import { describe, expect, it } from 'vitest';
import { DashboardConsistencyDisplay } from './DashboardConsistencyFormatter';

describe('DashboardConsistencyDisplay', () => {
  describe('happy paths', () => {
    it('should format consistency correctly', () => {
      expect(DashboardConsistencyDisplay.format(0)).toBe('0%');
      expect(DashboardConsistencyDisplay.format(50)).toBe('50%');
      expect(DashboardConsistencyDisplay.format(100)).toBe('100%');
    });
  });

  describe('edge cases', () => {
    it('should handle decimal consistency', () => {
      expect(DashboardConsistencyDisplay.format(85.5)).toBe('85.5%');
      expect(DashboardConsistencyDisplay.format(99.9)).toBe('99.9%');
    });

    it('should handle negative consistency', () => {
      expect(DashboardConsistencyDisplay.format(-10)).toBe('-10%');
    });
  });
});