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/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);
+  });
+});