[test] test onError part, proxying to no where

test/lib-caronte-streams-proxy-test.js

@@ -81,4 +81,29 @@ describe('lib/caronte/streams/proxy.js', function () {
  }).end();
  });
  });
+
+ describe('caronte createProxyServer() method with error response', function () {
+ it('should make the request and response with error', function(done) {
+ var proxy = caronte.createProxyServer({
+ target: 'http:https://127.0.0.1:8080'
+ }).listen('8081');
+
+ http.request({
+ hostname: '127.0.0.1',
+ port: '8081',
+ method: 'GET',
+ }, function(res) {
+ expect(res.statusCode).to.eql(500);
+
+ res.on('data', function (data) {
+ expect(data.toString()).to.eql('Internal Server Error');
+ });
+
+ res.on('end', function () { 
+ proxy.close();
+ done();
+ });
+ }).end();
+ });
+ });
 });