[fixed] let jqXHR object survive the fixture copy

Author: ryanflorence

lib/main.js

@@ -52,7 +52,10 @@ export var __fixtures__ = {};
  */
 
 export function defineFixture(url, fixture) {
-  __fixtures__[url] = JSON.parse(JSON.stringify(fixture));
+  if (fixture.response) {
+    fixture.response = JSON.parse(JSON.stringify(fixture.response));
+  }
+  __fixtures__[url] = fixture;
 }
 
 /*

test/main.spec.js

@@ -91,6 +91,21 @@ asyncTest('the fixture is unaffected by external change', function() {
   )
 });
 
+asyncTest('the fixture jqXHR survives the response copy', function() {
+
+  ic.ajax.defineFixture('/foo', {
+    response: {foo: 'bar'},
+    textStatus: 'success',
+    jqXHR: { getResponseHeader: function(a) { return a; } }
+  });
+
+  ic.ajax.raw('/foo').then(function(result) {
+      start();
+      equal(result.jqXHR.getResponseHeader('foo'), 'foo');
+    }
+  )
+});
+
 test('throws if success or error callbacks are used', function() {
   var k = function() {};
   throws(function() {