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# -*- coding: utf-8 -*- |
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# Copyright 2018 by Christopher C. Little. |
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# This file is part of Abydos. |
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# |
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# Abydos is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Abydos is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with Abydos. If not, see <http://www.gnu.org/licenses/>. |
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"""abydos.tests.fuzz. |
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This module contains fuzz tests for Abydos |
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""" |
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import unicodedata |
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from random import choice, randint, random |
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from string import printable |
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from six import unichr |
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def _random_char(below=0x10ffff, must_be=None): |
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"""Generate a random Unicode character below U+{below}.""" |
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while True: |
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char = unichr(randint(0, below)) # noqa: S311 |
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try: |
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name = unicodedata.name(char) |
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if must_be is None or must_be in name: |
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return char |
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except ValueError: |
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pass |
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def _fuzz(word, fuzziness=0.2): |
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"""Fuzz a word with noise.""" |
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while True: |
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new_word = [] |
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for ch in word: |
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if random() > fuzziness: # noqa: S311 |
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new_word.append(ch) |
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else: |
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if random() > 0.5: # noqa: S311 |
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new_word.append(choice(printable)) # noqa: S311 |
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elif random() > 0.8: # noqa: S311 |
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new_word.append(unichr(randint(0, 0x10ffff))) # noqa: S311 |
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else: |
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new_word.append(unichr(randint(0, 0xffff))) # noqa: S311 |
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if random() > 0.5: # noqa: S311 |
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new_word.append(ch) |
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new_word = ''.join(new_word) |
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if new_word != word: |
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return new_word |
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chrislit /
abydos
