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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 | # 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
from monai.data import CacheDataset, DataLoader
from monai.transforms import Compose, DataStatsd, SimulateDelayd
class TestDataLoader(unittest.TestCase):
def test_values(self):
datalist = [
{"image": "spleen_19.nii.gz", "label": "spleen_label_19.nii.gz"},
{"image": "spleen_31.nii.gz", "label": "spleen_label_31.nii.gz"},
]
transform = Compose(
[
DataStatsd(keys=["image", "label"], data_shape=False, value_range=False, data_value=True),
SimulateDelayd(keys=["image", "label"], delay_time=0.1),
]
)
dataset = CacheDataset(data=datalist, transform=transform, cache_rate=0.5, cache_num=1)
dataloader = DataLoader(dataset=dataset, batch_size=2, num_workers=2)
for d in dataloader:
self.assertEqual(d["image"][0], "spleen_19.nii.gz")
self.assertEqual(d["image"][1], "spleen_31.nii.gz")
self.assertEqual(d["label"][0], "spleen_label_19.nii.gz")
self.assertEqual(d["label"][1], "spleen_label_31.nii.gz")
if __name__ == "__main__":
unittest.main()
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