receive.rb

# TasksController
describe TasksController do
  describe "responding to GET show" do
    receive :find, :on => Task, :with => '37', :and_return => :mock_task
    get  :show, :id => '37'

    it { should match_expectations                                            }
    it { should ensure_assign(:project, :task).equal(mock_project, mock_task) }
  end
end


# If tasks belongs_to project...
describe TasksController do
  receive :find_by_title, :on => Project, :with => '42', :and_return => :mock_project
  receive :tasks, :on => :mock_project, :and_return => Task
  action  :all, :project_id => '42'

  describe "responding to GET show" do
    receive :find, :with => '37', :and_return => :mock_task
    get  :show, :id => '37'

    it { should match_expectations                                            }
    it { should ensure_assign(:project, :task).equal(mock_project, mock_task) }
  end
end

# With some send aliases...
describe TasksController do
  receives :find_by_title, :on => Project, :with => '42', :and_return => :mock_project
  which    :receives, :tasks, :and_return => Task
  action   :all, :project_id => '42'

  describe "responding to GET show" do
    receives :find, :on => Task, :with => '37', :and_return => :mock_task
    and_then :get, :show, :id => '37'

    it { should match_expectations                                            }
    it { should ensure_assign(:project, :task).equal(mock_project, mock_task) }
  end
end