import { Merchi } from '../merchi.js';
import { setup, mockFetch } from '../test_util.js';

setup();

test('can make Assignment', () => {
  const merchi = new Merchi();
  const assignment = new merchi.Assignment();
  expect(assignment).toBeTruthy();
});

test('can generate new invoice', () => {
  mockFetch(true, {'id': 1, 'totalCost': 100}, 200);

  const merchi = new Merchi();
  const assignment = new merchi.Assignment();
  assignment.id = 1;
  assignment.generateInvoice().then(invoice => {
    expect(invoice.totalCost).toEqual(100);
    expect(invoice.id).toEqual(1);
  });
});

test('can add to invoice', () => {
  const fetch = mockFetch(true, {'id': 2, 'totalCost': 100}, 200);
  const merchi = new Merchi();
  const assignment = new merchi.Assignment();
  assignment.id = 1;
  assignment.generateInvoice({addToInvoice: 2}).then(invoice => {
    expect(invoice.totalCost).toEqual(100);
    expect(invoice.id).toEqual(2);
  });

  const correct = [['add_to_invoice', '2']];
  expect(
    Array.from(fetch.mock.calls[0][1]['query'])
  ).toEqual(correct);
});