Add tests to prevent regression of lazy evaluation of has_many ..., :…

…dependent => :___

[#2627 state:committed]

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -1168,4 +1168,22 @@ def test_creating_using_primary_key
     client = firm.clients_using_primary_key.create!(:name => 'test')
     assert_equal firm.name, client.firm_name
   end
+
+  def test_defining_has_many_association_with_delete_all_dependency_lazily_evaluates_target_class
+    ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
+    class_eval <<-EOF
+      class DeleteAllModel < ActiveRecord::Base
+        has_many :nonentities, :dependent => :delete_all
+      end
+    EOF
+  end
+
+  def test_defining_has_many_association_with_nullify_dependency_lazily_evaluates_target_class
+    ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
+    class_eval <<-EOF
+      class NullifyModel < ActiveRecord::Base
+        has_many :nonentities, :dependent => :nullify
+      end
+    EOF
+  end
 end