rails--rails/actionpack/test/dispatch/prefix_generation_test.rb

require 'abstract_unit'

module TestGenerationPrefix
  class WithMountedEngine < ActionDispatch::IntegrationTest
    require 'rack/test'
    include Rack::Test::Methods

    class BlogEngine
      def self.routes
        @routes ||= begin
          routes = ActionDispatch::Routing::RouteSet.new
          routes.draw do
            match "/posts/:id", :to => "inside_engine_generating#index", :as => :post
            match "/url_to_application", :to => "inside_engine_generating#url_to_application"
          end

          routes
        end
      end

      def self.call(env)
        env['action_dispatch.routes'] = routes
        routes.call(env)
      end
    end

    class RailsApplication
      def self.routes
        @routes ||= begin
          routes = ActionDispatch::Routing::RouteSet.new
          routes.draw do
            scope "/:omg", :omg => "awesome" do
              mount BlogEngine => "/blog"
            end
            match "/generate", :to => "outside_engine_generating#index"
            root :to => "outside_engine_generating#index"
          end

          routes
        end
      end

      def self.call(env)
        env['action_dispatch.routes'] = routes
        routes.call(env)
      end
    end

    class ::InsideEngineGeneratingController < ActionController::Base
      include BlogEngine.routes.url_helpers
      def index
        render :text => post_path(:id => params[:id])
      end

      def url_to_application
        path = url_for( :routes => RailsApplication.routes,
                        :controller => "outside_engine_generating", 
                        :action => "index",
                        :only_path => true)
        render :text => path
      end
    end

    class ::OutsideEngineGeneratingController < ActionController::Base
      include BlogEngine.routes.url_helpers
      def index
        render :text => post_path(:id => 1)
      end
    end

    class Foo
      include ActionDispatch::Routing::UrlFor
      include BlogEngine.routes.url_helpers

      def foo
        post_path(42)
      end
    end

    class Bar
      include ActionDispatch::Routing::UrlFor
      include RailsApplication.routes.url_helpers

      def bar
        root_path
      end
    end

    RailsApplication.routes # force draw
    include BlogEngine.routes.url_helpers

    def app
      RailsApplication
    end

    def setup
      RailsApplication.routes.default_url_options = {}
    end

    test "generating URL with prefix" do
      assert_equal "/awesome/blog/posts/1", post_path(:id => 1)
    end

    test "use SCRIPT_NAME inside the engine" do
      get "/pure-awesomness/blog/posts/1"
      assert_equal "/pure-awesomness/blog/posts/1", last_response.body
    end

    test "prepend prefix outside the engine" do
      get "/generate"
      assert_equal "/awesome/blog/posts/1", last_response.body
    end

    test "prepend prefix outside the engine and use default_url_options[:script_name]" do
      RailsApplication.routes.default_url_options = {:script_name => "/something"}
      get "/generate"
      assert_equal "/something/awesome/blog/posts/1", last_response.body
    end

    test "give higher priority to default_url_options[:script_name]" do
      RailsApplication.routes.default_url_options = {:script_name => "/something"}
      get "/generate", {}, 'SCRIPT_NAME' => "/foo"
      assert_equal "/something/awesome/blog/posts/1", last_response.body
    end

    test "generating urls with options for prefix and named_route" do
      assert_equal "/pure-awesomness/blog/posts/3", post_path(:id => 3, :omg => "pure-awesomness")
    end

    test "generating urls with url_for should prepend the prefix" do
      path = BlogEngine.routes.url_for(:omg => 'omg', :controller => "inside_engine_generating", :action => "index", :id => 1, :only_path => true)
      assert_equal "/omg/blog/posts/1", path
    end

    test "generating urls from a regular class" do
      assert_equal "/awesome/blog/posts/42", Foo.new.foo
    end

    test "generating application's url from engine" do
      get "/pure-awesomness/blog/url_to_application"
      assert_equal "/generate", last_response.body
    end

    test "generating application's url from engine with default_url_options[:script_name]" do
      RailsApplication.routes.default_url_options = {:script_name => "/something"}
      get "/pure-awesomness/blog/url_to_application"
      assert_equal "/something/generate", last_response.body
    end

    test "generating application's url from engine should give higher priority to default_url_options[:script_name]" do
      RailsApplication.routes.default_url_options = {:script_name => "/something"}
      get "/pure-awesomness/blog/url_to_application", {}, 'SCRIPT_NAME' => '/foo'
      assert_equal "/something/generate", last_response.body
    end

    test "using default_url_options[:script_name] in regular classes" do
      RailsApplication.routes.default_url_options = {:script_name => "/something"}
      assert_equal "/something/", Bar.new.bar
    end
  end
end