import assert from 'assert';
import {calcWeight} from '../src/tools.js';

describe('calcWeight', () => {
  it('van ilyen függvény?', () => {
    assert(typeof calcWeight === 'function');
  });

  it('200, 200 bemenetre 673.570767028711', () => {
    const actual = calcWeight(200, 200);
    const expected = 673.570767028711;
    assert(actual === expected);
  });

  it('180, 210 bemenetre 572.8719373579187', () => {
    const actual = calcWeight(180, 210);
    const expected = 572.8719373579187;
    assert(actual === expected);
  })

  it('1, 210 bemenetre 0.017681232634503663', () => {
    const actual = calcWeight(1, 210);
    const expected = 0.017681232634503663;
    assert(actual === expected);
  })

  it('0, 210 bemenetre 0', () => {    
    assert.throws(() => {
      calcWeight(0, 210)
    }, Error);
  })

  it('0, 210 bemenetre 0', () => {    
    let error;
    try {
      calcWeight(0, 210)
    } catch (err) {
      error = err;
    }
    assert.ok(error);
    assert.equal(error.message, 'Érvénytelen paraméter');
  })  

});