feat(router): add initial implementation

modules/angular2/test/router/route_registry_spec.js

@@ -0,0 +1,41 @@
+import {
+  AsyncTestCompleter,
+  describe,
+  it, iit,
+  ddescribe, expect,
+  inject, beforeEach,
+  SpyObject} from 'angular2/test_lib';
+
+import {RouteRegistry} from 'angular2/src/router/route_registry';
+
+export function main() {
+  describe('RouteRegistry', () => {
+    var registry;
+    var handler = {};
+    var handler2 = {};
+
+    beforeEach(() => {
+      registry = new RouteRegistry();
+    });
+
+    it('should match the full URL', () => {
+      registry.config('/', '/', handler);
+      registry.config('/', '/test', handler2);
+
+      var instruction = registry.recognize('/test');
+
+      expect(instruction.getChildInstruction('default').component).toBe(handler2);
+    });
+
+    it('should match the full URL recursively', () => {
+      registry.config('/', '/first', handler);
+      registry.config(handler, '/second', handler2);
+
+      var instruction = registry.recognize('/first/second');
+
+      expect(instruction.getChildInstruction('default').component).toBe(handler);
+      expect(instruction.getChildInstruction('default').getChildInstruction('default').component).toBe(handler2);
+    });
+
+  });
+}