started testing

src/app/services/api.service.spec.ts

@@ -10,6 +10,7 @@ let httpClientSpy: jasmine.SpyObj<HttpClient>;
 let localStorageServiceSpy: jasmine.SpyObj<LocalStorageService>;
 let modalServiceSpy: jasmine.SpyObj<ModalService>;
 
+// TODO
 // TODO: test options
 
 describe('ApiService', () => {

src/app/services/autocomplete.service.spec.ts

@@ -2,6 +2,8 @@ import { TestBed } from '@angular/core/testing';
 
 import { AutocompleteService } from './autocomplete.service';
 
+// TODO
+
 let autocompleteService: AutocompleteService;
 
 describe('AutocompleteService', () => {

src/app/services/data.service.spec.ts

@@ -1,13 +1,30 @@
 import { TestBed } from '@angular/core/testing';
 
 import { DataService } from './data.service';
+import {ApiService} from './api.service';
+import {HttpClient} from '@angular/common/http';
+import {LocalStorageService} from 'angular-2-local-storage';
+import {ModalService} from '@inst-iot/bosch-angular-ui-components';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+
 
 describe('DataService', () => {
   let service: DataService;
 
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+
+    TestBed.configureTestingModule({
+      providers: [
+        {provide: ApiService, useValue: apiSpy}
+      ]
+    });
     service = TestBed.inject(DataService);
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
   });
 
   it('should be created', () => {

src/app/services/login.service.spec.ts

@@ -4,6 +4,8 @@ import { LoginService } from './login.service';
 import {LocalStorageService} from 'angular-2-local-storage';
 import {ApiService} from './api.service';
 
+// TODO
+
 let loginService: LoginService;
 let apiServiceSpy: jasmine.SpyObj<ApiService>;
 let localStorageServiceSpy: jasmine.SpyObj<LocalStorageService>;

src/app/services/validation.service.spec.ts

@@ -1,6 +1,8 @@
 import { TestBed } from '@angular/core/testing';
 import { ValidationService } from './validation.service';
 
+// TODO
+
 let validationService: ValidationService;
 
 describe('ValidationService', () => {