From b844bd975a5650ffc47a25d392e142a68fa2d85f Mon Sep 17 00:00:00 2001
From: Michael Breu <Michael.Breu@arctis.at>
Date: Fri, 26 Jan 2024 09:52:17 +0100
Subject: [PATCH] starting with jest test
---
.../exercise/service/exercise.service.spec.ts | 68 +++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 src/main/webapp/app/exercise/service/exercise.service.spec.ts
diff --git a/src/main/webapp/app/exercise/service/exercise.service.spec.ts b/src/main/webapp/app/exercise/service/exercise.service.spec.ts
new file mode 100644
index 000000000..843e7016b
--- /dev/null
+++ b/src/main/webapp/app/exercise/service/exercise.service.spec.ts
@@ -0,0 +1,68 @@
+import { HttpClientModule } from '@angular/common/http';
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+import { TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { TranslateModule } from '@ngx-translate/core';
+import { ApplicationConfigService } from 'app/core/config/application-config.service';
+import { LocalStorageService, SessionStorageService } from 'ngx-webstorage';
+import { ExerciseService } from './exercise.service';
+
+describe('ExerciseService', () => {
+ let service: ExerciseService;
+ let httpMock: HttpTestingController;
+ let applicationConfigService: ApplicationConfigService;
+
+ beforeEach(() => {
+ TestBed.configureTestingModule({
+ imports: [HttpClientTestingModule, HttpClientModule, TranslateModule.forRoot(), RouterTestingModule],
+ declarations: [],
+ providers: [ApplicationConfigService, LocalStorageService, SessionStorageService],
+ });
+
+ applicationConfigService = TestBed.inject(ApplicationConfigService);
+ service = TestBed.inject(ExerciseService);
+ httpMock = TestBed.inject(HttpTestingController);
+ });
+
+ it('should inject', () => {
+ expect(service).toBeTruthy();
+ });
+
+ it('test Caching', () => {
+ let isInvoked443 = 0;
+ let isInvoked444 = 0;
+
+ service.loadExercise('443').subscribe(() => {
+ isInvoked443++;
+ });
+ service.loadExercise('444').subscribe(() => {
+ isInvoked444++;
+ });
+ expect(isInvoked443).toEqual(0); // still waiting for response
+ expect(isInvoked444).toEqual(0); // still waiting for response
+ const testRequest443 = httpMock.expectOne({
+ method: 'GET',
+ url: applicationConfigService.getEndpointFor('api/exercise/443'),
+ });
+ const testRequest444 = httpMock.expectOne({
+ method: 'GET',
+ url: applicationConfigService.getEndpointFor('api/exercise/444'),
+ });
+
+ testRequest443.flush({
+ kaese: 'kaese',
+ });
+ testRequest444.flush({
+ kaese: 'kaese',
+ });
+ expect(isInvoked443).toEqual(1);
+ expect(isInvoked444).toEqual(1);
+
+ service.loadExercise('444').subscribe(() => {
+ isInvoked444++;
+ });
+ expect(isInvoked444).toEqual(3); // result was returned immediately from cache
+ expect(isInvoked443).toEqual(2);
+ httpMock.expectNone({});
+ });
+});
--
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