51 lines
1.4 KiB
Python
51 lines
1.4 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 os
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from unittest import mock
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from tests.base.boring_model import BoringModel
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from pytorch_lightning import Trainer
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import warnings
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class TestModel(BoringModel):
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def training_step(self, batch, batch_idx):
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acc = self.step(batch[0])
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return acc
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@mock.patch.dict(os.environ, {"PL_DEV_DEBUG": "1"})
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def test_no_depre_without_epoch_end(tmpdir):
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"""
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Tests that only training_step can be used
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"""
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model = TestModel()
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model.validation_epoch_end = None
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trainer = Trainer(
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default_root_dir=tmpdir,
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limit_train_batches=2,
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limit_val_batches=2,
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max_epochs=2,
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log_every_n_steps=1,
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weights_summary=None,
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)
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with warnings.catch_warnings(record=True) as w:
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trainer.fit(model)
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for msg in w:
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assert 'should not return anything ' not in str(msg)
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