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# Copyright 2017 The TensorFlow 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.
# ==============================================================================
"""Tests for tf.GrpcServer."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.python.client import session
from tensorflow.python.framework import ops
from tensorflow.python.ops import math_ops
from tensorflow.python.ops import variables
from tensorflow.python.platform import test
from tensorflow.python.training import server_lib
class SameVariablesNoClearTest(test.TestCase):
# Verifies behavior of multiple variables with multiple sessions connecting to
# the same server.
# TODO(b/34465411): Starting multiple servers with different configurations
# in the same test is flaky. Move this test case back into
# "server_lib_test.py" when this is no longer the case.
def testSameVariablesNoClear(self):
server = server_lib.Server.create_local_server()
with session.Session(server.target) as sess_1:
v0 = variables.VariableV1([[2, 1]], name="v0")
v1 = variables.VariableV1([[1], [2]], name="v1")
v2 = math_ops.matmul(v0, v1)
sess_1.run([v0.initializer, v1.initializer])
self.assertAllEqual([[4]], sess_1.run(v2))
with session.Session(server.target) as sess_2:
new_v0 = ops.get_default_graph().get_tensor_by_name("v0:0")
new_v1 = ops.get_default_graph().get_tensor_by_name("v1:0")
new_v2 = math_ops.matmul(new_v0, new_v1)
self.assertAllEqual([[4]], sess_2.run(new_v2))
if __name__ == "__main__":
test.main()
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