feat($resource): support HTTP PATCH method

Properly serialize data into request body instead of url.

Closes #887

src/ngMock/angular-mocks.js

@@ -1111,6 +1111,20 @@ function createHttpBackendMock($delegate, $browser) {
    *   request is handled.
    */
 
+  /**
+   * @ngdoc method
+   * @name angular.module.ngMock.$httpBackend#expectPATCH
+   * @methodOf angular.module.ngMock.$httpBackend
+   * @description
+   * Creates a new request expectation for PATCH requests. For more info see `expect()`.
+   *
+   * @param {string|RegExp} url HTTP url.
+   * @param {(string|RegExp)=} data HTTP request body.
+   * @param {Object=} headers HTTP headers.
+   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
+   *   request is handled.
+   */
+
   /**
    * @ngdoc method
    * @name angular.module.ngMock.$httpBackend#expectJSONP
@@ -1220,7 +1234,7 @@ function createHttpBackendMock($delegate, $browser) {
      }
     });
 
-    angular.forEach(['PUT', 'POST'], function(method) {
+    angular.forEach(['PUT', 'POST', 'PATCH'], function(method) {
       $httpBackend[prefix + method] = function(url, data, headers) {
         return $httpBackend[prefix](method, url, data, headers)
       }
@@ -1483,6 +1497,20 @@ angular.module('ngMockE2E', ['ng']).config(function($provide) {
  *   control how a matched request is handled.
  */
 
+/**
+ * @ngdoc method
+ * @name angular.module.ngMockE2E.$httpBackend#whenPATCH
+ * @methodOf angular.module.ngMockE2E.$httpBackend
+ * @description
+ * Creates a new backend definition for PATCH requests.  For more info see `when()`.
+ *
+ * @param {string|RegExp} url HTTP url.
+ * @param {(string|RegExp)=} data HTTP request body.
+ * @param {(Object|function(Object))=} headers HTTP headers.
+ * @returns {requestHandler} Returns an object with `respond` and `passThrough` methods that
+ *   control how a matched request is handled.
+ */
+
 /**
  * @ngdoc method
  * @name angular.module.ngMockE2E.$httpBackend#whenJSONP

src/ngResource/resource.js

@@ -318,7 +318,7 @@ angular.module('ngResource', ['ng']).
       }
 
       forEach(actions, function(action, name) {
-        var isPostOrPut = action.method == 'POST' || action.method == 'PUT';
+        var hasBody = action.method == 'POST' || action.method == 'PUT' || action.method == 'PATCH';
         Resource[name] = function(a1, a2, a3, a4) {
           var params = {};
           var data;
@@ -349,7 +349,7 @@ angular.module('ngResource', ['ng']).
             }
           case 1:
             if (isFunction(a1)) success = a1;
-            else if (isPostOrPut) data = a1;
+            else if (hasBody) data = a1;
             else params = a1;
             break;
           case 0: break;
@@ -409,7 +409,7 @@ angular.module('ngResource', ['ng']).
             throw "Expected between 1-3 arguments [params, success, error], got " +
               arguments.length + " arguments.";
           }
-          var data = isPostOrPut ? this : undefined;
+          var data = hasBody ? this : undefined;
           Resource[name].call(this, params, data, success, error);
         };
       });

test/ngMock/angular-mocksSpec.js

@@ -814,7 +814,7 @@ describe('ngMock', function() {
 
     describe('expect/when shortcuts', function() {
       angular.forEach(['expect', 'when'], function(prefix) {
-        angular.forEach(['GET', 'POST', 'PUT', 'DELETE', 'JSONP'], function(method) {
+        angular.forEach(['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'JSONP'], function(method) {
           var shortcut = prefix + method;
           it('should provide ' + shortcut + ' shortcut method', function() {
             hb[shortcut]('/foo').respond('bar');

test/ngResource/resourceSpec.js

@@ -11,6 +11,9 @@ describe("resource", function() {
       charge:{
         method:'POST',
         params:{verb:'!charge'}
+      },
+      patch: {
+        method: 'PATCH'
       }
     });
     callback = jasmine.createSpy();
@@ -235,6 +238,20 @@ describe("resource", function() {
   });
 
 
+  it("should patch a resource", function() {
+    $httpBackend.expectPATCH('/CreditCard/123', '{"name":"igor"}').
+                     respond({id: 123, name: 'rama'});
+
+    var card = CreditCard.patch({id: 123}, {name: 'igor'}, callback);
+
+    expect(card).toEqualData({name: 'igor'});
+    expect(callback).not.toHaveBeenCalled();
+    $httpBackend.flush();
+    expect(callback).toHaveBeenCalled();
+    expect(card).toEqualData({id: 123, name: 'rama'});
+  });
+
+
   it('should create on save', function() {
     $httpBackend.expect('POST', '/CreditCard', '{"name":"misko"}').respond({id: 123}, {header1: 'a'});