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');
+  });
+});

frontend/src/app/components/guarantor-form/guarantor-form.spec.ts

@@ -0,0 +1,38 @@
+import { TestBed } from '@angular/core/testing';
+import { vi } from 'vitest';
+import { GuarantorForm } from './guarantor-form';
+
+describe('GuarantorForm', () => {
+  it('marks an invalid form as touched without submitting it', () => {
+    const fixture = TestBed.createComponent(GuarantorForm);
+    const markAllAsTouched = vi.fn();
+    const submitted = vi.fn();
+    fixture.componentInstance.submitted.subscribe(submitted);
+
+    fixture.componentInstance.save({ invalid: true, control: { markAllAsTouched } } as never);
+
+    expect(markAllAsTouched).toHaveBeenCalled();
+    expect(submitted).not.toHaveBeenCalled();
+  });
+
+  it('emits trimmed data and resets the form after saving', () => {
+    const fixture = TestBed.createComponent(GuarantorForm);
+    const component = fixture.componentInstance;
+    const submitted = vi.fn();
+    const resetForm = vi.fn();
+    component.submitted.subscribe(submitted);
+    component.firstName.set(' Alex ');
+    component.lastName.set(' Durand ');
+    component.email.set(' alex@example.com ');
+    component.phone.set(' 0600000000 ');
+    component.address.set(' 1 rue de Paris ');
+
+    component.save({ invalid: false, resetForm } as never);
+
+    expect(submitted).toHaveBeenCalledWith({
+      firstName: 'Alex', lastName: 'Durand', email: 'alex@example.com', phone: '0600000000', address: '1 rue de Paris',
+    });
+    expect(component.firstName()).toBe('');
+    expect(resetForm).toHaveBeenCalled();
+  });
+});

frontend/src/app/components/lease-card/lease-card.spec.ts

@@ -0,0 +1,26 @@
+import { TestBed } from '@angular/core/testing';
+import { LeaseCard } from './lease-card';
+
+describe('LeaseCard', () => {
+  it('resolves apartment, tenants, and every status label', () => {
+    const fixture = TestBed.createComponent(LeaseCard);
+    fixture.componentRef.setInput('apartments', [{ id: 'apartment-1', name: 'T2', address: '', purchasePrice: 0, description: '' }]);
+    fixture.componentRef.setInput('tenants', [
+      { id: 'tenant-1', firstName: 'Camille', lastName: 'Martin', email: '', phone: '', address: '' },
+      { id: 'tenant-2', firstName: 'Alex', lastName: 'Durand', email: '', phone: '', address: '' },
+    ]);
+    fixture.componentRef.setInput('lease', {
+      apartmentId: 'apartment-1', tenantIds: ['tenant-1', 'missing', 'tenant-2'], guarantors: [], startDate: '', endDate: '', monthlyRent: 0, monthlyCharges: 0, securityDeposit: 0, status: 'DRAFT',
+    });
+    const component = fixture.componentInstance;
+
+    expect(component.apartmentName()).toBe('T2');
+    expect(component.tenantNames()).toBe('Camille Martin, Alex Durand');
+    expect(component.statusLabel()).toBe('Bail en préparation');
+    fixture.componentRef.setInput('lease', { ...component.lease(), status: 'ACTIVE' });
+    expect(component.statusLabel()).toBe('Bail actif');
+    fixture.componentRef.setInput('lease', { ...component.lease(), apartmentId: 'missing', status: 'ARCHIVED' });
+    expect(component.apartmentName()).toBe('Bien inconnu');
+    expect(component.statusLabel()).toBe('Bail archivé');
+  });
+});

frontend/src/app/components/tenant-form/tenant-form.spec.ts

@@ -1,4 +1,5 @@
 import { TestBed } from '@angular/core/testing';
+import { vi } from 'vitest';
 import { TenantForm } from './tenant-form';
 
 describe('TenantForm', () => {
@@ -15,4 +16,21 @@ describe('TenantForm', () => {
 
     expect(firstName).toBe('Camille');
   });
+
+  it('loads an existing tenant and leaves invalid data untouched', () => {
+    const fixture = TestBed.createComponent(TenantForm);
+    fixture.componentRef.setInput('tenant', {
+      id: 'tenant-1', firstName: 'Camille', lastName: 'Martin', email: 'camille@example.com', phone: '0600000000', address: '1 rue de Paris',
+    });
+    fixture.detectChanges();
+    const markAllAsTouched = vi.fn();
+    const submitted = vi.fn();
+    fixture.componentInstance.submitted.subscribe(submitted);
+
+    fixture.componentInstance.save({ invalid: true, control: { markAllAsTouched } } as never);
+
+    expect(fixture.componentInstance.firstName()).toBe('Camille');
+    expect(markAllAsTouched).toHaveBeenCalled();
+    expect(submitted).not.toHaveBeenCalled();
+  });
 });