view models

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

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+import { describe, it, expect } from 'vitest';
+import { RaceResultViewModel } from './RaceResultViewModel';
+import { RaceResultDTO } from '../types/generated/RaceResultDTO';
+
+describe('RaceResultViewModel', () => {
+  const mockDTO: RaceResultDTO = {
+    driverId: '1',
+    driverName: 'Test Driver',
+    avatarUrl: 'http://example.com/avatar.jpg',
+    position: 3,
+    startPosition: 5,
+    incidents: 2,
+    fastestLap: 90.5,
+    positionChange: 2,
+    isPodium: true,
+    isClean: false
+  };
+
+  it('should create instance from DTO', () => {
+    const viewModel = new RaceResultViewModel(mockDTO);
+    
+    expect(viewModel.driverId).toBe('1');
+    expect(viewModel.position).toBe(3);
+  });
+
+  it('should show positive position change', () => {
+    const viewModel = new RaceResultViewModel(mockDTO);
+    
+    expect(viewModel.positionChangeDisplay).toBe('+2');
+    expect(viewModel.positionChangeColor).toBe('green');
+  });
+
+  it('should show negative position change', () => {
+    const dto = { ...mockDTO, positionChange: -3 };
+    const viewModel = new RaceResultViewModel(dto);
+    
+    expect(viewModel.positionChangeDisplay).toBe('-3');
+    expect(viewModel.positionChangeColor).toBe('red');
+  });
+
+  it('should detect winner', () => {
+    const dto = { ...mockDTO, position: 1 };
+    const viewModel = new RaceResultViewModel(dto);
+    
+    expect(viewModel.isWinner).toBe(true);
+  });
+
+  it('should detect fastest lap', () => {
+    const viewModel = new RaceResultViewModel(mockDTO);
+    
+    expect(viewModel.hasFastestLap).toBe(true);
+  });
+
+  it('should format lap time correctly', () => {
+    const viewModel = new RaceResultViewModel(mockDTO);
+    
+    expect(viewModel.lapTimeFormatted).toBe('1:30.500');
+  });
+
+  it('should show correct incidents badge color', () => {
+    const cleanDTO = { ...mockDTO, incidents: 0 };
+    const viewModel = new RaceResultViewModel(cleanDTO);
+    
+    expect(viewModel.incidentsBadgeColor).toBe('green');
+  });
+
+  it('should handle no lap time', () => {
+    const dto = { ...mockDTO, fastestLap: 0 };
+    const viewModel = new RaceResultViewModel(dto);
+    
+    expect(viewModel.lapTimeFormatted).toBe('--:--.---');
+  });
+});