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'use strict';
// Tests of multiple domains happening at once.
require('../common');
const assert = require('assert');
const domain = require('domain');
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;
});
const 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(0, function() {
var c = domain.create();
var req = http.get({ host: 'localhost', port: this.address().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.strictEqual(caughtA, false);
assert.strictEqual(caughtB, true);
assert.strictEqual(caughtC, true);
console.log('ok - Errors went where they were supposed to go');
});
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