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# Copyright 2015 OpenMarket Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unpaddedbase64 import encode_base64, decode_base64
import unittest
class TestUnpaddedBase64(unittest.TestCase):
def test_encode(self) -> None:
self.assertEqual(encode_base64(b""), "")
self.assertEqual(encode_base64(b"\x00"), "AA")
self.assertEqual(encode_base64(b"\x00\x00"), "AAA")
self.assertEqual(encode_base64(b"\x00\x00\x00"), "AAAA")
def test_decode(self) -> None:
self.assertEqual(decode_base64(""), b"")
self.assertEqual(decode_base64("AA"), b"\x00")
self.assertEqual(decode_base64("AAA"), b"\x00\x00")
self.assertEqual(decode_base64("AAAA"), b"\x00\x00\x00")
with self.assertRaises(Exception):
decode_base64("A")
def test_encode_urlunsafe_chars(self) -> None:
self.assertEqual(encode_base64(b"\xff\xe6\x9a"), "/+aa")
self.assertEqual(encode_base64(b"\xff\xe6\x9a", True), "_-aa")
def test_decode_urlunsafe_chars(self) -> None:
self.assertEqual(decode_base64("/+aa"), b"\xff\xe6\x9a")
self.assertEqual(decode_base64("_-aa"), b"\xff\xe6\x9a")
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