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

52 lines
1.8 KiB
Python

# 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_storage():
"""
test StorageDataset
"""
logger.info("Test Simple StorageDataset")
# define parameters
parameters = {"params": {}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, SCHEMA_DIR, shuffle=False)
filename = "storage_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_case_no_rows():
DATA_DIR = ["../data/dataset/test_tf_file_3_images/train-0000-of-0001.data"]
SCHEMA_DIR = "../data/dataset/test_tf_file_3_images/datasetNoRowsSchema.json"
dataset = ds.StorageDataset(DATA_DIR, SCHEMA_DIR, columns_list=["image"])
assert dataset.get_dataset_size() == 3
count = 0
for data in dataset.create_tuple_iterator():
count += 1
assert count == 3