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-rw-r--r--actionpack/CHANGELOG.md6
-rw-r--r--actionpack/lib/action_dispatch/routing/route_set.rb18
-rw-r--r--actionpack/test/dispatch/routing/route_set_test.rb86
3 files changed, 104 insertions, 6 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index ea82263c1a..a681a2dc79 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,11 @@
## Rails 3.2.10 (unreleased) ##
+* Clear url helper methods when routes are reloaded by removing the methods
+ explicitly rather than just clearing the module because it didn't work
+ properly and could be the source of a memory leak.
+
+ *Andrew White*
+
* Fix a bug in ActionDispatch::Request#raw_post that caused env['rack.input']
to be read but not rewound.
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 8168bd4fcc..a993699e05 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -94,7 +94,12 @@ module ActionDispatch
attr_reader :routes, :helpers, :module
def initialize
- clear!
+ @routes = {}
+ @helpers = []
+
+ @module = Module.new do
+ instance_methods.each { |selector| remove_method(selector) }
+ end
end
def helper_names
@@ -102,12 +107,14 @@ module ActionDispatch
end
def clear!
+ @helpers.each do |helper|
+ @module.module_eval do
+ remove_possible_method helper
+ end
+ end
+
@routes = {}
@helpers = []
-
- @module ||= Module.new do
- instance_methods.each { |selector| remove_method(selector) }
- end
end
def add(name, route)
@@ -291,7 +298,6 @@ module ActionDispatch
def clear!
@finalized = false
- @url_helpers = nil
named_routes.clear
set.clear
formatter.clear
diff --git a/actionpack/test/dispatch/routing/route_set_test.rb b/actionpack/test/dispatch/routing/route_set_test.rb
new file mode 100644
index 0000000000..d57b1a5637
--- /dev/null
+++ b/actionpack/test/dispatch/routing/route_set_test.rb
@@ -0,0 +1,86 @@
+require 'abstract_unit'
+
+module ActionDispatch
+ module Routing
+ class RouteSetTest < ActiveSupport::TestCase
+ class SimpleApp
+ def initialize(response)
+ @response = response
+ end
+
+ def call(env)
+ [ 200, { 'Content-Type' => 'text/plain' }, [response] ]
+ end
+ end
+
+ setup do
+ @set = RouteSet.new
+ end
+
+ test "url helpers are added when route is added" do
+ draw do
+ get 'foo', to: SimpleApp.new('foo#index')
+ end
+
+ assert_equal '/foo', url_helpers.foo_path
+ assert_raises NoMethodError do
+ assert_equal '/bar', url_helpers.bar_path
+ end
+
+ draw do
+ get 'foo', to: SimpleApp.new('foo#index')
+ get 'bar', to: SimpleApp.new('bar#index')
+ end
+
+ assert_equal '/foo', url_helpers.foo_path
+ assert_equal '/bar', url_helpers.bar_path
+ end
+
+ test "url helpers are updated when route is updated" do
+ draw do
+ get 'bar', to: SimpleApp.new('bar#index'), as: :bar
+ end
+
+ assert_equal '/bar', url_helpers.bar_path
+
+ draw do
+ get 'baz', to: SimpleApp.new('baz#index'), as: :bar
+ end
+
+ assert_equal '/baz', url_helpers.bar_path
+ end
+
+ test "url helpers are removed when route is removed" do
+ draw do
+ get 'foo', to: SimpleApp.new('foo#index')
+ get 'bar', to: SimpleApp.new('bar#index')
+ end
+
+ assert_equal '/foo', url_helpers.foo_path
+ assert_equal '/bar', url_helpers.bar_path
+
+ draw do
+ get 'foo', to: SimpleApp.new('foo#index')
+ end
+
+ assert_equal '/foo', url_helpers.foo_path
+ assert_raises NoMethodError do
+ assert_equal '/bar', url_helpers.bar_path
+ end
+ end
+
+ private
+ def clear!
+ @set.clear!
+ end
+
+ def draw(&block)
+ @set.draw(&block)
+ end
+
+ def url_helpers
+ @set.url_helpers
+ end
+ end
+ end
+end