@tapjs/test

What is @tapjs/test?

@tapjs/test is a testing framework for Node.js that provides a simple and powerful way to write and run tests. It is part of the TAP (Test Anything Protocol) ecosystem and is designed to be easy to use while offering a wide range of features for testing JavaScript code.

What are @tapjs/test's main functionalities?

Basic Test

This feature allows you to write basic tests using the @tapjs/test framework. The example demonstrates a simple test that checks if 1 + 1 equals 2.

const t = require('@tapjs/test');
t.test('basic test', t => {
  t.equal(1 + 1, 2, '1 + 1 should equal 2');
  t.end();
});

Asynchronous Test

This feature supports asynchronous tests. The example shows how to write a test that waits for a promise to resolve and then checks the result.

const t = require('@tapjs/test');
t.test('async test', async t => {
  const result = await Promise.resolve(42);
  t.equal(result, 42, 'result should be 42');
  t.end();
});

Nested Tests

This feature allows you to create nested tests. The example demonstrates a parent test containing a child test.

const t = require('@tapjs/test');
t.test('parent test', t => {
  t.test('child test', t => {
    t.ok(true, 'this is a child test');
    t.end();
  });
  t.end();
});

Assertions

This feature provides various assertion methods. The example shows how to use different assertions like ok, equal, and notEqual.

const t = require('@tapjs/test');
t.test('assertions', t => {
  t.ok(true, 'true is truthy');
  t.equal(3, 3, '3 equals 3');
  t.notEqual(3, 4, '3 does not equal 4');
  t.end();
});

Other packages similar to @tapjs/test

mocha

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. It provides a variety of interfaces for writing tests, including BDD, TDD, and exports-style. Compared to @tapjs/test, Mocha offers more flexibility in terms of test interfaces and is widely used in the JavaScript community.

jest

Jest is a delightful JavaScript testing framework with a focus on simplicity. It works out of the box for most JavaScript projects and provides a rich API for writing tests. Jest includes features like snapshot testing, a built-in mocking library, and code coverage reports. Compared to @tapjs/test, Jest is more opinionated and comes with more built-in features, making it a popular choice for React applications.

ava

AVA is a test runner for Node.js with a concise API, detailed error output, and support for new language features. It runs tests concurrently, which can lead to faster test execution. Compared to @tapjs/test, AVA emphasizes simplicity and performance, making it a good choice for projects that require fast and straightforward testing.

README

@tapjs/test

The plugin-ified Test class in node-tap.