From aa92412db32cf437c9fcecbd1c076b1b6e8e6d3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20Bajto=C5=A1?= <miroslav@strongloop.com>
Date: Wed, 12 Nov 2014 10:09:20 +0100
Subject: [PATCH] app.middleware: verify serial exec of handlers

Add a test verifying that middleware handlers are executed serially.
---
 test/app.test.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/test/app.test.js b/test/app.test.js
index 18ab3cbc..7223b118 100644
--- a/test/app.test.js
+++ b/test/app.test.js
@@ -85,6 +85,30 @@ describe('app', function() {
       });
     });
 
+    it('passes errors to error handlers in the same phase', function(done) {
+      var expectedError = new Error('this should be handled by middleware');
+      var handledError;
+
+      app.middleware('initial', function(req, res, next) {
+        // continue in the next tick, this verifies that the next
+        // handler waits until the previous one is done
+        process.nextTick(function() {
+          next(expectedError);
+        });
+      });
+
+      app.middleware('initial', function(err, req, res, next) {
+        handledError = err;
+        next();
+      });
+
+      executeMiddlewareHandlers(app, function(err) {
+        if (err) return done(err);
+        expect(handledError).to.equal(expectedError);
+        done();
+      });
+    });
+
     function namedHandler(name) {
       return function(req, res, next) {
         steps.push(name);