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Octocat-spinner-32 facebook-js-stub.gemspec
README.md

Facebook JS Stub

Description

This library facilitates the testing of code that interacts with Facebook via the official JavaScript SDK. It does this by providing a fake FB JavaScript module that mimics the official module. It also provides helper methods for simulating different Facebook states.

Install

Jasmine on Rails 3.1

If using the edge version of Jasmine with the Rails 3.1 asset pipeline:

  1. Add the gem to your Gemfile:

    gem "facebook-js-stub", :git => "git://github.com/involver/facebook-js-stub.git"
    
  2. Add the facebook-js-stub.js asset to your src_files in spec/javascripts/support/jasmine.yml:

    src_files:
      - ...
      - assets/facebook-js-stub.js
    

Jasmine on another project

  1. Copy vendor/assets/javascripts/facebook-js-stub.js to spec/javascripts/helpers/.
  2. If you're explicitly setting helpers in your Jasmine configuration, add the new file:

    helper_files:
      - ...
      - helpers/facebook-js-stub.js
    

Usage

FB is a module that simulates the official Facebook JavaScript library.

FBStub is a module that provides methods for simulating a user's Facebook state and for simulating calls from Facebook to your callbacks.

FB.init(options)

As with the official Facebook library, you need to initialize it with your Application ID before anything else. Add the following in a beforeEach:

FB.init({appId: 123});

FB.getLoginStatus(callback)

The given callback is called immediately and synchronously using the user's Facebook state as set via FBStub.

See FBStub.loggedIn(), FBStub.notLoggedIn(), FBStub.connected(), and FBStub.notConnected().

FB.api(path, callback)

The given request is recorded. The callback is not immediately called but stored for later use.

To trigger a simulated response from Facebook, see FBStub.respondToApiRequest().

FBStub.loggedIn(userId)

This simulates a logged in user.

FBStub.notLoggedIn()

This simulates a logged out user.

FBStub.connected()

This simulates a user having authorized the current application.

FBStub.notConnected()

This simulates a user having not authorized the current application.

FBStub.respondToApiRequest(path, response)

This responds to a previously recorded FB.api() request matching the given path. It will synchronously call the stored callback with the given response.

Notes

  • When using facebook-js-stub.js, do not include Facebook's official JavaScript library. They both use the FB namespace, so one will override the other.

License

Please see the included license file.

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