alright v1.1.0
alright
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.
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