mindspore2022/tests/ut/python/nn/optim/test_asgd.py

103 lines
3.2 KiB
Python

# Copyright 2021 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 ASGD """
import numpy as np
import pytest
import mindspore.nn as nn
from mindspore import Tensor, Parameter
from mindspore.nn.optim import ASGD
from mindspore.ops import operations as P
class Net(nn.Cell):
""" Net definition """
def __init__(self):
super(Net, self).__init__()
self.weight = Parameter(Tensor(np.ones([64, 10]).astype(np.float32)), name="weight")
self.bias = Parameter(Tensor(np.ones([10]).astype((np.float32))), name="bias")
self.matmul = P.MatMul()
self.biasAdd = P.BiasAdd()
def construct(self, x):
x = self.biasAdd(self.matmul(x, self.weight), self.bias)
return x
class NetWithoutWeight(nn.Cell):
def __init__(self):
super(NetWithoutWeight, self).__init__()
self.matmul = P.MatMul()
def construct(self, x):
x = self.matmul(x, x)
return x
def test_asgdwithoutparam():
"""
Feature: Test ASGD optimizer.
Description: Test if error is raised when trainable_params is empty.
Expectation: ValueError is raised.
"""
net = NetWithoutWeight()
net.set_train()
with pytest.raises(ValueError, match=r"For 'Optimizer', the argument parameters must not be empty"):
ASGD(net.trainable_params(), learning_rate=0.1)
def test_asgd_lambd():
"""
Feature: Test ASGD optimizer.
Description: Test if error is raised when the type of lambd is not correct.
Expectation: ValueError is raised.
"""
net = Net()
with pytest.raises(TypeError):
ASGD(net.get_parameters(), lambd=1, learning_rate=0.1)
def test_asgd_alpha():
"""
Feature: Test ASGD optimizer.
Description: Test if error is raised when the type of alpha is not correct.
Expectation: ValueError is raised.
"""
net = Net()
with pytest.raises(TypeError):
ASGD(net.get_parameters(), alpha=1, learning_rate=0.1)
def test_asgd_t0():
"""
Feature: Test ASGD optimizer.
Description: Test if error is raised when the type of t0 is not correct.
Expectation: ValueError is raised.
"""
net = Net()
with pytest.raises(TypeError):
ASGD(net.get_parameters(), t0=1, learning_rate=0.1)
def test_asgd_mindspore_with_empty_params():
"""
Feature: Test ASGD optimizer.
Description: Test if error is raised when there is no trainable_params.
Expectation: ValueError is raised.
"""
net = nn.Flatten()
with pytest.raises(ValueError, match=r"For 'Optimizer', the argument parameters must not be empty"):
ASGD(net.get_parameters())