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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';
require('../common');
const assert = require('assert');
const childProcess = require('child_process');
// Child pipe test
if (process.argv[2] === 'pipe') {
process.stdout.write('stdout message');
process.stderr.write('stderr message');
} else if (process.argv[2] === 'ipc') {
// Child IPC test
process.send('message from child');
process.on('message', function() {
process.send('got message from primary');
});
} else if (process.argv[2] === 'primary') {
// Primary | start child pipe test
const child = childProcess.fork(process.argv[1], ['pipe'], { silent: true });
// Allow child process to self terminate
child.disconnect();
child.on('exit', function() {
process.exit(0);
});
} else {
// Testcase | start primary && child IPC test
// testing: is stderr and stdout piped to primary
const args = [process.argv[1], 'primary'];
const primary = childProcess.spawn(process.execPath, args);
// Got any stderr or std data
let stdoutData = false;
primary.stdout.on('data', function() {
stdoutData = true;
});
let stderrData = false;
primary.stderr.on('data', function() {
stderrData = true;
});
// testing: do message system work when using silent
const child = childProcess.fork(process.argv[1], ['ipc'], { silent: true });
// Manual pipe so we will get errors
child.stderr.pipe(process.stderr, { end: false });
child.stdout.pipe(process.stdout, { end: false });
let childSending = false;
let childReceiving = false;
child.on('message', function(message) {
if (childSending === false) {
childSending = (message === 'message from child');
}
if (childReceiving === false) {
childReceiving = (message === 'got message from primary');
}
if (childReceiving === true) {
child.kill();
}
});
child.send('message to child');
// Check all values
process.on('exit', function() {
// clean up
child.kill();
primary.kill();
// Check std(out|err) pipes
assert.ok(!stdoutData);
assert.ok(!stderrData);
// Check message system
assert.ok(childSending);
assert.ok(childReceiving);
});
}
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