1 files changed, 33 insertions, 30 deletions

diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 2cc85a9f69..fece499c94 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -50,7 +50,12 @@ module ActionView
 
       module ClassMethods
         def tests(helper_class)
-          self.helper_class = helper_class
+          case helper_class
+          when String, Symbol
+            self.helper_class = "#{helper_class.to_s.underscore}_helper".camelize.safe_constantize
+          when Module
+            self.helper_class = helper_class
+          end
         end
 
         def determine_default_helper_class(name)
@@ -65,7 +70,7 @@ module ActionView
           methods.flatten.each do |method|
             _helpers.module_eval <<-end_eval
               def #{method}(*args, &block)                    # def current_user(*args, &block)
-                _test_case.send(%(#{method}), *args, &block)  #   test_case.send(%(current_user), *args, &block)
+                _test_case.send(%(#{method}), *args, &block)  #   _test_case.send(%(current_user), *args, &block)
               end                                             # end
             end_eval
           end
@@ -180,32 +185,32 @@ module ActionView
 
       alias_method :_view, :view
 
-      INTERNAL_IVARS = %w{
-        @__name__
-        @__io__
-        @_assertion_wrapped
-        @_assertions
-        @_result
-        @_routes
-        @controller
-        @layouts
-        @locals
-        @method_name
-        @output_buffer
-        @partials
-        @passed
-        @rendered
-        @request
-        @routes
-        @templates
-        @options
-        @test_passed
-        @view
-        @view_context_class
-      }
+      INTERNAL_IVARS = [
+        :@__name__,
+        :@__io__,
+        :@_assertion_wrapped,
+        :@_assertions,
+        :@_result,
+        :@_routes,
+        :@controller,
+        :@layouts,
+        :@locals,
+        :@method_name,
+        :@output_buffer,
+        :@partials,
+        :@passed,
+        :@rendered,
+        :@request,
+        :@routes,
+        :@templates,
+        :@options,
+        :@test_passed,
+        :@view,
+        :@view_context_class
+      ]
 
       def _user_defined_ivars
-        instance_variables.map(&:to_s) - INTERNAL_IVARS
+        instance_variables - INTERNAL_IVARS
       end
 
       # Returns a Hash of instance variables and their values, as defined by
@@ -213,8 +218,8 @@ module ActionView
       # rendered. This is generally intended for internal use and extension
       # frameworks.
       def view_assigns
-        Hash[_user_defined_ivars.map do |var|
-          [var[1, var.length].to_sym, instance_variable_get(var)]
+        Hash[_user_defined_ivars.map do |ivar|
+          [ivar[1..-1].to_sym, instance_variable_get(ivar)]
         end]
       end
 
@@ -230,10 +235,8 @@ module ActionView
           super
         end
       end
-
     end
 
     include Behavior
-
   end
 end