WIP: Testing on detail service

client/src/app/instance/store/services/detail.service.spec.ts

+import { TestBed, inject } from '@angular/core/testing';
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+
+import { DetailService } from './detail.service';
+import { AppConfigService } from 'src/app/app-config.service';
+
+describe('DetailService', () => {
+    let service: DetailService;
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [HttpClientTestingModule],
+            providers: [
+                { provide: AppConfigService, useValue: { apiUrl: 'http://testing.com' } },
+                DetailService
+            ]
+        });
+        service = TestBed.inject(DetailService);
+    });
+
+    it('#retrieveData() should return an Observable<any[]>',
+        inject([HttpTestingController, DetailService],(httpMock: HttpTestingController, detailervice: DetailService) => {
+                const mockResponse = ['myData'];
+
+                detailervice.retrieveData('myQuery').subscribe((event: any[]) => {
+                    expect(event).toEqual(mockResponse);
+                });
+
+                const mockRequest = httpMock.expectOne('http://testing.com/search/myQuery');
+
+                expect(mockRequest.cancelled).toBeFalsy();
+                expect(mockRequest.request.responseType).toEqual('json');
+                mockRequest.flush(mockResponse);
+
+                httpMock.verify();
+            }
+        )
+    );
+
+    // it('#retrieveDataLength() should return an Observable<{ nb: number }[]>',
+    //     inject([HttpTestingController, SearchService],(httpMock: HttpTestingController, searchService: SearchService) => {
+    //             const mockResponse = [{ nb: 1 }];
+    //
+    //             searchService.retrieveDataLength('myQuery').subscribe((event: { nb: number }[]) => {
+    //                 expect(event).toEqual(mockResponse);
+    //             });
+    //
+    //             const mockRequest = httpMock.expectOne('http://testing.com/search/myQuery');
+    //
+    //             expect(mockRequest.cancelled).toBeFalsy();
+    //             expect(mockRequest.request.responseType).toEqual('json');
+    //             mockRequest.flush(mockResponse);
+    //
+    //             httpMock.verify();
+    //         }
+    //     )
+    // );
+});
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