Check that all variables are updated when promised

util.py

@@ -120,8 +120,9 @@ class BaseCheckList:
     def compute(self, frame):
         # Filter bad records from previous level
         filtered_frame = frame.ix[frame.qc_percent < 1].copy()
-        for check in self.checks:
+        for check, metadata in self.checks.items():
             original_shape = filtered_frame.shape
             filtered_frame = check(filtered_frame, self.parameters)
             assert filtered_frame.shape[0] == original_shape[0]
+            assert np.in1d(list(metadata['updates']), filtered_frame.columns).all()
         return self.update_qc_percent(filtered_frame.combine_first(frame))