test: add missing test preview list (#74)

Author: Nicoss54

apps/35-performances-solution/src/app/feature/people/components/preview-list/preview-list.spec.ts

@@ -0,0 +1,55 @@
+import type { ComponentFixture } from '@angular/core/testing';
+import { render } from '@testing-library/angular';
+import type { People } from '../../../../shared/models/people.model';
+import { PreviewList } from './preview-list';
+
+const MOCK_PEOPLE: People[] = [
+  {
+    id: '1',
+    firstname: 'Alice',
+    lastname: 'Smith',
+    entity: 'Engineering',
+    email: '[email protected]',
+    phone: '1234567890',
+    manager: 'Bob Johnson',
+    isManager: true,
+    photo: 'https://randomuser.me/api/portraits/women/1.jpg',
+  },
+  {
+    id: '2',
+    firstname: 'Bob',
+    lastname: 'Johnson',
+    entity: 'HR',
+    email: '[email protected]',
+    phone: '0987654321',
+    manager: 'Alice Smith',
+    isManager: false,
+    photo: 'https://randomuser.me/api/portraits/men/2.jpg',
+  },
+] as People[];
+
+describe('PreviewList', () => {
+  let fixture: ComponentFixture<PreviewList>;
+  let component: PreviewList;
+
+  beforeEach(async () => {
+    const { fixture: componentFixture } = await render(PreviewList, { inputs: { people: MOCK_PEOPLE } });
+    fixture = componentFixture;
+    component = fixture.componentInstance;
+  });
+
+  describe('Basic rendering', () => {
+    test('should create an instance of PreviewList', () => {
+      expect(component).toBeTruthy();
+      expect(component).toBeInstanceOf(PreviewList);
+    });
+    test('should display the list of people', () => {
+      const peopleList = fixture.nativeElement.querySelector('mat-list');
+      expect(peopleList).toBeTruthy();
+    });
+    test('should display the correct number of people', () => {
+      const peopleList = fixture.nativeElement.querySelectorAll('mat-list-item');
+      expect(peopleList.length).toEqual(MOCK_PEOPLE.length);
+    });
+  });
+});