test/paperclip_test.rb in thoughtbot-paperclip-2.2.1 vs test/paperclip_test.rb in thoughtbot-paperclip-2.2.2

@@ -175,9 +175,24 @@
       context "with #{validation} validation and #{options.inspect} options" do
         setup do
           Dummy.send(:"validates_attachment_#{validation}", :avatar, options)
           @dummy = Dummy.new
         end
+        context "and assigning nil" do
+          setup do
+            @dummy.avatar = nil
+            @dummy.valid?
+          end
+          if validation == :presence
+            should "have an error on the attachment" do
+              assert @dummy.errors.on(:avatar)
+            end
+          else
+            should "not have an error on the attachment" do
+              assert_nil @dummy.errors.on(:avatar)
+            end
+          end
+        end
         context "and assigned a valid file" do
           setup do
             @dummy.avatar = valid_file
             @dummy.valid?
           end