require File.expand_path(File.dirname(__FILE__) + "/../spec_helper")


describe "field_labeled" do
  
  class << self
    def using_this_html html
      before(:each) do
        @session = Webrat::TestSession.new
        @session.response_body = html
      end
    end
    
    def field_labeled label
      @label = label
      yield
    end
    
    def should_return_a type, opts
      it "should return a textfield" do
        @session.field_labeled(opts[:for]).should be_an_instance_of(type)
      end
    end
    
    def with_an_id_of id, opts
      it "should return an element with the correct id" do
        @session.field_labeled(opts[:for]).should match_id(id)
      end
    end
    
    def should_raise_error_matching regexp, opts
      it "should raise with wrong label" do
        lambda {
          @session.field_labeled(opts[:for])
        }.should raise_error(regexp)
      end
    end
  end
  
  def match_id(id)
    simple_matcher "element with id #{id.inspect}" do |element, matcher|
      element.matches_id? id
    end
  end
  
  describe "finding a text field" do
    using_this_html <<-HTML
      <form>
      <label for="element_42">The Label</label>
      <input type="text" id="element_42">
      </form>
    HTML

    should_return_a Webrat::TextField, :for => "The Label"
    with_an_id_of  "element_42",       :for => "The Label"
    should_raise_error_matching /Could not find .* "Other Label"/, :for => "Other Label"
  end

  describe "finding a hidden field" do
    using_this_html <<-HTML
      <form>
      <label for="element_42">The Label</label>
      <input type="hidden" id="element_42">
      </form>
    HTML

    should_return_a Webrat::HiddenField, :for => "The Label"
    with_an_id_of  "element_42",         :for => "The Label"
    should_raise_error_matching /Could not find .* "Other Label"/, :for => "Other Label"
  end

  describe "finding a checkbox" do
    using_this_html <<-HTML
      <form>
      <label for="element_42">The Label</label>
      <input type="checkbox" id="element_42">
      </form>
    HTML

    should_return_a Webrat::CheckboxField, :for => "The Label"
    with_an_id_of  "element_42",           :for => "The Label"
    should_raise_error_matching /Could not find .* "Other Label"/, :for => "Other Label"
  end

  describe "finding a radio button" do
    using_this_html <<-HTML
      <form>
      <label for="element_42">The Label</label>
      <input type="radio" id="element_42">
      </form>
    HTML

    should_return_a Webrat::RadioField, :for => "The Label"
    with_an_id_of  "element_42",        :for => "The Label"
    should_raise_error_matching /Could not find .* "Other Label"/, :for => "Other Label"
  end


  describe "finding a text area" do
    using_this_html <<-HTML
      <form>
      <label for="element_42">The Label</label>
      <textarea id="element_42"></textarea>
      </form>
    HTML

    should_return_a Webrat::TextareaField, :for => "The Label"
    with_an_id_of  "element_42",           :for => "The Label"
    should_raise_error_matching /Could not find .* "Other Label"/, :for => "Other Label"
  end
end