refactor

core/racing/domain/entities/championship/Position.test.ts

@@ -0,0 +1,33 @@
+import { describe, it, expect } from 'vitest';
+import { Position } from './Position';
+
+describe('Position', () => {
+  it('should create position', () => {
+    const position = Position.create(1);
+    expect(position.toNumber()).toBe(1);
+  });
+
+  it('should not create zero position', () => {
+    expect(() => Position.create(0)).toThrow('Position must be a positive integer');
+  });
+
+  it('should not create negative position', () => {
+    expect(() => Position.create(-1)).toThrow('Position must be a positive integer');
+  });
+
+  it('should not create non-integer position', () => {
+    expect(() => Position.create(1.5)).toThrow('Position must be a positive integer');
+  });
+
+  it('should equal same position', () => {
+    const p1 = Position.create(2);
+    const p2 = Position.create(2);
+    expect(p1.equals(p2)).toBe(true);
+  });
+
+  it('should not equal different position', () => {
+    const p1 = Position.create(2);
+    const p2 = Position.create(3);
+    expect(p1.equals(p2)).toBe(false);
+  });
+});