Current File : //proc/self/root/usr/src/node-v0.10.4/test/simple/test-domain-multi.js
// Copyright Joyent, Inc. and other Node contributors.
//
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// "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.
// Tests of multiple domains happening at once.
var common = require('../common');
var assert = require('assert');
var domain = require('domain');
var events = require('events');
var caughtA = false;
var caughtB = false;
var caughtC = false;
var a = domain.create();
a.enter(); // this will be our "root" domain
a.on('error', function(er) {
caughtA = true;
console.log('This should not happen');
throw er;
});
var http = require('http');
var server = http.createServer(function (req, res) {
// child domain of a.
var b = domain.create();
a.add(b);
// treat these EE objects as if they are a part of the b domain
// so, an 'error' event on them propagates to the domain, rather
// than being thrown.
b.add(req);
b.add(res);
b.on('error', function (er) {
caughtB = true;
console.error('Error encountered', er)
if (res) {
res.writeHead(500);
res.end('An error occurred');
}
// res.writeHead(500), res.destroy, etc.
server.close();
});
// XXX this bind should not be necessary.
// the write cb behavior in http/net should use an
// event so that it picks up the domain handling.
res.write('HELLO\n', b.bind(function() {
throw new Error('this kills domain B, not A');
}));
}).listen(common.PORT);
var c = domain.create();
var req = http.get({ host: 'localhost', port: common.PORT })
// add the request to the C domain
c.add(req);
req.on('response', function(res) {
console.error('got response');
// add the response object to the C domain
c.add(res);
res.pipe(process.stdout);
});
c.on('error', function(er) {
caughtC = true;
console.error('Error on c', er.message);
});
process.on('exit', function() {
assert.equal(caughtA, false);
assert.equal(caughtB, true)
assert.equal(caughtC, true)
console.log('ok - Errors went where they were supposed to go');
});
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