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| # Copyright 2022 DeepMind Technologies Limited. All Rights Reserved. | |
| # | |
| # 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. | |
| # ============================================================================== | |
| """Unit tests for `evaluation.py`.""" | |
| from absl.testing import absltest | |
| from clrs._src import evaluation | |
| from clrs._src import probing | |
| from clrs._src import specs | |
| import jax | |
| import jax.numpy as jnp | |
| import numpy as np | |
| class EvaluationTest(absltest.TestCase): | |
| def test_reduce_permutations(self): | |
| b = 8 | |
| n = 16 | |
| pred = jnp.stack([jax.random.permutation(jax.random.PRNGKey(i), n) | |
| for i in range(b)]) | |
| heads = jax.random.randint(jax.random.PRNGKey(42), (b,), 0, n) | |
| perm = probing.DataPoint(name='test', | |
| type_=specs.Type.PERMUTATION_POINTER, | |
| location=specs.Location.NODE, | |
| data=jax.nn.one_hot(pred, n)) | |
| mask = probing.DataPoint(name='test_mask', | |
| type_=specs.Type.MASK_ONE, | |
| location=specs.Location.NODE, | |
| data=jax.nn.one_hot(heads, n)) | |
| output = evaluation.fuse_perm_and_mask(perm=perm, mask=mask) | |
| expected_output = np.array(pred) | |
| expected_output[np.arange(b), heads] = heads | |
| self.assertEqual(output.name, 'test') | |
| self.assertEqual(output.type_, specs.Type.POINTER) | |
| self.assertEqual(output.location, specs.Location.NODE) | |
| np.testing.assert_allclose(output.data, expected_output) | |
| if __name__ == '__main__': | |
| absltest.main() | |