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

41 lines
1.3 KiB
Python

# 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.
# ==============================================================================
"""
Testing Duplicate op in DE
"""
import numpy as np
import mindspore.dataset as ds
import mindspore.dataset.transforms.c_transforms as ops
def compare(array):
data = ds.NumpySlicesDataset([array], column_names="x")
array = np.array(array)
data = data.map(input_columns=["x"], output_columns=["x", "y"], column_order=["x", "y"],
operations=ops.Duplicate())
for d in data.create_dict_iterator(num_epochs=1):
np.testing.assert_array_equal(array, d["x"])
np.testing.assert_array_equal(array, d["y"])
def test_duplicate_basics():
compare([1, 2, 3])
compare([b"1", b"2", b"3"])
if __name__ == "__main__":
test_duplicate_basics()