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

class ModelAndLibTest < Test::Unit::TestCase

 	def test_WITH_a_model_defined_only_in_a_plugin_IT_should_load_the_model

 	  assert_equal 'AlphaPluginModel (from alpha_plugin)', AlphaPluginModel.report_location

  end

  def test_WITH_a_model_defined_only_in_a_plugin_lib_dir_IT_should_load_the_model

 	  assert_equal 'AlphaPluginLibModel (from alpha_plugin)', AlphaPluginLibModel.report_location

  end

  # app takes precedence over plugins

	def test_WITH_a_model_defined_in_both_app_and_plugin_IT_should_load_the_one_in_app

 	  assert_equal 'AppAndPluginModel (from app)',	AppAndPluginModel.report_location  

 	  assert_raises(NoMethodError) { AppAndPluginLibModel.defined_only_in_alpha_engine_version }

  end

	def test_WITH_a_model_defined_in_both_app_and_plugin_lib_dirs_IT_should_load_the_one_in_app

 	  assert_equal 'AppAndPluginLibModel (from lib)', AppAndPluginLibModel.report_location

 	  assert_raises(NoMethodError) { AppAndPluginLibModel.defined_only_in_alpha_engine_version }

  end

  # subsequently loaded plugins take precendence over previously loaded plugins

  # TODO

  #

  # this does work when we rely on $LOAD_PATH while it won't work when we use

  # Dependency constant autoloading. This somewhat confusing difference has

  # been there since at least Rails 1.2.x. See http://www.ruby-forum.com/topic/134529

  def test_WITH_a_model_defined_in_two_plugins_IT_should_load_the_latter_of_both

    require 'shared_plugin_model'

    assert_equal SharedPluginModel.report_location, 'SharedPluginModel (from beta_plugin)'

  end

end