', function (socket) { | ||
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process.on('disconnect', function () { | ||
socket.end((process.connected).toString()); | ||
}); | ||
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// when the socket is closed, we will close the server | ||
// allowing the process to self terminate | ||
socket.on('end', function () { | ||
server.close(); | ||
}); | ||
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socket.write('ready'); | ||
}); | ||
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// when the server is ready tell parent | ||
server.on('listening', function () { | ||
process.send('ready'); | ||
}); | ||
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server.listen(common.PORT); | ||
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} else { | ||
// testcase | ||
var child = fork(process.argv[1], ['child']); | ||
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var childFlag = false; | ||
var childSelfTerminate = false; | ||
var parentEmit = false; | ||
var parentFlag = false; | ||
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// when calling .disconnect the event should emit | ||
// and the disconnected flag should be true. | ||
child.on('disconnect', function () { | ||
parentEmit = true; | ||
parentFlag = child.connected; | ||
}); | ||
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// the process should also self terminate without using signals | ||
child.on('exit', function () { | ||
childSelfTerminate = true; | ||
}); | ||
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// when child is listning | ||
child.on('message', function (msg) { | ||
if (msg === 'ready') { | ||
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// connect to child using TCP to know if disconnect was emitted | ||
var socket = net.connect(common.PORT); | ||
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socket.on('data', function (data) { | ||
data = data.toString(); | ||
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// ready to be disconnected | ||
if (data === 'ready') { | ||
child.disconnect(); | ||
return; | ||
} | ||
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// disconnect is emitted | ||
childFlag = (data === 'true'); | ||
}); | ||
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} | ||
}); | ||
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process.on('exit', function () { | ||
assert.equal(childFlag, false); | ||
assert.equal(parentFlag, false); | ||
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assert.ok(childSelfTerminate); | ||
assert.ok(parentEmit); | ||
}); | ||
} |