# File vendor/rails/actionpack/lib/action_view/test_case.rb, line 44
44:       def determine_default_helper_class(name)
45:         name.sub(/Test$/, '').constantize
46:       rescue NameError
47:         nil
48:       end

    # File vendor/rails/actionpack/lib/action_view/test_case.rb, line 36
36:       def helper_class
37:         if current_helper_class = read_inheritable_attribute(:helper_class)
38:           current_helper_class
39:         else
40:           self.helper_class = determine_default_helper_class(name)
41:         end
42:       end

    # File vendor/rails/actionpack/lib/action_view/test_case.rb, line 32
32:       def tests(helper_class)
33:         self.helper_class = helper_class
34:       end

    # File vendor/rails/actionpack/lib/action_view/test_case.rb, line 57
57:     def setup_with_helper_class
58:       if helper_class && !self.class.ancestors.include?(helper_class)
59:         self.class.send(:include, helper_class)
60:       end
61: 
62:       self.output_buffer = ''
63:     end