checkout-map-user-error-codes-test.js

import assert from 'assert';
import checkoutUserErrorsMapper from '../src/checkout-map-user-error-codes';

suite('checkout-map-user-error-codes-test', () => {
  test('it returns an empty array if there are no user errors or warnings', () => {
    assert.deepStrictEqual(checkoutUserErrorsMapper([], []), []);
  });
  test('it maps a cart user error code to a checkout user error code, preserving the error message and field', () => {
    const userErrors = [
      {
        code: 'ADDRESS_FIELD_IS_TOO_LONG',
        field: 'address',
        message: 'The provided address is too long.'
      }
    ];
    const warnings = [];

    assert.deepStrictEqual(
      checkoutUserErrorsMapper(userErrors, warnings),
      [{code: 'TOO_LONG', field: 'address', message: 'The provided address is too long.'}]
    );
  });

  test('it maps a cart warning code to a checkout user error code, preserving the warning message', () => {
    const userErrors = [];

    const warnings = [
      {
        code: 'MERCHANDISE_NOT_ENOUGH_STOCK',
        message: 'The product is out of stock.'
      }
    ];

    assert.deepStrictEqual(
      checkoutUserErrorsMapper(userErrors, warnings),
      [{code: 'NOT_ENOUGH_IN_STOCK', message: 'The product is out of stock.'}]
    );
  });

  test('it maps cart user error and warning codes to checkout user error codes, if both cart user errors and cart warnings are present', () => {
    const userErrors = [{code: 'ADDRESS_FIELD_IS_TOO_LONG', field: 'address', message: 'The provided address is too long.'}];
    const warnings = [{code: 'MERCHANDISE_NOT_ENOUGH_STOCK', message: 'The product is out of stock.'}];

    assert.deepStrictEqual(checkoutUserErrorsMapper(userErrors, warnings), [{code: 'TOO_LONG', field: 'address', message: 'The provided address is too long.'}, {code: 'NOT_ENOUGH_IN_STOCK', message: 'The product is out of stock.'}]);
  });
});