import { test, expect } from '@playwright/test';
import { calculateContrastRatio, meetsWCAGStandard } from '@/lib/color-contrast';

test('should calculate correct contrast ratio for black on white', () => {
  const ratio = calculateContrastRatio('#000000', '#FFFFFF');
  expect(ratio).toBeCloseTo(21, 1);
});

test('should identify WCAG AA compliance for normal text', () => {
  const result = meetsWCAGStandard('#000000', '#FFFFFF', 'AA', 'normal');
  expect(result.passes).toBe(true);
  expect(result.ratio).toBeGreaterThan(4.5);
});

test('should fail WCAG AA for low contrast colors', () => {
  const result = meetsWCAGStandard('#808080', '#FFFFFF', 'AA', 'normal');
  expect(result.passes).toBe(false);
  expect(result.ratio).toBeLessThan(4.5);
});