computer_attribute.cpp

Go to the documentation of this file.

#include "common.h"

#include <opc/ua/client/remote_server.h>
#include <opc/ua/object_ids.h>

#include <stdexcept>

using namespace OpcUa;


class Attribute : public ::testing::Test
{
protected:
  Attribute()
  {
  }

  virtual void SetUp()
  {
    Server = Connect(GetEndpoint());

    if (!Server)
      {
        return;
      }

    RemoteSessionParameters session;
    session.ClientDescription.Name.Text = "opcua view service test";
    session.SessionName = "opua test";
    session.EndpointUrl = GetEndpoint();
    session.Timeout = 1000;

    Server->CreateSession(session);
    Server->ActivateSession();

    Service = Server->Attributes();
  }

  virtual void TearDown()
  {
    Service = std::unique_ptr<AttributeServices>();

    if (Server)
      {
        Server->CloseSession();
        Server.reset();
      }
  }

protected:
  std::unique_ptr<Services> Server;
  std::shared_ptr<AttributeServices> Service;
};



TEST_F(Attribute, Read)
{
  using namespace OpcUa;
  ASSERT_TRUE(static_cast<bool>(Service));


  ReadValueId id;
  id.Node.Encoding = EV_TWO_BYTE;
  id.Node.TwoByteData.Identifier = static_cast<uint8_t>(ObjectId::ObjectsFolder);
  id.Attribute = AttributeId::BrowseName;

  OpcUa::ReadParameters params;
  params.AttributesToRead.push_back(id);

  const std::vector<DataValue> values = Service->Read(params);
  ASSERT_EQ(values.size(), 1);
  EXPECT_TRUE(values.at(0).Encoding & DATA_VALUE);
}

TEST_F(Attribute, Write)
{
  using namespace OpcUa;
  ASSERT_TRUE(static_cast<bool>(Service));

  WriteValue value;
  value.Node.Encoding = EV_TWO_BYTE;
  value.Node.TwoByteData.Identifier = static_cast<uint8_t>(ObjectId::ObjectsFolder);
  value.Attribute = AttributeId::BrowseName;

  const std::vector<StatusCode> codes = Service->Write(std::vector<WriteValue>(1, value));
  ASSERT_EQ(codes.size(), 1);
  EXPECT_NE(codes[0], StatusCode::Good);
}