test/twin/twin_test.rb in disposable-0.1.13 vs test/twin/twin_test.rb in disposable-0.1.14

@@ -72,9 +72,20 @@
       # DOES NOT update model
       song.id.must_equal 1
       song.title.must_equal "Broken"
     end
 
+    describe "deleting" do
+      it "allows overwriting nested twin with nil" do
+        album = Model::Album.new(1, "Uncertain Terms", [], artist=Model::Artist.new("Greg Howe"))
+        twin = Twin::Album.new(album)
+        twin.artist.id.must_equal "Greg Howe"
+
+        twin.artist = nil
+        twin.artist.must_equal nil
+      end
+    end
+
     # setters for twin properties return the twin, not the model
     # it do
     #   result = twin.album = album
     #   result.must_equal twin.album
     # end
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