refactor

core/racing/domain/entities/RegisteredAt.test.ts

@@ -0,0 +1,44 @@
+import { RegisteredAt } from './RegisteredAt';
+import { RacingDomainValidationError } from '../errors/RacingDomainError';
+
+describe('RegisteredAt', () => {
+  describe('create', () => {
+    it('should create a RegisteredAt with a valid date', () => {
+      const date = new Date('2023-01-01T00:00:00Z');
+      const registeredAt = RegisteredAt.create(date);
+      expect(registeredAt.toDate()).toEqual(date);
+    });
+
+    it('should throw an error for invalid date', () => {
+      expect(() => RegisteredAt.create(new Date('invalid'))).toThrow(RacingDomainValidationError);
+    });
+  });
+
+  describe('toDate', () => {
+    it('should return a copy of the date', () => {
+      const date = new Date();
+      const registeredAt = RegisteredAt.create(date);
+      const result = registeredAt.toDate();
+      expect(result).toEqual(date);
+      expect(result).not.toBe(date); // should be a copy
+    });
+  });
+
+  describe('equals', () => {
+    it('should return true for equal dates', () => {
+      const date1 = new Date('2023-01-01T00:00:00Z');
+      const date2 = new Date('2023-01-01T00:00:00Z');
+      const registeredAt1 = RegisteredAt.create(date1);
+      const registeredAt2 = RegisteredAt.create(date2);
+      expect(registeredAt1.equals(registeredAt2)).toBe(true);
+    });
+
+    it('should return false for different dates', () => {
+      const date1 = new Date('2023-01-01T00:00:00Z');
+      const date2 = new Date('2023-01-02T00:00:00Z');
+      const registeredAt1 = RegisteredAt.create(date1);
+      const registeredAt2 = RegisteredAt.create(date2);
+      expect(registeredAt1.equals(registeredAt2)).toBe(false);
+    });
+  });
+});