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A Sinatra extension and repository of common Test/RSpec helpers when testing your Sinatra Apps

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README.rdoc

Sinatra::Tests

A Sinatra extension and repository of common RSpec helpers when testing your Sinatra apps/gems.

Installation

#  Add Gemcutter to your RubyGems sources 
$  gem sources -a http://gemcutter.com

$  (sudo)? gem install sinatra-tests

Dependencies

This Gem depends upon the following:

  • sinatra ( >= 0.10.1 )

  • rspec (>= 1.3.0 )

  • rack-test (>= 0.5.3)

  • rspec_hpricot_matchers (>= 0.1.0)

Getting Started

Step 1

In your spec/spec_helper.rb file add the following:

require 'sinatra/tests'

By just requiring that gem, you essentially get all of this:

require 'sinatra/base'
require 'test/unit'
require 'rack/test'
require 'spec'
require 'spec/interop/test'
require 'rspec_hpricot_matchers'

and a few other goodies.

Step 2

Declare the following Spec block:

Spec::Runner.configure do |config|
  config.include RspecHpricotMatchers
  config.include Sinatra::Tests::TestCase
  config.include Sinatra::Tests::RSpec::SharedSpecs
end

Step 3

In your TestApp block, register the Sinatra::Tests extension, by adding the following:

class MyTestApp < Sinatra::Base 

  register(Sinatra::Tests)

  <snip...>
end

Step 4

And finally define the TestCase block like this:

class Test::Unit::TestCase 
  Sinatra::Base.set :environment, :test
end

That's all. Now onto the niceties this provides you.

USAGE

RSpec Matchers

:be_even

A simple matcher that tests for an even number

1.should_not be_even
2.should be_even

:have_a_page_title(:title_text)

A simple matcher that tests for a <head> with a <title> tag with the given text.

body.should have_a_page_title("Home | Site Title")

body.should have_a_page_title(/Home/)

:have_a_page_header(:text, :tag)

A simple matcher that tests for <h(1..6)> header tag with the given text.

NB! Throws an Exception when there's more than one page header on the page.

body.should have_a_page_header('Page Header')

body.should have_a_page_header(/Contact Information/, 'h1')

body.should have_a_page_header(/Contact Information/, 'body > h1')

:have_a_ui_btn(:tag, :action, :model_name_singluar, :link_text)

A simple matcher that tests for a <a href> tag with class 'ui-btn :action-link' and a number of other specific values, derived from the other arguments passed.

body.should have_a_ui_btn('div', :edit, :article, 'Edit')

  => expects <a href="/articles/:id/edit" class="ui-btn edit-link" title="edit article">Edit</a>

body.should have_a_ui_btn('div', :delete, :article) =>

  => expects <a href="/articles/:id" class="ui-btn delete-link" title="delete article">DELETE</a>

:have_an_edit_btn(:tag, :model_name_singluar)

A simple matcher that tests for a <a href> tag with class 'ui-btn edit-link'

body.should have_an_edit_btn('td.actions', :post)

body.should have_an_edit_btn('td.actions', :post, 'Custom Btn Text')

:have_a_delete_btn(:tag, :model_name_singluar)

A simple matcher that tests for a <a href> tag with class 'ui-btn delete-link'

body.should have_a_delete_btn('td.actions', :post)

body.should have_a_delete_btn('td.actions', :post, 'Custom Btn Text')

:have_a_show_btn(:tag, :model_name_singluar)

A simple matcher that tests for a <a href> tag with class 'ui-btn show-link'

body.should have_a_show_btn('td.actions', :post)

body.should have_a_show_btn('td.actions', :post, 'Custom Btn Text')

RSpec SharedSpecs

These are just some of the shared specs that I have been using, but they are being changed at the moment, so no guarantees of them surviving or remaining in their current form / functionality.

DEBUG

Dump a list of methods for the current app

it_should_behave_like "debug => app.methods"

Tests the body output for a <debug> tag, ie: prints out the entire body content

it_should_behave_like "debug"

RESPONSE

Checks that we got a 200 status (OK), and content-type is text/html

it_should_behave_like "HTTP headers"

it_should_behave_like "HTML"

Checks that we got a 200 status (OK), and content-type is text/css

it_should_behave_like "CSS"

HTML OUTPUT

Checks that the page has a <div id="main-content"></div>

it_should_behave_like "div#main-content"

Checks that the page has an <h2> tag within the <div id="main-content"></div>

it_should_behave_like "div#main-content > h2"

More to be addded later…

FORMS

Checks that the page has a form with a <input type="hidden"...> tag.

it_should_behave_like "forms > faux method > input.hidden"

More to be addded later…

RTFM

For a better understanding of this Gem, make sure you study the 'sinatra-tests/spec/*_spec.rb' files.

Errors / Bugs

If something is not behaving intuitively, it is a bug, and should be reported. Report it here: github.com/kematzy/sinatra-tests/issues

TODOs

  • Add more tests to various matchers.

  • Create a test suite for the Shared Specs.

  • Add Test::Unit (assert*) matchers and shared tests. (Please fork and add if you want this!)

Note on Patches/Pull Requests

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don't break it in a future version unintentionally.

  • Commit, do not mess with rakefile, version, or history.

    • (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

  • Send me a pull request. Bonus points for topic branches.

Credits

Copyright © 2009 Kematzy [ kematzy gmail com ]

Licence

Released under the MIT license.

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