From 2bd4ff11f83a44d3364e3e5ceaa17d1a10320687 Mon Sep 17 00:00:00 2001
From: Nicholas Seckar <nseckar@gmail.com>
Date: Thu, 14 Jul 2005 00:13:06 +0000
Subject: Generate URLs for :action => index when :action => nil is supplied.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1826 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/lib/action_controller/routing.rb | 17 +++++++++---
 actionpack/test/controller/routing_test.rb  | 42 ++++++++++++++++++++++++++---
 2 files changed, 51 insertions(+), 8 deletions(-)

diff --git a/actionpack/lib/action_controller/routing.rb b/actionpack/lib/action_controller/routing.rb
index 008e6d2164..f7d3fe3369 100644
--- a/actionpack/lib/action_controller/routing.rb
+++ b/actionpack/lib/action_controller/routing.rb
@@ -26,15 +26,19 @@ module ActionController
         end
         hash
       end
-    end
-
-    class << self
+      
       def test_condition(expression, condition)
         case condition
           when String then "(#{expression} == #{condition.inspect})"
           when Regexp then
             condition = Regexp.new("^#{condition.source}$") unless /^\^.*\$$/ =~ condition.source 
             "(#{condition.inspect} =~ #{expression})"
+          when Array then
+            conds = condition.collect do |condition|
+              cond = test_condition(expression, condition)
+              (cond[0, 1] == '(' && cond[-1, 1] == ')') ? cond : "(#{cond})"
+            end
+            "(#{conds.join(' || ')})"
           when true then expression
           when nil then "! #{expression}"
           else
@@ -272,6 +276,7 @@ module ActionController
         defaults, conditions = initialize_hashes options.dup
         @defaults = defaults.dup
         configure_components(defaults, conditions)
+        add_default_requirements
         initialize_keys
       end
   
@@ -324,7 +329,6 @@ module ActionController
       end
   
       protected
-  
         def initialize_components(path)
           path = path.split('/') if path.is_a? String
           path.shift if path.first.blank?
@@ -356,6 +360,11 @@ module ActionController
             component.condition = conditions[component.key] if conditions.key?(component.key)
           end
         end
+        
+        def add_default_requirements
+          component_keys = components.collect {|c| c.key}
+          known[:action] ||= [nil, 'index'] unless component_keys.include? :action
+        end
     end
 
     class RouteSet #:nodoc:
diff --git a/actionpack/test/controller/routing_test.rb b/actionpack/test/controller/routing_test.rb
index 946dba6c06..1d7613b2ac 100644
--- a/actionpack/test/controller/routing_test.rb
+++ b/actionpack/test/controller/routing_test.rb
@@ -504,16 +504,19 @@ class RouteTests < Test::Unit::TestCase
   end
   
   def test_static
-    route 'hello/world', :known => 'known_value'
+    route 'hello/world', :known => 'known_value', :controller => 'content', :action => 'index'
     
     assert_nil rec('hello/turn')
     assert_nil rec('turn/world')
-    assert_equal({:known => 'known_value'}, rec('hello/world'))
+    assert_equal(
+      {:known => 'known_value', :controller => ::Controllers::ContentController, :action => 'index'},
+      rec('hello/world')
+    )
     
     assert_nil gen(:known => 'foo')
     assert_nil gen({})
-    assert_equal '/hello/world', gen(:known => 'known_value')
-    assert_equal '/hello/world', gen(:known => 'known_value', :extra => 'hi')
+    assert_equal '/hello/world', gen(:known => 'known_value', :controller => 'content', :action => 'index')
+    assert_equal '/hello/world', gen(:known => 'known_value', :extra => 'hi', :controller => 'content', :action => 'index')
     assert_equal [:extra], route.extra_keys(:known => 'known_value', :extra => 'hi')
   end
   
@@ -800,8 +803,39 @@ class RouteSetTests < Test::Unit::TestCase
     assert_equal({:controller => '/post', :action => 'show'},
                  x.new.send(:blog_url))
   end
+  
+  def test_set_to_nil_forgets
+    rs.draw do
+      rs.connect 'pages/:year/:month/:day', :controller => 'content', :action => 'list_pages', :month => nil, :day => nil
+      rs.connect ':controller/:action/:id'
+    end
+    
+    assert_equal ['/pages/2005', {}],
+      rs.generate(:controller => 'content', :action => 'list_pages', :year => 2005)
+    assert_equal ['/pages/2005/6', {}],
+      rs.generate(:controller => 'content', :action => 'list_pages', :year => 2005, :month => 6)
+    assert_equal ['/pages/2005/6/12', {}],
+      rs.generate(:controller => 'content', :action => 'list_pages', :year => 2005, :month => 6, :day => 12)
+    
+    assert_equal ['/pages/2005/6/4', {}],
+      rs.generate({:day => 4}, {:controller => 'content', :action => 'list_pages', :year => '2005', :month => '6', :day => '12'})
 
+    assert_equal ['/pages/2005/6', {}],
+      rs.generate({:day => nil}, {:controller => 'content', :action => 'list_pages', :year => '2005', :month => '6', :day => '12'})
 
+    assert_equal ['/pages/2005', {}],
+      rs.generate({:day => nil, :month => nil}, {:controller => 'content', :action => 'list_pages', :year => '2005', :month => '6', :day => '12'})
+  end
+  
+  def test_url_with_no_action_specified
+    rs.draw do
+      rs.connect '', :controller => 'content'
+      rs.connect ':controller/:action/:id'
+    end
+    
+    assert_equal ['/', {}], rs.generate(:controller => 'content', :action => 'index')
+    assert_equal ['/', {}], rs.generate(:controller => 'content')
+  end
 end
 
 end
-- 
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