diff options
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 15 | ||||
| -rw-r--r-- | actionpack/test/dispatch/mapper_test.rb | 14 |
2 files changed, 22 insertions, 7 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 7c0404ca62..e676c837b4 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -600,17 +600,20 @@ module ActionDispatch def mount(app, options = nil) if options path = options.delete(:at) - else - unless Hash === app - raise ArgumentError, "must be called with mount point" - end - + elsif Hash === app options = app app, path = options.find { |k, _| k.respond_to?(:call) } options.delete(app) if app end - raise "A rack application must be specified" unless path + raise ArgumentError, "A rack application must be specified" unless app.respond_to?(:call) + raise ArgumentError, <<-MSG.strip_heredoc unless path + Must be called with mount point + + mount SomeRackApp, at: "some_route" + or + mount(SomeRackApp => "some_route") + MSG rails_app = rails_app? app options[:as] ||= app_name(app, rails_app) diff --git a/actionpack/test/dispatch/mapper_test.rb b/actionpack/test/dispatch/mapper_test.rb index e783df855e..df27e41997 100644 --- a/actionpack/test/dispatch/mapper_test.rb +++ b/actionpack/test/dispatch/mapper_test.rb @@ -158,7 +158,7 @@ module ActionDispatch assert_equal '/*path.:format', fakeset.asts.first.to_s end - def test_raising_helpful_error_on_invalid_arguments + def test_raising_error_when_path_is_not_passed fakeset = FakeSet.new mapper = Mapper.new fakeset app = lambda { |env| [200, {}, [""]] } @@ -166,6 +166,18 @@ module ActionDispatch mapper.mount app end end + + def test_raising_error_when_rack_app_is_not_passed + fakeset = FakeSet.new + mapper = Mapper.new fakeset + assert_raises ArgumentError do + mapper.mount 10, as: "exciting" + end + + assert_raises ArgumentError do + mapper.mount as: "exciting" + end + end end end end |