alright
Beautiful assertion library.
Last updated 6 years ago by killdream .
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alright

Build Status NPM version Dependencies Status stable

browser support

Beautiful assertion library.

Philosophy

  • Straight-forward: Alright should get out of your way and just let you define your tests with what you already know: plain JavaScript.

  • No verbosity: We don't want expect(x).to.eventually.be.boring...

  • Helpful error messages: When things go wrong, Alright should do its best to show you exactly what's wrong and how you might fix it.

  • Test-framework agnostic: Alright should work with anything that expect Errors to be thrown when assertions fail.

  • Extensible: It should be easy to extend the built-in assertions with plain JavaScript.

  • Work with older Browsers: Some people still need to support old IEs, Alright should work on them.

Example

Using the Sweet.js macros:

// for macros to work, you need to use 'alright' as your identifier
var alright = require('alright')

// simple assertions
add(a)(b) => a + b
add(a)(b) => not a + b

// anything goes assertions
add(a)(b) should equal(a + b)
add(a)(b) should not equal(a + b)

// asynchronous assertions with pure fantasy-land monads, or Promises/A+
asyncAdd(a)(b) will equal(a + b)
asyncAdd(a)(b) will not equal(a + b)

Using vanilla JavaScript:

var _ = require('alright')

// Use verify for synchronous assertions
_.verify(add(a)(b))(_.equals(a + b))
_.verify(add(a)(b))(_.not(_.equals(a + b)))

// use verifyFuture for monadic Futures, and verifyPromise for Promises/A+
_.verifyMonad(asyncAdd(a)(b))(_.equals(a + b))

Installing

The easiest way is to grab it from NPM. If you're running in a Browser environment, you can use Browserify

$ npm install alright

Using with CommonJS

If you're not using NPM, Download the latest release, and require the alright.umd.js file:

var Alright = require('alright')

Using with AMD

Download the latest release, and require the alright.umd.js file:

require(['alright'], function(Alright) {
  ( ... )
})

Using without modules

Download the latest release, and load the alright.umd.js file. The properties are exposed in the global Alright object:

<script src="/path/to/alright.umd.js"></script>

Compiling from source

If you want to compile this library from the source, you'll need Git, Make, Node.js, and run the following commands:

$ git clone git://github.com/hifivejs/alright.git
$ cd alright
$ npm install
$ make bundle

This will generate the dist/alright.umd.js file, which you can load in any JavaScript environment.

Documentation

You can read the documentation online or build it yourself:

$ git clone git://github.com/hifivejs/alright.git
$ cd alright
$ npm install
$ make documentation

Then open the file docs/index.html in your browser.

Platform support

This library assumes an ES5 environment, but can be easily supported in ES3 platforms by the use of shims. Just include es5-shim :)

Licence

Copyright (c) 2014 Quildreen Motta.

Released under the MIT licence.

Current Tags

  • 1.1.0                                ...           latest (6 years ago)

6 Versions

  • 1.1.0                                ...           6 years ago
  • 1.0.0                                ...           6 years ago
  • 1.0.0-alpha2                                ...           6 years ago
  • 1.0.0-alpha1                                ...           6 years ago
  • 0.2.0                                ...           6 years ago
  • 0.1.0                                ...           7 years ago
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