from unittest import TestCase

from django.test import ignore_warnings

from django.utils.deprecation import RemovedInDjango50Warning

with ignore_warnings(category=RemovedInDjango50Warning):

    from django.utils.baseconv import (

        BaseConverter,

        base2,

        base16,

        base36,

        base56,

        base62,

        base64,

    )

# RemovedInDjango50Warning

class TestBaseConv(TestCase):

    def test_baseconv(self):

        nums = [-(10**10), 10**10, *range(-100, 100)]

        for converter in [base2, base16, base36, base56, base62, base64]:

            for i in nums:

                self.assertEqual(i, converter.decode(converter.encode(i)))

    def test_base11(self):

        base11 = BaseConverter("0123456789-", sign="$")

        self.assertEqual(base11.encode(1234), "-22")

        self.assertEqual(base11.decode("-22"), 1234)

        self.assertEqual(base11.encode(-1234), "$-22")

        self.assertEqual(base11.decode("$-22"), -1234)

    def test_base20(self):

        base20 = BaseConverter("0123456789abcdefghij")

        self.assertEqual(base20.encode(1234), "31e")

        self.assertEqual(base20.decode("31e"), 1234)

        self.assertEqual(base20.encode(-1234), "-31e")

        self.assertEqual(base20.decode("-31e"), -1234)

    def test_base64(self):

        self.assertEqual(base64.encode(1234), "JI")

        self.assertEqual(base64.decode("JI"), 1234)

        self.assertEqual(base64.encode(-1234), "$JI")

        self.assertEqual(base64.decode("$JI"), -1234)

    def test_base7(self):

        base7 = BaseConverter("cjdhel3", sign="g")

        self.assertEqual(base7.encode(1234), "hejd")

        self.assertEqual(base7.decode("hejd"), 1234)

        self.assertEqual(base7.encode(-1234), "ghejd")

        self.assertEqual(base7.decode("ghejd"), -1234)

    def test_exception(self):

        with self.assertRaises(ValueError):

            BaseConverter("abc", sign="a")

        self.assertIsInstance(BaseConverter("abc", sign="d"), BaseConverter)

    def test_repr(self):

        base7 = BaseConverter("cjdhel3", sign="g")

        self.assertEqual(repr(base7), "<BaseConverter: base7 (cjdhel3)>")