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mindspore/tests/ut/python/pipeline/parse/test_view.py

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# 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 view"""
import pytest
import mindspore.nn as nn
from mindspore import Tensor
from mindspore import context
context.set_context(mode=context.GRAPH_MODE)
def test_view():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.value = Tensor([[1, 2, 3], [4, 5, 6]])
def construct(self):
return self.value.view(-1)
net = Net()
net()
def test_view_1():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.value = Tensor([[1, 2, 3], [4, 5, 6]])
def construct(self):
return self.value.view((3, 2))
net = Net()
net()
def test_view_2():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.value = Tensor([[1, 2, 3], [4, 5, 6]])
def construct(self):
return self.value.view(3, 2)
net = Net()
net()
def test_view_parameter():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
def construct(self, x):
return x.view(-1)
net = Net()
net(Tensor([[1, 2, 3], [4, 5, 6]]))
def test_view_parameter_1():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
def construct(self, x):
return x.view((3, 2))
net = Net()
net(Tensor([[1, 2, 3], [4, 5, 6]]))
def test_view_parameter_2():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
def construct(self, x):
return x.view(3, 2)
net = Net()
net(Tensor([[1, 2, 3], [4, 5, 6]]))
def test_view_shape_error():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.value = Tensor([[1, 2, 3], [4, 5, 6]])
def construct(self):
return self.value.view()
net = Net()
with pytest.raises(ValueError) as ex:
net()
assert "The shape variable should not be empty" in str(ex.value)
def test_view_shape_error_1():
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.value = Tensor([[1, 2, 3], [4, 5, 6]])
def construct(self):
return self.value.view((2, 3), (4, 5))
net = Net()
with pytest.raises(ValueError) as ex:
net()
assert "Only one tuple is needed" in str(ex.value)