Ensure NamedScope#build/create/create!/new works as expected when named scope has hash conditions. [Daniel Guettler, Pratik Naik] [#419 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

activerecord/lib/active_record/named_scope.rb

@@ -150,7 +150,8 @@ module ActiveRecord
         if scopes.include?(method)
           scopes[method].call(self, *args)
         else
-          with_scope :find => proxy_options do
+          with_scope :find => proxy_options, :create => proxy_options[:conditions].is_a?(Hash) ?  proxy_options[:conditions] : {} do
+            method = :new if method == :build
             proxy_scope.send(method, *args, &block)
           end
         end

activerecord/test/cases/named_scope_test.rb

@@ -183,4 +183,30 @@ class NamedScopeTest < ActiveRecord::TestCase
       topics.empty?  # use loaded (no query)
     end
   end
+
+  def test_should_build_with_proxy_options
+    topic = Topic.approved.build({})
+    assert topic.approved
+  end
+
+  def test_should_build_new_with_proxy_options
+    topic = Topic.approved.new
+    assert topic.approved
+  end
+
+  def test_should_create_with_proxy_options
+    topic = Topic.approved.create({})
+    assert topic.approved
+  end
+
+  def test_should_create_with_bang_with_proxy_options
+    topic = Topic.approved.create!({})
+    assert topic.approved
+  end
+  
+  def test_should_build_with_proxy_options_chained
+    topic = Topic.approved.by_lifo.build({})
+    assert topic.approved
+    assert_equal 'lifo', topic.author_name
+  end
 end

activerecord/test/models/topic.rb

@@ -4,6 +4,8 @@ class Topic < ActiveRecord::Base
     { :conditions => ['written_on < ?', time] }
   }
   named_scope :approved, :conditions => {:approved => true}
+  named_scope :by_lifo, :conditions => {:author_name => 'lifo'}
+  
   named_scope :approved_as_hash_condition, :conditions => {:topics => {:approved => true}}
   named_scope 'approved_as_string', :conditions => {:approved => true}
   named_scope :replied, :conditions => ['replies_count > 0']