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nodejs/test/parallel/test-child-process-silent.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

86 lines
2.3 KiB
JavaScript

var common = require('../common');
var assert = require('assert');
var childProcess = require('child_process');
// Child pipe test
if (process.argv[2] === 'pipetest') {
process.stdout.write('stdout message');
process.stderr.write('stderr message');
} else if (process.argv[2] === 'ipctest') {
// Child IPC test
process.send('message from child');
process.on('message', function() {
process.send('got message from master');
});
} else if (process.argv[2] === 'parent') {
// Parent | start child pipe test
var child = childProcess.fork(process.argv[1], ['pipetest'], {silent: true});
// Allow child process to self terminate
child._channel.close();
child._channel = null;
child.on('exit', function() {
process.exit(0);
});
} else {
// testcase | start parent && child IPC test
// testing: is stderr and stdout piped to parent
var args = [process.argv[1], 'parent'];
var parent = childProcess.spawn(process.execPath, args);
//got any stderr or std data
var stdoutData = false;
parent.stdout.on('data', function() {
stdoutData = true;
});
var stderrData = false;
parent.stdout.on('data', function() {
stderrData = true;
});
// testing: do message system work when using silent
var child = childProcess.fork(process.argv[1], ['ipctest'], {silent: true});
// Manual pipe so we will get errors
child.stderr.pipe(process.stderr, {end: false});
child.stdout.pipe(process.stdout, {end: false});
var childSending = false;
var childReciveing = false;
child.on('message', function(message) {
if (childSending === false) {
childSending = (message === 'message from child');
}
if (childReciveing === false) {
childReciveing = (message === 'got message from master');
}
if (childReciveing === true) {
child.kill();
}
});
child.send('message to child');
// Check all values
process.on('exit', function() {
// clean up
child.kill();
parent.kill();
// Check std(out|err) pipes
assert.ok(!stdoutData, 'The stdout socket was piped to parent');
assert.ok(!stderrData, 'The stderr socket was piped to parent');
// Check message system
assert.ok(childSending, 'The child was able to send a message');
assert.ok(childReciveing, 'The child was able to receive a message');
});
}