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Paddle/python/paddle/fluid/tests/unittests/test_queue.py

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2.5 KiB

# 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.
from __future__ import print_function
import numpy as np
import os
import unittest
import paddle.fluid as fluid
import paddle.fluid.layers as layers
import paddle.fluid.core as core
class TestQueue(unittest.TestCase):
def test_eq(self):
"""
test queue_generator op, enqueue op and dequeue op.
"""
main_program = fluid.Program()
startup_program = fluid.Program()
value = np.random.rand(1)
with fluid.program_guard(main_program, startup_program):
data_in = layers.create_global_var(
shape=[2, 3],
value=value,
dtype="float32",
persistable=True,
name='var_in')
data_out = layers.create_global_var(
shape=[2, 3],
value=value - 1.0,
dtype="float32",
persistable=True,
name='var_out')
startup_block = startup_program.block(0)
queue_name = 'blocking_queue'
startup_block.create_var(
name=queue_name, persistable=True, type=core.VarDesc.VarType.RAW)
startup_block.append_op(
type="queue_generator", attrs={'names': [queue_name]})
block = main_program.block(0)
block.append_op(
type='enqueue',
inputs={'X': data_in},
attrs={'queue_name': queue_name})
block.append_op(
type='dequeue',
outputs={'Out': [data_out]},
attrs={'queue_name': queue_name})
place = fluid.CUDAPlace(0) if core.is_compiled_with_cuda(
) else fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(startup_program)
ret = exe.run(main_program, fetch_list=[data_out.name])
self.assertTrue(
np.allclose(np.asarray(ret), np.full((2, 3), value, np.float32)))
if __name__ == '__main__':
unittest.main()