PassThroughTransform is now the default

tests/testTransform.py

@@ -233,12 +233,12 @@ def testInterface(self):
 
         # Each source should have been measured & transformed appropriately.
         for measSrc, trSrc in zip(measSrcs, trSrcs):
+            # The TrivialMeasurement should be transformed
             self.assertEqual(trSrc[PLUGIN_NAME], measSrc[PLUGIN_NAME])
             self.assertEqual(trSrc[PLUGIN_NAME + "_transform"], -1.0 * measSrc[PLUGIN_NAME])
-
-        # Data from measurements using a NullTransform should not be copied.
-        self.assertGreater(len(measSrcs.schema.extract("base_SdssCentroid*")), 0)
-        self.assertEqual(len(trSrcs.schema.extract("base_SdssCentroid*")), 0)
+            # The SdssCentroid should be copied (the default behaviour)
+            for field in measSrcs.schema.extract("base_SdssCentroid*").keys():
+                self.assertTrue(trSrc.get(field) == measSrc.get(field) or math.isnan(trSrc.get(field)))
 
 
 def suite():