First test rewrite

Rakefile

@@ -8,4 +8,5 @@ task :default => :test
 Rake::TestTask.new do |t|
   t.libs << 'test' << 'lib'
   t.verbose = true
+  t.pattern = 'test/**/*_test.rb'
 end

ajax-nested-fields.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
 
   s.rubyforge_project = "ajax-nested-fields"
 
-  s.add_dependency 'actionpack', '~> 3.0.0'
+  s.add_dependency 'rails', '~> 3.0.0'
   s.add_development_dependency "minitest"
 
   s.files         = `git ls-files`.split("\n")

lib/ajax-nested-fields.rb

@@ -1,11 +1,10 @@
 require 'action_view'
+require 'ajax-nested-fields/helpers'
 
 # module NestedFields
   # def self.included(base)
     # base.extend(ClassMethods)
   # end
 # end
 
-# class ActionView::Base
-  # include NestedFields
-# end
+ActionView::Base.send :include, AjaxNestedFields::Helpers

lib/ajax-nested-fields/helpers.rb

@@ -0,0 +1,21 @@
+module AjaxNestedFields
+  module Helpers
+    def just_a_helper
+      "success"
+    end
+
+    def link_to_remove_fields(name, f, container)
+      f.hidden_field(:_destroy) + link_to_function(name, "remove_fields(this, '#{container}')")
+    end
+
+    def link_to_new_child(f, association)
+      object = f.object.class.reflect_on_association(association.to_sym).klass.new
+
+      fields = f.fields_for(association, object, :child_index => "new_#{association.singularize}") do |builder|
+        render("#{association.singularize}_fields", :f => builder)
+      end
+
+      link_to_function "Add #{association}", h("add_child_field('#{association}', 'new_#{association.singularize}', \"#{escape_javascript(fields)}\")")
+    end
+  end
+end

test/ajax-nested-fields/helpers_test.rb

@@ -0,0 +1,28 @@
+require 'test_helper'
+require 'action_view/template/handlers/erb'
+
+class Movie
+  extend ActiveModel::Naming
+  include ActiveModel::Conversion
+
+  def persisted?
+    false
+  end
+
+  def _destroy
+
+  end
+end
+
+class HelpersTest < ActionView::TestCase
+  include AjaxNestedFields::Helpers
+
+  def test_link_to_remove_fields
+    movie = Movie.new
+    result = form_for movie do |f|
+      link_to_remove_fields('movie_name', f, 'movies')
+    end
+
+    assert_match result, %r{onclick="remove_fields\(this, 'movies'\); return false;"}
+  end
+end

test/test_helper.rb

@@ -2,6 +2,20 @@
 require 'bundler/setup'
 require 'minitest/autorun'
 
+ENV['RAILS_ENV'] ||= 'test'
+
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 $LOAD_PATH.unshift(File.dirname(__FILE__))
+require 'rails/all'
+require 'rails/test_help'
 require 'ajax-nested-fields'
+
+module AjaxNestedFields
+  class Application < Rails::Application; end
+end
+
+ActionController::Base.send :include, AjaxNestedFields::Application.routes.url_helpers
+
+AjaxNestedFields::Application.routes.draw do
+  resources :movies
+end