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

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# Copyright 2019 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.
# ==============================================================================
from util import save_and_check
import mindspore.dataset as ds
from mindspore import log as logger
DATA_DIR = ["../data/dataset/testTFTestAllTypes/test.data"]
SCHEMA_DIR = "../data/dataset/testTFTestAllTypes/datasetSchema.json"
COLUMNS = ["col_1d", "col_2d", "col_3d", "col_binary", "col_float",
"col_sint16", "col_sint32", "col_sint64"]
GENERATE_GOLDEN = False
def test_case_columns_list():
"""
a simple repeat operation.
"""
logger.info("Test Simple Repeat")
# define parameters
repeat_count = 2
parameters = {"params": {'repeat_count': repeat_count}}
columns_list = ["col_sint64", "col_sint32"]
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, SCHEMA_DIR, columns_list=columns_list, shuffle=False)
data1 = data1.repeat(repeat_count)
filename = "columns_list_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)