const test = require('node:test');
const assert = require('node:assert/strict');

const Machine = require('../../src/specificClass');
const { makeMachineConfig, makeStateConfig } = require('../helpers/factories');

test('calcEfficiency runs through coolprop path without mocks', () => {
  const machine = new Machine(makeMachineConfig(), makeStateConfig({ state: { current: 'operational' } }));

  machine.measurements.type('pressure').variant('measured').position('downstream').value(1200, Date.now(), 'mbar');
  machine.measurements.type('pressure').variant('measured').position('upstream').value(800, Date.now(), 'mbar');
  machine.measurements.type('flow').variant('predicted').position('atEquipment').value(120, Date.now(), 'm3/h');
  machine.measurements.type('power').variant('predicted').position('atEquipment').value(12, Date.now(), 'kW');

  assert.doesNotThrow(() => {
    machine.calcEfficiency(12, 120, 'predicted');
  });

  const eff = machine.measurements.type('efficiency').variant('predicted').position('atEquipment').getCurrentValue();
  assert.equal(typeof eff, 'number');
  assert.ok(eff > 0);
});