vendor/rails/railties/test/initializer_test.rb

   1 require "#{File.dirname(__FILE__)}/abstract_unit"
   2 require 'initializer'
   3
   4 class ConfigurationMock < Rails::Configuration
   5   attr_reader :environment_path
   6
   7   def initialize(envpath)
   8     super()
   9     @environment_path = envpath
  10   end
  11 end
  12
  13 class Initializer_load_environment_Test < Test::Unit::TestCase
  14
  15   def test_load_environment_with_constant
  16     config = ConfigurationMock.new("#{File.dirname(__FILE__)}/fixtures/environment_with_constant.rb")
  17     assert_nil $initialize_test_set_from_env
  18     Rails::Initializer.run(:load_environment, config)
  19     assert_equal "success", $initialize_test_set_from_env
  20   ensure
  21     $initialize_test_set_from_env = nil
  22   end
  23
  24 end
  25
  26 class Initializer_after_initialize_with_blocks_environment_Test < Test::Unit::TestCase
  27   def setup
  28     config = ConfigurationMock.new("")
  29     config.after_initialize do
  30       $test_after_initialize_block1 = "success"
  31     end
  32     config.after_initialize do
  33       $test_after_initialize_block2 = "congratulations"
  34     end
  35     assert_nil $test_after_initialize_block1
  36     assert_nil $test_after_initialize_block2
  37
  38     Rails::Initializer.run(:after_initialize, config)
  39   end
  40
  41   def teardown
  42     $test_after_initialize_block1 = nil
  43     $test_after_initialize_block2 = nil
  44   end
  45
  46   def test_should_have_called_the_first_after_initialize_block
  47     assert_equal "success", $test_after_initialize_block1
  48   end
  49
  50   def test_should_have_called_the_second_after_initialize_block
  51     assert_equal "congratulations", $test_after_initialize_block2
  52   end
  53 end
  54
  55 class Initializer_after_initialize_with_no_block_environment_Test < Test::Unit::TestCase
  56
  57   def setup
  58     config = ConfigurationMock.new("")
  59     config.after_initialize do
  60       $test_after_initialize_block1 = "success"
  61     end
  62     config.after_initialize # don't pass a block, this is what we're testing!
  63     config.after_initialize do
  64       $test_after_initialize_block2 = "congratulations"
  65     end
  66     assert_nil $test_after_initialize_block1
  67
  68     Rails::Initializer.run(:after_initialize, config)
  69   end
  70
  71   def teardown
  72     $test_after_initialize_block1 = nil
  73     $test_after_initialize_block2 = nil
  74   end
  75
  76   def test_should_have_called_the_first_after_initialize_block
  77     assert_equal "success", $test_after_initialize_block1, "should still get set"
  78   end
  79
  80   def test_should_have_called_the_second_after_initialize_block
  81     assert_equal "congratulations", $test_after_initialize_block2
  82   end
  83
  84 end
  85
  86 uses_mocha 'framework paths' do
  87   class ConfigurationFrameworkPathsTests < Test::Unit::TestCase
  88     def setup
  89       @config = Rails::Configuration.new
  90       @config.frameworks.clear
  91
  92       File.stubs(:directory?).returns(true)
  93       @config.stubs(:framework_root_path).returns('')
  94     end
  95
  96     def test_minimal
  97       expected = %w(
  98         /railties
  99         /railties/lib
 100         /activesupport/lib
 101       )
 102       assert_equal expected, @config.framework_paths
 103     end
 104
 105     def test_actioncontroller_or_actionview_add_actionpack
 106       @config.frameworks << :action_controller
 107       assert_framework_path '/actionpack/lib'
 108
 109       @config.frameworks = [:action_view]
 110       assert_framework_path '/actionpack/lib'
 111     end
 112
 113     def test_paths_for_ar_ares_and_mailer
 114       [:active_record, :action_mailer, :active_resource, :action_web_service].each do |framework|
 115         @config.frameworks = [framework]
 116         assert_framework_path "/#{framework.to_s.gsub('_', '')}/lib"
 117       end
 118     end
 119
 120     def test_unknown_framework_raises_error
 121       @config.frameworks << :action_foo
 122       initializer = Rails::Initializer.new @config
 123       initializer.expects(:require).raises(LoadError)
 124
 125       assert_raise RuntimeError do
 126         initializer.send :require_frameworks
 127       end
 128     end
 129
 130     protected
 131
 132       def assert_framework_path(path)
 133         assert @config.framework_paths.include?(path),
 134           "<#{path.inspect}> not found among <#{@config.framework_paths.inspect}>"
 135       end
 136   end
 137 end
 138
 139 uses_mocha "Initializer plugin loading tests" do
 140   require File.dirname(__FILE__) + '/plugin_test_helper'
 141
 142   class InitializerPluginLoadingTests < Test::Unit::TestCase
 143     def setup
 144       @configuration     = Rails::Configuration.new
 145       @configuration.plugin_paths << plugin_fixture_root_path
 146       @initializer       = Rails::Initializer.new(@configuration)
 147       @valid_plugin_path = plugin_fixture_path('default/stubby')
 148       @empty_plugin_path = plugin_fixture_path('default/empty')
 149     end
 150
 151     def test_no_plugins_are_loaded_if_the_configuration_has_an_empty_plugin_list
 152       only_load_the_following_plugins! []
 153       @initializer.load_plugins
 154       assert_equal [], @initializer.loaded_plugins
 155     end
 156
 157     def test_only_the_specified_plugins_are_located_in_the_order_listed
 158       plugin_names = [:plugin_with_no_lib_dir, :acts_as_chunky_bacon]
 159       only_load_the_following_plugins! plugin_names
 160       load_plugins!
 161       assert_plugins plugin_names, @initializer.loaded_plugins
 162     end
 163
 164     def test_all_plugins_are_loaded_when_registered_plugin_list_is_untouched
 165       failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
 166       load_plugins!
 167       assert_plugins [:a, :acts_as_chunky_bacon, :plugin_with_no_lib_dir, :stubby], @initializer.loaded_plugins, failure_tip
 168     end
 169
 170     def test_all_plugins_loaded_when_all_is_used
 171       plugin_names = [:stubby, :acts_as_chunky_bacon, :all]
 172       only_load_the_following_plugins! plugin_names
 173       load_plugins!
 174       failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
 175       assert_plugins [:stubby, :acts_as_chunky_bacon, :a, :plugin_with_no_lib_dir], @initializer.loaded_plugins, failure_tip
 176     end
 177
 178     def test_all_plugins_loaded_after_all
 179       plugin_names = [:stubby, :all, :acts_as_chunky_bacon]
 180       only_load_the_following_plugins! plugin_names
 181       load_plugins!
 182       failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
 183       assert_plugins [:stubby, :a, :plugin_with_no_lib_dir, :acts_as_chunky_bacon], @initializer.loaded_plugins, failure_tip
 184     end
 185
 186     def test_plugin_names_may_be_strings
 187       plugin_names = ['stubby', 'acts_as_chunky_bacon', :a, :plugin_with_no_lib_dir]
 188       only_load_the_following_plugins! plugin_names
 189       load_plugins!
 190       failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
 191       assert_plugins plugin_names, @initializer.loaded_plugins, failure_tip
 192     end
 193
 194     def test_registering_a_plugin_name_that_does_not_exist_raises_a_load_error
 195       only_load_the_following_plugins! [:stubby, :acts_as_a_non_existant_plugin]
 196       assert_raises(LoadError) do
 197         load_plugins!
 198       end
 199     end
 200
 201     def test_should_ensure_all_loaded_plugins_load_paths_are_added_to_the_load_path
 202       only_load_the_following_plugins! [:stubby, :acts_as_chunky_bacon]
 203
 204       @initializer.add_plugin_load_paths
 205
 206       assert $LOAD_PATH.include?(File.join(plugin_fixture_path('default/stubby'), 'lib'))
 207       assert $LOAD_PATH.include?(File.join(plugin_fixture_path('default/acts/acts_as_chunky_bacon'), 'lib'))
 208     end
 209
 210     private
 211
 212       def load_plugins!
 213         @initializer.add_plugin_load_paths
 214         @initializer.load_plugins
 215       end
 216   end
 217
 218 end