added support for res.rawHeaders. fixed #354

lib/request_overrider.js

@@ -273,6 +273,8 @@ function RequestOverrider(req, options, interceptors, remove, cb) {
     }
     response.statusCode = Number(interceptor.statusCode) || 200;
     response.headers = interceptor.headers || {};
+    response.rawHeaders = interceptor.rawHeaders || [];
+    debug('response.rawHeaders:', response.rawHeaders);
 
     //  We again set request headers, now for our matched interceptor.
     setRequestHeaders(req, options, interceptor);
@@ -406,6 +408,14 @@ function RequestOverrider(req, options, interceptors, remove, cb) {
         }
       });
 
+      for(var rawHeaderIndex = 0 ; rawHeaderIndex < response.rawHeaders.length ; rawHeaderIndex += 2) {
+        var value = response.rawHeaders[rawHeaderIndex + 1];
+        if (typeof value === "function") {
+          response.rawHeaders[rawHeaderIndex + 1] = value(req, response, responseBody);
+        }
+      }
+
+
       process.nextTick(function() {
         var respond = function() {
           debug('emitting response');

lib/scope.js

@@ -103,13 +103,17 @@ function startScope(basePath, options) {
 
       if (headers !== undefined) {
         this.headers = {};
+        this.rawHeaders = [];
 
         // makes sure all keys in headers are in lower case
         for (var key2 in headers) {
           if (headers.hasOwnProperty(key2)) {
             this.headers[key2.toLowerCase()] = headers[key2];
+            this.rawHeaders.push(key2);
+            this.rawHeaders.push(headers[key2]);
           }
         }
+        debug('reply.rawHeaders:', this.rawHeaders);
       }
 
       //  If the content is not encoded we may need to transform the response body.

tests/test_intercept.js

@@ -625,6 +625,7 @@ test("reply headers as function work", function(t) {
     path: '/'
   }, function (res) {
     t.equivalent(res.headers, { 'x-my-headers': 'boo!' });
+    t.equivalent(res.rawHeaders, ['x-my-headers', 'boo!']);  // 67
     t.end();
   });
 });