Assignment service tests

frontend/src/app/dashboard/dashboard.component.spec.ts

@@ -1,14 +1,16 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { DashboardComponent } from './dashboard.component';
+import { provideHttpClient } from '@angular/common/http';
 
 describe('DashboardComponent', () => {
   let component: DashboardComponent;
   let fixture: ComponentFixture<DashboardComponent>;
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [DashboardComponent]
+      imports: [DashboardComponent],
+      providers: [provideHttpClient()]
     })
     .compileComponents();
 

frontend/src/app/data/assignment.service.spec.ts

@@ -1,16 +1,42 @@
 import { TestBed } from '@angular/core/testing';
+import {
+    HttpClientTestingModule,
+    HttpTestingController,
+} from '@angular/common/http/testing';
 
 import { AssignmentService } from './assignment.service';
+import { Assignment } from './assignment.model';
+
+const mockEntity = new Assignment(1, "Test task");
 
 describe('AssignmentService', () => {
-  let service: AssignmentService;
+    let service: AssignmentService;
+    let httpController: HttpTestingController;
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [HttpClientTestingModule],
+        });
+
+        service = TestBed.inject(AssignmentService);
+        httpController = TestBed.inject(HttpTestingController);
+    });
+
+    it('should be created', () => {
+        expect(service).toBeTruthy();
+    });
 
-  beforeEach(() => {
-    TestBed.configureTestingModule({});
-    service = TestBed.inject(AssignmentService);
-  });
+    it('should list assignments', () => {
+        service.list().subscribe((result) => {
+            expect(result).toEqual([mockEntity]);
+        });
+
+        const req = httpController.expectOne({
+            method: 'GET',
+            url: '/api/Assignment/List',
+        });
 
-  it('should be created', () => {
-    expect(service).toBeTruthy();
-  });
+        req.flush([mockEntity]);
+        httpController.verify();
+    });
 });