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hashing_test.py
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hashing_test.py
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# coding=utf-8
# Copyright 2024 The TensorFlow Datasets Authors.
#
# 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.
"""Tests for tensorflow_datasets.core.hashing."""
from tensorflow_datasets import testing
from tensorflow_datasets.core import hashing
class HashingTest(testing.TestCase):
def test_ints(self):
hasher = hashing.Hasher(salt='')
res = hasher.hash_key(0)
self.assertEqual(res, 276215275525073243129443018166533317850)
res = hasher.hash_key(123455678901234567890)
self.assertEqual(res, 6876359009333865997613257802033240610)
def test_ascii(self):
hasher = hashing.Hasher(salt='')
res = hasher.hash_key('foo')
self.assertEqual(res, 229609063533823256041787889330700985560)
def test_backslash(self):
hasher = hashing.Hasher(salt='')
res2 = hasher.hash_key('x/y')
res1 = hasher.hash_key('x\\y')
self.assertEqual(res1, res2)
self.assertEqual(res1, 122546703782554533059483853573887619473)
if __name__ == '__main__':
testing.test_main()