test_variable.py 2.4 KB
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#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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#
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# 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
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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
# 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.

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import unittest
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from paddle.fluid.framework import default_main_program, Program, convert_np_dtype_to_dtype_
import paddle.fluid.core as core
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import numpy as np


class TestVariable(unittest.TestCase):
    def test_np_dtype_convert(self):
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        DT = core.VarDesc.VarType
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        convert = convert_np_dtype_to_dtype_
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        self.assertEqual(DT.FP32, convert(np.float32))
        self.assertEqual(DT.FP16, convert("float16"))
        self.assertEqual(DT.FP64, convert("float64"))
        self.assertEqual(DT.INT32, convert("int32"))
        self.assertEqual(DT.INT16, convert("int16"))
        self.assertEqual(DT.INT64, convert("int64"))
        self.assertEqual(DT.BOOL, convert("bool"))
        self.assertRaises(ValueError, lambda: convert("int8"))

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    def test_var(self):
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        b = default_main_program().current_block()
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        w = b.create_var(
            dtype="float64", shape=[784, 100], lod_level=0, name="fc.w")
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        self.assertNotEqual(str(w), "")
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        self.assertEqual(core.VarDesc.VarType.FP64, w.dtype)
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        self.assertEqual((784, 100), w.shape)
        self.assertEqual("fc.w", w.name)
        self.assertEqual(0, w.lod_level)

        w = b.create_var(name='fc.w')
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        self.assertEqual(core.VarDesc.VarType.FP64, w.dtype)
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        self.assertEqual((784, 100), w.shape)
        self.assertEqual("fc.w", w.name)
        self.assertEqual(0, w.lod_level)

        self.assertRaises(ValueError,
                          lambda: b.create_var(name="fc.w", shape=(24, 100)))

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    def test_step_scopes(self):
        prog = Program()
        b = prog.current_block()
        var = b.create_var(
            name='step_scopes', type=core.VarDesc.VarType.STEP_SCOPES)
        self.assertEqual(core.VarDesc.VarType.STEP_SCOPES, var.type)

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if __name__ == '__main__':
    unittest.main()