33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
# Copyright The PyTorch Lightning team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import pytest
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from pytorch_lightning import LightningDataModule
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from pytorch_lightning.demos.boring_classes import BoringDataModule, BoringModel
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from pytorch_lightning.utilities.model_helpers import is_overridden
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def test_is_overridden():
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# edge cases
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assert not is_overridden("whatever", None)
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with pytest.raises(ValueError, match="Expected a parent"):
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is_overridden("whatever", object())
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model = BoringModel()
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assert not is_overridden("whatever", model)
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assert not is_overridden("whatever", model, parent=LightningDataModule)
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# normal usage
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assert is_overridden("training_step", model)
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datamodule = BoringDataModule()
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assert is_overridden("train_dataloader", datamodule)
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