module RSpec::Rails::ViewExampleGroup::InstanceMethods

def _controller_path 

def _controller_path
  _path_parts[0..-2].join("/")
end

def _default_file_to_render 

def _default_file_to_render
  example.example_group.top_level_description
end

def _include_controller_helpers 

def _include_controller_helpers
  helpers = controller._helpers
  view.singleton_class.class_eval do
    include helpers unless included_modules.include?(helpers)
  end
end

def _inferred_action 

def _inferred_action
  _path_parts.last.split(".").first
end

def _path_parts 

def _path_parts
  _default_file_to_render.split("/")
end

def params

params[:foo] = 'bar'

view:
Provides access to the params hash that will be available within the 
def params
  controller.params
end

def render(options={}, local_assigns={}, &block)

end
end
...
render # => view.render(:file => "widgets/new.html.erb")
it "shows all the widgets" do
describe "widgets/new.html.erb" do

will pass the top level description to render:
The only addition is that you can call render with no arguments, and RSpec

info.
Delegates to ActionView::Base#render, so see documentation on that for more

render({:partial => "widgets/widget.html.erb"}, {... locals ...}) do ... end
render({:partial => "widgets/widget.html.erb"}, {... locals ...})
render(:template => "widgets/new.html.erb")
render
:call-seq: 
def render(options={}, local_assigns={}, &block)
  options = {:template => _default_file_to_render} if Hash === options and options.empty?
  super(options, local_assigns, &block)
end

def response

Deprecated. Use +rendered+ instead. 
def response
  RSpec.deprecate("response", "rendered")
  rendered
end

def template

Deprecated. Use +view+ instead. 
def template
  RSpec.deprecate("template","view")
  view
end

def view

end
end
...
render
view.stub(:foo) { "foo" }
it "shows all the widgets" do
describe "widgets/new.html.erb" do

on the view:
Use this before the +render+ call to stub any methods you want to stub
The instance of ActionView::Base that is used to render the template. 
def view
  _view
end