testing a callback function about zora HOT 2 CLOSED

const zora = require('zora');

zora()
  .test('thunk function', function * (t) {
    let counter = 0;

    const thunkFunctionToTest = function (cb) {
      setTimeout(function () {
        counter++;
        cb();
      }, 100) //asynchronous code !!!
    };

    yield thunkFunctionToTest;

    t.equal(counter, 1);
  })
  .run();

import zora from "zora";
import {Rect} from "d3plus-shape";

export default zora()
  .test("render callback", function *(assert) {

    function yieldFunction(cb) {

      new Rect()
        .data([{id: "test"}])
        .render(cb);

    }

    yield yieldFunction;

    assert.equal(document.getElementsByTagName("svg").length, 1);

  });