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

79 lines
2.6 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
import unittest
import paddle
import paddle.fluid as fluid
import paddle.compat as cpt
import paddle.fluid.core as core
class TestException(unittest.TestCase):
def test_exception(self):
exception = None
try:
core.__unittest_throw_exception__()
except RuntimeError as ex:
self.assertIn("This is a test of exception",
cpt.get_exception_message(ex))
exception = ex
self.assertIsNotNone(exception)
class TestExceptionNoCStack(unittest.TestCase):
def setUp(self):
paddle.enable_static()
# test no C++ stack format
fluid.set_flags({'FLAGS_call_stack_level': 1})
def test_exception_in_static_mode(self):
x = fluid.layers.data(name='X', shape=[-1, 13], dtype='float32')
y = fluid.layers.data(name='Y', shape=[-1, 1], dtype='float32')
predict = fluid.layers.fc(input=x, size=1, act=None)
loss = fluid.layers.square_error_cost(input=predict, label=y)
avg_loss = fluid.layers.mean(loss)
fluid.optimizer.SGD(learning_rate=0.01).minimize(avg_loss)
place = fluid.CPUPlace()
exe = fluid.Executor(place)
exe.run(fluid.default_startup_program())
x = numpy.random.random(size=(8, 12)).astype('float32')
y = numpy.random.random(size=(8, 1)).astype('float32')
with self.assertRaises(ValueError):
exe.run(fluid.default_main_program(),
feed={'X': x,
'Y': y},
fetch_list=[avg_loss.name])
def test_exception_in_dynamic_mode(self):
place = fluid.CPUPlace()
with fluid.dygraph.guard(place):
x = numpy.random.random(size=(10, 2)).astype('float32')
linear = fluid.dygraph.Linear(1, 10)
data = fluid.dygraph.to_variable(x)
with self.assertRaises(ValueError):
res = linear(data)
if __name__ == "__main__":
unittest.main()