view models

apps/website/lib/view-models/RaceViewModel.test.ts

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+import { describe, it, expect } from 'vitest';
+import { RaceViewModel } from './RaceViewModel';
+import type { RaceDTO } from '../types/generated/RaceDTO';
+
+const createRaceDto = (overrides: Partial<RaceDTO> = {}): RaceDTO => ({
+  id: 'race-1',
+  name: 'Season Opener',
+  date: '2025-01-01T20:00:00Z',
+  ...overrides,
+});
+
+describe('RaceViewModel', () => {
+  it('maps basic DTO fields', () => {
+    const dto = createRaceDto({ id: 'race-123', name: 'Test Race', date: '2025-02-01T18:30:00Z' });
+
+    const viewModel = new RaceViewModel(dto);
+
+    expect(viewModel.id).toBe('race-123');
+    expect(viewModel.name).toBe('Test Race');
+    expect(viewModel.date).toBe('2025-02-01T18:30:00Z');
+  });
+
+  it('exposes optional status, registeredCount and strengthOfField from constructor arguments', () => {
+    const dto = createRaceDto();
+
+    const viewModel = new RaceViewModel(dto, 'upcoming', 25, 3000);
+
+    expect(viewModel.status).toBe('upcoming');
+    expect(viewModel.registeredCount).toBe(25);
+    expect(viewModel.strengthOfField).toBe(3000);
+  });
+
+  it('formats date to locale string', () => {
+    const dto = createRaceDto({ date: '2025-01-01T20:00:00Z' });
+
+    const viewModel = new RaceViewModel(dto);
+
+    const formatted = viewModel.formattedDate;
+
+    expect(formatted).toContain('2025');
+  });
+});