@jetshop/core/helpers/decodeUrlQuery.test.js

import decodeUrlQuery from './decodeUrlQuery';
import qs from 'qs';

describe('decodeUrlQuery', () => {
  it('with single value', () => {
    const stringValue = 'stringValue';
    const base64value = btoa(stringValue);
    const search = `?key=${base64value}`;
    const urlQuery = qs.parse(search, { ignoreQueryPrefix: true });

    const decodedUrlQuery = decodeUrlQuery({
      urlQuery,
      parametersToBeDecoded: ['key']
    });

    expect(Object.keys(decodedUrlQuery).length).toBe(1);
    expect(decodedUrlQuery['key']).toBe(stringValue);
  });

  it('with multiple values', () => {
    const stringValues = ['stringValue1', 'stringValue2', 'stringValue3'];
    const base64values = [btoa(stringValues[0]), btoa(stringValues[1])];
    const search = `?key1=${base64values[0]}&key2=${base64values[1]}&key3=${stringValues[2]}`;
    const urlQuery = qs.parse(search, { ignoreQueryPrefix: true });

    const decodedUrlQuery = decodeUrlQuery({
      urlQuery,
      parametersToBeDecoded: ['key1', 'key2']
    });

    expect(decodedUrlQuery).toMatchObject({
      key1: stringValues[0],
      key2: stringValues[1],
      key3: stringValues[2]
    });
  });

  it('did not decode urlQuery value, missed param', () => {
    const stringValues = ['stringValue1', 'stringValue2'];
    const base64values = [btoa(stringValues[0]), btoa(stringValues[1])];
    const search = `?key1=${base64values[0]}&key2=${base64values[1]}`;
    const urlQuery = qs.parse(search, { ignoreQueryPrefix: true });

    const decodedUrlQuery = decodeUrlQuery({
      urlQuery,
      parametersToBeDecoded: ['key1']
    });

    expect(decodedUrlQuery).toMatchObject({
      key1: stringValues[0],
      key2: base64values[1]
    });
  });
});