CustomNodeFactory.test.js

import React from 'react'
import { render } from '@testing-library/react'
import CustomNodeFactory from '../../../src/components/CustomNode/CustomNodeFactory';
import CustomNodeModel from '../../../src/components/CustomNode/CustomNodeModel';
import CustomNodeWidget from '../../../src/components/CustomNode/CustomNodeWidget';

describe('Validate CustomNodeFactory', () => {
  it('CustomNodeFactory generates CustomNodeWidget', () => {
    const customNodeFactory = new CustomNodeFactory();
    const node = new CustomNodeModel({id: "myId"});
    const model = {
      node: node,
    };
    const event = {
      model: model,
      initialConfig: {
        options: { id: "modelId"},
        config: {}
      }
    };
    const widget = customNodeFactory.generateReactWidget(event);
    expect(React.isValidElement(widget)).toBe(true);

    const nodeModel = customNodeFactory.generateModel(event);
    expect(nodeModel instanceof CustomNodeModel).toBe(true);
    expect(nodeModel.getNodeId()).toBe("modelId");
  });
})