import { makeActionCreator } from 'wdk-client/Utils/ActionCreatorUtils';

describe('makeActionCreator', () => {

  it('should accept only a type string', () => {
    expect(() => {
      const ac = makeActionCreator('test');
    }).not.toThrow();
  });

  it('should accept a type string and a payload creation function', () => {
    expect(() => {
      const ac = makeActionCreator('test', (name: string) => ({ name }));
    }).not.toThrow();
  });

  it('should expose the type string', () => {
    const ac = makeActionCreator('test');
    expect(ac.type).toBe('test');
  });

});

describe('ActionCreator', () => {

  const acWithoutPayload = makeActionCreator(
    'no payload'
  );

  const acWithPayload = makeActionCreator(
    'payload',
    (name: string) => ({ name })
  );

  it('should return the expected action', () => {
    expect(acWithoutPayload()).toEqual({ type: 'no payload', payload: undefined });
    expect(acWithPayload('foo')).toEqual({ type: 'payload', payload: { name: 'foo' } });
  });

});