import { analytics } from '../services/analytics_engine';

describe('AnalyticsEngine', () => {
  test('mean returns correct average', () => {
    const series = { values: [1, 2, 3, 4, 5] };
    const result = analytics.mean(series);
    expect(result).toBe(3);
  });

  test('max returns correct maximum', () => {
    const series = { values: [1, 2, 3, 4, 5] };
    const result = analytics.max(series);
    expect(result).toBe(5);
  });

  test('min returns correct minimum', () => {
    const series = { values: [1, 2, 3, 4, 5] };
    const result = analytics.min(series);
    expect(result).toBe(1);
  });
});