lightning/tests/utilities/test_parsing.py

97 lines
3.1 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 pytorch_lightning.utilities.parsing import lightning_getattr, lightning_hasattr, lightning_setattr
def _get_test_cases():
class TestHparamsNamespace:
learning_rate = 1
TestHparamsDict = {'learning_rate': 2}
class TestModel1: # test for namespace
learning_rate = 0
model1 = TestModel1()
class TestModel2: # test for hparams namespace
hparams = TestHparamsNamespace()
model2 = TestModel2()
class TestModel3: # test for hparams dict
hparams = TestHparamsDict
model3 = TestModel3()
class TestModel4: # fail case
batch_size = 1
model4 = TestModel4()
class DataModule:
batch_size = 8
class Trainer:
datamodule = DataModule
class TestModel5: # test for datamodule
trainer = Trainer
model5 = TestModel5()
return model1, model2, model3, model4, model5
def test_lightning_hasattr(tmpdir):
""" Test that the lightning_hasattr works in all cases"""
model1, model2, model3, model4, model5 = _get_test_cases()
assert lightning_hasattr(model1, 'learning_rate'), \
'lightning_hasattr failed to find namespace variable'
assert lightning_hasattr(model2, 'learning_rate'), \
'lightning_hasattr failed to find hparams namespace variable'
assert lightning_hasattr(model3, 'learning_rate'), \
'lightning_hasattr failed to find hparams dict variable'
assert not lightning_hasattr(model4, 'learning_rate'), \
'lightning_hasattr found variable when it should not'
assert lightning_hasattr(model5, 'batch_size'), \
'lightning_hasattr failed to find batch_size in datamodule'
def test_lightning_getattr(tmpdir):
""" Test that the lightning_getattr works in all cases"""
models = _get_test_cases()
for i, m in enumerate(models[:3]):
value = lightning_getattr(m, 'learning_rate')
assert value == i, 'attribute not correctly extracted'
model5 = models[4]
assert lightning_getattr(model5, 'batch_size') == 8, \
'batch_size not correctly extracted'
def test_lightning_setattr(tmpdir):
""" Test that the lightning_setattr works in all cases"""
models = _get_test_cases()
for m in models[:3]:
lightning_setattr(m, 'learning_rate', 10)
assert lightning_getattr(m, 'learning_rate') == 10, \
'attribute not correctly set'
model5 = models[4]
lightning_setattr(model5, 'batch_size', 128)
assert lightning_getattr(model5, 'batch_size') == 128, \
'batch_size not correctly set'