/* Copyright 2018 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/util/dump_graph.h"
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#include "tensorflow/core/graph/graph.h"
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#include "tensorflow/core/graph/node_builder.h"
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#include "tensorflow/core/lib/io/path.h"
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#include "tensorflow/core/lib/strings/proto_serialization.h"
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#include "tensorflow/core/platform/env.h"
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#include "tensorflow/core/platform/test.h"
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namespace tensorflow {
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namespace {
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TEST(DumpGraph, DumpGraphToFileSuccess) {
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Graph graph(OpRegistry::Global());
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Node* node;
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TF_CHECK_OK(NodeBuilder("A", "NoOp").Finalize(&graph, &node));
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setenv("TF_DUMP_GRAPH_PREFIX", testing::TmpDir().c_str(), 1);
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string ret = DumpGraphToFile("graph", graph);
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EXPECT_EQ(ret, io::JoinPath(testing::TmpDir(), "graph.pbtxt"));
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ret = DumpGraphToFile("graph", graph);
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EXPECT_EQ(ret, io::JoinPath(testing::TmpDir(), "graph_1.pbtxt"));
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GraphDef gdef;
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TF_CHECK_OK(ReadTextProto(
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Env::Default(), io::JoinPath(testing::TmpDir(), "graph.pbtxt"), &gdef));
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string read, written;
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gdef.AppendToString(&read);
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graph.ToGraphDefDebug().AppendToString(&written);
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EXPECT_EQ(read, written);
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}
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TEST(DumpGraph, DumpGraphToFileNoEnvPrefix) {
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Graph graph(OpRegistry::Global());
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unsetenv("TF_DUMP_GRAPH_PREFIX");
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string ret = DumpGraphToFile("graph", graph);
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EXPECT_EQ(ret, "(TF_DUMP_GRAPH_PREFIX not specified)");
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}
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TEST(DumpGraph, DumpFunctionDefToFileSuccess) {
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FunctionDef fdef;
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setenv("TF_DUMP_GRAPH_PREFIX", testing::TmpDir().c_str(), 1);
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string ret = DumpFunctionDefToFile("function", fdef);
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EXPECT_EQ(ret, io::JoinPath(testing::TmpDir(), "function.pbtxt"));
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}
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} // namespace
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} // namespace tensorflow
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