Add "rails routes --expanded" mode

actionpack/lib/action_dispatch/routing.rb

@@ -243,7 +243,8 @@ module ActionDispatch
   #
   #   rails routes
   #
-  # Target specific controllers by prefixing the command with <tt>-c</tt> option.
+  # Target specific controllers by prefixing the command with <tt>-c</tt> option. Use
+  # <tt>--expanded</tt> to turn on the expanded table formatting mode.
   #
   module Routing
     extend ActiveSupport::Autoload

actionpack/lib/action_dispatch/routing/inspector.rb

@@ -126,61 +126,114 @@ def collect_engine_routes(route)
     end
 
     class ConsoleFormatter
-      def initialize
-        @buffer = []
-      end
+      class Sheet
+        def initialize
+          @buffer = []
+        end
 
-      def result
-        @buffer.join("\n")
-      end
+        def result
+          @buffer.join("\n")
+        end
 
-      def section_title(title)
-        @buffer << "\n#{title}:"
-      end
+        def section_title(title)
+          @buffer << "\n#{title}:"
+        end
 
-      def section(routes)
-        @buffer << draw_section(routes)
-      end
+        def section(routes)
+          @buffer << draw_section(routes)
+        end
 
-      def header(routes)
-        @buffer << draw_header(routes)
-      end
+        def header(routes)
+          @buffer << draw_header(routes)
+        end
 
-      def no_routes(routes)
-        @buffer <<
-        if routes.none?
-          <<~MESSAGE
+        def no_routes(routes)
+          @buffer <<
+          if routes.none?
+            <<~MESSAGE
             You don't have any routes defined!
 
             Please add some routes in config/routes.rb.
-          MESSAGE
-        else
-          "No routes were found for this controller"
+            MESSAGE
+          else
+            "No routes were found for this controller"
+          end
+          @buffer << "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html."
         end
-        @buffer << "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html."
-      end
 
-      private
-        def draw_section(routes)
-          header_lengths = ["Prefix", "Verb", "URI Pattern"].map(&:length)
-          name_width, verb_width, path_width = widths(routes).zip(header_lengths).map(&:max)
+        private
+
+          def draw_section(routes)
+            header_lengths = ["Prefix", "Verb", "URI Pattern"].map(&:length)
+            name_width, verb_width, path_width = widths(routes).zip(header_lengths).map(&:max)
 
-          routes.map do |r|
-            "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"
+            routes.map do |r|
+              "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"
+            end
+          end
+
+          def draw_header(routes)
+            name_width, verb_width, path_width = widths(routes)
+
+            "#{"Prefix".rjust(name_width)} #{"Verb".ljust(verb_width)} #{"URI Pattern".ljust(path_width)} Controller#Action"
+          end
+
+          def widths(routes)
+            [routes.map { |r| r[:name].length }.max || 0,
+             routes.map { |r| r[:verb].length }.max || 0,
+             routes.map { |r| r[:path].length }.max || 0]
           end
+      end
+
+      class Expanded < ConsoleFormatter
+        def initialize
+          @buffer = []
         end
 
-        def draw_header(routes)
-          name_width, verb_width, path_width = widths(routes)
+        def result
+          @buffer.join("")
+        end
+
+        def section_title(title)
+          @buffer << "\n#{"[ #{title} ]"}\n"
+        end
 
-          "#{"Prefix".rjust(name_width)} #{"Verb".ljust(verb_width)} #{"URI Pattern".ljust(path_width)} Controller#Action"
+        def section(routes)
+          @buffer << draw_expanded_section(routes)
         end
 
-        def widths(routes)
-          [routes.map { |r| r[:name].length }.max || 0,
-           routes.map { |r| r[:verb].length }.max || 0,
-           routes.map { |r| r[:path].length }.max || 0]
+        def header(routes)
+          @buffer
         end
+
+        def no_routes(routes)
+          @buffer <<
+          if routes.none?
+            <<~MESSAGE
+            You don't have any routes defined!
+
+            Please add some routes in config/routes.rb.\n
+            MESSAGE
+          else
+            "No routes were found for this controller\n"
+          end
+          @buffer << "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html."
+        end
+
+        private
+
+          def draw_expanded_section(routes)
+            routes.map.each_with_index do |r, i|
+              <<~MESSAGE
+              --[ Route #{i + 1} ]#{'-' * 60}
+              Prefix            | #{r[:name]}
+              Verb              | #{r[:verb]}
+              URI               | #{r[:path]}
+              Controller#Action | #{r[:reqs]}
+              MESSAGE
+            end
+          end
+      end
     end
 
     class HtmlTableFormatter

actionpack/test/dispatch/routing/inspector_test.rb

@@ -19,10 +19,10 @@ def setup
         @set = ActionDispatch::Routing::RouteSet.new
       end
 
-      def draw(options = nil, &block)
+      def draw(options = nil, formater = ActionDispatch::Routing::ConsoleFormatter::Sheet.new, &block)
         @set.draw(&block)
         inspector = ActionDispatch::Routing::RoutesInspector.new(@set.routes)
-        inspector.format(ActionDispatch::Routing::ConsoleFormatter.new, options).split("\n")
+        inspector.format(formater, options).split("\n")
       end
 
       def test_displaying_routes_for_engines
@@ -321,6 +321,70 @@ def test_routes_can_be_filtered
                       "          DELETE /posts/:id(.:format)      posts#destroy"], output
       end
 
+      def test_routes_when_expanded
+        engine = Class.new(Rails::Engine) do
+          def self.inspect
+            "Blog::Engine"
+          end
+        end
+        engine.routes.draw do
+          get "/cart", to: "cart#show"
+        end
+
+        output = draw(nil, ActionDispatch::Routing::ConsoleFormatter::Expanded.new) do
+          get "/custom/assets", to: "custom_assets#show"
+          get "/custom/furnitures", to: "custom_furnitures#show"
+          mount engine => "/blog", :as => "blog"
+        end
+
+        assert_equal ["--[ Route 1 ]------------------------------------------------------------",
+                      "Prefix            | custom_assets",
+                      "Verb              | GET",
+                      "URI               | /custom/assets(.:format)",
+                      "Controller#Action | custom_assets#show",
+                      "--[ Route 2 ]------------------------------------------------------------",
+                      "Prefix            | custom_furnitures",
+                      "Verb              | GET",
+                      "URI               | /custom/furnitures(.:format)",
+                      "Controller#Action | custom_furnitures#show",
+                      "--[ Route 3 ]------------------------------------------------------------",
+                      "Prefix            | blog",
+                      "Verb              | ",
+                      "URI               | /blog",
+                      "Controller#Action | Blog::Engine",
+                      "",
+                      "[ Routes for Blog::Engine ]",
+                      "--[ Route 1 ]------------------------------------------------------------",
+                      "Prefix            | cart",
+                      "Verb              | GET",
+                      "URI               | /cart(.:format)",
+                      "Controller#Action | cart#show"], output
+      end
+
+
+      def test_no_routes_matched_filter_when_expanded
+        output = draw("rails/dummy", ActionDispatch::Routing::ConsoleFormatter::Expanded.new) do
+          get "photos/:id" => "photos#show", :id => /[A-Z]\d{5}/
+        end
+
+        assert_equal [
+          "No routes were found for this controller",
+          "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html."
+        ], output
+      end
+
+      def test_not_routes_when_expanded
+        output = draw("rails/dummy", ActionDispatch::Routing::ConsoleFormatter::Expanded.new) {}
+
+        assert_equal [
+          "You don't have any routes defined!",
+          "",
+          "Please add some routes in config/routes.rb.",
+          "",
+          "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html."
+        ], output
+      end
+
       def test_routes_can_be_filtered_with_namespaced_controllers
         output = draw("admin/posts") do
           resources :articles

guides/source/routing.md

@@ -1183,7 +1183,7 @@ $ bin/rails routes -c Comments
 $ bin/rails routes -c Articles::CommentsController
 ```
 
-TIP: You'll find that the output from `rails routes` is much more readable if you widen your terminal window until the output lines don't wrap.
+TIP: You'll find that the output from `rails routes` is much more readable if you widen your terminal window until the output lines don't wrap. You can also use --expanded option to turn on the expanded table formatting mode.
 
 ### Testing Routes
 

railties/CHANGELOG.md

@@ -1,5 +1,24 @@
 ## Rails 6.0.0.alpha (Unreleased) ##
 
+*   Add "rails routes --expanded" option to output routes in expanded mode like
+    "psql --expanded". Result looks like:
+
+    ```
+    $ rails routes --expanded
+    --[ Route 1 ]------------------------------------------------------------
+    Prefix            | high_scores
+    Verb              | GET
+    URI               | /high_scores(.:format)
+    Controller#Action | high_scores#index
+    --[ Route 2 ]------------------------------------------------------------
+    Prefix            | new_high_score
+    Verb              | GET
+    URI               | /high_scores/new(.:format)
+    Controller#Action | high_scores#new
+    ```
+
+    *Benoit Tigeot*
+
 *   Rails 6 requires Ruby 2.4.1 or newer.
 
     *Jeremy Daer*

railties/lib/rails/commands/routes/routes_command.rb

@@ -7,12 +7,14 @@ module Command
     class RoutesCommand < Base # :nodoc:
       class_option :controller, aliases: "-c", type: :string, desc: "Specifies the controller."
       class_option :grep_pattern, aliases: "-g", type: :string, desc: "Specifies grep pattern."
+      class_option :expanded_format, aliases: "--expanded", type: :string, desc: "Turn on expanded format mode."
 
       no_commands do
         def help
           say "Usage: Print out all defined routes in match order, with names."
           say ""
           say "Target specific controller with -c option, or grep routes using -g option"
+          say "Use expanded format with --expanded option"
           say ""
         end
       end
@@ -24,7 +26,11 @@ def perform(*)
         all_routes = Rails.application.routes.routes
         inspector = ActionDispatch::Routing::RoutesInspector.new(all_routes)
 
-        say inspector.format(ActionDispatch::Routing::ConsoleFormatter.new, routes_filter)
+        if options.has_key?("expanded_format")
+          say inspector.format(ActionDispatch::Routing::ConsoleFormatter::Expanded.new, routes_filter)
+        else
+          say inspector.format(ActionDispatch::Routing::ConsoleFormatter::Sheet.new, routes_filter)
+        end
       end
 
       private

railties/test/application/rake_test.rb

@@ -122,46 +122,6 @@ def test_code_statistics_sanity
         rails("stats")
     end
 
-    def test_rails_routes_calls_the_route_inspector
-      app_file "config/routes.rb", <<-RUBY
-        Rails.application.routes.draw do
-          get '/cart', to: 'cart#show'
-        end
-      RUBY
-
-      output = rails("routes")
-      assert_equal <<~MESSAGE, output
-                              Prefix Verb URI Pattern                                                                       Controller#Action
-                                cart GET  /cart(.:format)                                                                   cart#show
-                  rails_service_blob GET  /rails/active_storage/blobs/:signed_id/*filename(.:format)                        active_storage/blobs#show
-                rails_blob_variation GET  /rails/active_storage/variants/:signed_blob_id/:variation_key/*filename(.:format) active_storage/variants#show
-                  rails_blob_preview GET  /rails/active_storage/previews/:signed_blob_id/:variation_key/*filename(.:format) active_storage/previews#show
-                  rails_disk_service GET  /rails/active_storage/disk/:encoded_key/*filename(.:format)                       active_storage/disk#show
-           update_rails_disk_service PUT  /rails/active_storage/disk/:encoded_token(.:format)                               active_storage/disk#update
-                rails_direct_uploads POST /rails/active_storage/direct_uploads(.:format)                                    active_storage/direct_uploads#create
-      MESSAGE
-    end
-
-    def test_singular_resource_output_in_rake_routes
-      app_file "config/routes.rb", <<-RUBY
-        Rails.application.routes.draw do
-          resource :post
-        end
-      RUBY
-
-      expected_output = ["   Prefix Verb   URI Pattern          Controller#Action",
-                         " new_post GET    /post/new(.:format)  posts#new",
-                         "edit_post GET    /post/edit(.:format) posts#edit",
-                         "     post GET    /post(.:format)      posts#show",
-                         "          PATCH  /post(.:format)      posts#update",
-                         "          PUT    /post(.:format)      posts#update",
-                         "          DELETE /post(.:format)      posts#destroy",
-                         "          POST   /post(.:format)      posts#create\n"].join("\n")
-
-      output = rails("routes", "-c", "PostController")
-      assert_equal expected_output, output
-    end
-
     def test_logger_is_flushed_when_exiting_production_rake_tasks
       add_to_config <<-RUBY
         rake_tasks do