mindspore/tests/ut/python/train/test_dataset_helper.py

108 lines
3.4 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.
# ============================================================================
"""test dataset helper."""
import pytest
import numpy as np
import mindspore.context as context
from mindspore.communication.management import init
from mindspore.train.dataset_helper import DatasetHelper
from ....dataset_mock import MindData
def get_dataset(batch_size=1):
dataset_types = (np.int32, np.int32, np.int32, np.int32, np.int32, np.int32, np.int32)
dataset_shapes = ((batch_size, 128), (batch_size, 128), (batch_size, 128), (batch_size, 1),
(batch_size, 20), (batch_size, 20), (batch_size, 20))
dataset = MindData(size=2, batch_size=batch_size, np_types=dataset_types,
output_shapes=dataset_shapes, input_indexs=(0, 1))
return dataset
def test_dataset_helper_dataset_sink_mode_str():
dataset = get_dataset(32)
with pytest.raises(TypeError):
DatasetHelper(dataset, dataset_sink_mode="True")
def test_dataset_helper_dataset_sink_mode_int():
dataset = get_dataset(32)
with pytest.raises(TypeError):
DatasetHelper(dataset, dataset_sink_mode=1)
def test_dataset_helper_sink_size_bool():
dataset = get_dataset(32)
with pytest.raises(TypeError):
DatasetHelper(dataset, dataset_sink_mode=True, sink_size=True)
def test_dataset_helper_sink_size_float():
dataset = get_dataset(32)
with pytest.raises(TypeError):
DatasetHelper(dataset, dataset_sink_mode=True, sink_size=1.0)
def test_dataset_helper_sink_size_negative():
dataset = get_dataset(32)
with pytest.raises(ValueError):
DatasetHelper(dataset, dataset_sink_mode=True, sink_size=-2)
def test_dataset_iter_normal():
dataset = get_dataset(32)
dataset_helper = DatasetHelper(dataset, dataset_sink_mode=False)
count = 0
for _ in range(2):
for _ in dataset_helper:
count += 1
dataset.reset()
assert count == 6
@pytest.mark.skipif('not context.get_context("enable_ge")')
def test_dataset_iter_ge():
init()
dataset = get_dataset(32)
dataset_helper = DatasetHelper(dataset, dataset_sink_mode=True, sink_size=10)
count = 0
for _ in range(2):
for _ in dataset_helper:
count += 1
assert count == 2
@pytest.mark.skipif('context.get_context("enable_ge")')
def test_dataset_iter_ms_loop_sink():
init()
context.set_context(enable_loop_sink=True)
dataset = get_dataset(32)
dataset_helper = DatasetHelper(dataset, dataset_sink_mode=True, sink_size=10)
count = 0
for _ in range(2):
for inputs in dataset_helper:
count += 1
assert inputs == tuple()
assert count == 2
@pytest.mark.skipif('context.get_context("enable_ge")')
def test_dataset_iter_ms():
init()
context.set_context(enable_loop_sink=False)
dataset = get_dataset(32)
DatasetHelper(dataset, dataset_sink_mode=True, sink_size=10)