import * as utils from './utils';

describe('lookupGrowthStandards', () => {
  test('It looks up a standard correctly', () => {
    expect(utils.lookupGrowthStandards([100, 1], ['age', 'sex'], 'acanthro')).toStrictEqual({
      age: 100,
      l: 0.379,
      m: 13.5836,
      s: 0.0749,
      sex: 1,
    });
  });
  test('It looks up a length standard with "h" correctly', () => {
    expect(utils.lookupGrowthStandards([66.1, 1], ['height', 'sex'], 'wfhanthro')).toStrictEqual({
      height: 66.1,
      l: -0.3521,
      m: 7.6906,
      s: 0.08212,
      lorh: 'H',
      sex: 1,
    });
  });
  test('It looks up a length standard with "l" correctly', () => {
    expect(utils.lookupGrowthStandards([45, 1], ['length', 'sex'], 'wflanthro')).toStrictEqual({
      length: 45,
      l: -0.3521,
      m: 2.441,
      s: 0.09182,
      lorh: 'L',
      sex: 1,
    });
  });
  test('It looks up a length for age standard correctly', () => {
    expect(utils.lookupGrowthStandards([44, 1], ['age', 'sex'], 'lenanthro')).toStrictEqual({
      age: 44,
      l: 1,
      m: 56.4833,
      s: 0.03492,
      loh: 'L',
      sex: 1,
    });
  });
  test('It looks up a weight for age standard correctly', () => {
    expect(utils.lookupGrowthStandards([1544, 2], ['age', 'sex'], 'weianthro')).toStrictEqual({
      age: 1544,
      l: -0.3397,
      m: 16.5639,
      s: 0.1411,
      sex: 2,
    });
  });
});
describe('round', () => {
  test('round to thousandths by default', () => {
    expect(utils.round(12.3456)).toEqual(12.346);
  });
  test('round to hundredths', () => {
    expect(utils.round(12.3456, 2)).toEqual(12.35);
  });
  test('round to 6 digits', () => {
    expect(utils.round(12.345612019831, 6)).toEqual(12.345612);
  });
});