fix($resource): allow XHR request to be cancelled via timeout promise

Closes angular#12657
Closes angular#12675
Closes angular#10890
Closes angular#9332

Author: netman92

src/ngResource/resource.js

@@ -574,8 +574,17 @@ angular.module('ngResource', ['ng']).
               undefined;
 
             forEach(action, function(value, key) {
-              if (key != 'params' && key != 'isArray' && key != 'interceptor') {
-                httpConfig[key] = copy(value);
+              switch (key) {
+                default:
+                  httpConfig[key] = copy(value);
+                  break;
+                case 'params':
+                case 'isArray':
+                case 'interceptor':
+                  break;
+                case 'timeout':
+                  httpConfig[key] = value;
+                  break;
               }
             });
 

test/ngResource/resourceSpec.js

@@ -1316,7 +1316,7 @@ describe("resource", function() {
 });
 
 describe('resource', function() {
-  var $httpBackend, $resource;
+  var $httpBackend, $resource, $q;
 
   beforeEach(module(function($exceptionHandlerProvider) {
     $exceptionHandlerProvider.mode('log');
@@ -1327,6 +1327,7 @@ describe('resource', function() {
   beforeEach(inject(function($injector) {
     $httpBackend = $injector.get('$httpBackend');
     $resource = $injector.get('$resource');
+    $q = $injector.get('$q');
   }));
 
 
@@ -1364,5 +1365,34 @@ describe('resource', function() {
       );
   });
 
+  it('should cancel the request if timeout promise is resolved', function() {
+    var canceler = $q.defer();
+
+    $httpBackend.when('GET', '/CreditCard').respond({data: '123'});
+
+    var CreditCard = $resource('/CreditCard', {}, {
+      query: {
+        method: 'GET',
+        timeout: canceler.promise
+      }
+    });
+
+    CreditCard.query();
+
+    canceler.resolve();
+    expect($httpBackend.flush).toThrow(new Error("No pending request to flush !"));
+
+    canceler = $q.defer();
+    CreditCard = $resource('/CreditCard', {}, {
+      query: {
+        method: 'GET',
+        timeout: canceler.promise
+      }
+    });
+
+    CreditCard.query();
+    expect($httpBackend.flush).not.toThrow();
+  });
+
 
 });