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

264 lines
7.4 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.
# ==============================================================================
import numpy as np
from util import save_and_check
import mindspore.dataset as ds
from mindspore import log as logger
# Note: Number of rows in test.data dataset: 12
DATA_DIR = ["../data/dataset/testTFTestAllTypes/test.data"]
GENERATE_GOLDEN = False
def test_shuffle_01():
"""
Test shuffle: buffer_size < number-of-rows-in-dataset
"""
logger.info("test_shuffle_01")
# define parameters
buffer_size = 5
seed = 1
parameters = {"params": {'buffer_size': buffer_size, "seed": seed}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size=buffer_size)
filename = "shuffle_01_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_shuffle_02():
"""
Test shuffle: buffer_size = number-of-rows-in-dataset
"""
logger.info("test_shuffle_02")
# define parameters
buffer_size = 12
seed = 1
parameters = {"params": {'buffer_size': buffer_size, "seed": seed}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size=buffer_size)
filename = "shuffle_02_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_shuffle_03():
"""
Test shuffle: buffer_size=2 (minimum size), number-of-rows-in-dataset > 2
"""
logger.info("test_shuffle_03")
# define parameters
buffer_size = 2
seed = 1
parameters = {"params": {'buffer_size': buffer_size, "seed": seed}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size)
filename = "shuffle_03_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_shuffle_04():
"""
Test shuffle: buffer_size=2 (minimum size), number-of-rows-in-dataset = 2
"""
logger.info("test_shuffle_04")
# define parameters
buffer_size = 2
seed = 1
parameters = {"params": {'buffer_size': buffer_size, "seed": seed}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, num_samples=2)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size=buffer_size)
filename = "shuffle_04_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_shuffle_05():
"""
Test shuffle: buffer_size > number-of-rows-in-dataset
"""
logger.info("test_shuffle_05")
# define parameters
buffer_size = 13
seed = 1
parameters = {"params": {'buffer_size': buffer_size, "seed": seed}}
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size=buffer_size)
filename = "shuffle_05_result.npz"
save_and_check(data1, parameters, filename, generate_golden=GENERATE_GOLDEN)
def test_shuffle_06():
"""
Test shuffle: with set seed, both datasets
"""
logger.info("test_shuffle_06")
# define parameters
buffer_size = 13
seed = 1
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
ds.config.set_seed(seed)
data1 = data1.shuffle(buffer_size=buffer_size)
data2 = ds.TFRecordDataset(DATA_DIR, shuffle=ds.Shuffle.FILES)
data2 = data2.shuffle(buffer_size=buffer_size)
for item1, item2 in zip(data1.create_dict_iterator(), data2.create_dict_iterator()):
np.testing.assert_equal(item1, item2)
def test_shuffle_exception_01():
"""
Test shuffle exception: buffer_size<0
"""
logger.info("test_shuffle_exception_01")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle(buffer_size=-1)
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
def test_shuffle_exception_02():
"""
Test shuffle exception: buffer_size=0
"""
logger.info("test_shuffle_exception_02")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle(buffer_size=0)
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
def test_shuffle_exception_03():
"""
Test shuffle exception: buffer_size=1
"""
logger.info("test_shuffle_exception_03")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle(buffer_size=1)
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
def test_shuffle_exception_05():
"""
Test shuffle exception: Missing mandatory buffer_size input parameter
"""
logger.info("test_shuffle_exception_05")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle()
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
def test_shuffle_exception_06():
"""
Test shuffle exception: buffer_size wrong type, boolean value False
"""
logger.info("test_shuffle_exception_06")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle(buffer_size=False)
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
def test_shuffle_exception_07():
"""
Test shuffle exception: buffer_size wrong type, boolean value True
"""
logger.info("test_shuffle_exception_07")
# apply dataset operations
data1 = ds.TFRecordDataset(DATA_DIR)
ds.config.set_seed(1)
try:
data1 = data1.shuffle(buffer_size=True)
sum([1 for _ in data1])
except BaseException as e:
logger.info("Got an exception in DE: {}".format(str(e)))
assert "buffer_size" in str(e)
if __name__ == '__main__':
test_shuffle_01()
test_shuffle_02()
test_shuffle_03()
test_shuffle_04()
test_shuffle_05()
test_shuffle_06()
test_shuffle_exception_01()
test_shuffle_exception_02()
test_shuffle_exception_03()
test_shuffle_exception_05()
test_shuffle_exception_06()
test_shuffle_exception_07()
logger.info('\n')