supersamples

Up-to-date documentation for your Node.js REST API

Documentation and samples for your Node.js RESTful API

supersamples is a Mocha reporter that understands Supertest to generate reliable and up-to-date API samples. In a nutshell:

  • define concrete request/response examples in your test suite
  • if you need to, use mocks to make sure you fully control the API responses
  • add a few explanations in Markdown
  • choose from a few output formats
  • get high-level API documentation that's always up-to-date!

Works with any Node.js http.Server, like Express or Restify

Nothing special! Simply use supertest in your test suite, and supersamples will generate the request/response documentation for you!

it '''
# Get list of sports
- list is ordered alphabetically
- doesn't return sports with no active competitions
'''(done) ->
 
  request(server)
    .get('/sports')
    .set('Accept''application/json')
    .expect(200)
    .expect('Content-Type'/json/)
    .expect(
      sports: [
        { id: 1name: 'Soccer' }
        { id: 2name: 'Tennis' }
      ]
    )
    .end(done)

supersamples comes with several renderers built-in:

  • html generates a multi-page static HTML website
  • markdown to generate a single Markdown page you can easily upload to Github
  • json to generate JSON metadata you can process later

See a live example of the HTML output over here.

npm install supersamples --save-dev

Have a look at the example folder to get started. You can add tests to the usual test folder, or keep them separate if you want. Simply run Mocha with the provided reporter:

./node_modules/.bin/mocha --reporter supersamples path/to/tests

You also need to specify documentation options in a supersamples.opts file at the root. This file has to be valid JSON, but also supports comments:

{
  
  // Base URL for the API 
  "baseUrl": "http://my-api.com",
 
  // One or more renderering modes 
  // And their associated options 
  "renderers": {
 
    "<name>": { ... }
    "<name>": { ... }
 
  }
 
}

See each renderer for the set of available options:

The navigation

In the HTML renderer, the first few levels of describe() statements make up the navigation sidebar.

Your markdown content

The it() statements can contain valid Markdown, which make up the description of each example.

The requests

  • The request headers, including custom ones. However it excludes typically irrelevant headers for the context of documentation (accept-encoding: gzip, deflate, host: http://localhost:1234...).
  • The request payload & attachements.

The responses

  • The response status code, regardless of any expect().
  • The response headers, but only if they were mentioned in expect(). The reason is that many frameworks will add dozens of default headers, which could seriously clutter the docs.
  • The actualy response body, regardless of any expect(). Note that even if they don't affect the docs, expectations are checked during the generation process. We 100% recommend that you add some to give extra confidence that the HTTP response are correct.

supersamples DOES NOT provide a way to describe every path or query string parameter. It's meant to give you reliable but low-cost API samples. If you want a very detailled API description, you might like other tools better:

    - tools like Apiary or ApiDoc let you document your API in text-format (for example Markdown or JavaScript comments). Just remember to keep these up to date!

    - tools like Swagger provide a JavaScript API to define your routes. It can generate docs that are always up-to-date, if you don't mind using their syntax instead of vanilla Express or Restify.