view models

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

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+import { describe, it, expect } from 'vitest';
+import { DriverViewModel } from './DriverViewModel';
+
+describe('DriverViewModel', () => {
+  it('should create instance with all properties', () => {
+    const dto = {
+      id: 'driver-123',
+      name: 'John Doe',
+      avatarUrl: 'https://example.com/avatar.jpg',
+      iracingId: 'iracing-456',
+      rating: 1500,
+    };
+
+    const viewModel = new DriverViewModel(dto);
+
+    expect(viewModel.id).toBe('driver-123');
+    expect(viewModel.name).toBe('John Doe');
+    expect(viewModel.avatarUrl).toBe('https://example.com/avatar.jpg');
+    expect(viewModel.iracingId).toBe('iracing-456');
+    expect(viewModel.rating).toBe(1500);
+  });
+
+  it('should create instance with only required properties', () => {
+    const dto = {
+      id: 'driver-123',
+      name: 'John Doe',
+    };
+
+    const viewModel = new DriverViewModel(dto);
+
+    expect(viewModel.id).toBe('driver-123');
+    expect(viewModel.name).toBe('John Doe');
+    expect(viewModel.avatarUrl).toBeUndefined();
+    expect(viewModel.iracingId).toBeUndefined();
+    expect(viewModel.rating).toBeUndefined();
+  });
+
+  it('should return true for hasIracingId when iracingId exists', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      iracingId: 'iracing-456',
+    });
+
+    expect(viewModel.hasIracingId).toBe(true);
+  });
+
+  it('should return false for hasIracingId when iracingId is undefined', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+    });
+
+    expect(viewModel.hasIracingId).toBe(false);
+  });
+
+  it('should return false for hasIracingId when iracingId is empty string', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      iracingId: '',
+    });
+
+    expect(viewModel.hasIracingId).toBe(false);
+  });
+
+  it('should format rating correctly when rating exists', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      rating: 1547.89,
+    });
+
+    expect(viewModel.formattedRating).toBe('1548');
+  });
+
+  it('should return "Unrated" when rating is undefined', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+    });
+
+    expect(viewModel.formattedRating).toBe('Unrated');
+  });
+
+  it('should handle zero rating', () => {
+    const viewModel = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      rating: 0,
+    });
+
+    expect(viewModel.formattedRating).toBe('Unrated');
+  });
+
+  it('should round rating to nearest integer', () => {
+    const viewModel1 = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      rating: 1500.4,
+    });
+    const viewModel2 = new DriverViewModel({
+      id: 'driver-123',
+      name: 'John Doe',
+      rating: 1500.6,
+    });
+
+    expect(viewModel1.formattedRating).toBe('1500');
+    expect(viewModel2.formattedRating).toBe('1501');
+  });
+});