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Testing view helpers



I'm currently working on a Rails plugin used for generating iPhone specific HTML meta-tags. I'm trying to use ActionView::TestCase for unit tests but keep getting the same error. See file contents and error below. Any ideas or help would be much appreciated.





test_helper.rb







require 'rubygems'

require 'test/unit'

require 'active_support'

require 'action_view'

require File.join(File.dirname(__FILE__), '..', 'lib', 'iphone_helper')







iphone_test_helper.rb







require 'test_helper'



class IphoneHelperTest < ActionView::TestCase

test 'br' do

tag = tag('br')

assert_tag_in tag, '<br />'

end

end







error







RuntimeError: In order to use #url_for, you must include routing helpers explicitly. For instance, `include Rails.application.routes.url_helpers




Comments

  1. Awful and hacky workaround that worked for me (since I am working on a gem and not in a full rails environment):

    require 'ostruct'

    module ActionController::UrlFor
    def _routes
    helpers = OpenStruct.new
    helpers.url_helpers = Module.new
    helpers
    end
    end

    ReplyDelete
  2. Did you try to include the respective Module in an old-fashioned way?:

    include ActionDispatch::Routing::RouteSet


    If a NameError is raised telling you that ActionDispatch is unknown you might have to require 'action_dispatch'.

    ReplyDelete
  3. Maybe a stupid question, but is the fact that the class name and the file name don't match possibly a problem (IphoneHelperTest vs. iphone_test_helper.rb)? Sometimes that leads to classes not being loaded.

    ReplyDelete

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