def testComputeDeltas_OnlyRemoved(self):
     self.assertEqual((set(), {'a'}),
                      edit_config_handler._ComputeDeltas('abcd', 'bcd'))
 def testComputeDeltas_OnlyAdded(self):
     self.assertEqual(({'a'}, set()),
                      edit_config_handler._ComputeDeltas('bcd', 'abcd'))
 def testComputeDeltas_Empty(self):
     self.assertEqual((set(), set()),
                      edit_config_handler._ComputeDeltas([], []))
 def testComputeDeltas_OnlyRemoved(self):
   self.assertEqual(
       (set(), {'a'}), edit_config_handler._ComputeDeltas('abcd', 'bcd'))
 def testComputeDeltas_OnlyAdded(self):
   self.assertEqual(
       ({'a'}, set()), edit_config_handler._ComputeDeltas('bcd', 'abcd'))
 def testComputeDeltas_Empty(self):
   self.assertEqual((set(), set()), edit_config_handler._ComputeDeltas([], []))