feat(community): add getAllMemberships() to frontend MembershipService

Add method to fetch all admin memberships via GET /api/community/admin/memberships
with corresponding unit tests using Angular HttpClientTestingModule.

eeg_frontend/src/app/services/membership.spec.ts

@@ -0,0 +1,126 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import {
+  HttpTestingController,
+  provideHttpClientTesting,
+} from '@angular/common/http/testing';
+import { MembershipService, PendingMembershipResponse } from './membership';
+
+describe('MembershipService', () => {
+  let service: MembershipService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient(), provideHttpClientTesting()],
+    });
+    service = TestBed.inject(MembershipService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => {
+    httpMock.verify();
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+
+  describe('getAllMemberships', () => {
+    it('should return all memberships via GET /api/community/admin/memberships', () => {
+      const mockMemberships: PendingMembershipResponse[] = [
+        {
+          id: '1',
+          userEmail: 'user1@test.at',
+          firstName: 'Max',
+          lastName: 'Mustermann',
+          atNumber: 'AT0000000000000000001',
+          communityName: 'Test EG',
+          priorityLevel: 1,
+          status: 'PENDING',
+        },
+        {
+          id: '2',
+          userEmail: 'user2@test.at',
+          firstName: 'Anna',
+          lastName: 'Musterfrau',
+          atNumber: 'AT0000000000000000002',
+          communityName: 'Test EG',
+          priorityLevel: 2,
+          status: 'ACTIVE',
+        },
+      ];
+
+      service.getAllMemberships().subscribe((result) => {
+        expect(result).toEqual(mockMemberships);
+        expect(result.length).toBe(2);
+      });
+
+      const req = httpMock.expectOne(
+        'http://localhost:8080/api/community/admin/memberships',
+      );
+      expect(req.request.method).toBe('GET');
+      req.flush(mockMemberships);
+    });
+
+    it('should return an empty array when no memberships exist', () => {
+      service.getAllMemberships().subscribe((result) => {
+        expect(result).toEqual([]);
+      });
+
+      const req = httpMock.expectOne(
+        'http://localhost:8080/api/community/admin/memberships',
+      );
+      expect(req.request.method).toBe('GET');
+      req.flush([]);
+    });
+
+    it('should include memberships with all status values', () => {
+      const mockMemberships: PendingMembershipResponse[] = [
+        {
+          id: '1',
+          userEmail: 'a@test.at',
+          firstName: 'A',
+          lastName: 'B',
+          atNumber: 'AT001',
+          communityName: 'EG1',
+          priorityLevel: 1,
+          status: 'PENDING',
+        },
+        {
+          id: '2',
+          userEmail: 'c@test.at',
+          firstName: 'C',
+          lastName: 'D',
+          atNumber: 'AT002',
+          communityName: 'EG1',
+          priorityLevel: 1,
+          status: 'ACTIVE',
+        },
+        {
+          id: '3',
+          userEmail: 'e@test.at',
+          firstName: 'E',
+          lastName: 'F',
+          atNumber: 'AT003',
+          communityName: 'EG2',
+          priorityLevel: 1,
+          status: 'INACTIVE',
+        },
+      ];
+
+      service.getAllMemberships().subscribe((result) => {
+        expect(result.length).toBe(3);
+        const statuses = result.map((m) => m.status);
+        expect(statuses).toContain('PENDING');
+        expect(statuses).toContain('ACTIVE');
+        expect(statuses).toContain('INACTIVE');
+      });
+
+      const req = httpMock.expectOne(
+        'http://localhost:8080/api/community/admin/memberships',
+      );
+      req.flush(mockMemberships);
+    });
+  });
+});

eeg_frontend/src/app/services/membership.ts

@@ -60,6 +60,10 @@ export class MembershipService {
     return this.http.get<PendingMembershipResponse[]>(`${this.apiUrl}/admin/memberships/pending`);
   }
 
+  getAllMemberships(): Observable<PendingMembershipResponse[]> {
+    return this.http.get<PendingMembershipResponse[]>(`${this.apiUrl}/admin/memberships`);
+  }
+
   approveMembership(id: string): Observable<void> {
     return this.http.put<void>(`${this.apiUrl}/admin/memberships/${id}/approve`, {});
   }