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107 lines
3.4 KiB
107 lines
3.4 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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require('../common');
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const assert = require('assert');
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const childProcess = require('child_process');
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// Child pipe test
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if (process.argv[2] === 'pipe') {
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process.stdout.write('stdout message');
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process.stderr.write('stderr message');
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} else if (process.argv[2] === 'ipc') {
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// Child IPC test
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process.send('message from child');
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process.on('message', function() {
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process.send('got message from master');
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});
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} else if (process.argv[2] === 'parent') {
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// Parent | start child pipe test
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const child = childProcess.fork(process.argv[1], ['pipe'], { silent: true });
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// Allow child process to self terminate
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child.channel.close();
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child.channel = null;
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child.on('exit', function() {
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process.exit(0);
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});
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} else {
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// testcase | start parent && child IPC test
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// testing: is stderr and stdout piped to parent
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const args = [process.argv[1], 'parent'];
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const parent = childProcess.spawn(process.execPath, args);
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//got any stderr or std data
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let stdoutData = false;
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parent.stdout.on('data', function() {
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stdoutData = true;
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});
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let stderrData = false;
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parent.stdout.on('data', function() {
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stderrData = true;
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});
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// testing: do message system work when using silent
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const child = childProcess.fork(process.argv[1], ['ipc'], { silent: true });
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// Manual pipe so we will get errors
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child.stderr.pipe(process.stderr, { end: false });
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child.stdout.pipe(process.stdout, { end: false });
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let childSending = false;
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let childReciveing = false;
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child.on('message', function(message) {
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if (childSending === false) {
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childSending = (message === 'message from child');
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}
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if (childReciveing === false) {
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childReciveing = (message === 'got message from master');
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}
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if (childReciveing === true) {
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child.kill();
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}
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});
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child.send('message to child');
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// Check all values
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process.on('exit', function() {
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// clean up
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child.kill();
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parent.kill();
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// Check std(out|err) pipes
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assert.ok(!stdoutData, 'The stdout socket was piped to parent');
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assert.ok(!stderrData, 'The stderr socket was piped to parent');
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// Check message system
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assert.ok(childSending, 'The child was able to send a message');
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assert.ok(childReciveing, 'The child was able to receive a message');
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});
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}
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