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e4b9a7b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | # Copyright 2020 MONAI Consortium
# 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.
import unittest
import torch
from parameterized import parameterized
from monai.transforms import Activations
TEST_CASE_1 = [
{"sigmoid": True, "softmax": False, "other": None},
torch.tensor([[[[0.0, 1.0], [2.0, 3.0]]]]),
torch.tensor([[[[0.5000, 0.7311], [0.8808, 0.9526]]]]),
(1, 1, 2, 2),
]
TEST_CASE_2 = [
{"sigmoid": False, "softmax": True, "other": None},
torch.tensor([[[[0.0, 1.0]], [[2.0, 3.0]]]]),
torch.tensor([[[[0.1192, 0.1192]], [[0.8808, 0.8808]]]]),
(1, 2, 1, 2),
]
TEST_CASE_3 = [
{"sigmoid": False, "softmax": False, "other": lambda x: torch.tanh(x)},
torch.tensor([[[[0.0, 1.0], [2.0, 3.0]]]]),
torch.tensor([[[[0.0000, 0.7616], [0.9640, 0.9951]]]]),
(1, 1, 2, 2),
]
class TestActivations(unittest.TestCase):
@parameterized.expand([TEST_CASE_1, TEST_CASE_2, TEST_CASE_3])
def test_value_shape(self, input_param, img, out, expected_shape):
result = Activations(**input_param)(img)
torch.testing.assert_allclose(result, out)
self.assertTupleEqual(result.shape, expected_shape)
if __name__ == "__main__":
unittest.main()
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