--- /dev/null
+require 'abstract_unit'
+
+class ViewLoadPathsTest < Test::Unit::TestCase
+ class TestController < ActionController::Base
+ def self.controller_path() "test" end
+ def rescue_action(e) raise end
+
+ before_filter :add_view_path, :only => :hello_world_at_request_time
+
+ def hello_world() end
+ def hello_world_at_request_time() render(:action => 'hello_world') end
+
+ private
+ def add_view_path
+ prepend_view_path "#{FIXTURE_LOAD_PATH}/override"
+ end
+ end
+
+ class Test::SubController < ActionController::Base
+ layout 'test/sub'
+ def hello_world; render(:template => 'test/hello_world'); end
+ end
+
+ def setup
+ TestController.view_paths = nil
+
+ @request = ActionController::TestRequest.new
+ @response = ActionController::TestResponse.new
+
+ @controller = TestController.new
+ # Following is needed in order to setup @controller.template object properly
+ @controller.send :initialize_template_class, @response
+ @controller.send :assign_shortcuts, @request, @response
+
+ # Track the last warning.
+ @old_behavior = ActiveSupport::Deprecation.behavior
+ @last_message = nil
+ ActiveSupport::Deprecation.behavior = Proc.new { |message, callback| @last_message = message }
+ end
+
+ def teardown
+ ActiveSupport::Deprecation.behavior = @old_behavior
+ end
+
+ def test_template_load_path_was_set_correctly
+ assert_equal [FIXTURE_LOAD_PATH], @controller.view_paths
+ end
+
+ def test_controller_appends_view_path_correctly
+ @controller.append_view_path 'foo'
+ assert_equal [FIXTURE_LOAD_PATH, 'foo'], @controller.view_paths
+
+ @controller.append_view_path(%w(bar baz))
+ assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz'], @controller.view_paths
+
+ @controller.append_view_path(FIXTURE_LOAD_PATH)
+ assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
+ end
+
+ def test_controller_prepends_view_path_correctly
+ @controller.prepend_view_path 'baz'
+ assert_equal ['baz', FIXTURE_LOAD_PATH], @controller.view_paths
+
+ @controller.prepend_view_path(%w(foo bar))
+ assert_equal ['foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
+
+ @controller.prepend_view_path(FIXTURE_LOAD_PATH)
+ assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
+ end
+
+ def test_template_appends_view_path_correctly
+ @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
+ class_view_paths = TestController.view_paths
+
+ @controller.append_view_path 'foo'
+ assert_equal [FIXTURE_LOAD_PATH, 'foo'], @controller.view_paths
+
+ @controller.append_view_path(%w(bar baz))
+ assert_equal [FIXTURE_LOAD_PATH, 'foo', 'bar', 'baz'], @controller.view_paths
+ assert_equal class_view_paths, TestController.view_paths
+ end
+
+ def test_template_prepends_view_path_correctly
+ @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
+ class_view_paths = TestController.view_paths
+
+ @controller.prepend_view_path 'baz'
+ assert_equal ['baz', FIXTURE_LOAD_PATH], @controller.view_paths
+
+ @controller.prepend_view_path(%w(foo bar))
+ assert_equal ['foo', 'bar', 'baz', FIXTURE_LOAD_PATH], @controller.view_paths
+ assert_equal class_view_paths, TestController.view_paths
+ end
+
+ def test_view_paths
+ get :hello_world
+ assert_response :success
+ assert_equal "Hello world!", @response.body
+ end
+
+ def test_view_paths_override
+ TestController.prepend_view_path "#{FIXTURE_LOAD_PATH}/override"
+ get :hello_world
+ assert_response :success
+ assert_equal "Hello overridden world!", @response.body
+ end
+
+ def test_view_paths_override_for_layouts_in_controllers_with_a_module
+ @controller = Test::SubController.new
+ Test::SubController.view_paths = [ "#{FIXTURE_LOAD_PATH}/override", FIXTURE_LOAD_PATH, "#{FIXTURE_LOAD_PATH}/override2" ]
+ get :hello_world
+ assert_response :success
+ assert_equal "layout: Hello overridden world!", @response.body
+ end
+
+ def test_view_paths_override_at_request_time
+ get :hello_world_at_request_time
+ assert_response :success
+ assert_equal "Hello overridden world!", @response.body
+ end
+
+ def test_inheritance
+ original_load_paths = ActionController::Base.view_paths
+
+ self.class.class_eval %{
+ class A < ActionController::Base; end
+ class B < A; end
+ class C < ActionController::Base; end
+ }
+
+ A.view_paths = ['a/path']
+
+ assert_equal ['a/path'], A.view_paths
+ assert_equal A.view_paths, B.view_paths
+ assert_equal original_load_paths, C.view_paths
+
+ C.view_paths = []
+ assert_nothing_raised { C.view_paths << 'c/path' }
+ assert_equal ['c/path'], C.view_paths
+ end
+end