rails/actionpack/test/template/url_helper_test.rb

require File.dirname(__FILE__) + '/../abstract_unit'

require File.dirname(__FILE__) + '/../../lib/action_view/helpers/url_helper'
require File.dirname(__FILE__) + '/../../lib/action_view/helpers/asset_tag_helper'
require File.dirname(__FILE__) + '/../../lib/action_view/helpers/tag_helper'

RequestMock = Struct.new("Request", :request_uri)

class UrlHelperTest < Test::Unit::TestCase
  include ActionView::Helpers::AssetTagHelper
  include ActionView::Helpers::UrlHelper
  include ActionView::Helpers::TagHelper

  def setup
    @controller = Class.new do
      def url_for(options, *parameters_for_method_reference)
        "http://www.example.com"
      end
    end
    @controller = @controller.new
  end

  # todo: missing test cases
  def test_link_tag_with_straight_url
    assert_equal "<a href=\"http://www.example.com\">Hello</a>", link_to("Hello", "http://www.example.com")
  end

  def test_link_tag_with_javascript_confirm
    assert_equal(
      "<a href=\"http://www.example.com\" onclick=\"return confirm('Are you sure?');\">Hello</a>",
      link_to("Hello", "http://www.example.com", :confirm => "Are you sure?")
    )
    assert_equal(
      "<a href=\"http://www.example.com\" onclick=\"return confirm('You can\\'t possibly be sure, can you?');\">Hello</a>", 
      link_to("Hello", "http://www.example.com", :confirm => "You can't possibly be sure, can you?")
    )
  end

  def test_link_to_unless
    assert_equal "Showing", link_to_unless(true, "Showing", :action => "show", :controller => "weblog")
    assert "<a href=\"http://www.example.com\">Listing</a>", link_to_unless(false, "Listing", :action => "list", :controller => "weblog")
    assert_equal "Showing", link_to_unless(true, "Showing", :action => "show", :controller => "weblog", :id => 1)
    assert_equal "<strong>Showing</strong>", link_to_unless(true, "Showing", :action => "show", :controller => "weblog", :id => 1) { |name, options, html_options, *parameters_for_method_reference|
      "<strong>#{name}</strong>"
    }
    assert_equal "<strong>Showing</strong>", link_to_unless(true, "Showing", :action => "show", :controller => "weblog", :id => 1) { |name|
      "<strong>#{name}</strong>"
    }    
    assert_equal "test", link_to_unless(true, "Showing", :action => "show", :controller => "weblog", :id => 1) {
      "test"
    }    
  end
  
  def test_link_to_if
    assert_equal "Showing", link_to_if(false, "Showing", :action => "show", :controller => "weblog")
    assert "<a href=\"http://www.example.com\">Listing</a>", link_to_if(true, "Listing", :action => "list", :controller => "weblog")
    assert_equal "Showing", link_to_if(false, "Showing", :action => "show", :controller => "weblog", :id => 1)
  end


  def test_link_unless_current
    @request = RequestMock.new("http://www.example.com")
    assert_equal "Showing", link_to_unless_current("Showing", :action => "show", :controller => "weblog")
    @request = RequestMock.new("http://www.example.org")
    assert "<a href=\"http://www.example.com\">Listing</a>", link_to_unless_current("Listing", :action => "list", :controller => "weblog")

    @request = RequestMock.new("http://www.example.com")
    assert_equal "Showing", link_to_unless_current("Showing", :action => "show", :controller => "weblog", :id => 1)
  end

  def test_mail_to
    assert_equal "<a href=\"mailto:david@loudthinking.com\">david@loudthinking.com</a>", mail_to("david@loudthinking.com")
    assert_equal "<a href=\"mailto:david@loudthinking.com\">David Heinemeier Hansson</a>", mail_to("david@loudthinking.com", "David Heinemeier Hansson")
    assert_equal(
      "<a class=\"admin\" href=\"mailto:david@loudthinking.com\">David Heinemeier Hansson</a>",
      mail_to("david@loudthinking.com", "David Heinemeier Hansson", "class" => "admin")
    )
    assert_equal mail_to("david@loudthinking.com", "David Heinemeier Hansson", "class" => "admin"),
                 mail_to("david@loudthinking.com", "David Heinemeier Hansson", :class => "admin")
  end


  def test_mail_to_with_javascript
    assert_equal "<script type=\"text/javascript\" language=\"javascript\">eval(unescape('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%64%6f%6d%61%69%6e%2e%63%6f%6d%22%3e%4d%79%20%65%6d%61%69%6c%3c%2f%61%3e%27%29%3b'))</script>", mail_to("me@domain.com", "My email", :encode => "javascript")
  end

  def test_mail_to_with_hex
    assert_equal "<a href=\"mailto:%6d%65@%64%6f%6d%61%69%6e.%63%6f%6d\">My email</a>", mail_to("me@domain.com", "My email", :encode => "hex")
  end

  def test_link_with_nil_html_options
    assert_equal "<a href=\"http://www.example.com\">Hello</a>", link_to("Hello", {:action => 'myaction'}, nil)
  end
end