has_many :through conditions are sanitized by the associating class. Closes #5971.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4893 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* has_many :through conditions are sanitized by the associating class.  #5971 [martin.emde@gmail.com]
+
 * Tighten rescue clauses.  #5985 [james@grayproductions.net]
 
 * Fix spurious newlines and spaces in AR::Base#to_xml output [Jamis Buck]

activerecord/lib/active_record/associations/association_proxy.rb

@@ -41,7 +41,7 @@ def aliased_table_name
       end
       
       def conditions
-        @conditions ||= eval("%(#{@reflection.active_record.send :sanitize_sql, @reflection.options[:conditions]})") if @reflection.options[:conditions]
+        @conditions ||= eval("%(#{@reflection.klass.send :sanitize_sql, @reflection.options[:conditions]})") if @reflection.options[:conditions]
       end
       alias :sql_conditions :conditions
       

activerecord/lib/active_record/associations/has_many_through_association.rb

@@ -207,8 +207,8 @@ def construct_sql
 
         def conditions
           @conditions ||= [
-            (interpolate_sql(@reflection.active_record.send(:sanitize_sql, @reflection.options[:conditions])) if @reflection.options[:conditions]),
-            (interpolate_sql(@reflection.active_record.send(:sanitize_sql, @reflection.through_reflection.options[:conditions])) if @reflection.through_reflection.options[:conditions])
+            (interpolate_sql(@reflection.klass.send(:sanitize_sql, @reflection.options[:conditions])) if @reflection.options[:conditions]),
+            (interpolate_sql(@reflection.through_reflection.klass.send(:sanitize_sql, @reflection.through_reflection.options[:conditions])) if @reflection.through_reflection.options[:conditions])
           ].compact.collect { |condition| "(#{condition})" }.join(' AND ') unless (!@reflection.options[:conditions] && !@reflection.through_reflection.options[:conditions])
         end
 

activerecord/test/associations_join_model_test.rb

@@ -246,6 +246,10 @@ def test_has_many_find_all
   def test_has_many_find_first
     assert_equal categories(:general), authors(:david).categories.find(:first)
   end
+
+  def test_has_many_with_hash_conditions
+    assert_equal categories(:general), authors(:david).categories_like_general.find(:first)
+  end
   
   def test_has_many_find_conditions
     assert_equal categories(:general), authors(:david).categories.find(:first, :conditions => "categories.name = 'General'")

activerecord/test/associations_test.rb

@@ -410,6 +410,10 @@ def test_finding_with_condition
     assert_equal "Microsoft", Firm.find(:first).clients_like_ms.first.name
   end
 
+  def test_finding_with_condition_hash
+    assert_equal "Microsoft", Firm.find(:first).clients_like_ms_with_hash_conditions.first.name
+  end
+
   def test_finding_using_sql
     firm = Firm.find(:first)
     first_client = firm.clients_using_sql.first
@@ -1546,8 +1550,10 @@ def test_rich_association
   def test_associations_with_conditions
     assert_equal 3, projects(:active_record).developers.size
     assert_equal 1, projects(:active_record).developers_named_david.size
+    assert_equal 1, projects(:active_record).developers_named_david_with_hash_conditions.size
 
     assert_equal developers(:david), projects(:active_record).developers_named_david.find(developers(:david).id)
+    assert_equal developers(:david), projects(:active_record).developers_named_david_with_hash_conditions.find(developers(:david).id)
     assert_equal developers(:david), projects(:active_record).salaried_developers.find(developers(:david).id)
 
     projects(:active_record).developers_named_david.clear

activerecord/test/fixtures/author.rb

@@ -37,6 +37,8 @@ def testing_proxy_target
   has_many :categorizations
   has_many :categories, :through => :categorizations
 
+  has_many :categories_like_general, :through => :categorizations, :source => :category, :class_name => 'Category', :conditions => { :name => 'General' }
+
   has_many :categorized_posts, :through => :categorizations, :source => :post
   has_many :unique_categorized_posts, :through => :categorizations, :source => :post, :uniq => true
 

activerecord/test/fixtures/project.rb

@@ -3,6 +3,7 @@ class Project < ActiveRecord::Base
   has_and_belongs_to_many :non_unique_developers, :order => 'developers.name desc, developers.id desc', :class_name => 'Developer'
   has_and_belongs_to_many :limited_developers, :class_name => "Developer", :limit => 1
   has_and_belongs_to_many :developers_named_david, :class_name => "Developer", :conditions => "name = 'David'", :uniq => true
+  has_and_belongs_to_many :developers_named_david_with_hash_conditions, :class_name => "Developer", :conditions => { :name => 'David' }, :uniq => true
   has_and_belongs_to_many :salaried_developers, :class_name => "Developer", :conditions => "salary > 0"
   has_and_belongs_to_many :developers_with_finder_sql, :class_name => "Developer", :finder_sql => 'SELECT t.*, j.* FROM developers_projects j, developers t WHERE t.id = j.developer_id AND j.project_id = #{id}'
   has_and_belongs_to_many :developers_by_sql, :class_name => "Developer", :delete_sql => "DELETE FROM developers_projects WHERE project_id = \#{id} AND developer_id = \#{record.id}"

activerecord/test/reflection_test.rb

@@ -143,8 +143,8 @@ def test_association_reflection_in_modules
   end
   
   def test_reflection_of_all_associations
-    assert_equal 14, Firm.reflect_on_all_associations.size
-    assert_equal 12, Firm.reflect_on_all_associations(:has_many).size
+    assert_equal 15, Firm.reflect_on_all_associations.size
+    assert_equal 13, Firm.reflect_on_all_associations(:has_many).size
     assert_equal 2, Firm.reflect_on_all_associations(:has_one).size
     assert_equal 0, Firm.reflect_on_all_associations(:belongs_to).size
   end