def test_init_raises_alphabet_value_error(self):
"""Test for expected occurence of AlphabetValueError.
The constructor is expected to raise AlphabetValueError if
the alphabet passed to it allows for generating aliases that
would be converted to integers larger than max int32.
"""
alias_factory_mock = MagicMock()
alias_factory_mock.alphabet.__len__.return_value = 32
alias_factory_mock.max_new_alias_length = 10
self.assertRaises(AlphabetValueError, IntegerAlias, alias_factory_mock)
