Proxy server errors to express app

expressjs · Apr 19, 2015 · 02d76ae · 02d76ae
1 parent 8dd1b3a
commit 02d76ae
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diff --git a/lib/application.js b/lib/application.js
@@ -592,6 +592,7 @@ app.render = function(name, options, fn){
 
 app.listen = function(){
   var server = http.createServer(this);
+  server.on('error', this.emit.bind(this, 'error'));
   return server.listen.apply(server, arguments);
 };
 

diff --git a/test/app.listen.js b/test/app.listen.js
@@ -1,5 +1,6 @@
 
 var express = require('../')
+  , assert = require('assert')
   , request = require('supertest');
 
 describe('app.listen()', function(){
@@ -15,4 +16,19 @@ describe('app.listen()', function(){
       done();
     });
   })
+
+  it('should proxy HTTP server errors', function(done){
+    var app = express();
+    var app2 = express();
+
+    app2.on('error', function(err) {
+      assert(err.code === 'EADDRINUSE');
+      server.close();
+      done();
+    });
+
+    var server = app.listen(9999, function(){
+      app2.listen(9999);
+    });
+  })
 })