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

379 lines
10 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.
# ==============================================================================
import mindspore.dataset as ds
import mindspore.dataset.transforms.vision.py_transforms as F
import mindspore.dataset.transforms.c_transforms as C
import mindspore.common.dtype as mstype
from mindspore import log as logger
import numpy as np
# In generator dataset: Number of rows is 3, its value is 0, 1, 2
def generator():
for i in range(3):
yield np.array([i]),
# In generator_10 dataset: Number of rows is 7, its value is 3, 4, 5 ... 10
def generator_10():
for i in range(3, 10):
yield np.array([i]),
# In generator_20 dataset: Number of rows is 10, its value is 10, 11, 12 ... 20
def generator_20():
for i in range(10, 20):
yield np.array([i]),
def test_concat_01():
"""
Test concat: test concat 2 datasets that have the same column name and data type
"""
logger.info("test_concat_01")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = data1 + data2
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert i == d[0][0]
assert sum([1 for _ in data3]) == 10
def test_concat_02():
"""
Test concat: test concat 2 datasets using concat operation not "+" operation
"""
logger.info("test_concat_02")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = data1.concat(data2)
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert i == d[0][0]
assert sum([1 for _ in data3]) == 10
def test_concat_03():
"""
Test concat: test concat dataset that has different column
"""
logger.info("test_concat_03")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col2"])
data3 = data1 + data2
try:
for i, d in enumerate(data3):
pass
assert False
except RuntimeError:
pass
def test_concat_04():
"""
Test concat: test concat dataset that has different rank
"""
logger.info("test_concat_04")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col2"])
data2 = data2.batch(3)
data3 = data1 + data2
try:
for i, d in enumerate(data3):
pass
assert False
except RuntimeError:
pass
def test_concat_05():
"""
Test concat: test concat dataset that has different data type
"""
logger.info("test_concat_05")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
type_cast_op = C.TypeCast(mstype.float32)
data1 = data1.map(input_columns=["col1"], operations=type_cast_op)
data3 = data1 + data2
try:
for i, d in enumerate(data3):
pass
assert False
except RuntimeError:
pass
def test_concat_06():
"""
Test concat: test concat muti datasets in one time
"""
logger.info("test_concat_06")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = ds.GeneratorDataset(generator_20, ["col1"])
dataset = data1 + data2 + data3
# Here i refers to index, d refers to data element
for i, d in enumerate(dataset):
logger.info("data: %i", d[0][0])
assert i == d[0][0]
assert sum([1 for _ in dataset]) == 20
def test_concat_07():
"""
Test concat: test concat one dataset with multi datasets (datasets list)
"""
logger.info("test_concat_07")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = ds.GeneratorDataset(generator_20, ["col1"])
dataset = [data2] + [data3]
data4 = data1 + dataset
# Here i refers to index, d refers to data element
for i, d in enumerate(data4):
logger.info("data: %i", d[0][0])
assert i == d[0][0]
assert sum([1 for _ in data4]) == 20
def test_concat_08():
"""
Test concat: test concat 2 datasets, and then repeat
"""
logger.info("test_concat_08")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = data1 + data2
data3 = data3.repeat(2)
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert i % 10 == d[0][0]
assert sum([1 for _ in data3]) == 20
def test_concat_09():
"""
Test concat: test concat 2 datasets, both of them have been repeat before
"""
logger.info("test_concat_09")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data1 = data1.repeat(2)
data2 = data2.repeat(2)
data3 = data1 + data2
res = [0, 1, 2, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8, 9]
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert res[i] == d[0][0]
assert sum([1 for _ in data3]) == 20
def test_concat_10():
"""
Test concat: test concat 2 datasets, one of them have repeat before
"""
logger.info("test_concat_10")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data1 = data1.repeat(2)
data3 = data1 + data2
res = [0, 1, 2, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert res[i] == d[0][0]
assert sum([1 for _ in data3]) == 13
def test_concat_11():
"""
Test concat: test dataset batch then concat
"""
logger.info("test_concat_11")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_20, ["col1"])
data1 = data1.batch(3)
data2 = data2.batch(5)
data3 = data1 + data2
res = [0, 10, 15, 20]
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert res[i] == d[0][0]
assert sum([1 for _ in data3]) == 3
def test_concat_12():
"""
Test concat: test dataset concat then shuffle
"""
logger.info("test_concat_12")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data1.set_dataset_size(3)
data2.set_dataset_size(7)
data3 = data1 + data2
res = [8, 6, 2, 5, 0, 4, 9, 3, 7, 1]
ds.config.set_seed(1)
assert data3.get_dataset_size() == 10
data3 = data3.shuffle(buffer_size=10)
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert res[i] == d[0][0]
assert sum([1 for _ in data3]) == 10
def test_concat_13():
"""
Test concat: test dataset batch then shuffle and concat
"""
logger.info("test_concat_13")
data1 = ds.GeneratorDataset(generator, ["col1"])
data2 = ds.GeneratorDataset(generator_20, ["col1"])
data1.set_dataset_size(3)
data2.set_dataset_size(10)
data1 = data1.batch(3)
data2 = data2.batch(5)
data3 = data1 + data2
res = [15, 0, 10]
ds.config.set_seed(1)
assert data3.get_dataset_size() == 3
data3 = data3.shuffle(buffer_size=int(data3.get_dataset_size()))
# Here i refers to index, d refers to data element
for i, d in enumerate(data3):
logger.info("data: %i", d[0][0])
assert res[i] == d[0][0]
assert sum([1 for _ in data3]) == 3
def test_concat_14():
"""
Test concat: create dataset with different dataset folder, and do diffrent operation then concat
"""
logger.info("test_concat_14")
DATA_DIR = "../data/dataset/testPK/data"
DATA_DIR2 = "../data/dataset/testImageNetData/train/"
data1 = ds.ImageFolderDatasetV2(DATA_DIR, num_samples=3)
data2 = ds.ImageFolderDatasetV2(DATA_DIR2, num_samples=2)
transforms1 = F.ComposeOp([F.Decode(),
F.Resize((224, 224)),
F.ToTensor()])
data1 = data1.map(input_columns=["image"], operations=transforms1())
data2 = data2.map(input_columns=["image"], operations=transforms1())
data3 = data1 + data2
expected, output = [], []
for d in data1:
expected.append(d[0])
for d in data2:
expected.append(d[0])
for d in data3:
output.append(d[0])
assert len(expected) == len(output)
np.array_equal(np.array(output), np.array(expected))
assert sum([1 for _ in data3]) == 5
assert data3.get_dataset_size() == 5
def test_concat_15():
"""
Test concat: create dataset with different format of dataset file, and then concat
"""
logger.info("test_concat_15")
DATA_DIR = "../data/dataset/testPK/data"
DATA_DIR2 = ["../data/dataset/test_tf_file_3_images/train-0000-of-0001.data"]
data1 = ds.ImageFolderDatasetV2(DATA_DIR)
data2 = ds.TFRecordDataset(DATA_DIR2, columns_list=["image"])
data1 = data1.project(["image"])
data3 = data1 + data2
assert sum([1 for _ in data3]) == 47
if __name__ == "__main__":
test_concat_01()
test_concat_02()
test_concat_03()
test_concat_04()
test_concat_05()
test_concat_06()
test_concat_07()
test_concat_08()
test_concat_09()
test_concat_10()
test_concat_11()
test_concat_12()
test_concat_13()
test_concat_14()
test_concat_15()