testing library

worker.js

import { test } from 'https://pkg.do/uvu';
import * as assert from 'https://pkg.do/uvu/assert';

test('Math.sqrt()', () => {
  assert.is(Math.sqrt(4), 2);
  assert.is(Math.sqrt(144), 12);
  assert.is(Math.sqrt(2), Math.SQRT2);
});

test('JSON', () => {
  const input = {
    foo: 'hello',
    bar: 'world'
  };

  const output = JSON.stringify(input);

  assert.snapshot(output, `{"foo":"hello","bar":"world"}`);
  assert.equal(JSON.parse(output), input, 'matches original');
});

test.run();