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

   1 require File.dirname(__FILE__) + '/../abstract_unit'
   2
   3 class ViewLoadPathsTest < Test::Unit::TestCase
   4
   5   LOAD_PATH_ROOT = File.join(File.dirname(__FILE__), '..', 'fixtures')
   6
   7   ActionController::Base.view_paths = [ LOAD_PATH_ROOT ]
   8
   9   class TestController < ActionController::Base
  10     def self.controller_path() "test" end
  11     def rescue_action(e) raise end
  12
  13     before_filter :add_view_path, :only => :hello_world_at_request_time
  14
  15     def hello_world() end
  16     def hello_world_at_request_time() render(:action => 'hello_world') end
  17     private
  18     def add_view_path
  19       self.class.view_paths.unshift "#{LOAD_PATH_ROOT}/override"
  20     end
  21   end
  22
  23   class Test::SubController < ActionController::Base
  24     layout 'test/sub'
  25     def hello_world; render(:template => 'test/hello_world'); end
  26   end
  27
  28   def setup
  29     TestController.view_paths = nil
  30     ActionView::Base.cache_template_extensions = false
  31     @controller = TestController.new
  32     @request  = ActionController::TestRequest.new
  33     @response = ActionController::TestResponse.new
  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     ActionView::Base.cache_template_extensions = true
  44   end
  45
  46   def test_template_load_path_was_set_correctly
  47     assert_equal [ LOAD_PATH_ROOT ], @controller.view_paths
  48   end
  49
  50   def test_template_appends_path_correctly
  51     TestController.append_view_path 'foo'
  52     assert_equal [LOAD_PATH_ROOT, 'foo'], @controller.view_paths
  53
  54     TestController.append_view_path(%w(bar baz))
  55     assert_equal [LOAD_PATH_ROOT, 'foo', 'bar', 'baz'], @controller.view_paths
  56   end
  57
  58   def test_template_prepends_path_correctly
  59     TestController.prepend_view_path 'baz'
  60     assert_equal ['baz', LOAD_PATH_ROOT], @controller.view_paths
  61
  62     TestController.prepend_view_path(%w(foo bar))
  63     assert_equal ['foo', 'bar', 'baz', LOAD_PATH_ROOT], @controller.view_paths
  64   end
  65
  66   def test_view_paths
  67     get :hello_world
  68     assert_response :success
  69     assert_equal "Hello world!", @response.body
  70   end
  71
  72   def test_view_paths_override
  73     TestController.view_paths.unshift "#{LOAD_PATH_ROOT}/override"
  74     get :hello_world
  75     assert_response :success
  76     assert_equal "Hello overridden world!", @response.body
  77   end
  78
  79   def test_view_paths_override_for_layouts_in_controllers_with_a_module
  80     @controller = Test::SubController.new
  81     Test::SubController.view_paths = [ "#{LOAD_PATH_ROOT}/override", LOAD_PATH_ROOT, "#{LOAD_PATH_ROOT}/override2" ]
  82     get :hello_world
  83     assert_response :success
  84     assert_equal "layout: Hello overridden world!", @response.body
  85   end
  86
  87   def test_view_paths_override_at_request_time
  88     get :hello_world_at_request_time
  89     assert_response :success
  90     assert_equal "Hello overridden world!", @response.body
  91   end
  92
  93   def test_inheritance
  94     original_load_paths = ActionController::Base.view_paths
  95
  96     self.class.class_eval %{
  97       class A < ActionController::Base; end
  98       class B < A; end
  99       class C < ActionController::Base; end
 100     }
 101
 102     A.view_paths = [ 'a/path' ]
 103
 104     assert_equal [ 'a/path' ],        A.view_paths
 105     assert_equal A.view_paths,   B.view_paths
 106     assert_equal original_load_paths, C.view_paths
 107
 108     C.view_paths = []
 109     assert_nothing_raised { C.view_paths << 'c/path' }
 110     assert_equal ['c/path'], C.view_paths
 111   end
 112
 113 end