This is a set of tests for default CRUD routing in rails. Also works with namespaces.

shared_examples_default_crud_routing.rb

shared_examples_for "default crud routing" do
  
  let(:random_id_for_routing) {rand(2000)}
  let(:controller_name)       {described_class.to_s.underscore.gsub(/_controller/, '')}

  it "should route to index action" do
    {:get => "/#{controller_name}"}.should route_to(
      :controller => controller_name,
      :action     => 'index'
    )
  end

  it "should route to show action" do
    {:get => "/#{controller_name}/#{random_id_for_routing}"}.should route_to(
      :controller => controller_name,
      :action     => 'show',
      :id         => "#{random_id_for_routing}"
    )
  end

  it "should route to destroy action" do
    {:delete => "/#{controller_name}/#{random_id_for_routing}"}.should route_to(
      :controller => controller_name,
      :action     => 'destroy',
      :id         => "#{random_id_for_routing}"
    )
  end

  it "should route to new action" do
    {:get => "/#{controller_name}/new"}.should route_to(
      :controller => controller_name,
      :action     => 'new'
    )
  end

  it "should route to edit action" do
    {:get => "/#{controller_name}/#{random_id_for_routing}/edit"}.should route_to(
      :controller => controller_name,
      :action     => 'edit',
      :id         => "#{random_id_for_routing}"
    )
  end

  it "should route to create action" do
    {:post => "/#{controller_name}"}.should route_to(
      :controller => controller_name,
      :action     => 'create'
    )
  end

  it "should route to update action" do
    {:put => "/#{controller_name}/#{random_id_for_routing}"}.should route_to(
      :controller => controller_name,
      :action     => 'update',
      :id         => "#{random_id_for_routing}"
    )
  end

end