chore(router): add tests for interaction between router-outer and

@ViewChild.

Closes #5164

modules/angular2/test/router/integration/router_integration_spec.ts

@@ -1,7 +1,7 @@
 import {
   AsyncTestCompleter,
   beforeEach,
-  beforeEachBindings,
+  beforeEachProviders,
   ddescribe,
   describe,
   expect,
@@ -17,9 +17,9 @@ import {
 import {bootstrap} from 'angular2/bootstrap';
 import {Component, Directive, View} from 'angular2/src/core/metadata';
 import {DOM} from 'angular2/src/core/dom/dom_adapter';
-import {provide} from 'angular2/core';
+import {provide, ViewChild, AfterViewInit} from 'angular2/core';
 import {DOCUMENT} from 'angular2/src/platform/dom/dom_tokens';
-import {RouteConfig, Route, Redirect} from 'angular2/src/router/route_config_decorator';
+import {RouteConfig, Route, Redirect, AuxRoute} from 'angular2/src/router/route_config_decorator';
 import {PromiseWrapper} from 'angular2/src/facade/async';
 import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
 import {
@@ -39,7 +39,7 @@ import {MockApplicationRef} from 'angular2/src/mock/mock_application_ref';
 
 export function main() {
   describe('router injectables', () => {
-    beforeEachBindings(() => {
+    beforeEachProviders(() => {
       return [
         ROUTER_PROVIDERS,
         provide(LocationStrategy, {useClass: MockLocationStrategy}),
@@ -74,7 +74,7 @@ export function main() {
     });
 
     describe('broken app', () => {
-      beforeEachBindings(
+      beforeEachProviders(
           () => { return [provide(ROUTER_PRIMARY_COMPONENT, {useValue: BrokenAppCmp})]; });
 
       it('should rethrow exceptions from component constructors',
@@ -91,7 +91,7 @@ export function main() {
     });
 
     describe('back button app', () => {
-      beforeEachBindings(
+      beforeEachProviders(
           () => { return [provide(ROUTER_PRIMARY_COMPONENT, {useValue: HierarchyAppCmp})]; });
 
       it('should change the url without pushing a new history state for back navigations',
@@ -102,12 +102,11 @@ export function main() {
                  var router = fixture.debugElement.componentInstance.router;
                  var position = 0;
                  var flipped = false;
-                 var history =
-                     [
+                 var history = [
                    ['/parent/child', 'root { parent { hello } }', '/super-parent/child'],
                    ['/super-parent/child', 'root { super-parent { hello2 } }', '/parent/child'],
                    ['/parent/child', 'root { parent { hello } }', false]
-                     ]
+                 ];
 
                  router.subscribe((_) => {
                    var location = fixture.debugElement.componentInstance.location;
@@ -143,7 +142,7 @@ export function main() {
     });
 
     describe('hierarchical app', () => {
-      beforeEachBindings(
+      beforeEachProviders(
           () => { return [provide(ROUTER_PRIMARY_COMPONENT, {useValue: HierarchyAppCmp})]; });
 
       it('should bootstrap an app with a hierarchy',
@@ -165,7 +164,7 @@ export function main() {
 
       // TODO(btford): mock out level lower than LocationStrategy once that level exists
       xdescribe('custom app base ref', () => {
-        beforeEachBindings(() => { return [provide(APP_BASE_HREF, {useValue: '/my/app'})]; });
+        beforeEachProviders(() => { return [provide(APP_BASE_HREF, {useValue: '/my/app'})]; });
         it('should bootstrap',
            inject([AsyncTestCompleter, TestComponentBuilder],
                   (async, tcb: TestComponentBuilder) => {
@@ -188,7 +187,7 @@ export function main() {
     // TODO: add a test in which the child component has bindings
 
     describe('querystring params app', () => {
-      beforeEachBindings(
+      beforeEachProviders(
           () => { return [provide(ROUTER_PRIMARY_COMPONENT, {useValue: QueryStringAppCmp})]; });
 
       it('should recognize and return querystring params with the injected RouteParams',
@@ -211,6 +210,35 @@ export function main() {
                });
          }));
     });
+
+    describe('retrieving components loaded via outlet via @ViewChild', () => {
+      let tcb: TestComponentBuilder = null;
+
+      beforeEachProviders(() => [provide(ROUTER_PRIMARY_COMPONENT, {useValue: AppCmp})]);
+
+      beforeEach(inject([TestComponentBuilder],
+                        (testComponentBuilder) => { tcb = testComponentBuilder; }));
+
+      it('should get a reference and pass data to components loaded inside of outlets',
+         inject([AsyncTestCompleter], (async) => {
+           tcb.createAsync(AppWithViewChildren)
+               .then(fixture => {
+                 let appInstance = fixture.debugElement.componentInstance;
+                 let router = appInstance.router;
+
+                 router.subscribe((_) => {
+                   fixture.detectChanges();
+
+                   expect(appInstance.helloCmp).toBeAnInstanceOf(HelloCmp);
+                   expect(appInstance.helloCmp.message).toBe('Ahoy');
+
+                   async.done();
+                 });
+
+                 router.navigateByUrl('/rainbow(pony)');
+               });
+         }));
+    });
   });
 }
 
@@ -218,11 +246,13 @@ export function main() {
 @Component({selector: 'hello-cmp'})
 @View({template: 'hello'})
 class HelloCmp {
+  public message: string;
 }
 
 @Component({selector: 'hello2-cmp'})
 @View({template: 'hello2'})
 class Hello2Cmp {
+  public greeting: string;
 }
 
 @Component({selector: 'app-cmp'})
@@ -232,6 +262,27 @@ class AppCmp {
   constructor(public router: Router, public location: LocationStrategy) {}
 }
 
+@Component({
+  selector: 'app-cmp',
+  template: `
+    Hello routing!
+    <router-outlet></router-outlet>
+    <router-outlet name="pony"></router-outlet>`,
+  directives: ROUTER_DIRECTIVES
+})
+@RouteConfig([
+  new Route({path: '/rainbow', component: HelloCmp}),
+  new AuxRoute({name: 'pony', path: 'pony', component: Hello2Cmp})
+])
+class AppWithViewChildren implements AfterViewInit {
+  @ViewChild(HelloCmp) helloCmp: HelloCmp;
+  @ViewChild(Hello2Cmp) hello2Cmp: Hello2Cmp;
+
+  constructor(public router: Router, public location: LocationStrategy) {}
+
+  afterViewInit() { this.helloCmp.message = 'Ahoy'; }
+}
+
 @Component({selector: 'parent-cmp'})
 @View({template: `parent { <router-outlet></router-outlet> }`, directives: ROUTER_DIRECTIVES})
 @RouteConfig([new Route({path: '/child', component: HelloCmp})])