fix(styles): Fixes AMS style definition, adds a ams-spec.

Fixes #151

Author: iobaixas

src/styles/ams.js

@@ -11,9 +11,9 @@ angular.module('restmod').factory('AMSApi', ['restmod', 'inflector', function(re
 			jsonLinks: 'links'
 		},
 
-		$methods: {
+		$extend: {
 			// special snakecase to camelcase renaming
-			type: {
+			Model: {
 				decodeName: inflector.camelize,
 				encodeName: function(_v) { return inflector.parameterize(_v, '_'); }
 			}

test/styles/ams-spec.js

@@ -0,0 +1,47 @@
+'use strict';
+
+describe('Style: AMS', function() {
+
+  var bike;
+
+  beforeEach(module('restmod'));
+
+  beforeEach(module(function($provide, restmodProvider) {
+    restmodProvider.rebase('AMSApi');
+    $provide.factory('Bike', function(restmod) {
+      return restmod.model('/api/bikes', {
+        user: { belongsTo: restmod.model('/api/users') }
+      });
+    });
+  }));
+
+  beforeEach(inject(function(Bike) {
+    bike = Bike.$new();
+  }));
+
+  it('should properly rename names on decode/encode', function() {
+    bike.$decode({ 'rear_wheel': 'crossmax' });
+
+    expect(bike.rearWheel).toBeDefined();
+    expect(bike['rear_wheel']).not.toBeDefined();
+    expect(bike.$encode()['rear_wheel']).toBeDefined();
+    expect(bike.$encode().rearWheel).not.toBeDefined();
+  });
+
+  it('should use "id" as primary key', function() {
+    bike.$decode({ id: 1 });
+    expect(bike.$pk).toEqual(1);
+  });
+
+  it('should extract metadata from "meta" property', function() {
+    bike.$unwrap({ bike: { id: 1 }, meta: { date: '2014-05-01'  } });
+    expect(bike.$metadata).toBeDefined();
+    expect(bike.$metadata.date).toBeDefined();
+  });
+
+  it('should extract links from "links" property', function() {
+    bike.$unwrap({ bike: { id: 1, 'user_id': 1 }, links: { users: [ { id: 1, name: 'Pancho' } ] } });
+    expect(bike.user).toBeDefined();
+    expect(bike.user.name).toEqual('Pancho');
+  });
+});