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test_transaction.cpp

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    test_transaction.cpp 24.67 KiB 
    /*
 * This file is a part of the CaosDB Project.
 *
 * Copyright (C) 2021 Timm Fitschen <t.fitschen@indiscale.com>
 * Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 */
#include "caosdb/connection.h" // for Connection, ConnectionManager
#include "caosdb/entity.h"     // for Entity, Messages, Message
#include "caosdb/file_transmission/file_writer.h" // for FileWriter
#include "caosdb/message_code.h"       // for ENTITY_DOES_NOT_EXIST, Messag...
#include "caosdb/status_code.h"        // for SUCCESS, StatusCode
#include "caosdb/transaction.h"        // for Entity, Transaction,...
#include "caosdb/transaction_status.h" // for TransactionStatus, StatusCode
#include <boost/filesystem/operations.hpp>  // for remove
#include <boost/filesystem/path.hpp>        // for path
#include <boost/filesystem/path_traits.hpp> // for filesystem
#include <gtest/gtest-message.h>            // for Message
#include <gtest/gtest-test-part.h> // for TestPartResult, SuiteApiResolver
#include <gtest/gtest_pred_impl.h> // for Test, EXPECT_EQ, AssertionResult
#include <iostream>
#include <memory> // for unique_ptr, allocator, __shar...
#include <string> // for string
#include <vector> // for vector

namespace fs = boost::filesystem;
namespace caosdb::transaction {
using caosdb::entity::Entity;
using caosdb::entity::MessageCode;
using caosdb::entity::Parent;
using caosdb::entity::Property;

class test_transaction : public ::testing::Test {
protected:
  fs::path test_upload_file_1;
  fs::path test_download_file_1;

  void SetUp() override {
    test_upload_file_1 = fs::path("test_upload_file_1_delete_me.dat");
    test_download_file_1 = fs::path("test_download_file_1_delete_me.dat");

    FileWriter writer(test_upload_file_1);
    std::string buffer(1024, 'c');
    for (int i = 0; i < 8; i++) {
      writer.write(buffer);
    }
  }

  void TearDown() override {
    fs::remove(test_upload_file_1);
    fs::remove(test_download_file_1);

    const auto &connection =
      caosdb::connection::ConnectionManager::GetDefaultConnection();
    auto query_transaction(connection->CreateTransaction());
    query_transaction->Query("FIND ENTITY WITH id > 99");
    query_transaction->Execute();
        if (query_transaction->GetResultSet().size() > 0) {
      auto delete_transaction(connection->CreateTransaction());
      for (const Entity &entity : query_transaction->GetResultSet()) {
        delete_transaction->DeleteById(entity.GetId());
      }
      delete_transaction->Execute();
    }
  }
};

TEST_F(test_transaction, DISABLED_retrieve_manufacturer_by_id) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  const auto *id = "107";
  const auto *role = "RecordType";
  const auto *name = "Manufacturer";
  const auto *description = "A generic manufacturer of all kinds of products";
  const auto *version = "0bea8f7b17f0130fa5701a6c3849b9f8bfa0651b";

  auto transaction(connection->CreateTransaction());
  transaction->RetrieveById(id);
  transaction->Execute();

  const auto &result_set = transaction->GetResultSet();

  const auto &entity = result_set.at(0);
  EXPECT_EQ(id, entity.GetId());
  EXPECT_EQ(name, entity.GetName());
  EXPECT_EQ(role, entity.GetRole());
  EXPECT_EQ(description, entity.GetDescription());
  EXPECT_EQ(version, entity.GetVersionId());
}

TEST_F(test_transaction, retrieve_non_existing) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto transaction(connection->CreateTransaction());

  const auto *id = "non-existing-id";
  transaction->RetrieveById(id);
  transaction->ExecuteAsynchronously();

  auto status = transaction->WaitForIt();
  EXPECT_EQ(status.GetCode(), TransactionStatus::TRANSACTION_ERROR().GetCode());
  ASSERT_EQ(status.GetCode(), StatusCode::GENERIC_TRANSACTION_ERROR);

  const auto &result_set = transaction->GetResultSet();

  const auto &entity = result_set.at(0);
  EXPECT_EQ(id, entity.GetId());
  EXPECT_TRUE(entity.HasErrors());
  ASSERT_EQ(entity.GetErrors().size(), 1);
  EXPECT_EQ(entity.GetErrors().at(0).GetCode(),
            MessageCode::ENTITY_DOES_NOT_EXIST);
}

TEST_F(test_transaction, insert_without_delete) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto insert_transaction(connection->CreateTransaction());

  Entity entity;
  entity.SetRole("RecordType");
  entity.SetName("RT1");
  insert_transaction->InsertEntity(&entity);
  insert_transaction->ExecuteAsynchronously();

      auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  ASSERT_FALSE(insert_status.IsError());

  const auto &insert_result_set = insert_transaction->GetResultSet();

  const auto &new_entity = insert_result_set.at(0);
  EXPECT_FALSE(new_entity.GetId().empty());
  EXPECT_FALSE(new_entity.HasErrors());
  // Should have a warning since it has no properties
  EXPECT_TRUE(new_entity.HasWarnings());
  EXPECT_EQ(new_entity.GetWarnings().size(), 1);
  EXPECT_EQ(new_entity.GetWarnings().at(0).GetCode(),
            MessageCode::ENTITY_HAS_NO_PROPERTIES);
}

TEST_F(test_transaction, insert_delete) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto insert_transaction(connection->CreateTransaction());

  Entity entity;
  entity.SetRole("RecordType");
  entity.SetName("RT1");
  insert_transaction->InsertEntity(&entity);
  insert_transaction->ExecuteAsynchronously();

  auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  ASSERT_FALSE(insert_status.IsError());

  const auto &insert_result_set = insert_transaction->GetResultSet();

  const auto &new_entity = insert_result_set.at(0);
  EXPECT_FALSE(new_entity.GetId().empty());
  EXPECT_FALSE(new_entity.HasErrors());
  // Should have a warning since it has no properties
  EXPECT_TRUE(new_entity.HasWarnings());
  EXPECT_EQ(new_entity.GetWarnings().size(), 1);
  EXPECT_EQ(new_entity.GetWarnings().at(0).GetCode(),
            MessageCode::ENTITY_HAS_NO_PROPERTIES);

  auto delete_transaction(connection->CreateTransaction());

  delete_transaction->DeleteById(new_entity.GetId());
  delete_transaction->ExecuteAsynchronously();

  auto delete_status = delete_transaction->WaitForIt();

  ASSERT_TRUE(delete_status.IsTerminated());
  ASSERT_FALSE(delete_status.IsError());

  const auto &delete_result_set = delete_transaction->GetResultSet();

  const auto &deleted_entity = delete_result_set.at(0);
  EXPECT_EQ(deleted_entity.GetId(), new_entity.GetId());
  EXPECT_FALSE(deleted_entity.HasErrors());
}

TEST_F(test_transaction, insert_delete_with_parent) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto insert_transaction(connection->CreateTransaction());

  Entity rt;
  rt.SetRole("RecordType");
      rt.SetName("TestRT");
  insert_transaction->InsertEntity(&rt);
  insert_transaction->ExecuteAsynchronously();

  auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  ASSERT_FALSE(insert_status.IsError());

  const auto &insert_result_set = insert_transaction->GetResultSet();

  const auto &inserted_rt = insert_result_set.at(0);

  Entity rec;
  rec.SetRole("Record");
  rec.SetName("TestRec");

  Parent parent;
  parent.SetName(rt.GetName());
  parent.SetId(inserted_rt.GetId());
  rec.AppendParent(parent);

  auto rec_transaction(connection->CreateTransaction());
  rec_transaction->InsertEntity(&rec);
  rec_transaction->ExecuteAsynchronously();

  auto rec_insert_status = rec_transaction->WaitForIt();

  ASSERT_TRUE(rec_insert_status.IsTerminated());
  ASSERT_FALSE(rec_insert_status.IsError());

  const auto &rec_result_set = rec_transaction->GetResultSet();

  const auto &inserted_rec = rec_result_set.at(0);

  EXPECT_FALSE(inserted_rec.GetId().empty());

  auto retrieve_transaction(connection->CreateTransaction());
  retrieve_transaction->RetrieveById(inserted_rec.GetId());

  retrieve_transaction->ExecuteAsynchronously();

  auto rec_retrieve_status = retrieve_transaction->WaitForIt();

  ASSERT_TRUE(rec_retrieve_status.IsTerminated());
  ASSERT_FALSE(rec_retrieve_status.IsError());

  const auto &retrieve_result_set = retrieve_transaction->GetResultSet();
  const auto &retrieved_rec = retrieve_result_set.at(0);

  EXPECT_EQ(retrieved_rec.GetName(), rec.GetName());
  EXPECT_EQ(retrieved_rec.GetParents().size(), 1);
  EXPECT_EQ(retrieved_rec.GetParents().at(0).GetId(), inserted_rt.GetId());
  EXPECT_EQ(retrieved_rec.GetParents().at(0).GetName(), rt.GetName());

  auto rec_deletion(connection->CreateTransaction());

  rec_deletion->DeleteById(retrieved_rec.GetId());
  rec_deletion->ExecuteAsynchronously();

  auto rec_delete_status = rec_deletion->WaitForIt();

  ASSERT_TRUE(rec_delete_status.IsTerminated());
  ASSERT_FALSE(rec_delete_status.IsError());

  auto rt_deletion(connection->CreateTransaction());

  rt_deletion->DeleteById(inserted_rt.GetId());
  rt_deletion->ExecuteAsynchronously();

      auto rt_delete_status = rt_deletion->WaitForIt();

  ASSERT_TRUE(rt_delete_status.IsTerminated());
  ASSERT_FALSE(rt_delete_status.IsError());
}

TEST_F(test_transaction, insert_delete_with_property) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  // Create and insert property
  Entity prop_ent;
  prop_ent.SetRole("Property");
  prop_ent.SetName("TestProperty");
  prop_ent.SetDatatype("TEXT");

  auto prop_insertion(connection->CreateTransaction());
  prop_insertion->InsertEntity(&prop_ent);
  prop_insertion->ExecuteAsynchronously();

  auto prop_insert_status = prop_insertion->WaitForIt();

  ASSERT_TRUE(prop_insert_status.IsTerminated());
  ASSERT_FALSE(prop_insert_status.IsError());

  const auto &prop_result_set = prop_insertion->GetResultSet();

  const auto &inserted_prop = prop_result_set.at(0);
  EXPECT_FALSE(inserted_prop.GetId().empty());

  // create and insert record type with the above property
  Property prop_rt;
  prop_rt.SetName(prop_ent.GetName());
  prop_rt.SetId(inserted_prop.GetId());
  prop_rt.SetImportance("SUGGESTED");

  Entity rt;
  rt.SetRole("RecordType");
  rt.SetName("TestRT");
  rt.SetDescription("Some description");
  rt.AppendProperty(prop_rt);

  auto rt_insertion(connection->CreateTransaction());
  rt_insertion->InsertEntity(&rt);
  rt_insertion->ExecuteAsynchronously();

  auto rt_insert_status = rt_insertion->WaitForIt();

  ASSERT_TRUE(rt_insert_status.IsTerminated());
  ASSERT_FALSE(rt_insert_status.IsError());

  const auto &rt_result_set = rt_insertion->GetResultSet();

  const auto &inserted_rt = rt_result_set.at(0);
  EXPECT_FALSE(inserted_rt.GetId().empty());

  // retrieve inserted rt for testing
  auto rt_retrieval(connection->CreateTransaction());
  rt_retrieval->RetrieveById(inserted_rt.GetId());
  rt_retrieval->ExecuteAsynchronously();

  auto rt_retrieve_status = rt_retrieval->WaitForIt();
  ASSERT_TRUE(rt_retrieve_status.IsTerminated());
  ASSERT_FALSE(rt_retrieve_status.IsError());

  const auto &rt_retrieve_results = rt_retrieval->GetResultSet();

  const auto &retrieved_rt = rt_retrieve_results.at(0);
  EXPECT_EQ(inserted_rt.GetId(), retrieved_rt.GetId());
  EXPECT_EQ(rt.GetName(), retrieved_rt.GetName());
      EXPECT_EQ(rt.GetDescription(), retrieved_rt.GetDescription());
  EXPECT_EQ(retrieved_rt.GetProperties().size(), 1);

  const auto &retrieved_prop_rt = retrieved_rt.GetProperties().at(0);
  EXPECT_EQ(retrieved_prop_rt.GetName(), prop_ent.GetName());
  EXPECT_EQ(retrieved_prop_rt.GetId(), inserted_prop.GetId());
  EXPECT_EQ(retrieved_prop_rt.GetDatatype(), prop_ent.GetDatatype());
  EXPECT_EQ(retrieved_prop_rt.GetImportance(), prop_rt.GetImportance());

  // create and insert record of the above record type with a property
  // with a value.
  Parent parent;
  parent.SetName(rt.GetName());
  parent.SetId(inserted_rt.GetId());

  Property prop_rec;
  prop_rec.SetName(prop_ent.GetName());
  prop_rec.SetId(inserted_prop.GetId());
  prop_rec.SetValue("Test");

  Entity rec;
  rec.SetName("TestRec");
  rec.SetRole("Record");
  rec.AppendParent(parent);
  rec.AppendProperty(prop_rec);

  auto rec_insertion(connection->CreateTransaction());
  rec_insertion->InsertEntity(&rec);
  rec_insertion->ExecuteAsynchronously();

  auto rec_insert_status = rec_insertion->WaitForIt();

  ASSERT_TRUE(rec_insert_status.IsTerminated());
  ASSERT_FALSE(rec_insert_status.IsError());

  const auto &rec_result_set = rec_insertion->GetResultSet();

  const auto &inserted_rec = rec_result_set.at(0);
  EXPECT_FALSE(inserted_rec.GetId().empty());

  // Retrieve the record and verify paretn and property
  auto rec_retrieval(connection->CreateTransaction());
  rec_retrieval->RetrieveById(inserted_rec.GetId());
  rec_retrieval->ExecuteAsynchronously();

  auto rec_retrieve_status = rec_retrieval->WaitForIt();
  ASSERT_TRUE(rec_retrieve_status.IsTerminated());
  ASSERT_FALSE(rec_retrieve_status.IsError());

  const auto &rec_retrieve_results = rec_retrieval->GetResultSet();

  const auto &retrieved_rec = rec_retrieve_results.at(0);
  EXPECT_EQ(rec.GetName(), retrieved_rec.GetName());
  EXPECT_EQ(inserted_rec.GetId(), retrieved_rec.GetId());
  EXPECT_EQ(retrieved_rec.GetParents().size(), 1);
  EXPECT_EQ(retrieved_rec.GetProperties().size(), 1);

  const auto &retrieved_parent_rec = retrieved_rec.GetParents().at(0);
  EXPECT_EQ(retrieved_parent_rec.GetName(), rt.GetName());
  EXPECT_EQ(retrieved_parent_rec.GetId(), inserted_rt.GetId());
  EXPECT_EQ(retrieved_parent_rec.GetDescription(), rt.GetDescription());

  const auto &retrieved_prop_rec = retrieved_rec.GetProperties().at(0);
  EXPECT_EQ(retrieved_prop_rec.GetName(), prop_ent.GetName());
  EXPECT_EQ(retrieved_prop_rec.GetId(), inserted_prop.GetId());
  EXPECT_EQ(retrieved_prop_rec.GetDatatype(), prop_ent.GetDatatype());
  EXPECT_EQ(retrieved_prop_rec.GetValue(), prop_rec.GetValue());
}

TEST_F(test_transaction, test_multi_retrieve) {
      const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto transaction(connection->CreateTransaction());

  const std::vector<std::string> ids = {"20", "21", "22"};
  transaction->RetrieveById(ids.begin(), ids.end());
  transaction->ExecuteAsynchronously();

  auto status = transaction->WaitForIt();

  ASSERT_TRUE(status.IsTerminated());
  // Should have an error since entity 22 doesn't exist
  ASSERT_TRUE(status.IsError());

  const auto &result_set = transaction->GetResultSet();

  EXPECT_EQ(result_set.size(), 3);
  EXPECT_EQ(result_set.at(1).GetId(), "21");
  EXPECT_EQ(result_set.at(1).GetName(), "unit");
  // Exists so should be fine ...
  EXPECT_FALSE(result_set.at(1).HasErrors());

  // ... but this does not
  EXPECT_EQ(result_set.at(2).GetId(), "22");
  EXPECT_TRUE(result_set.at(2).HasErrors());
  EXPECT_EQ(result_set.at(2).GetErrors().at(0).GetCode(),
            MessageCode::ENTITY_DOES_NOT_EXIST);
}

TEST_F(test_transaction, insert_update_delete) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  // INSERT
  auto insert_transaction(connection->CreateTransaction());

  Entity entity;
  entity.SetRole("RecordType");
  entity.SetName("RT1");
  insert_transaction->InsertEntity(&entity);
  insert_transaction->ExecuteAsynchronously();

  auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  ASSERT_FALSE(insert_status.IsError());

  const auto &insert_result_set = insert_transaction->GetResultSet();

  const auto &new_entity = insert_result_set.at(0);
  EXPECT_FALSE(new_entity.GetId().empty());
  EXPECT_FALSE(new_entity.HasErrors());

  // RETRIEVE
  auto retrieve_transaction(connection->CreateTransaction());
  retrieve_transaction->RetrieveById(new_entity.GetId());
  retrieve_transaction->Execute();

  // UPDATE
  auto update_transaction(connection->CreateTransaction());
  auto update_entity(retrieve_transaction->GetResultSet().at(0));
  update_entity.SetName("RT1-Update");

  update_transaction->UpdateEntity(&update_entity);
  update_transaction->ExecuteAsynchronously();

  auto update_status = update_transaction->WaitForIt();
  ASSERT_TRUE(update_status.IsTerminated());
  ASSERT_FALSE(update_status.IsError());
    
  EXPECT_EQ(update_transaction->GetResultSet().size(), 1);
  const auto &updated_entity = update_transaction->GetResultSet().at(0);

  EXPECT_EQ(updated_entity.GetId(), new_entity.GetId());
  EXPECT_FALSE(updated_entity.HasErrors());

  // DELETE
  auto delete_transaction(connection->CreateTransaction());

  delete_transaction->DeleteById(new_entity.GetId());
  delete_transaction->ExecuteAsynchronously();

  auto delete_status = delete_transaction->WaitForIt();

  ASSERT_TRUE(delete_status.IsTerminated());
  ASSERT_FALSE(delete_status.IsError());

  const auto &delete_result_set = delete_transaction->GetResultSet();

  const auto &deleted_entity = delete_result_set.at(0);
  EXPECT_EQ(deleted_entity.GetId(), new_entity.GetId());
  EXPECT_FALSE(deleted_entity.HasErrors());
}

TEST_F(test_transaction, test_query) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  auto insert_transaction(connection->CreateTransaction());

  Entity entity;
  entity.SetRole("RecordType");
  entity.SetName("RT1");
  insert_transaction->InsertEntity(&entity);
  insert_transaction->ExecuteAsynchronously();

  auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  ASSERT_FALSE(insert_status.IsError());

  const auto &insert_result_set = insert_transaction->GetResultSet();

  const auto &new_entity = insert_result_set.at(0);
  EXPECT_FALSE(new_entity.GetId().empty());
  EXPECT_FALSE(new_entity.HasErrors());

  auto query_transaction(connection->CreateTransaction());
  query_transaction->Query("FIND ENTITY WITH id = " + new_entity.GetId());
  query_transaction->Execute();
  EXPECT_EQ(query_transaction->GetResultSet().size(), 1);
  EXPECT_EQ(query_transaction->GetResultSet().at(0).GetId(),
            new_entity.GetId());
  // No count query, so no count result should be present
  EXPECT_TRUE((query_transaction->GetCountResult() < 0));

  auto count_query_trans(connection->CreateTransaction());
  std::cout << "Creating count query ..." << std::endl;
  count_query_trans->Query("COUNT ENTITY WITH id = " + new_entity.GetId());
  std::cout << "Executing count query ..." << std::endl;
  count_query_trans->Execute();
  // No result set in a count query
  EXPECT_EQ(count_query_trans->GetResultSet().size(), 0);
  EXPECT_EQ(count_query_trans->GetCountResult(), 1);
}

TEST_F(test_transaction, test_query_with_retrieve) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();
    
  // rt1
  Entity rt1;
  rt1.SetRole("RecordType");
  rt1.SetName("TestRT1");

  auto insert_rt1_transaction(connection->CreateTransaction());
  insert_rt1_transaction->InsertEntity(&rt1);
  insert_rt1_transaction->ExecuteAsynchronously();

  auto insert_rt1_status = insert_rt1_transaction->WaitForIt();

  ASSERT_TRUE(insert_rt1_status.IsTerminated());
  ASSERT_FALSE(insert_rt1_status.IsError());

  const auto &insert_rt1_results = insert_rt1_transaction->GetResultSet();

  const auto &inserted_rt1 = insert_rt1_results.at(0);
  EXPECT_FALSE(inserted_rt1.GetId().empty());
  EXPECT_FALSE(inserted_rt1.HasErrors());

  // rt2
  Entity rt2;
  rt2.SetRole("RecordType");
  rt2.SetName("TestRT2");

  auto insert_rt2_transaction(connection->CreateTransaction());
  insert_rt2_transaction->InsertEntity(&rt2);
  insert_rt2_transaction->ExecuteAsynchronously();

  auto insert_rt2_status = insert_rt2_transaction->WaitForIt();

  ASSERT_TRUE(insert_rt2_status.IsTerminated());
  ASSERT_FALSE(insert_rt2_status.IsError());

  const auto &insert_rt2_results = insert_rt2_transaction->GetResultSet();

  const auto &inserted_rt2 = insert_rt2_results.at(0);
  EXPECT_FALSE(inserted_rt2.GetId().empty());
  EXPECT_FALSE(inserted_rt2.HasErrors());

  // rt3
  Entity rt3;
  rt3.SetRole("RecordType");
  rt3.SetName("TestRT3");

  auto insert_rt3_transaction(connection->CreateTransaction());
  insert_rt3_transaction->InsertEntity(&rt3);
  insert_rt3_transaction->ExecuteAsynchronously();

  auto insert_rt3_status = insert_rt3_transaction->WaitForIt();

  ASSERT_TRUE(insert_rt3_status.IsTerminated());
  ASSERT_FALSE(insert_rt3_status.IsError());

  const auto &insert_rt3_results = insert_rt3_transaction->GetResultSet();

  const auto &inserted_rt3 = insert_rt3_results.at(0);
  EXPECT_FALSE(inserted_rt3.GetId().empty());
  EXPECT_FALSE(inserted_rt3.HasErrors());

  // only FIND
  auto find_transaction(connection->CreateTransaction());
  find_transaction->Query("FIND ENTITY WITH name LIKE 'TestRT*'");
  find_transaction->ExecuteAsynchronously();

  const auto find_status = find_transaction->WaitForIt();

  ASSERT_TRUE(find_status.IsTerminated());
  ASSERT_FALSE(find_status.IsError());
    
  const auto &find_results = find_transaction->GetResultSet();
  EXPECT_EQ(find_results.size(), 3);

  // only retrieve rt1 and rt2 by id
  const std::vector<std::string> ids = {inserted_rt1.GetId(),
                                        inserted_rt2.GetId()};

  // retrieve rt3 with a FIND query
  auto find_and_retrieve(connection->CreateTransaction());
  find_and_retrieve->Query("FIND ENTITY WITH id = " + inserted_rt3.GetId());
  find_and_retrieve->RetrieveById(ids.begin(), ids.end());
  find_and_retrieve->ExecuteAsynchronously();

  auto find_and_retrieve_status = find_and_retrieve->WaitForIt();

  ASSERT_TRUE(find_and_retrieve_status.IsTerminated());
  ASSERT_FALSE(find_and_retrieve_status.IsError());

  const auto &result_set_a = find_and_retrieve->GetResultSet();
  EXPECT_EQ(result_set_a.size(), 3);

  // retrieve rt1 and rt2 by ID and count all TestRTs
  auto count_and_retrieve(connection->CreateTransaction());
  count_and_retrieve->Query("COUNT ENTITY WITH name LIKE 'TestRT*'");
  count_and_retrieve->RetrieveById(ids.begin(), ids.end());
  count_and_retrieve->ExecuteAsynchronously();

  auto count_and_retrieve_status = count_and_retrieve->WaitForIt();

  ASSERT_TRUE(count_and_retrieve_status.IsTerminated());
  ASSERT_FALSE(count_and_retrieve_status.IsError());

  const auto &result_set_b = count_and_retrieve->GetResultSet();
  // TODO(fspreck) Re-enable once we implemented this
  // EXPECT_EQ(result_set_b.size(), 2);
  EXPECT_EQ(count_and_retrieve->GetCountResult(), 3);
}

TEST_F(test_transaction, test_file_upload) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  Entity file;
  file.SetRole("File");
  file.SetFilePath("test.txt");
  file.SetLocalPath(test_upload_file_1);

  auto insert_transaction(connection->CreateTransaction());
  insert_transaction->InsertEntity(&file);
  insert_transaction->ExecuteAsynchronously();

  auto insert_status = insert_transaction->WaitForIt();

  ASSERT_TRUE(insert_status.IsTerminated());
  EXPECT_EQ(insert_status.GetCode(), StatusCode::SUCCESS);

  const auto &insert_results = insert_transaction->GetResultSet();

  const auto &inserted_file = insert_results.at(0);
  EXPECT_FALSE(inserted_file.GetId().empty());
  EXPECT_FALSE(inserted_file.HasErrors());
}

TEST_F(test_transaction, test_file_download) {
  const auto &connection =
    caosdb::connection::ConnectionManager::GetDefaultConnection();

  Entity file;
  file.SetRole("File");
      file.SetFilePath("test.txt");
  file.SetLocalPath(test_upload_file_1);

  auto insert_transaction(connection->CreateTransaction());
  insert_transaction->InsertEntity(&file);
  insert_transaction->Execute();

  const auto &insert_results = insert_transaction->GetResultSet();

  const auto &inserted_file = insert_results.at(0);
  ASSERT_FALSE(inserted_file.GetId().empty());
  ASSERT_FALSE(inserted_file.HasErrors());

  auto download_transaction(connection->CreateTransaction());
  download_transaction->RetrieveAndDownloadFilesById(
    inserted_file.GetId(), test_download_file_1.string());
  download_transaction->ExecuteAsynchronously();
  ASSERT_EQ(download_transaction->WaitForIt().GetCode(), StatusCode::SUCCESS);

  const auto &download_results = download_transaction->GetResultSet();
  ASSERT_EQ(download_results.size(), 1);

  const auto &downloaded_file = download_results.at(0);
  ASSERT_FALSE(downloaded_file.GetId().empty());
  ASSERT_FALSE(downloaded_file.HasErrors());
  EXPECT_EQ(downloaded_file.GetLocalPath().string(),
            test_download_file_1.string());
}

} // namespace caosdb::transaction