mindspore2022/tests/ut/python/dataset/test_datasets_iwslt.py

262 lines
9.6 KiB
Python

# Copyright 2021 Huawei Technologies Co., Ltd
#
# 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 mindspore.dataset as ds
DATA_IWSLT2016_DIR = '../data/dataset/testIWSLT/IWSLT2016'
DATA_IWSLT2017_DIR = '../data/dataset/testIWSLT/IWSLT2017'
def test_iwslt2016_dataset_basic():
"""
Feature: Test IWSLT2016 Dataset.
Description: read data from a single file.
Expectation: the data is processed successfully.
"""
buffer = []
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.repeat(2)
data = data.skip(2)
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.append(d)
assert len(buffer) == 2
def test_iwslt2016_dataset_quoted():
"""
Feature: Test get the IWSLT2016 Dataset.
Description: read IWSLT2016 data and get data.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
buffer = []
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.extend([d['text'].item().decode("utf8"),
d['translation'].item().decode("utf8")])
assert buffer == ["Code schreiben macht Freude.",
"Writing code is a joy.",
"Ich hoffe in Zukunft weniger Überstunden machen zu können.",
"I hope to work less overtime in the future."]
def test_iwslt2016_dataset_usage_all():
"""
Feature: Test IWSLT2016 Dataset (usage=all).
Description: read train data and test data.
Expectation: the data is processed successfully.
"""
buffer = []
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='all', language_pair=["de", "en"], valid_set='tst2013',
test_set='tst2014', shuffle=False)
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.append(d)
assert len(buffer) == 6
def test_iwslt2016_dataset_get_datasetsize():
"""
Feature: Test Getters.
Description: test get_dataset_size of IWSLT2016 dataset.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
size = data.get_dataset_size()
assert size == 2
def test_iwslt2016_dataset_distribution():
"""
Feature: Test IWSLT2016Dataset in distribution.
Description: test in a distributed state.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False,
num_shards=2, shard_id=0)
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 1
def test_iwslt2016_dataset_num_samples():
"""
Feature: Test IWSLT2016 Dataset (num_samples=2).
Description: test get num_samples.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False,
num_samples=2)
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 2
def test_iwslt2016_dataset_exception():
"""
Feature: Error Test.
Description: test the wrong input.
Expectation: unable to read in data.
"""
def exception_func(item):
raise Exception("Error occur!")
try:
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.map(operations=exception_func, input_columns=["text"], num_parallel_workers=1)
for _ in data.create_dict_iterator():
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.IWSLT2016Dataset(DATA_IWSLT2016_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.map(operations=exception_func, input_columns=["translation"], num_parallel_workers=1)
for _ in data.create_dict_iterator():
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
def test_iwslt2017_dataset_basic():
"""
Feature: Test IWSLT2017 Dataset.
Description: read data from a single file.
Expectation: the data is processed successfully.
"""
buffer = []
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.repeat(2)
data = data.skip(2)
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.append(d)
assert len(buffer) == 2
def test_iwslt2017_dataset_quoted():
"""
Feature: Test get the IWSLT2017 Dataset.
Description: read IWSLT2017 data and get data.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
buffer = []
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.extend([d['text'].item().decode("utf8"),
d['translation'].item().decode("utf8")])
assert buffer == ["Schönes Wetter heute.",
"The weather is nice today.",
"Ich bin heute gut gelaunt.",
"I am in a good mood today."]
def test_iwslt2017_dataset_usage_all():
"""
Feature: Test IWSLT2017 Dataset(usage=all).
Description: read train data and test data.
Expectation: the data is processed successfully.
"""
buffer = []
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='all', language_pair=["de", "en"], shuffle=False)
for d in data.create_dict_iterator(num_epochs=1, output_numpy=True):
buffer.append(d)
assert len(buffer) == 6
def test_iwslt2017_dataset_get_datasetsize():
"""
Feature: Test Getters.
Description: test get_dataset_size of IWSLT2017 dataset.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
size = data.get_dataset_size()
assert size == 2
def test_iwslt2017_dataset_distribution():
"""
Feature: Test IWSLT2017Dataset in distribution.
Description: test in a distributed state.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False,
num_shards=2, shard_id=0)
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 1
def test_iwslt2017_dataset_num_samples():
"""
Feature: Test IWSLT2017 Dataset (num_samples=2).
Description: test get num_samples.
Expectation: the data is processed successfully.
"""
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False,
num_samples=2)
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 2
def test_iwslt2017_dataset_exception():
"""
Feature: Error Test.
Description: test the wrong input.
Expectation: unable to read in data.
"""
def exception_func(item):
raise Exception("Error occur!")
try:
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.map(operations=exception_func, input_columns=["text"], num_parallel_workers=1)
for _ in data.create_dict_iterator():
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.IWSLT2017Dataset(DATA_IWSLT2017_DIR, usage='train', language_pair=["de", "en"], shuffle=False)
data = data.map(operations=exception_func, input_columns=["translation"], num_parallel_workers=1)
for _ in data.create_dict_iterator():
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
if __name__ == "__main__":
test_iwslt2016_dataset_basic()
test_iwslt2016_dataset_quoted()
test_iwslt2016_dataset_usage_all()
test_iwslt2016_dataset_get_datasetsize()
test_iwslt2016_dataset_distribution()
test_iwslt2016_dataset_num_samples()
test_iwslt2016_dataset_exception()
test_iwslt2017_dataset_basic()
test_iwslt2017_dataset_quoted()
test_iwslt2017_dataset_usage_all()
test_iwslt2017_dataset_get_datasetsize()
test_iwslt2017_dataset_distribution()
test_iwslt2017_dataset_num_samples()
test_iwslt2017_dataset_exception()