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mindspore/tests/ut/python/dataset/test_schema.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.
# ==============================================================================
import json
import pytest
import mindspore.dataset as ds
from mindspore import log as logger
from util import dataset_equal
FILES = ["../data/dataset/testTFTestAllTypes/test.data"]
DATASET_ROOT = "../data/dataset/testTFTestAllTypes/"
SCHEMA_FILE = "../data/dataset/testTFTestAllTypes/datasetSchema.json"
def test_schema_simple():
logger.info("test_schema_simple")
ds.Schema(SCHEMA_FILE)
def test_schema_file_vs_string():
logger.info("test_schema_file_vs_string")
schema1 = ds.Schema(SCHEMA_FILE)
with open(SCHEMA_FILE) as file:
json_obj = json.load(file)
schema2 = ds.Schema()
schema2.from_json(json_obj)
ds1 = ds.TFRecordDataset(FILES, schema1)
ds2 = ds.TFRecordDataset(FILES, schema2)
dataset_equal(ds1, ds2, 0)
def test_schema_exception():
logger.info("test_schema_exception")
with pytest.raises(TypeError) as info:
ds.Schema(1)
assert "Argument schema_file with value 1 is not of type [<class 'str'>]" in str(info.value)
with pytest.raises(RuntimeError) as info:
schema = ds.Schema(SCHEMA_FILE)
columns = [{'type': 'int8', 'shape': [3, 3]}]
schema.parse_columns(columns)
assert "Column's name is missing" in str(info.value)
if __name__ == '__main__':
test_schema_simple()
test_schema_file_vs_string()
test_schema_exception()