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https://github.com/tunnckoCore/asia

:eight_spoked_asterisk: Blazingly fast, magical and minimalist testing framework for Today :date: and Tomorrow :crystal_ball: Try `npm i -D asia@next` for pre-v1
https://github.com/tunnckoCore/asia

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:eight_spoked_asterisk: Blazingly fast, magical and minimalist testing framework for Today :date: and Tomorrow :crystal_ball: Try `npm i -D asia@next` for pre-v1

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README 

        
# asia [![npm version][npmv-img]][npmv-url] [![github release][ghrelease-img]][ghrelease-url] [![License][license-img]][license-url]



> Blazingly fast, magical and minimalist testing framework for Today and Tomorrow



Please consider following this project's author, [Charlike Mike Reagent](https://github.com/tunnckoCore), and :star: the project to show your :heart: and support.






[![Code style][codestyle-img]][codestyle-url]

[![CircleCI linux build][linuxbuild-img]][linuxbuild-url]

[![CodeCov coverage status][codecoverage-img]][codecoverage-url]

[![DavidDM dependency status][dependencies-img]][dependencies-url]

[![Renovate App Status][renovateapp-img]][renovateapp-url]

[![Make A Pull Request][prs-welcome-img]][prs-welcome-url]

[![Semantically Released][new-release-img]][new-release-url]



If you have any _how-to_ kind of questions, please read the [Contributing Guide](./CONTRIBUTING.md) and [Code of Conduct](./CODE_OF_CONDUCT.md) documents.  

For bugs reports and feature requests, [please create an issue][open-issue-url] or ping

[@tunnckoCore](https://twitter.com/tunnckoCore) at Twitter.



[![Become a Patron][patreon-img]][patreon-url]

[![Conventional Commits][ccommits-img]][ccommits-url]

[![NPM Downloads Weekly][downloads-weekly-img]][npmv-url]

[![NPM Downloads Monthly][downloads-monthly-img]][npmv-url]

[![NPM Downloads Total][downloads-total-img]][npmv-url]

[![Share Love Tweet][shareb]][shareu]



Project is [semantically](https://semver.org) & automatically released on [CircleCI](https://circleci.com) with [new-release][] and its [New Release](https://github.com/apps/new-release) GitHub App.



## Highlights



- Runs tests in series or parallel, concurrently

- Fast and future-proof design, tiny footprint

- Secure environment, no implicit globals

- [TAP Specification](https://testanything.org/tap-specification.html) compliant output reporting

- Simple test syntax and enforce writing atomic tests

- Clean stacktraces, when optionally shown

- Works inside any CommonJS environment and the Browser

- Support writing your tests in latest JavaScript syntax

- Support `async/await` functions, Promises and Observables

- Assertion agnostic, works with `assert` and Jest's `expect`

- Works well with `nyc` for test coverage reporting

- Well documented, well tested and small & quality code base 



## Table of Contents



- [Installation requirements](#installation-requirements)

- [CLI Usage](#cli-usage)

  * [Passing flags](#passing-flags)

  * [Environment variables](#environment-variables)

- [Transpilation and ES Modules](#transpilation-and-es-modules)

- [Test coverage](#test-coverage)

- [Incremental testing ("watch mode")](#incremental-testing-watch-mode)

- [Testing with multiple files](#testing-with-multiple-files)

- [Regular use](#regular-use)

  * [Server Side](#server-side)

  * [In the Browser](#in-the-browser)

- [Using the API](#using-the-api)

  * [Server Side](#server-side-1)

  * [In the browsers](#in-the-browsers)

- [API](#api)

  * [src/api.js](#srcapijs)

    + [Asia](#asia)

    + [test](#test)

    + [test.skip](#testskip)

    + [test.todo](#testtodo)

    + [.run](#run)

- [See Also](#see-also)

- [Contributing](#contributing)

  * [Follow the Guidelines](#follow-the-guidelines)

  * [Support the project](#support-the-project)

  * [OPEN Open Source](#open-open-source)

  * [Wonderful Contributors](#wonderful-contributors)

- [License](#license)



_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_



## Installation requirements



This project requires [**Node.js**](https://nodejs.org) **^8.10.0 || >=10.13.0** or compatible browser. Install it using [**yarn**](https://yarnpkg.com) or [**npm**](https://npmjs.com).  

_We highly recommend to use Yarn when you think to contribute to this project._



```

$ yarn add --dev asia

```



## CLI Usage



Eventhough we currently don't have CLI we still can control a small bits.

There are two variants, through environment variables and command line flags.



### Passing flags



We can pass flags directly to the `node` executable, because they are not conflicting whit it.



**--serial**



Allows running the tests in series.



```

node test/index.js --serial

```



**--showStack**



Shows the stack traces, because by default we don't show them in the TAP output.



```

node test/index.js --showStack

```



**--reporter / -R**



Currently there 2 available reporters: "tap" (default) and "mini".

The name should match the name of the file in `src/reporters/` folder.



```

node -r esm test/index.js -R mini

```



**--relativePaths**



When stack traces are shown (e.g. when `--showStack`) then paths will be relative to the cwd.

Defaults to `true`.



```

node -r esm test/index.js --relativePaths

# disable

node -r esm test/index.js --no-relativePaths

```



### Environment variables



_Note: This works only when there is `process.env` in the environment!_



**ASIA_SHOW_STACK**



If you want the stacktraces to be shown on the TAP output, then pass `ASIA_SHOW_STACK=1`



```

ASIA_SHOW_STACK=1 node test/index.js 

```



**ASIA_SERIAL**



_Note: This works only when there is `process.env` in the environment!_



If you want tests to be running in series (in order), then pass `ASIA_SERIAL=1`



```

ASIA_SERIAL=1 node test/index.js 

```



## Transpilation and ES Modules



By default, tests are working in CommonJS. But if you want to write with modern and latest

JavaScript features, then you may need Babel or the [esm][] loader. In this case 

you can pass a `@babel/register` or the `esm` hook to the Node.js or 



```

node -r esm test/index.js

# Babel

node -r @babel/register test/index.js

```



## Test coverage



In case you want to have test coverage, Asia works great with the [nyc][]/Istanbul.



```

nyc --reporter lcov --reporter text node test/index.js

```



When you want transpilation and still working test coverage, then you need to

pass the `require` hooks to the `nyc` instead to the `node` binary.



```

nyc --require esm node test/index.js

nyc --require @babel/register node test/index.js

```



## Incremental testing ("watch mode")



For more faster feedback loop, you may want to use [nodemon][].



The following runs tests on every file change in `src/` and `test/` folders



```

nodemon --exec 'node -r esm test/index.js' '{src,test}/**/*.js'

```



## Testing with multiple files



Because currently we don't have CLI, easy workaround to run multiple files

is to have one `test/index.js` which imports the other test file.



For example, if you have the following `test/foo.js` and `test/bar.js`



**test/foo.js**



```js

import assert from 'assert';

import test from 'asia';



test('some foo test', () => {});



test.skip('skip tests never run', () => {

  console.log('hoho');

});



test('foo second', () => {

  assert.strictEqual(1, 2);

});

```



**test/bar.js**



```js

import expect from 'expect';

import test from 'asia';



test('ok yeah', () => {

  expect(1).toBe(1);

});



test.todo('some todo test');



test('one two three', async () => {

  const val = await Promise.resolve({ a: 'b' });

  expect(val).toBe(1234); // throws

});

```



Then you just need to import all the test files one main (e.g. `test/index.js` or `test.js`) file.



```js

import './foo';

import './bar';

```



Run it with `node -r esm test/index.js` and so, it will output (correctly), the following



```

TAP version 13

ok 2 - # SKIP skip tests never run

not ok 5 - # TODO some todo test

ok 1 - some foo test

not ok 3 - foo second

# FAIL!

#

# At: _659‍.r.test (./example/foo.js:11:10)

#

# Message: Input A expected to strictly equal input B:

# + expected - actual

#

# - 1

# + 2

#

ok 4 - ok yeah

not ok 6 - one two three

# FAIL!

#

# At: _42f‍.r.test (./example/bar.js:12:15)

#

# Message: expect(received).toBe(expected) // Object.is equality

#

# Expected: 1234

# Received: {"a": "b"}

#

# Difference:

#

#   Comparing two different types of values. Expected number but received object.

#

1..6

# tests 6

# pass 2

# skip 1

# todo 1

# fail 2

#

```



## Regular use



```bash

$ yarn add --dev asia

```



### Server Side

If you want to use it in your tests, just do the following



Using ES Modules:



```js

import expect from 'expect'

import test from 'asia';



test('my awesome test title', () => {

  expect(typeof test).toBe('function');

});

```



Using inside CommonJS environment (e.g. Node.js):



```js

const assert = require('assert');

const test = require('asia');



test('some test in commonjs', () => {

  assert.strictEqual(typeof test, 'function');

  assert.strictEqual(typeof test.skip, 'function');

  assert.strictEqual(typeof test.todo, 'function');

});

```



### In the Browser



Using `type="module"`



```html



  import test from 'https://unpkg.com/asia?module';



  test('foo bar', () => {

    console.log('my browser tests');

  });



```



Using the UMD bundle



```html



  const test = window.test;

  test('my awesome test', () => {});



```



## Using the API



```bash

$ yarn add asia

```



If you want to create something on top of it, e.g. CLI for example,

then you cannot use the default export `import 'asia'`, because it exposes

the `test()` method and runs the tests, automatically.



### Server Side



Using ES Modules:



```js

import Asia from 'asia/dist/api/es';

```



Using inside CommonJS environment (e.g. Node.js):



```js

const Asia = require('asia/dist/api/umd');

```



### In the browsers



Using `type="module"`



```html



  import Asia from 'https://unpkg.com/asia/dist/api/es.js';



```



Using the UMD bundle



```html



  const Asia = window.Asia;



```



## API



_Generated using [docks](http://npm.im/docks)._



### [src/api.js](/src/api.js)



#### [Asia](/src/api.js#L49)

Constructor which can be initialized with optional `options` object.

On the `.test` method you can access the `skip` and `todo` methods.

For example `.test.skip(title, fn)` and `.test.todo(title)`.



This should be uses if you want to base something on top of the Asia API.

By default, the main export e.g. just `'asia'` exposes a default export function,

which is the `test()` method.



**Params**

- `options` **{object}** control tests `concurrency` or pass `serial: true` to run serially.



**Returns**

- `object` instance with `.test`, `.skip`, `.todo` and `.run` methods



**Examples**

```javascript

import Asia from 'asia/dist/api/es';



// or in CommonJS (Node.js)

// const Asia = require('asia/dist/api/umd');



const api = Asia({ serial: true });

console.log(api);

// => { test() {}, skip() {}, todo() {}, run() {} }



api.test('awesome test', async () => {

  await Promise.resolve(123);

});



api.test.skip('some skip test here', () => {

  console.log('this will not log');

});

api.skip('same as above', () => {

  console.log('this will not log');

});



api.test.todo('test without implementaton');

api.todo('test without implementaton');



api.run();

```



#### [test](/src/api.js#L97)

Define a regular test with `title` and `fn`.

Both `title` and `fn` params are required, otherwise it will throw.

Optionally you can pass `settings` options object, to make it a "skip"

or a "todo" test. For example `{ skip: true }`



**Params**

- `title` **{string}**

- `fn` **{function}**

- `settings` **{object}**



**Examples**

```javascript

import assert from 'assert';

import expect from 'expect';

import test from 'asia';



test('some awesome failing test', () => {

  expect(1).toBe(2);

});



test('foo passing async test', async () => {

  const res = await Promise.resolve(123);



  assert.strictEqual(res, 123);

});

```



#### [test.skip](/src/api.js#L141)

Define test with `title` and `fn` that will never run,

but will be shown in the output.



**Params**

- `title` **{string}** test title

- `fn` **{function}** test function implementaton



**Examples**

```javascript

import test from 'asia';



test.skip('should be skipped, but printed', () => {

  throw Error('test function never run');

});



test.skip('should throw, because expect test implementation');

```



#### [test.todo](/src/api.js#L165)

Define a test with `title` that will be marked as "todo" test.

Such tests do not have test implementaton function, if `fn` is given

than it will throw an error.



**Params**

- `title` **{string}** title of the "todo" test

- `fn` **{function}** do not pass test implementaton function



**Examples**

```javascript

import assert from 'assert';

import test from 'asia';



test.todo('should be printed and okey');



test.todo('should throw, because does not expect test fn', () => {

  assert.ok(true);

});

```



#### [.run](/src/api.js#L215)

Run all tests, with optional `settings` options, merged with those

passed from the constructor.

Currently the supported options are `serial` and `concurrency`.



**Params**

- `settings` **{object}** for example, pass `serial: true` to run the tests serially



**Returns**

- `Promise`



**Examples**

```javascript

import delay from 'delay';

import Asia from 'asia/dist/api/es';



const api = Asia({ serial: true });



api.test('first test', async () => {

  await delay(1000);

  console.log('one');

});



api.test('second test', () => {

  console.log('two');

});



api.run({ concurrency: 10 });

```



**[back to top](#thetop)**



## See Also



Some of these projects are used here or were inspiration for this one, others are just related. So, thanks for your existance!



- [@tunnckocore/create-project](https://www.npmjs.com/package/@tunnckocore/create-project): Create and scaffold a new project, its GitHub repository and… [more](https://github.com/tunnckoCoreLabs/create-project) | [homepage](https://github.com/tunnckoCoreLabs/create-project "Create and scaffold a new project, its GitHub repository and contents")

- [@tunnckocore/scripts](https://www.npmjs.com/package/@tunnckocore/scripts): Universal and minimalist scripts & tasks runner. | [homepage](https://github.com/tunnckoCoreLabs/scripts "Universal and minimalist scripts & tasks runner.")

- [asia](https://www.npmjs.com/package/asia): Blazingly fast, magical and minimalist testing framework, for Today and… [more](https://github.com/olstenlarck/asia#readme) | [homepage](https://github.com/olstenlarck/asia#readme "Blazingly fast, magical and minimalist testing framework, for Today and Tomorrow")

- [charlike](https://www.npmjs.com/package/charlike): Small, fast and streaming project scaffolder with support for hundreds… [more](https://github.com/tunnckoCoreLabs/charlike) | [homepage](https://github.com/tunnckoCoreLabs/charlike "Small, fast and streaming project scaffolder with support for hundreds of template engines and sane defaults")

- [docks](https://www.npmjs.com/package/docks): Extensible system for parsing and generating documentation. It just freaking… [more](https://github.com/tunnckoCore/docks) | [homepage](https://github.com/tunnckoCore/docks "Extensible system for parsing and generating documentation. It just freaking works!")

- [git-commits-since](https://www.npmjs.com/package/git-commits-since): Get all commits since given period of time or by… [more](https://github.com/tunnckoCoreLabs/git-commits-since) | [homepage](https://github.com/tunnckoCoreLabs/git-commits-since "Get all commits since given period of time or by default from latest git semver tag. Understands and follows both SemVer and the Conventional Commits specification.")

- [gitcommit](https://www.npmjs.com/package/gitcommit): Lightweight and joyful `git commit` replacement. Conventional Commits compliant. | [homepage](https://github.com/tunnckoCore/gitcommit "Lightweight and joyful `git commit` replacement. Conventional Commits compliant.")

- [recommended-bump](https://www.npmjs.com/package/recommended-bump): Calculates recommended bump (next semver version) based on given array… [more](https://github.com/tunnckoCoreLabs/recommended-bump) | [homepage](https://github.com/tunnckoCoreLabs/recommended-bump "Calculates recommended bump (next semver version) based on given array of commit messages following Conventional Commits specification")



**[back to top](#thetop)**



## Contributing



### Follow the Guidelines



Please read the [Contributing Guide](./CONTRIBUTING.md) and [Code of Conduct](./CODE_OF_CONDUCT.md) documents for advices.  

For bugs reports and feature requests, [please create an issue][open-issue-url] or ping

[@tunnckoCore](https://twitter.com/tunnckoCore) at Twitter.



### Support the project



[Become a Partner or Sponsor?][patreon-url] :dollar: Check the **Partner**, **Sponsor** or **Omega-level** tiers! :tada: You can get your company logo, link & name on this file. It's also rendered on package page in [npmjs.com][npmv-url] and [yarnpkg.com](https://yarnpkg.com/en/package/asia) sites too! :rocket:



Not financial support? Okey! [Pull requests](https://github.com/tunnckoCoreLabs/contributing#opening-a-pull-request), stars and all kind of [contributions](https://opensource.guide/how-to-contribute/#what-it-means-to-contribute) are always

welcome. :sparkles:



### OPEN Open Source



This project is following [OPEN Open Source](http://openopensource.org) model



> Individuals making significant and valuable contributions are given commit-access to the project to contribute as they see fit. This project is built on collective efforts and it's not strongly guarded by its founders.



There are a few basic ground-rules for its contributors



1. Any **significant modifications** must be subject to a pull request to get feedback from other contributors.

2. [Pull requests](https://github.com/tunnckoCoreLabs/contributing#opening-a-pull-request) to get feedback are _encouraged_ for any other trivial contributions, but are not required.

3. Contributors should attempt to adhere to the prevailing code-style and development workflow.



### Wonderful Contributors



Thanks to the hard work of these wonderful people this project is alive! It follows the

[all-contributors](https://github.com/kentcdodds/all-contributors) specification.  

Don't hesitate to add yourself to that list if you have made any contribution! ;) [See how,

here](https://github.com/jfmengels/all-contributors-cli#usage).



| [
Charlike Mike Reagent](https://tunnckocore.com)
[💻](https://github.com/tunnckoCoreLabs/asia/commits?author=tunnckoCore "Code") [📖](https://github.com/tunnckoCoreLabs/asia/commits?author=tunnckoCore "Documentation") [💬](#question-tunnckoCore "Answering Questions") [👀](#review-tunnckoCore "Reviewed Pull Requests") [🔍](#fundingFinding-tunnckoCore "Funding Finding") |

| :---: |



Consider showing your [support](#support-the-project) to them. :sparkling_heart:



## License



Copyright (c) 2016-present, [Charlike Mike Reagent](https://tunnckocore.com) `` & [contributors](#wonderful-contributors).  

Released under the [Apache-2.0 License][license-url].



[npmv-url]: https://www.npmjs.com/package/asia

[npmv-img]: https://badgen.net/npm/v/asia?icon=npm



[ghrelease-url]: https://github.com/tunnckoCoreLabs/asia/releases/latest

[ghrelease-img]: https://badgen.net/github/release/tunnckoCoreLabs/asia?icon=github



[license-url]: https://github.com/tunnckoCoreLabs/asia/blob/master/LICENSE

[license-img]: https://badgen.net/npm/license/asia



[codestyle-url]: https://github.com/airbnb/javascript

[codestyle-img]: https://badgen.net/badge/code%20style/airbnb/ff5a5f?icon=airbnb



[linuxbuild-url]: https://circleci.com/gh/tunnckoCoreLabs/asia/tree/master

[linuxbuild-img]: https://badgen.net/circleci/github/tunnckoCoreLabs/asia/master?label=build&icon=circleci



[codecoverage-url]: https://codecov.io/gh/tunnckoCoreLabs/asia

[codecoverage-img]: https://badgen.net/codecov/c/github/tunnckoCoreLabs/asia?icon=codecov



[dependencies-url]: https://david-dm.org/tunnckoCoreLabs/asia

[dependencies-img]: https://badgen.net/david/dep/tunnckoCoreLabs/asia?label=deps



[ccommits-url]: https://conventionalcommits.org/

[ccommits-img]: https://badgen.net/badge/conventional%20commits/v1.0.0/dfb317

[new-release-url]: https://ghub.io/new-release

[new-release-img]: https://badgen.net/badge/semantically/released/05c5ff



[downloads-weekly-img]: https://badgen.net/npm/dw/asia

[downloads-monthly-img]: https://badgen.net/npm/dm/asia

[downloads-total-img]: https://badgen.net/npm/dt/asia



[renovateapp-url]: https://renovatebot.com

[renovateapp-img]: https://badgen.net/badge/renovate/enabled/green

[prs-welcome-img]: https://badgen.net/badge/PRs/welcome/green

[prs-welcome-url]: http://makeapullrequest.com

[paypal-donate-url]: https://paypal.me/tunnckoCore/10

[paypal-donate-img]: https://badgen.net/badge/$/support/purple

[patreon-url]: https://www.patreon.com/bePatron?u=5579781

[patreon-img]: https://badgen.net/badge/patreon/tunnckoCore/F96854?icon=patreon

[patreon-sponsor-img]: https://badgen.net/badge/become/a%20sponsor/F96854?icon=patreon



[shareu]: https://twitter.com/intent/tweet?text=https://github.com/tunnckoCoreLabs/asia&via=tunnckoCore

[shareb]: https://badgen.net/badge/twitter/share/1da1f2?icon=twitter

[open-issue-url]: https://github.com/tunnckoCoreLabs/asia/issues/new



[esm]: https://github.com/standard-things/esm

[new-release]: https://github.com/tunnckoCoreLabs/new-release

[nodemon]: http://nodemon.io

[nyc]: https://github.com/istanbuljs/nyc

[semantic-release]: https://github.com/semantic-release/semantic-release