refactor

core/racing/domain/value-objects/CarId.test.ts

@@ -0,0 +1,34 @@
+import { describe, it, expect } from 'vitest';
+import { CarId } from './CarId';
+
+describe('CarId', () => {
+  it('should create a car id', () => {
+    const id = CarId.create('car1');
+    expect(id.toString()).toBe('car1');
+  });
+
+  it('should throw on empty id', () => {
+    expect(() => CarId.create('')).toThrow('Car ID cannot be empty');
+  });
+
+  it('should throw on whitespace id', () => {
+    expect(() => CarId.create('   ')).toThrow('Car ID cannot be empty');
+  });
+
+  it('should trim whitespace', () => {
+    const id = CarId.create('  car1  ');
+    expect(id.toString()).toBe('car1');
+  });
+
+  it('should equal same id', () => {
+    const id1 = CarId.create('car1');
+    const id2 = CarId.create('car1');
+    expect(id1.equals(id2)).toBe(true);
+  });
+
+  it('should not equal different id', () => {
+    const id1 = CarId.create('car1');
+    const id2 = CarId.create('car2');
+    expect(id1.equals(id2)).toBe(false);
+  });
+});