rails/railties/test/initializer_test.rb

require "#{File.dirname(__FILE__)}/abstract_unit"
require 'initializer'

class ConfigurationMock < Rails::Configuration
  attr_reader :environment_path

  def initialize(envpath)
    super()
    @environment_path = envpath
  end
end

class Initializer_load_environment_Test < Test::Unit::TestCase

  def test_load_environment_with_constant
    config = ConfigurationMock.new("#{File.dirname(__FILE__)}/fixtures/environment_with_constant.rb")
    assert_nil $initialize_test_set_from_env
    Rails::Initializer.run(:load_environment, config)
    assert_equal "success", $initialize_test_set_from_env
  ensure
    $initialize_test_set_from_env = nil
  end

end

class Initializer_after_initialize_with_blocks_environment_Test < Test::Unit::TestCase
  def setup
    config = ConfigurationMock.new("")
    config.after_initialize do
      $test_after_initialize_block1 = "success"
    end
    config.after_initialize do
      $test_after_initialize_block2 = "congratulations"
    end    
    assert_nil $test_after_initialize_block1
    assert_nil $test_after_initialize_block2    

    Rails::Initializer.run(:after_initialize, config)
  end
  
  def teardown
    $test_after_initialize_block1 = nil
    $test_after_initialize_block2 = nil    
  end

  def test_should_have_called_the_first_after_initialize_block
    assert_equal "success", $test_after_initialize_block1
  end
  
  def test_should_have_called_the_second_after_initialize_block
    assert_equal "congratulations", $test_after_initialize_block2
  end
end
  
class Initializer_after_initialize_with_no_block_environment_Test < Test::Unit::TestCase

  def setup
    config = ConfigurationMock.new("")
    config.after_initialize do
      $test_after_initialize_block1 = "success"
    end
    config.after_initialize # don't pass a block, this is what we're testing!
    config.after_initialize do
      $test_after_initialize_block2 = "congratulations"
    end    
    assert_nil $test_after_initialize_block1

    Rails::Initializer.run(:after_initialize, config)
  end

  def teardown
    $test_after_initialize_block1 = nil
    $test_after_initialize_block2 = nil    
  end

  def test_should_have_called_the_first_after_initialize_block
    assert_equal "success", $test_after_initialize_block1, "should still get set"
  end

  def test_should_have_called_the_second_after_initialize_block
    assert_equal "congratulations", $test_after_initialize_block2
  end

end

uses_mocha 'framework paths' do
  class ConfigurationFrameworkPathsTests < Test::Unit::TestCase
    def setup
      @config = Rails::Configuration.new
      @config.frameworks.clear
      
      File.stubs(:directory?).returns(true)
      @config.stubs(:framework_root_path).returns('')
    end

    def test_minimal
      expected = %w(
        /railties
        /railties/lib
        /activesupport/lib
      )
      assert_equal expected, @config.framework_paths
    end

    def test_actioncontroller_or_actionview_add_actionpack
      @config.frameworks << :action_controller
      assert_framework_path '/actionpack/lib'
      
      @config.frameworks = [:action_view]
      assert_framework_path '/actionpack/lib'
    end

    def test_paths_for_ar_ares_and_mailer
      [:active_record, :action_mailer, :active_resource, :action_web_service].each do |framework|
        @config.frameworks = [framework]
        assert_framework_path "/#{framework.to_s.gsub('_', '')}/lib"
      end
    end

    def test_unknown_framework_raises_error
      @config.frameworks << :action_foo
      initializer = Rails::Initializer.new @config
      initializer.expects(:require).raises(LoadError)

      assert_raise RuntimeError do
        initializer.send :require_frameworks
      end
    end

    protected

      def assert_framework_path(path)
        assert @config.framework_paths.include?(path),
          "<#{path.inspect}> not found among <#{@config.framework_paths.inspect}>"
      end
  end
end