def test_commit(self):
"""
If we call a commit, it should first apply whatever changes are
left (we hook into that instead of checking the effect) and then
the commit on the updater should have been called.
Then we check it raises value error for whatever operation we try.
"""
diff = Diff(self, Name('example.org.'))
diff.add_data(self.__rrset1)
orig_apply = diff.apply
diff.apply = self.__mock_apply
diff.commit()
self.assertTrue(self.__apply_called)
self.assertTrue(self.__commit_called)
# The data should be handled by apply which we replaced.
self.assertEqual([], self.__data_operations)
# Now check all range of other methods raise ValueError
self.assertRaises(ValueError, diff.commit)
self.assertRaises(ValueError, diff.add_data, self.__rrset2)
self.assertRaises(ValueError, diff.delete_data, self.__rrset1)
self.assertRaises(ValueError, diff.find, Name('foo.example.org.'),
RRType.A())
self.assertRaises(ValueError, diff.find_all, Name('foo.example.org.'))
diff.apply = orig_apply
self.assertRaises(ValueError, diff.apply)
# This one does not state it should raise, so check it doesn't
# But it is NOP in this situation anyway
diff.compact()
