Fix configure_dependency_for_has_many not quoting conditions properly [#1461 state:resolved]

activerecord/lib/active_record/associations.rb

@@ -1453,7 +1453,7 @@ def configure_dependency_for_has_many(reflection, extra_conditions = nil)
             dependent_conditions << sanitize_sql(reflection.options[:conditions]) if reflection.options[:conditions]
             dependent_conditions << extra_conditions if extra_conditions
             dependent_conditions = dependent_conditions.collect {|where| "(#{where})" }.join(" AND ")
-
+            dependent_conditions = dependent_conditions.gsub('@', '\@')
             case reflection.options[:dependent]
               when :destroy
                 method_name = "has_many_dependent_destroy_for_#{reflection.name}".to_sym
@@ -1467,7 +1467,7 @@ def configure_dependency_for_has_many(reflection, extra_conditions = nil)
                     delete_all_has_many_dependencies(record,
                       "#{reflection.name}",
                       #{reflection.class_name},
-                      "#{dependent_conditions}")
+                      %@#{dependent_conditions}@)
                   end
                 }
               when :nullify
@@ -1477,7 +1477,7 @@ def configure_dependency_for_has_many(reflection, extra_conditions = nil)
                       "#{reflection.name}",
                       #{reflection.class_name},
                       "#{reflection.primary_key_name}",
-                      "#{dependent_conditions}")
+                      %@#{dependent_conditions}@)
                   end
                 }
               else

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -665,6 +665,19 @@ def test_dependent_association_respects_optional_sanitized_conditions_on_delete
     assert_equal 1, Client.find_all_by_client_of(firm.id).size
   end
 
+  def test_dependent_association_respects_optional_hash_conditions_on_delete
+    firm = companies(:odegy)
+    Client.create(:client_of => firm.id, :name => "BigShot Inc.")
+    Client.create(:client_of => firm.id, :name => "SmallTime Inc.")
+    # only one of two clients is included in the association due to the :conditions key
+    assert_equal 2, Client.find_all_by_client_of(firm.id).size
+    assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size
+    firm.destroy
+    # only the correctly associated client should have been deleted
+    assert_equal 1, Client.find_all_by_client_of(firm.id).size
+  end
+
+
   def test_creation_respects_hash_condition
     ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.build
 

activerecord/test/models/company.rb

@@ -80,6 +80,7 @@ class ExclusivelyDependentFirm < Company
   has_one :account, :foreign_key => "firm_id", :dependent => :delete
   has_many :dependent_sanitized_conditional_clients_of_firm, :foreign_key => "client_of", :class_name => "Client", :order => "id", :dependent => :delete_all, :conditions => "name = 'BigShot Inc.'"
   has_many :dependent_conditional_clients_of_firm, :foreign_key => "client_of", :class_name => "Client", :order => "id", :dependent => :delete_all, :conditions => ["name = ?", 'BigShot Inc.']
+  has_many :dependent_hash_conditional_clients_of_firm, :foreign_key => "client_of", :class_name => "Client", :order => "id", :dependent => :delete_all, :conditions => {:name => 'BigShot Inc.'}
 end
 
 class Client < Company