module Shoulda::Matchers::ActionController

def render_template(options = {}, message = nil)

it { should render_template(partial: false) }
assert that no partials were rendered

it { should render_template(partial: '_customer', count: 2) }
assert that the "_customer" partial was rendered twice

it { should render_template(partial: '_customer') }
assert that the "_customer" partial was rendered

it { should render_template(:show) }

Example:

Ensures a controller rendered the given template.
:nodoc: 
def render_template(options = {}, message = nil)
  RenderTemplateMatcher.new(options, message, self)
end