Function TEST

tensorflow/core/util/stat_summarizer_test.cc:30–84

namespace {

TEST(StatSummarizerTest, ExtractsOpTypes) {
  // GraphDef for a single constant name 'myconstant'
  const std::string graph_def_str(R"EOF(
node {
  name: "myconstant"
  op: "Const"
  attr {
    key: "dtype"
    value {
      type: DT_FLOAT
    }
  }
  attr {
    key: "value"
    value {
      tensor {
        dtype: DT_FLOAT
        tensor_shape {
        }
        float_val: 1.0
      }
    }
  }
}
versions {
  producer: 21
}
  )EOF");
  GraphDef graph_def;
  ASSERT_TRUE(protobuf::TextFormat::ParseFromString(graph_def_str, &graph_def));

  std::unique_ptr<Session> session(NewSession(SessionOptions()));
  ASSERT_TRUE(session != nullptr);
  TF_ASSERT_OK(session->Create(graph_def));

  RunOptions run_options;
  run_options.set_trace_level(RunOptions::FULL_TRACE);

  RunMetadata run_metadata;
  std::vector<Tensor> outputs;
  TF_ASSERT_OK(session->Run(run_options, {}, {"myconstant:0"}, {}, &outputs,
                            &run_metadata));

  StatSummarizer stats(graph_def);
  stats.ProcessStepStats(run_metadata.step_stats());

  const std::string output = stats.GetOutputString();
  const std::string by_node_type = stats.GetStatsByNodeType();

  // output should contain both the node type and node name.
  ASSERT_TRUE(output.find("Const") != std::string::npos) << output;
  ASSERT_TRUE(output.find("myconstant") != std::string::npos) << output;
  // stats by node type should include the type.
  ASSERT_TRUE(by_node_type.find("Const") != std::string::npos) << by_node_type;
}

}  // namespace
}  // namespace tensorflow