buxue
5 years ago
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fa96dfd161
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# Copyright 2020 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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""" test dtype and shape as attr"""
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import numpy as np
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import pytest
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore import context
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from mindspore import dtype as mstype
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from mindspore.ops import operations as P
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context.set_context(mode=context.GRAPH_MODE)
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def test_dtype_and_shape_as_attr():
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class Net(nn.Cell):
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def __init__(self):
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super(Net, self).__init__()
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def construct(self, x):
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shape = x.shape
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dtype = x.dtype
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return shape, dtype
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net = Net()
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x = Tensor(np.ones([1, 2, 3], np.int32))
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ret = net(x)
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assert ret == ((1, 2, 3), mstype.int32)
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def test_dtype_and_shape_as_attr_to_new_tensor():
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class Net(nn.Cell):
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def __init__(self, value):
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super(Net, self).__init__()
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self.fill = P.Fill()
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self.value = value
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def construct(self, x):
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dtype = x.dtype
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shape = x.shape
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y = self.fill(dtype, shape, self.value)
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return y
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net = Net(2.2)
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x = Tensor(np.ones([1, 2, 3], np.float32))
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ret = net(x)
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assert (ret.asnumpy() == (np.zeros([1, 2, 3], np.float32) + 2.2)).all()
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def test_type_not_have_the_attr():
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class Net(nn.Cell):
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def __init__(self):
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super(Net, self).__init__()
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def construct(self, x):
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shape = x.shapes
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return shape
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net = Net()
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x = Tensor(np.ones([1, 2, 3], np.int32))
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with pytest.raises(RuntimeError) as ex:
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net(x)
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assert "The object of type: Tensor[Int32] has no method or attr: shapes" in str(ex.value)
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def test_type_not_have_the_method():
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class Net(nn.Cell):
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def __init__(self):
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super(Net, self).__init__()
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def construct(self, x):
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shape = x.dtypes()
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return shape
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net = Net()
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x = Tensor(np.ones([1, 2, 3], np.int32))
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with pytest.raises(RuntimeError) as ex:
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net(x)
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assert "The object of type: Tensor[Int32] has no method or attr: dtypes" in str(ex.value)
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