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# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
#
# 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.
import os
import shutil
import tempfile
import pytest
import wget
from omegaconf import OmegaConf
from nemo.collections.nlp.models import EntityLinkingModel
def get_cfg():
language_model = OmegaConf.create(
{"pretrained_model_name": "bert-base-uncased", "config_file": None, "config": None, "lm_checkpoint": None}
)
tokenizer = OmegaConf.create(
{"tokenizer_name": "bert-base-uncased", "vocab_file": None, "tokenizer_model": None, "do_lower_case": True}
)
model = OmegaConf.create(
{
"nemo_path": "sap_entity_linking.nemo",
"max_seq_length": 128,
"language_model": language_model,
"tokenizer": tokenizer,
"train_ds": None,
"validation_ds": None,
}
)
cfg = OmegaConf.create({"model": model})
return cfg
class TestEntityLinkingModel:
@pytest.mark.with_downloads()
@pytest.mark.unit
def test_creation_saving_restoring(self):
# Create a new temporary directory
with tempfile.TemporaryDirectory() as restore_dir:
with tempfile.TemporaryDirectory() as save_dir:
model = EntityLinkingModel(cfg=get_cfg().model)
assert isinstance(model, EntityLinkingModel)
save_dir_path = save_dir
# Where model will be saved
model_save_path = os.path.join(save_dir, f"{model.__class__.__name__}.nemo")
model.save_to(save_path=model_save_path)
# Where model will be restored from
model_restore_path = os.path.join(restore_dir, f"{model.__class__.__name__}.nemo")
shutil.copy(model_save_path, model_restore_path)
# at this point save_dir should not exist
assert save_dir_path is not None and not os.path.exists(save_dir_path)
assert not os.path.exists(model_save_path)
assert os.path.exists(model_restore_path)
# attempt to restore
model_copy = model.__class__.restore_from(restore_path=model_restore_path)
assert model.num_weights == model_copy.num_weights
if __name__ == "__main__":
t = TestEntityLinkingModel()
t.test_creation_saving_restoring()
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