transaction_constructor_test.cpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
 
#include "interface/rdbc/transaction_constructor.h"
 
#include <glog/logging.h>
#include <gtest/gtest.h>
 
#include "common/crypto/signature_verifier.h"
#include "common/test/test_macros.h"
#include "platform/common/network/mock_socket.h"
#include "platform/proto/client_test.pb.h"
 
namespace resdb {
namespace {
 
using ::resdb::testing::EqualsProto;
using ::testing::_;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::Test;
 
std::string GenerateRequestData(const ClientTestRequest& client_request,
                                bool need_resp = false) {
  ResDBMessage message;
 
  Request request;
  request.set_type(Request::TYPE_CLIENT_REQUEST);
  request.set_need_response(need_resp);
  client_request.SerializeToString(request.mutable_data());
  request.SerializeToString(message.mutable_data());
 
  std::string request_data;
  message.SerializeToString(&request_data);
 
  return request_data;
}
 
std::string GenerateResponseData(const ClientTestResponse& client_responses) {
  std::string response_data;
  client_responses.SerializeToString(&response_data);
  return response_data;
}
 
class UserClientTest : public Test {
 public:
  UserClientTest() {
    self_info_.set_ip("127.0.0.1");
    self_info_.set_port(1234);
 
    dest_info_.set_ip("127.0.0.1");
    dest_info_.set_port(1235);
    replicas_.push_back(dest_info_);
 
    KeyInfo private_key;
    private_key.set_key("private_key");
    config_ = std::make_unique<ResDBConfig>(replicas_, self_info_, private_key,
                                            CertificateInfo());
    config_->SetClientTimeoutMs(10000);
  }
 
 protected:
  ReplicaInfo dest_info_;
  ReplicaInfo self_info_;
  std::vector<ReplicaInfo> replicas_;
  std::unique_ptr<ResDBConfig> config_;
};
 
TEST_F(UserClientTest, OnlySendRequestOK) {
  ClientTestRequest client_request;
  client_request.set_value("test_value");
 
  std::unique_ptr<MockSocket> socket = std::make_unique<MockSocket>();
  EXPECT_CALL(*socket, Connect(dest_info_.ip(), dest_info_.port()))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Send(GenerateRequestData(client_request)))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Recv(_, _)).Times(0);
 
  TransactionConstructor client(*config_);
  client.SetSocket(std::move(socket));
  client.SetSignatureVerifier(nullptr);
 
  int ret = client.SendRequest(client_request, Request::TYPE_CLIENT_REQUEST);
  EXPECT_EQ(ret, 0);
}
 
TEST_F(UserClientTest, GetResponse) {
  ClientTestRequest client_request;
  client_request.set_value("test_value");
 
  ClientTestResponse client_response, expected_response;
  expected_response.set_value("ack");
 
  std::unique_ptr<MockSocket> socket = std::make_unique<MockSocket>();
  EXPECT_CALL(*socket, Connect(dest_info_.ip(), dest_info_.port()))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Send(GenerateRequestData(client_request, true)))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Recv(_, _))
      .WillOnce(Invoke([&](void** buf, size_t* len) {
        ClientTestResponse response;
        response.set_value("ack");
 
        std::string resp_str = GenerateResponseData(response);
 
        *len = resp_str.size();
        *buf = malloc(*len);
        memcpy(*buf, resp_str.c_str(), *len);
        return *len;
      }));
 
  TransactionConstructor client(*config_);
  client.SetSocket(std::move(socket));
  EXPECT_EQ(client.SendRequest(client_request, &client_response,
                               Request::TYPE_CLIENT_REQUEST),
            0);
  EXPECT_THAT(client_response, EqualsProto(expected_response));
}
 
TEST_F(UserClientTest, RecvResponseFail) {
  ClientTestRequest client_request;
  client_request.set_value("test_value");
 
  ClientTestResponse client_response;
 
  std::unique_ptr<MockSocket> socket = std::make_unique<MockSocket>();
  EXPECT_CALL(*socket, Connect(dest_info_.ip(), dest_info_.port()))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Send(GenerateRequestData(client_request, true)))
      .WillOnce(Return(0));
  EXPECT_CALL(*socket, Recv(_, _)).WillOnce(Return(-1));
 
  TransactionConstructor client(*config_);
  client.SetSocket(std::move(socket));
 
  EXPECT_NE(client.SendRequest(client_request, &client_response,
                               Request::TYPE_CLIENT_REQUEST),
            0);
}
 
}  // namespace
 
}  // namespace resdb