sqlgen/tests/postgres/test_write_and_read_pool.cpp

#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY

#include <gtest/gtest.h>

#include <rfl.hpp>
#include <rfl/json.hpp>
#include <sqlgen.hpp>
#include <sqlgen/postgres.hpp>
#include <vector>

namespace test_write_and_read_pool {

struct Person {
  sqlgen::PrimaryKey<uint32_t> id;
  std::string first_name;
  std::string last_name;
  int age;
};

TEST(postgres, test_write_and_read_pool) {
  const auto people1 = std::vector<Person>(
      {Person{
           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
       Person{
           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0}});

  const auto pool_config = sqlgen::ConnectionPoolConfig{.size = 2};

  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
                                                         .password = "password",
                                                         .host = "localhost",
                                                         .dbname = "postgres"};

  const auto pool = sqlgen::make_connection_pool<sqlgen::postgres::Connection>(
      pool_config, credentials);

  using namespace sqlgen;
  using namespace sqlgen::literals;

  const auto people2 = session(pool)
                           .and_then(drop<Person> | if_exists)
                           .and_then(write(std::ref(people1)))
                           .and_then(sqlgen::read<std::vector<Person>>)
                           .value();

  EXPECT_EQ(pool.value().available(), 2);

  const auto json1 = rfl::json::write(people1);
  const auto json2 = rfl::json::write(people2);

  EXPECT_EQ(json1, json2);
}

}  // namespace test_write_and_read_pool

#endif