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path: root/contrib/python/idna/tests/test_intranges.py
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#!/usr/bin/env python

import unittest

from idna.intranges import intranges_from_list, intranges_contain, _encode_range


class IntrangeTests(unittest.TestCase):

    def test_ranging(self):
        self.assertEqual(
            intranges_from_list(list(range(293, 499)) + list(range(4888, 9876))),
            (_encode_range(293, 499), _encode_range(4888, 9876),)
        )

    def test_ranging_2(self):
        self.assertEqual(
            intranges_from_list([111]),
            (_encode_range(111, 112),)
        )

    def test_skips(self):
        self.assertEqual(
            intranges_from_list([0, 2, 4, 6, 9, 10, 11, 13, 15,]),
            (
                _encode_range(0, 1),
                _encode_range(2, 3),
                _encode_range(4, 5),
                _encode_range(6, 7),
                _encode_range(9, 12),
                _encode_range(13, 14),
                _encode_range(15, 16),
            )
        )

    def test_empty_range(self):
        self.assertEqual(
            intranges_from_list([]),
            ()
        )


class IntrangeContainsTests(unittest.TestCase):

    def _test_containment(self, ints, disjoint_ints):
        ranges = intranges_from_list(ints)
        for int_ in ints:
            assert intranges_contain(int_, ranges)
        for int_ in disjoint_ints:
            assert not intranges_contain(int_, ranges)

    def test_simple(self):
        self._test_containment(range(10, 20), [2, 3, 68, 3893])

    def test_skips(self):
        self._test_containment(
            [0, 2, 4, 6, 9, 10, 11, 13, 15,],
            [-1, 1, 3, 5, 7, 4898]
        )

    def test_singleton(self):
        self._test_containment([111], [110, 112])

    def test_empty(self):
        self._test_containment([], range(100))