TagControl.jsx

/**
 * Parvez M Robin
 * [email protected]
 * Date: Apr 04, 2019
 */

import React from 'react';
import CreatableSelect from 'react-select/creatable';
import PropTypes from 'prop-types';

function TagControl(props) {
  const {
    isValid, options, onChange, value,
  } = props;
  let className = 'form-control tag ';
  if (isValid === true) {
    className += 'is-valid';
  } else if (isValid === false) {
    className += 'is-invalid';
  }

  const handleChange = (newValue) => {
    const mappedValue = (newValue || []).map((obj) => obj.value);
    onChange({ target: { value: mappedValue } }); // simulating e.target.value
  };

  const mappedOptions = options.map((option) => ({ label: option, value: option }));
  return (
    <CreatableSelect
      className={className}
      classNamePrefix="tag"
      placeholder="Insert tags for easy searching"
      formatCreateLabel={(lbl) => lbl}
      isClearable
      isMulti
      closeMenuOnSelect={false}
      menuPlacement="auto"
      hideSelectedOptions
      onChange={handleChange}
      options={mappedOptions}
      value={value.map((val) => ({ label: val, value: val }))}
    />
  );
}

TagControl.propTypes = {
  isValid: PropTypes.bool.isRequired,
  onChange: PropTypes.func.isRequired,
  options: PropTypes.arrayOf(PropTypes.string).isRequired,
  value: PropTypes.arrayOf(PropTypes.string).isRequired,
};

export default TagControl;

TagControl.test.jsx

/**
 * Parvez M Robin
 * [email protected]
 * Apr 04, 2020
 */

/* eslint-env jest */

import React from 'react';
import { render, unmountComponentAtNode } from 'react-dom';
import { act } from 'react-dom/test-utils';
import pretty from 'pretty';
import { fireEvent } from '@testing-library/react';
import '@testing-library/jest-dom';
import TagControl from './TagControl';

/** @type {HTMLElement} */
let container = null;
beforeEach(() => {
  // setup a DOM element as a render target
  container = document.createElement('div');
  document.body.appendChild(container);
});

afterEach(() => {
  // cleanup on exiting
  unmountComponentAtNode(container);
  container.remove();
  container = null;
});

it('should open TagControl on click', () => {
  act(() => {
    render(<TagControl
      value={[]}
      isValid
      options={['1', '2', '3']}
      onChange={() => {
      }}
    />, container);
  });

  container.querySelector('input').dispatchEvent(new MouseEvent('click', { bubbles: true }));
  console.log(pretty(container.innerHTML)); // expected contain an `ul`

  fireEvent.click(container.querySelector('input'));
  console.log(pretty(container.innerHTML)); // expected contain an `ul`
});