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paddlepaddle--paddle/test/legacy_test/test_fetch_var.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
import unittest
import numpy as np
import paddle
from paddle import base
class TestFetchVar(unittest.TestCase):
def set_input(self):
self.val = np.array([1, 3, 5]).astype(np.int32)
self.name = "x"
def test_fetch_var(self):
self.set_input()
x = paddle.static.data(
name=self.name, shape=self.val.shape, dtype="int32"
)
x.persistable = True
exe = base.Executor(base.CPUPlace())
exe.run(
base.default_main_program(),
feed={self.name: self.val},
fetch_list=[],
)
fetched_x = base.executor._fetch_var(x.name)
np.testing.assert_array_equal(fetched_x, self.val)
self.assertEqual(fetched_x.dtype, self.val.dtype)
class TestFetchNullVar(TestFetchVar):
def set_input(self):
self.val = np.array([]).astype(np.int32)
self.name = "y"
if __name__ == '__main__':
paddle.enable_static()
unittest.main()