feat(router): make RouterLink accept single values

modules/@angular/router/test/router_link_spec.ts

@@ -0,0 +1,64 @@
+import {
+  AsyncTestCompleter,
+  beforeEach,
+  ddescribe,
+  xdescribe,
+  describe,
+  expect,
+  iit,
+  inject,
+  beforeEachProviders,
+  it,
+  xit
+} from '@angular/core/testing/testing_internal';
+
+import {provide, Component, ComponentResolver} from '@angular/core';
+import {RouterLink} from '../src/directives/router_link';
+import {
+  Router,
+  RouterOutletMap,
+  RouteSegment,
+  Route,
+  ROUTER_DIRECTIVES,
+  Routes,
+  RouterUrlSerializer,
+  DefaultRouterUrlSerializer,
+  OnActivate,
+  CanDeactivate
+} from '@angular/router';
+import {Location} from '@angular/common';
+import {SpyLocation} from '@angular/common/testing';
+
+export function main() {
+  describe('RouterLink', () => {
+    beforeEachProviders(() => [
+      provide(RouterUrlSerializer, {useClass: DefaultRouterUrlSerializer}),
+      RouterOutletMap,
+      provide(Location, {useClass: SpyLocation}),
+      provide(Router,
+        {
+          useFactory: (resolver, urlParser, outletMap, location) => new Router(
+            "RootComponent", RootCmp, resolver, urlParser, outletMap, location),
+          deps: [ComponentResolver, RouterUrlSerializer, RouterOutletMap, Location]
+        })
+    ]);
+
+    describe("routerLink=", () => {
+      it("should accept an array of commands", inject([Router], (router) => {
+        let link = new RouterLink(null, router);
+        link.routerLink = ['/one', 11];
+        expect(link.href).toEqual("/one/11");
+      }));
+
+      it("should accept a single command", inject([Router], (router) => {
+        let link = new RouterLink(null, router);
+        link.routerLink = '/one/11';
+        expect(link.href).toEqual("/one/11");
+      }));
+    });
+  });
+}
+
+@Component({template: ''})
+class RootCmp {
+}