vendor/rails/actionpack/test/controller/view_paths_test.rb

   1 require 'abstract_unit'
   2
   3 class ViewLoadPathsTest < Test::Unit::TestCase
   4   class TestController < ActionController::Base
   5     def self.controller_path() "test" end
   6     def rescue_action(e) raise end
   7
   8     before_filter :add_view_path, :only => :hello_world_at_request_time
   9
  10     def hello_world() end
  11     def hello_world_at_request_time() render(:action => 'hello_world') end
  12
  13     private
  14       def add_view_path
  15         prepend_view_path "#{FIXTURE_LOAD_PATH}/override"
  16       end
  17   end
  18
  19   class Test::SubController < ActionController::Base
  20     layout 'test/sub'
  21     def hello_world; render(:template => 'test/hello_world'); end
  22   end
  23
  24   def setup
  25     TestController.view_paths = nil
  26
  27     @request  = ActionController::TestRequest.new
  28     @response = ActionController::TestResponse.new
  29
  30     @controller = TestController.new
  31     # Following is needed in order to setup @controller.template object properly
  32     @controller.send :initialize_template_class, @response
  33     @controller.send :assign_shortcuts, @request, @response
  34
  35     # Track the last warning.
  36     @old_behavior = ActiveSupport::Deprecation.behavior
  37     @last_message = nil
  38     ActiveSupport::Deprecation.behavior = Proc.new { |message, callback| @last_message = message }
  39   end
  40
  41   def teardown
  42     ActiveSupport::Deprecation.behavior = @old_behavior
  43   end
  44
  45   def test_template_load_path_was_set_correctly
  46     assert_equal [FIXTURE_LOAD_PATH], @controller.view_paths
  47   end
  48
  49   def test_controller_appends_view_path_correctly
  50     @controller.append_view_path 'foo'
  51     assert_equal [FIXTURE_LOAD_PATH, 'foo'], @controller.view_paths
  52
  53     @controller.append_view_path(%w(bar baz))
  54     assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz'], @controller.view_paths
  55
  56     @controller.append_view_path(FIXTURE_LOAD_PATH)
  57     assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
  58   end
  59
  60   def test_controller_prepends_view_path_correctly
  61     @controller.prepend_view_path 'baz'
  62     assert_equal ['baz', FIXTURE_LOAD_PATH], @controller.view_paths
  63
  64     @controller.prepend_view_path(%w(foo bar))
  65     assert_equal ['foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
  66
  67     @controller.prepend_view_path(FIXTURE_LOAD_PATH)
  68     assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
  69   end
  70
  71   def test_template_appends_view_path_correctly
  72     @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
  73     class_view_paths = TestController.view_paths
  74
  75     @controller.append_view_path 'foo'
  76     assert_equal [FIXTURE_LOAD_PATH, 'foo'], @controller.view_paths
  77
  78     @controller.append_view_path(%w(bar baz))
  79     assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz'], @controller.view_paths
  80     assert_equal class_view_paths, TestController.view_paths
  81   end
  82
  83   def test_template_prepends_view_path_correctly
  84     @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
  85     class_view_paths = TestController.view_paths
  86
  87     @controller.prepend_view_path 'baz'
  88     assert_equal ['baz', FIXTURE_LOAD_PATH], @controller.view_paths
  89
  90     @controller.prepend_view_path(%w(foo bar))
  91     assert_equal ['foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
  92     assert_equal class_view_paths, TestController.view_paths
  93   end
  94
  95   def test_view_paths
  96     get :hello_world
  97     assert_response :success
  98     assert_equal "Hello world!", @response.body
  99   end
 100
 101   def test_view_paths_override
 102     TestController.prepend_view_path "#{FIXTURE_LOAD_PATH}/override"
 103     get :hello_world
 104     assert_response :success
 105     assert_equal "Hello overridden world!", @response.body
 106   end
 107
 108   def test_view_paths_override_for_layouts_in_controllers_with_a_module
 109     @controller = Test::SubController.new
 110     Test::SubController.view_paths = [ "#{FIXTURE_LOAD_PATH}/override", FIXTURE_LOAD_PATH, "#{FIXTURE_LOAD_PATH}/override2" ]
 111     get :hello_world
 112     assert_response :success
 113     assert_equal "layout: Hello overridden world!", @response.body
 114   end
 115
 116   def test_view_paths_override_at_request_time
 117     get :hello_world_at_request_time
 118     assert_response :success
 119     assert_equal "Hello overridden world!", @response.body
 120   end
 121
 122   def test_inheritance
 123     original_load_paths = ActionController::Base.view_paths
 124
 125     self.class.class_eval %{
 126       class A < ActionController::Base; end
 127       class B < A; end
 128       class C < ActionController::Base; end
 129     }
 130
 131     A.view_paths = ['a/path']
 132
 133     assert_equal ['a/path'], A.view_paths
 134     assert_equal A.view_paths, B.view_paths
 135     assert_equal original_load_paths, C.view_paths
 136
 137     C.view_paths = []
 138     assert_nothing_raised { C.view_paths << 'c/path' }
 139     assert_equal ['c/path'], C.view_paths
 140   end
 141 end