react-element-to-jsx-string/src/formatter/getFunctionTypeName.spec.js at e0fc9ae410febb4ee06450d1efb111c4b9717ff3 · algolia/react-element-to-jsx-string · GitHub

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/**
 * @jest-environment jsdom
 */

/* @flow */

import React from 'react';
import getFunctionTypeName from './getFunctionTypeName';

function NamedStatelessComponent(props: { children: React.Children }) {
  const { children } = props;
  return <div>{children}</div>;
}

const _default = function(props: { children: React.Children }) {
  const { children } = props;
  return <div>{children}</div>;
};

const NamelessComponent = function(props: { children: React.Children }) {
  const { children } = props;
  return <div>{children}</div>;
};

delete NamelessComponent.name;

describe('getFunctionTypeName(Component)', () => {
  it('getFunctionTypeName(NamedStatelessComponent)', () => {
    expect(getFunctionTypeName(NamedStatelessComponent)).toEqual(
      'NamedStatelessComponent'
    );
  });

  it('getFunctionTypeName(_default)', () => {
    expect(getFunctionTypeName(_default)).toEqual('Component');
  });

  it('getFunctionTypeName(NamelessComponent)', () => {
    expect(getFunctionTypeName(NamelessComponent)).toEqual('Component');
  });
});