feat: add unit tests for tenant, guarantor, lease card, dashboard, session, theme, and workspace services

frontend/src/app/components/dashboard-page/dashboard-page.spec.ts

@@ -0,0 +1,54 @@
+import { HttpClient } from '@angular/common/http';
+import { TestBed } from '@angular/core/testing';
+import { Router } from '@angular/router';
+import { of, throwError } from 'rxjs';
+import { vi } from 'vitest';
+import { SessionService } from '../../services/session.service';
+import { WorkspaceService } from '../../services/workspace.service';
+import { DashboardPage } from './dashboard-page';
+
+describe('DashboardPage', () => {
+  const http = { get: vi.fn() };
+  const router = { navigateByUrl: vi.fn() };
+  const session = { username: vi.fn(() => 'camille'), email: vi.fn(() => 'camille@example.com') };
+  const workspace = { apartments: vi.fn(() => []), loadApartments: vi.fn() };
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    TestBed.configureTestingModule({
+      providers: [
+        { provide: HttpClient, useValue: http },
+        { provide: Router, useValue: router },
+        { provide: SessionService, useValue: session },
+        { provide: WorkspaceService, useValue: workspace },
+      ],
+    });
+  });
+
+  it('loads the workspace and displays the user initial', () => {
+    const fixture = TestBed.createComponent(DashboardPage);
+
+    expect(workspace.loadApartments).toHaveBeenCalled();
+    expect(fixture.componentInstance.userInitial()).toBe('C');
+  });
+
+  it('shows the backend response or connection error', () => {
+    const fixture = TestBed.createComponent(DashboardPage);
+    const component = fixture.componentInstance;
+    http.get.mockReturnValueOnce(of('Hello'));
+    component.checkConnection();
+    http.get.mockReturnValueOnce(throwError(() => ({ statusText: 'Offline' })));
+    component.checkConnection();
+
+    expect(http.get).toHaveBeenCalledWith('/api/hello', { responseType: 'text' });
+    expect(component.helloMessage()).toBe('Failed to connect to backend: Offline');
+  });
+
+  it('navigates to apartments', () => {
+    const fixture = TestBed.createComponent(DashboardPage);
+
+    fixture.componentInstance.showApartments();
+
+    expect(router.navigateByUrl).toHaveBeenCalledWith('/apartments');
+  });
+});