feat(reviews): support in-memory backend delegate (#3194)

Author: griest024

libs/reviews/driver/in-memory/src/backend/reviews.service.ts

@@ -5,10 +5,12 @@ import {
   STATUS,
 } from 'angular-in-memory-web-api';
 
-import { DaffInMemoryDataServiceInterface } from '@daffodil/driver/in-memory';
+import { DaffInMemorySingleRouteableBackend } from '@daffodil/driver/in-memory';
 import { DaffProductReviews } from '@daffodil/reviews';
 import { DaffProductReviewsFactory } from '@daffodil/reviews/testing';
 
+import { DAFF_REVIEWS_IN_MEMORY_COLLECTION_NAME } from '../collection-name.const';
+
 /**
  * An in-memory service that stubs out the backend services for getting reviews.
  *
@@ -17,7 +19,9 @@ import { DaffProductReviewsFactory } from '@daffodil/reviews/testing';
 @Injectable({
   providedIn: 'root',
 })
-export class DaffReviewsInMemoryBackendService implements InMemoryDbService, DaffInMemoryDataServiceInterface {
+export class DaffReviewsInMemoryBackendService implements InMemoryDbService, DaffInMemorySingleRouteableBackend {
+  readonly collectionName = DAFF_REVIEWS_IN_MEMORY_COLLECTION_NAME;
+
   reviews: DaffProductReviews;
 
   constructor(

libs/reviews/driver/in-memory/src/collection-name.const.ts

@@ -0,0 +1 @@
+export const DAFF_REVIEWS_IN_MEMORY_COLLECTION_NAME = 'reviews';

libs/reviews/driver/in-memory/src/drivers/reviews-driver.module.ts

@@ -4,9 +4,11 @@ import {
   ModuleWithProviders,
 } from '@angular/core';
 
+import { provideDaffInMemoryBackends } from '@daffodil/driver/in-memory';
 import { DaffReviewsDriver } from '@daffodil/reviews/driver';
 
 import { DaffReviewsInMemoryService } from './reviews.service';
+import { DaffReviewsInMemoryBackendService } from '../backend/reviews.service';
 
 @NgModule({
   imports: [
@@ -22,6 +24,7 @@ export class DaffReviewsInMemoryDriverModule {
           provide: DaffReviewsDriver,
           useExisting: DaffReviewsInMemoryService,
         },
+        provideDaffInMemoryBackends(DaffReviewsInMemoryBackendService),
       ],
     };
   }

libs/reviews/driver/in-memory/src/drivers/reviews.service.spec.ts

@@ -7,6 +7,7 @@ import {
   provideHttpClientTesting,
 } from '@angular/common/http/testing';
 import { TestBed } from '@angular/core/testing';
+import { InMemoryBackendConfig } from 'angular-in-memory-web-api';
 import { of } from 'rxjs';
 import { catchError } from 'rxjs/operators';
 
@@ -30,6 +31,12 @@ describe('@daffodil/reviews/driver/in-memory | DaffReviewsInMemoryService', () =
       imports: [],
       providers: [
         DaffReviewsInMemoryService,
+        {
+          provide: InMemoryBackendConfig,
+          useValue: {
+            apiBase: 'api',
+          },
+        },
         provideHttpClient(withInterceptorsFromDi()),
         provideHttpClientTesting(),
       ],
@@ -58,7 +65,7 @@ describe('@daffodil/reviews/driver/in-memory | DaffReviewsInMemoryService', () =
         done();
       });
 
-      const req = httpMock.expectOne(`${service.url}/`);
+      const req = httpMock.expectOne(`${service['url']}/`);
 
       expect(req.request.method).toBe('GET');
       req.flush(mockReviews);

libs/reviews/driver/in-memory/src/drivers/reviews.service.ts

@@ -1,20 +1,27 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
+import { InMemoryBackendConfig } from 'angular-in-memory-web-api';
 import { Observable } from 'rxjs';
 
+import { DaffInMemoryDriverBase } from '@daffodil/driver/in-memory';
 import { DaffProductReviews } from '@daffodil/reviews';
 import { DaffProductReviewsServiceInterface } from '@daffodil/reviews/driver';
 
+import { DAFF_REVIEWS_IN_MEMORY_COLLECTION_NAME } from '../collection-name.const';
+
 /**
  * @inheritdoc
  */
 @Injectable({
   providedIn: 'root',
 })
-export class DaffReviewsInMemoryService implements DaffProductReviewsServiceInterface {
-  url = '/api/reviews';
-
-  constructor(private http: HttpClient) {}
+export class DaffReviewsInMemoryService extends DaffInMemoryDriverBase implements DaffProductReviewsServiceInterface {
+  constructor(
+    private http: HttpClient,
+    config: InMemoryBackendConfig,
+  ) {
+    super(config, DAFF_REVIEWS_IN_MEMORY_COLLECTION_NAME);
+  }
 
   list(): Observable<DaffProductReviews> {
     return this.http.get<DaffProductReviews>(`${this.url}/`);