test/integration-test/plugin/MyPlugin1.test.js

import assert from 'assert';
import fs from 'fs';
import {find} from '../util';

describe('test/plugin/MyPlugin1:', ()=>{
  it('calls handlers', ()=>{
    const callInfo = require('./MyPlugin1').callInfo;
    assert.deepEqual(callInfo.handlerNames, {
      onStart: true,
      onHandleConfig: true,
      onHandleCode: true,
      onHandleCodeParser: true,
      onHandleAST: true,
      onHandleDocs: true,
      onPublish: true,
      onHandleContent: true,
      onComplete: true
    });

    assert.equal(callInfo.usedParser, true);
  });

  it('modified input', ()=>{
    const doc = find('longname', /EmptyForPlugin_Modified1_Modified2$/);
    assert.equal(doc.kind, 'class');
  });

  it('output', ()=>{
    const content = fs.readFileSync('./test/integration-test/out/index.md').toString();
    assert(content.includes('EmptyForPlugin_Modified1_Modified2'));
    assert(content.includes('made by MyPlugin1_Modified'));
  });
});