fix(spectator): make mock template type safe (#607)

BREAKING CHANGE: introducing type safety for the template values in
createSpyObject and mockProvider. This might cause breaking builds
because the compiler will find issues hidden until now.

Author: szabyg

projects/spectator/src/lib/mock.ts

@@ -70,7 +70,7 @@ export function installProtoMethods<T>(mock: any, proto: any, createSpyFn: Funct
 /**
  * @publicApi
  */
-export function createSpyObject<T>(type: Type<T> | AbstractType<T>, template?: Partial<Record<keyof T, any>>): SpyObject<T> {
+export function createSpyObject<T>(type: Type<T> | AbstractType<T>, template?: Partial<T>): SpyObject<T> {
   const mock: any = { ...template } || {};
 
   installProtoMethods<T>(mock, type.prototype, name => {
@@ -90,7 +90,7 @@ export function createSpyObject<T>(type: Type<T> | AbstractType<T>, template?: P
 /**
  * @publicApi
  */
-export function mockProvider<T>(type: Type<T> | AbstractType<T>, properties?: Partial<Record<keyof T, any>>): FactoryProvider {
+export function mockProvider<T>(type: Type<T> | AbstractType<T>, properties?: Partial<T>): FactoryProvider {
   return {
     provide: type,
     useFactory: () => createSpyObject(type, properties)

projects/spectator/src/lib/spectator-routing/initial-module.ts

@@ -14,14 +14,15 @@ import { RouterStub } from './router-stub';
  */
 export function initialRoutingModule<S>(options: Required<SpectatorRoutingOptions<S>>): ModuleMetadata {
   const moduleMetadata = initialSpectatorModule(options);
+  const eventsSubject = new Subject<Event>();
 
   if (options.stubsEnabled) {
     moduleMetadata.imports.push(RouterTestingModule);
     moduleMetadata.providers.push(
       options.mockProvider(RouterStub, {
-        events: new Subject<Event>(),
+        events: eventsSubject.asObservable(),
         emitRouterEvent(event: Event): void {
-          this.events.next(event);
+          eventsSubject.next(event);
         },
         serializeUrl(): string {
           return '/';