spec_helper.rb

$TESTING=true
$:.push File.join(File.dirname(__FILE__), '..', 'lib')

require 'twitter-text'
require 'hpricot'

Spec::Matchers.define :match_autolink_expression do
  match do |string|
    Twitter::Regex[:valid_url].match(string)
  end
end

Spec::Matchers.define :match_autolink_expression_in do |text|
  match do |url|
    @match_data = Twitter::Regex[:valid_url].match(text)
    @match_data && @match_data.to_s.strip == url
  end

  failure_message_for_should do |url|
    "Expected to find url '#{url}' in text '#{text}', but the match was #{@match_data.captures}'"
  end
end

Spec::Matchers.define :have_autolinked_url do |url|
  match do |text|
    @link = Hpricot(text).at("a[@href='#{url}']")
    @link &&
    @link.inner_text &&
    @link.inner_text == url
  end

  failure_message_for_should do |text|
    "Expected url '#{url}' to be autolinked in '#{text}'"
  end
end

Spec::Matchers.define :link_to_screen_name do |screen_name|
  match do |text|
    @link = Hpricot(text).at("a.username")
    @link && @link.inner_text == screen_name && "http://twitter.com/#{screen_name}".downcase.should == @link['href']
  end

  failure_message_for_should do |text|
    "expected link #{@link.inner_text} with href #{@link['href']} to match screen_name #{@screen_name}, but it does not"
  end

  failure_message_for_should_not do |text|
    "expected link #{@link.inner_text} with href #{@link['href']} not to match screen_name #{@screen_name}, but it does"
  end

  description do
    "contain a link with the name and href pointing to the expected screen_name"
  end
end

Spec::Matchers.define :link_to_list_path do |list_path|
  match do |text|
    @link = Hpricot(text).at("a.list-slug")
    !@link.nil? && @link.inner_text == list_path && "http://twitter.com/#{list_path}".downcase.should == @link['href']
  end

  failure_message_for_should do |text|
    "expected link #{@link.inner_text} with href #{@link['href']} to match the list path #{list_path}, but it does not"
  end

  failure_message_for_should_not do |text|
    "expected link #{@link.inner_text} with href #{@link['href']} not to match the list path #{@list_path}, but it does"
  end

  description do
    "contain a link with the list title and an href pointing to the list path"
  end
end

Spec::Matchers.define :have_autolinked_hashtag do |hashtag|
  match do |text|
    @link = Hpricot(text).at("a[@href='http://twitter.com/search?q=#{CGI.escape hashtag}']")
    @link &&
    @link.inner_text &&
    @link.inner_text == hashtag
  end

  failure_message_for_should do |text|
    "Expected hashtag #{hashtag} to be autolinked in '#{text}'"
  end
end