lightning/tests/base/model_valid_dataloaders.py

44 lines
1.5 KiB
Python

# Copyright The PyTorch Lightning team.
#
# 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.
from abc import ABC, abstractmethod
from tests.helpers.dataloaders import CustomInfDataloader, CustomNotImplementedErrorDataloader
class ValDataloaderVariations(ABC):
@abstractmethod
def dataloader(self, *args, **kwargs):
"""placeholder"""
def val_dataloader(self):
return self.dataloader(train=False)
def val_dataloader__multiple_mixed_length(self):
lengths = [100, 30]
dataloaders = [self.dataloader(train=False, num_samples=n) for n in lengths]
return dataloaders
def val_dataloader__multiple(self):
return [
self.dataloader(train=False),
self.dataloader(train=False),
]
def val_dataloader__infinite(self):
return CustomInfDataloader(self.dataloader(train=False))
def val_dataloader__not_implemented_error(self):
return CustomNotImplementedErrorDataloader(self.dataloader(train=False))