google-research
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1# coding=utf-8
2# Copyright 2024 The Google Research Authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8# http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16"""Tests for negative_cache.util."""
17
18import tensorflow.compat.v2 as tf19from negative_cache import util20
21
22class LossesTest(tf.test.TestCase):23
24def test_approximate_top_k_with_indices(self):25negative_scores = tf.convert_to_tensor([[1.0, 2.0, 3.0, 4.0],26[2.0, 1.0, 3.0, 4.0],27[4.0, 1.0, 3.0, 2.0]])28top_k_scores, top_k_indices = util.approximate_top_k_with_indices(29negative_scores, k=2)30top_k_scores_expected = tf.convert_to_tensor([[2.0, 4.0], [2.0, 4.0],31[4.0, 3.0]])32top_k_indices_expected = tf.convert_to_tensor([[1, 3], [0, 3], [0, 2]])33self.assertAllClose(top_k_scores_expected, top_k_scores)34self.assertAllEqual(top_k_indices_expected, top_k_indices)35
36
37if __name__ == '__main__':38tf.enable_v2_behavior()39tf.test.main()40