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

describe('IncidentCount', () => {
  describe('create', () => {
    it('should create an IncidentCount with valid non-negative integer', () => {
      const incidentCount = IncidentCount.create(5);
      expect(incidentCount.toNumber()).toBe(5);
    });

    it('should create with zero', () => {
      const incidentCount = IncidentCount.create(0);
      expect(incidentCount.toNumber()).toBe(0);
    });

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

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

  describe('toNumber', () => {
    it('should return the number value', () => {
      const incidentCount = IncidentCount.create(3);
      expect(incidentCount.toNumber()).toBe(3);
    });
  });

  describe('equals', () => {
    it('should return true for equal incident counts', () => {
      const ic1 = IncidentCount.create(2);
      const ic2 = IncidentCount.create(2);
      expect(ic1.equals(ic2)).toBe(true);
    });

    it('should return false for different incident counts', () => {
      const ic1 = IncidentCount.create(2);
      const ic2 = IncidentCount.create(3);
      expect(ic1.equals(ic2)).toBe(false);
    });
  });
});