mindspore2022/tests/ut/python/pynative_mode/nn/test_pooling.py

# 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
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# ============================================================================
"""
test pooling api
"""
import numpy as np
import pytest

import mindspore.nn as nn
from mindspore import Tensor


def test_avgpool2d():
    """ test_avgpool2d """
    kernel_size = 3
    stride = 2
    avg_pool = nn.AvgPool2d(kernel_size, stride)
    assert avg_pool.kernel_size == 3
    assert avg_pool.stride == 2
    input_data = Tensor(np.random.randint(0, 255, [1, 3, 6, 6]) * 0.1)
    output = avg_pool(input_data)
    output_np = output.asnumpy()
    assert isinstance(output_np[0][0][0][0], (np.float32, np.float64))


def test_avgpool2d_error_input():
    """ test_avgpool2d_error_input """
    kernel_size = 5
    stride = 2.3
    with pytest.raises(TypeError):
        nn.AvgPool2d(kernel_size, stride)


def test_maxpool2d():
    """ test_maxpool2d """
    kernel_size = 3
    stride = 3

    max_pool = nn.MaxPool2d(kernel_size, stride, pad_mode='SAME')
    assert max_pool.kernel_size == 3
    assert max_pool.stride == 3
    input_data = Tensor(np.random.randint(0, 255, [1, 3, 6, 6]) * 0.1)
    output = max_pool(input_data)
    output_np = output.asnumpy()
    assert isinstance(output_np[0][0][0][0], (np.float32, np.float64))