refactor

core/racing/domain/entities/result/LapTime.test.ts

@@ -0,0 +1,45 @@
+import { LapTime } from './LapTime';
+import { RacingDomainValidationError } from '../../errors/RacingDomainError';
+
+describe('LapTime', () => {
+  describe('create', () => {
+    it('should create a LapTime with valid non-negative number', () => {
+      const lapTime = LapTime.create(120.5);
+      expect(lapTime.toNumber()).toBe(120.5);
+    });
+
+    it('should create with zero', () => {
+      const lapTime = LapTime.create(0);
+      expect(lapTime.toNumber()).toBe(0);
+    });
+
+    it('should throw error for negative number', () => {
+      expect(() => LapTime.create(-1)).toThrow(RacingDomainValidationError);
+    });
+
+    it('should throw error for NaN', () => {
+      expect(() => LapTime.create(NaN)).toThrow(RacingDomainValidationError);
+    });
+  });
+
+  describe('toNumber', () => {
+    it('should return the number value', () => {
+      const lapTime = LapTime.create(95.2);
+      expect(lapTime.toNumber()).toBe(95.2);
+    });
+  });
+
+  describe('equals', () => {
+    it('should return true for equal lap times', () => {
+      const lt1 = LapTime.create(100.0);
+      const lt2 = LapTime.create(100.0);
+      expect(lt1.equals(lt2)).toBe(true);
+    });
+
+    it('should return false for different lap times', () => {
+      const lt1 = LapTime.create(100.0);
+      const lt2 = LapTime.create(101.0);
+      expect(lt1.equals(lt2)).toBe(false);
+    });
+  });
+});