From ee395fe626760e897abd9e881b54d3cc3f407d31 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Sat, 12 Dec 2009 18:09:44 -0600
Subject: TestProcess belongs in AD

---
 .../action_dispatch/testing/assertions/routing.rb  | 40 ++++++++++++++++++++++
 .../lib/action_dispatch/testing/assertions/tag.rb  | 19 ++++++++--
 2 files changed, 56 insertions(+), 3 deletions(-)

(limited to 'actionpack/lib/action_dispatch/testing/assertions')

diff --git a/actionpack/lib/action_dispatch/testing/assertions/routing.rb b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
index 4bc5275e04..794fb888b7 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/routing.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
@@ -126,6 +126,46 @@ module ActionDispatch
         assert_generates(path.is_a?(Hash) ? path[:path] : path, options, defaults, extras, message)
       end
 
+      # A helper to make it easier to test different route configurations.
+      # This method temporarily replaces ActionController::Routing::Routes
+      # with a new RouteSet instance.
+      #
+      # The new instance is yielded to the passed block. Typically the block
+      # will create some routes using <tt>map.draw { map.connect ... }</tt>:
+      #
+      #   with_routing do |set|
+      #     set.draw do |map|
+      #       map.connect ':controller/:action/:id'
+      #         assert_equal(
+      #           ['/content/10/show', {}],
+      #           map.generate(:controller => 'content', :id => 10, :action => 'show')
+      #       end
+      #     end
+      #   end
+      #
+      def with_routing
+        real_routes = ActionController::Routing::Routes
+        ActionController::Routing.module_eval { remove_const :Routes }
+
+        temporary_routes = ActionController::Routing::RouteSet.new
+        ActionController::Routing.module_eval { const_set :Routes, temporary_routes }
+
+        yield temporary_routes
+      ensure
+        if ActionController::Routing.const_defined? :Routes
+          ActionController::Routing.module_eval { remove_const :Routes }
+        end
+        ActionController::Routing.const_set(:Routes, real_routes) if real_routes
+      end
+
+      def method_missing(selector, *args, &block)
+        if @controller && ActionController::Routing::Routes.named_routes.helpers.include?(selector)
+          @controller.send(selector, *args, &block)
+        else
+          super
+        end
+      end
+
       private
         # Recognizes the route for a given path.
         def recognized_request_for(path, request_method = nil)
diff --git a/actionpack/lib/action_dispatch/testing/assertions/tag.rb b/actionpack/lib/action_dispatch/testing/assertions/tag.rb
index ef6867576e..b74dcb1fe4 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/tag.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/tag.rb
@@ -76,10 +76,10 @@ module ActionDispatch
       #   # Assert that there is a "span" containing between 2 and 4 "em" tags
       #   # as immediate children
       #   assert_tag :tag => "span",
-      #              :children => { :count => 2..4, :only => { :tag => "em" } } 
+      #              :children => { :count => 2..4, :only => { :tag => "em" } }
       #
       #   # Get funky: assert that there is a "div", with an "ul" ancestor
-      #   # and an "li" parent (with "class" = "enum"), and containing a 
+      #   # and an "li" parent (with "class" = "enum"), and containing a
       #   # "span" descendant that contains text matching /hello world/
       #   assert_tag :tag => "div",
       #              :ancestor => { :tag => "ul" },
@@ -98,7 +98,7 @@ module ActionDispatch
         tag = find_tag(opts)
         assert tag, "expected tag, but no tag found matching #{opts.inspect} in:\n#{@response.body.inspect}"
       end
-      
+
       # Identical to +assert_tag+, but asserts that a matching tag does _not_
       # exist. (See +assert_tag+ for a full discussion of the syntax.)
       #
@@ -118,6 +118,19 @@ module ActionDispatch
         tag = find_tag(opts)
         assert !tag, "expected no tag, but found tag matching #{opts.inspect} in:\n#{@response.body.inspect}"
       end
+
+      def find_tag(conditions)
+        html_document.find(conditions)
+      end
+
+      def find_all_tag(conditions)
+        html_document.find_all(conditions)
+      end
+
+      def html_document
+        xml = @response.content_type =~ /xml$/
+        @html_document ||= HTML::Document.new(@response.body, false, xml)
+      end
     end
   end
 end
-- 
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