import { describe, expect, it } from 'vitest';
import { RacingDomainValidationError } from '../../errors/RacingDomainError';
import { Position } from './Position';

describe('Position', () => {
  describe('create', () => {
    it('should create a Position with valid positive integer', () => {
      const position = Position.create(1);
      expect(position.toNumber()).toBe(1);
    });

    it('should throw error for zero', () => {
      expect(() => Position.create(0)).toThrow(RacingDomainValidationError);
    });

    it('should throw error for negative number', () => {
      expect(() => Position.create(-1)).toThrow(RacingDomainValidationError);
    });

    it('should throw error for non-integer', () => {
      expect(() => Position.create(1.5)).toThrow(RacingDomainValidationError);
    });
  });

  describe('toNumber', () => {
    it('should return the number value', () => {
      const position = Position.create(5);
      expect(position.toNumber()).toBe(5);
    });
  });

  describe('equals', () => {
    it('should return true for equal positions', () => {
      const pos1 = Position.create(2);
      const pos2 = Position.create(2);
      expect(pos1.equals(pos2)).toBe(true);
    });

    it('should return false for different positions', () => {
      const pos1 = Position.create(2);
      const pos2 = Position.create(3);
      expect(pos1.equals(pos2)).toBe(false);
    });
  });
});