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mindspore/tests/ut/python/dataset/test_input_indexes.py

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# Copyright 2020 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.
# ==============================================================================
"""
Test Input Indexes
"""
import mindspore.dataset as ds
from mindspore import log as logger
def test_basics_input_indexes():
"""
Test basic cases for input indexes.
"""
logger.info("test_basics_input_indexes")
data = ds.NumpySlicesDataset([1, 2, 3], column_names=["col_1"])
assert data.input_indexs == ()
data.input_indexs = 10
assert data.input_indexs == 10
data = data.shuffle(2)
assert data.input_indexs == 10
data = data.project(["col_1"])
assert data.input_indexs == 10
data2 = ds.NumpySlicesDataset([1, 2, 3], column_names=["col_1"])
assert data2.input_indexs == ()
data2 = data2.shuffle(2)
assert data2.input_indexs == ()
data2 = data2.project(["col_1"])
assert data2.input_indexs == ()
data2.input_indexs = 20
assert data2.input_indexs == 20
data3 = data + data2
assert data3.input_indexs == 10
if __name__ == '__main__':
test_basics_input_indexes()