/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/core/public/session.h"
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#include "tensorflow/core/common_runtime/session_factory.h"
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#include "tensorflow/core/lib/strings/str_util.h"
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#include "tensorflow/core/platform/test.h"
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#include "tensorflow/core/public/session_options.h"
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namespace tensorflow {
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namespace {
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TEST(SessionTest, InvalidTargetReturnsNull) {
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SessionOptions options;
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options.target = "invalid target";
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EXPECT_EQ(nullptr, tensorflow::NewSession(options));
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Session* session;
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Status s = tensorflow::NewSession(options, &session);
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EXPECT_EQ(s.code(), error::NOT_FOUND);
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EXPECT_TRUE(str_util::StrContains(
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s.error_message(),
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"No session factory registered for the given session options"));
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}
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// Register a fake session factory to test error handling paths in
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// NewSession().
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class FakeSessionFactory : public SessionFactory {
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public:
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FakeSessionFactory() {}
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bool AcceptsOptions(const SessionOptions& options) override {
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return str_util::StartsWith(options.target, "fake");
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}
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Status NewSession(const SessionOptions& options,
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Session** out_session) override {
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*out_session = nullptr;
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return Status::OK();
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}
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};
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class FakeSessionRegistrar {
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public:
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FakeSessionRegistrar() {
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SessionFactory::Register("FAKE_SESSION_1", new FakeSessionFactory());
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SessionFactory::Register("FAKE_SESSION_2", new FakeSessionFactory());
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}
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};
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static FakeSessionRegistrar registrar;
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TEST(SessionTest, MultipleFactoriesForTarget) {
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SessionOptions options;
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options.target = "fakesession";
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Session* session;
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Status s = tensorflow::NewSession(options, &session);
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EXPECT_EQ(s.code(), error::INTERNAL);
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EXPECT_TRUE(
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str_util::StrContains(s.error_message(), "Multiple session factories"));
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EXPECT_TRUE(str_util::StrContains(s.error_message(), "FAKE_SESSION_1"));
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EXPECT_TRUE(str_util::StrContains(s.error_message(), "FAKE_SESSION_2"));
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}
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} // namespace
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} // namespace tensorflow
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