have_option_matchers.rb

# usage:
#     field_labeled('Select your address').should have_option("Home Address")
Spec::Matchers.define :have_option do |expected|
  def options_for(select_field)
    select_field.options.map(&:inner_text)
  end

  match do |select_field|
    raise "Field is not a SelectField" unless select_field.kind_of?(Webrat::SelectField)
    options_for(select_field).include?(expected)
  end

  failure_message_for_should do |actual|
    "Expected this select field to have the following option: '#{expected}'. Actual options: #{options_for(actual).inspect}"
  end

  failure_message_for_should_not do |actual|
    "Expected the select field not to have the following option: '#{expected}'. It did!"
  end
end

# usage:
#     field_labeled('Select your address').should have_selected_option("Home Address")
Spec::Matchers.define :have_selected_option do |expected|
  def selected_option_for(select_field)
    select_field.options.detect do |option|
      option.element.attributes.has_key?('selected')
    end.inner_text
  end

  match do |select_field|
    raise "Field is not a SelectField" unless select_field.kind_of?(Webrat::SelectField)
    selected_option_for(select_field).should == expected
  end

  failure_message_for_should do |actual|
    "Expected '#{expected}' to be selected, but '#{selected_option_for(actual)}' was."
  end

  failure_message_for_should_not do |actual|
    "Expected '#{expected}' to not be selected (but it was)."
  end
end