def test_address_lookup_error_hierarchy(self): self.assertIsInstance(BuildFileAddressMapper.AddressNotInBuildFile(), AddressLookupError) self.assertIsInstance(BuildFileAddressMapper.EmptyBuildFileError(), AddressLookupError) self.assertIsInstance( BuildFileAddressMapper.InvalidBuildFileReference(), AddressLookupError) self.assertIsInstance(BuildFileAddressMapper.InvalidAddressError(), AddressLookupError) self.assertIsInstance(BuildFileAddressMapper.BuildFileScanError(), AddressLookupError)