127 lines
5.0 KiB
Python
127 lines
5.0 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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from unittest.mock import MagicMock, patch
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import torch
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from pytorch_lightning import Trainer
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from pytorch_lightning.loggers import NeptuneLogger
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from tests.helpers import BoringModel
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@patch('pytorch_lightning.loggers.neptune.neptune')
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def test_neptune_online(neptune):
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logger = NeptuneLogger(api_key='test', project_name='project')
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created_experiment = neptune.Session.with_default_backend().get_project().create_experiment()
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# It's important to check if the internal variable _experiment was initialized in __init__.
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# Calling logger.experiment would cause a side-effect of initializing _experiment,
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# if it wasn't already initialized.
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assert logger._experiment is None
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_ = logger.experiment
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assert logger._experiment == created_experiment
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assert logger.name == created_experiment.name
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assert logger.version == created_experiment.id
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@patch('pytorch_lightning.loggers.neptune.neptune')
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def test_neptune_existing_experiment(neptune):
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logger = NeptuneLogger(experiment_id='TEST-123')
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neptune.Session.with_default_backend().get_project().get_experiments.assert_not_called()
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experiment = logger.experiment
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neptune.Session.with_default_backend().get_project().get_experiments.assert_called_once_with(id='TEST-123')
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assert logger.experiment_name == experiment.get_system_properties()['name']
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assert logger.params == experiment.get_parameters()
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assert logger.properties == experiment.get_properties()
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assert logger.tags == experiment.get_tags()
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@patch('pytorch_lightning.loggers.neptune.neptune')
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def test_neptune_offline(neptune):
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logger = NeptuneLogger(offline_mode=True)
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neptune.Session.assert_not_called()
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_ = logger.experiment
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neptune.Session.assert_called_once_with(backend=neptune.OfflineBackend())
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assert logger.experiment == neptune.Session().get_project().create_experiment()
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@patch('pytorch_lightning.loggers.neptune.neptune')
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def test_neptune_additional_methods(neptune):
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logger = NeptuneLogger(api_key='test', project_name='project')
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created_experiment = neptune.Session.with_default_backend().get_project().create_experiment()
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logger.log_metric('test', torch.ones(1))
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created_experiment.log_metric.assert_called_once_with('test', torch.ones(1))
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created_experiment.log_metric.reset_mock()
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logger.log_metric('test', 1.0)
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created_experiment.log_metric.assert_called_once_with('test', 1.0)
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created_experiment.log_metric.reset_mock()
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logger.log_metric('test', 1.0, step=2)
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created_experiment.log_metric.assert_called_once_with('test', x=2, y=1.0)
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created_experiment.log_metric.reset_mock()
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logger.log_text('test', 'text')
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created_experiment.log_text.assert_called_once_with('test', 'text', step=None)
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created_experiment.log_text.reset_mock()
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logger.log_image('test', 'image file')
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created_experiment.log_image.assert_called_once_with('test', 'image file')
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created_experiment.log_image.reset_mock()
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logger.log_image('test', 'image file', step=2)
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created_experiment.log_image.assert_called_once_with('test', x=2, y='image file')
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created_experiment.log_image.reset_mock()
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logger.log_artifact('file')
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created_experiment.log_artifact.assert_called_once_with('file', None)
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logger.set_property('property', 10)
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created_experiment.set_property.assert_called_once_with('property', 10)
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logger.append_tags('one tag')
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created_experiment.append_tags.assert_called_once_with('one tag')
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created_experiment.append_tags.reset_mock()
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logger.append_tags(['two', 'tags'])
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created_experiment.append_tags.assert_called_once_with('two', 'tags')
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@patch('pytorch_lightning.loggers.neptune.neptune')
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def test_neptune_leave_open_experiment_after_fit(neptune, tmpdir):
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"""Verify that neptune experiment was closed after training"""
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model = BoringModel()
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def _run_training(logger):
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logger._experiment = MagicMock()
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trainer = Trainer(
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default_root_dir=tmpdir,
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max_epochs=1,
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limit_train_batches=0.05,
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logger=logger,
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)
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assert trainer.log_dir is None
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trainer.fit(model)
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assert trainer.log_dir is None
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return logger
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logger_close_after_fit = _run_training(NeptuneLogger(offline_mode=True))
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assert logger_close_after_fit._experiment.stop.call_count == 1
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logger_open_after_fit = _run_training(NeptuneLogger(offline_mode=True, close_after_fit=False))
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assert logger_open_after_fit._experiment.stop.call_count == 0
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