basictap/test/index.js

Light tap adherent test runner

import test from '../lib/index.js';

test.maximumConcurrentTests = 2;

const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));

import('./async.js');

test('basic test that passes', t => {
  t.plan(3);

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

test.todo('todo test that will not run');
test.skip('skip test that will not run', () => {});

test('timer set', t => {
  t.plan(1);

  setTimeout(() => {
    t.equal(1, 1);
  }, 200);
});

test('basic test that passes with comment', t => {
  t.plan(1);

  t.equal(1, 1, 'i have a custom comment');
});

test('promise 1 - basic test that passes', async t => {
  t.plan(1);

  await sleep(50);

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

test('promise 2 - basic test that passes', async t => {
  t.plan(1);

  await sleep(50);

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

test('waitFor - wait for passing test', async t => {
  t.plan(2);

  let runCount = 0;
  const finalRunCount = await t.waitFor(async () => {
    runCount = runCount + 1;
    await sleep(50);
    t.equal(runCount, 5);
    return runCount;
  }, 500);

  t.equal(finalRunCount, 5);
});

test('waitFor - assertions are only logged once, at the end', async t => {
  t.plan(2);

  let runCount = 0;
  await t.waitFor(async () => {
    t.pass('only the last of this should appear in the logs ' + runCount);
    runCount = runCount + 1;
    await sleep(50);
    t.equal(runCount, 5);
    return runCount;
  }, 1000);
});