feat: add .ngsummary.ts files to support AOT unit tests

Design doc: https://docs.google.com/document/d/1VmTkz0EbEVSWfEEWEvQ5sXyQXSCvtMOw4t7pKU-jOwc/edit?usp=sharing

packages/compiler-cli/integrationtest/src/jit_summaries.html

@@ -0,0 +1 @@
+Hello world!

packages/compiler-cli/integrationtest/src/jit_summaries.ts

@@ -0,0 +1,52 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {Component, Directive, Injectable, NgModule, Pipe} from '@angular/core';
+
+const instances = new Map<any, Base>();
+
+export function expectInstanceCreated(type: any) {
+  const instance = instances.get(type) !;
+  expect(instance).toBeDefined();
+  expect(instance.dep instanceof SomeDep).toBe(true);
+}
+
+export class SomeDep {}
+
+export class Base {
+  constructor(public dep: SomeDep) { instances.set(Object.getPrototypeOf(this).constructor, this); }
+}
+
+@Component({templateUrl: './jit_summaries.html'})
+export class SomePrivateComponent extends Base {
+}
+
+@Component({templateUrl: './jit_summaries.html'})
+export class SomePublicComponent extends Base {
+}
+
+@Directive({selector: '[someDir]'})
+export class SomeDirective extends Base {
+}
+
+@Pipe({name: 'somePipe'})
+export class SomePipe extends Base {
+  transform(value: any) { return value; }
+}
+
+@Injectable()
+export class SomeService extends Base {
+}
+
+@NgModule({
+  declarations: [SomePublicComponent, SomePrivateComponent, SomeDirective, SomePipe],
+  exports: [SomeDirective, SomePipe, SomePublicComponent],
+  providers: [SomeService]
+})
+export class SomeModule extends Base {
+}

packages/compiler-cli/integrationtest/src/module.ts

@@ -28,6 +28,9 @@ import {CompUsingRootModuleDirectiveAndPipe, SomeDirectiveInRootModule, SomeLibM
 import {CompWithNgContent, ProjectingComp} from './projection';
 import {CompForChildQuery, CompWithChildQuery, CompWithDirectiveChild, DirectiveForQuery} from './queries';
 
+// Adding an export here so that TypeScript compiles the file as well
+export {SomeModule as JitSummariesSomeModule} from './jit_summaries';
+
 @NgModule({
   declarations: [
     AnimateCmp,

packages/compiler-cli/integrationtest/test/all_spec.ts

@@ -16,4 +16,5 @@ import './i18n_spec';
 import './ng_module_spec';
 import './projection_spec';
 import './query_spec';
-import './source_map_spec';
+import './source_map_spec';
+import './jit_summaries_spec';

packages/compiler-cli/integrationtest/test/jit_summaries_spec.ts

@@ -0,0 +1,73 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {Component} from '@angular/core';
+import {TestBed} from '@angular/core/testing';
+import {ServerTestingModule, platformServerTesting} from '@angular/platform-server/testing';
+
+import {SomeDep, SomeDirective, SomeModule, SomePipe, SomePrivateComponent, SomeService, expectInstanceCreated} from '../src/jit_summaries';
+import {SomeModuleNgSummary} from '../src/jit_summaries.ngsummary';
+
+describe('Jit Summaries', () => {
+  beforeEach(() => {
+    TestBed.initTestEnvironment(ServerTestingModule, platformServerTesting(), SomeModuleNgSummary);
+  });
+
+  afterEach(() => { TestBed.resetTestEnvironment(); });
+
+  it('should use directive metadata from summaries', () => {
+    @Component({template: '<div someDir></div>'})
+    class TestComp {
+    }
+
+    TestBed.configureTestingModule({providers: [SomeDep], declarations: [TestComp, SomeDirective]})
+        .createComponent(TestComp);
+    expectInstanceCreated(SomeDirective);
+  });
+
+  it('should use pipe metadata from summaries', () => {
+    @Component({template: '{{1 | somePipe}}'})
+    class TestComp {
+    }
+
+    TestBed.configureTestingModule({providers: [SomeDep], declarations: [TestComp, SomePipe]})
+        .createComponent(TestComp);
+    expectInstanceCreated(SomePipe);
+  });
+
+  it('should use Service metadata from summaries', () => {
+    TestBed.configureTestingModule({
+      providers: [SomeService, SomeDep],
+    });
+    TestBed.get(SomeService);
+    expectInstanceCreated(SomeService);
+  });
+
+  it('should use NgModule metadata from summaries', () => {
+    @Component({template: '<div someDir>{{1 | somePipe}}</div>'})
+    class TestComp {
+      constructor(service: SomeService) {}
+    }
+
+    TestBed
+        .configureTestingModule(
+            {providers: [SomeDep], declarations: [TestComp], imports: [SomeModule]})
+        .createComponent(TestComp);
+
+    expectInstanceCreated(SomeModule);
+    expectInstanceCreated(SomeDirective);
+    expectInstanceCreated(SomePipe);
+    expectInstanceCreated(SomeService);
+  });
+
+  it('should allow to create private components from imported NgModule summaries', () => {
+    TestBed.configureTestingModule({providers: [SomeDep], imports: [SomeModule]})
+        .createComponent(SomePrivateComponent);
+    expectInstanceCreated(SomePrivateComponent);
+  });
+});

packages/compiler-cli/integrationtest/test/util.ts

@@ -8,14 +8,14 @@
 
 import {NgModuleRef} from '@angular/core';
 import {ComponentFixture} from '@angular/core/testing';
-import {platformServer} from '@angular/platform-server';
+import {platformServerTesting} from '@angular/platform-server/testing';
 
 import {MainModule} from '../src/module';
 import {MainModuleNgFactory} from '../src/module.ngfactory';
 
 let mainModuleRef: NgModuleRef<MainModule> = null !;
 beforeEach((done) => {
-  platformServer().bootstrapModuleFactory(MainModuleNgFactory).then((moduleRef: any) => {
+  platformServerTesting().bootstrapModuleFactory(MainModuleNgFactory).then((moduleRef: any) => {
     mainModuleRef = moduleRef;
     done();
   });