query/test/SessionRecordTest.cpp

#include <catch2/catch_test_macros.hpp>
#include <catch2/generators/catch_generators.hpp>
#include <catch2/catch_template_test_macros.hpp>

#include <matador/sql/condition.hpp>
#include <matador/sql/session.hpp>

#include "Databases.hpp"

#include <list>

using namespace matador::sql;

template<class Type>
class SessionRecordTestFixture
{
public:
  SessionRecordTestFixture()
  : pool_(Type::dns, 4), session_(pool_)
  {}

  matador::sql::session &session()
  { return session_; }

private:
  matador::sql::connection_pool<matador::sql::connection> pool_;
  matador::sql::session session_;
};

TEMPLATE_TEST_CASE_METHOD(SessionRecordTestFixture, "Create and drop table statement", "[session record]", Sqlite, Postgres, MySql)
{
  auto &s = SessionRecordTestFixture<TestType>::session();

  REQUIRE(!s.table_exists("person"));
  s.create()
   .table("person", {
     make_pk_column<unsigned long>("id"),
     make_column<std::string>("name", 255),
     make_column<unsigned short>("age")
   })
   .execute();

  REQUIRE(s.table_exists("person"));

  s.drop()
    .table("person")
    .execute();

  REQUIRE(!s.table_exists("person"));
}

TEMPLATE_TEST_CASE_METHOD(SessionRecordTestFixture, "Create and drop table statement with foreign key", "[session record]", Sqlite, Postgres, MySql)
{
  auto &s = SessionRecordTestFixture<TestType>::session();

  s.create()
   .table("airplane", {
     make_pk_column<unsigned long>("id"),
     make_column<std::string>("brand", 255),
     make_column<std::string>("model", 255),
   })
   .execute();

  REQUIRE(s.table_exists("airplane"));

  s.create()
    .table("flight", {
      make_pk_column<unsigned long>("id"),
      make_fk_column<unsigned long>("airplane_id", "airplane", "id"),
      make_column<std::string>("pilot_name", 255),
    })
    .execute();

  REQUIRE(s.table_exists("flight"));

  s.drop()
    .table("flight")
    .execute();

  REQUIRE(!s.table_exists("flight"));

  s.drop()
    .table("airplane")
    .execute();

  REQUIRE(!s.table_exists("airplane"));
}

TEMPLATE_TEST_CASE_METHOD(SessionRecordTestFixture, "Execute insert record statement", "[session record]", MySql)
{
  auto &s = SessionRecordTestFixture<TestType>::session();

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    })
    .execute();

  auto res = s.insert()
    .into("person", {"id", "name", "age"})
    .values({7, "george", 45})
    .execute();

  REQUIRE(res == 1);

  auto result = s.select({"id", "name", "age"})
    .from("person")
    .fetch_all();

  for (const auto &i: result) {
    REQUIRE(i.size() == 3);
    REQUIRE(i.at(0).name() == "id");
    REQUIRE(i.at(0).type() == data_type_t::type_long_long);
    REQUIRE(i.at(0).template as<long long>() == 7);
    REQUIRE(i.at(1).name() == "name");
    REQUIRE(i.at(1).type() == data_type_t::type_varchar);
    REQUIRE(i.at(1).template as<std::string>() == "george");
    REQUIRE(i.at(2).name() == "age");
    REQUIRE(i.at(2).type() == matador::sql::data_type_t::type_int);
    REQUIRE(i.at(2).template as<int>() == 45);
  }

  s.drop()
    .table("person")
    .execute();
}

TEST_CASE("Execute insert record statement with foreign key", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("airplane", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("brand", 255),
      make_column<std::string>("model", 255),
    })
    .execute();

  s.create()
    .table("flight", {
      make_pk_column<unsigned long>("id"),
      make_fk_column<unsigned long>("airplane_id", "airplane", "id"),
      make_column<std::string>("pilot_name", 255),
    })
    .execute();

  auto res = s.insert().into("airplane", {"id", "brand", "model"}).values({1, "Airbus", "A380"}).execute();
  REQUIRE(res == 1);

  res = s.insert().into("airplane", {"id", "brand", "model"}).values({2, "Boeing", "707"}).execute();
  REQUIRE(res == 1);

  res = s.insert().into("airplane", {"id", "brand", "model"}).values({3, "Boeing", "747"}).execute();
  REQUIRE(res == 1);

  auto count = s.select({count_all()}).from("airplane").fetch_value<int>();
  REQUIRE(count == 3);

  res = s.insert().into("flight", {"id", "airplane_id", "pilot_name"}).values({4, 1, "George"}).execute();
  REQUIRE(res == 1);

  s.drop().table("flight").execute();
  s.drop().table("airplane").execute();

  REQUIRE(!s.table_exists("flight"));
  REQUIRE(!s.table_exists("airplane"));
}

TEST_CASE("Execute update record statement", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    })
    .execute();

  auto res = s.insert()
    .into("person", {"id", "name", "age"})
    .values({7, "george", 45})
    .execute();

  REQUIRE(res == 1);

  res = s.update("person")
    .set({{"id",   7},
          {"name", "jane"},
          {"age",  35}})
    .where("id"_col == 7)
    .execute();

  REQUIRE(res == 1);

  auto result = s.select({"id", "name", "age"})
    .from("person")
    .fetch_all();

  for (const auto &i: result) {
    REQUIRE(i.size() == 3);
    REQUIRE(i.at(0).name() == "id");
    REQUIRE(i.at(0).type() == data_type_t::type_long_long);
    REQUIRE(i.at(0).as<long long>() == 7);
    REQUIRE(i.at(1).name() == "name");
    REQUIRE(i.at(1).type() == data_type_t::type_varchar);
    REQUIRE(i.at(1).as<std::string>() == "jane");
    REQUIRE(i.at(2).name() == "age");
    REQUIRE(i.at(2).type() == matador::sql::data_type_t::type_int);
    REQUIRE(i.at(2).as<int>() == 35);
  }

  s.drop().table("person").execute();
}

TEST_CASE("Execute select statement", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    })
    .execute();

  auto res = s.insert().into("person", {"id", "name", "age"}).values({1, "george", 45}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({2, "jane", 32}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({3, "michael", 67}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({4, "bob", 13}).execute();
  REQUIRE(res == 1);

  auto result = s.select({"id", "name", "age"})
    .from("person")
    .fetch_all();

  std::list<std::string> expected_names{"george", "jane", "michael", "bob"};
  for (const auto &p: result) {
    REQUIRE(p.at(1).str() == expected_names.front());
    expected_names.pop_front();
  }
  REQUIRE(expected_names.empty());

  auto rec = s.select({"id", "name", "age"})
    .from("person")
    .fetch_one();
  REQUIRE(rec.at(1).str() == "george");

  auto name = s.select({"name"})
    .from("person")
    .fetch_value<std::string>();
  REQUIRE(name == "george");

  s.drop().table("person").execute();
}

TEST_CASE("Execute select statement with order by", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    })
    .execute();

  auto res = s.insert().into("person", {"id", "name", "age"}).values({1, "george", 45}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({2, "jane", 32}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({3, "michael", 67}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({4, "bob", 13}).execute();
  REQUIRE(res == 1);

  auto result = s.select({"id", "name", "age"})
    .from("person")
    .order_by("name").asc()
    .fetch_all();

  std::list<std::string> expected_names{"bob", "george", "jane", "michael"};
  for (const auto &p: result) {
    REQUIRE(p.at(1).str() == expected_names.front());
    expected_names.pop_front();
  }
  REQUIRE(expected_names.empty());

  s.drop().table("person").execute();
}

TEST_CASE("Execute select statement with group by and order by", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    })
    .execute();

  auto res = s.insert().into("person", {"id", "name", "age"}).values({1, "george", 45}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({2, "jane", 45}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({3, "michael", 13}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({4, "bob", 13}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({5, "charlie", 67}).execute();
  REQUIRE(res == 1);

  auto result = s.select({alias(count("age"), "age_count"), "age"})
    .from("person")
    .group_by("age")
    .order_by("age_count").desc()
    .fetch_all();

  std::list<std::pair<int, int>> expected_values{{2, 45},
                                                 {2, 13},
                                                 {1, 67}};
  for (const auto &r: result) {
    REQUIRE(r.at(0).as<int>() == expected_values.front().first);
    REQUIRE(r.at(1).as<int>() == expected_values.front().second);
    expected_values.pop_front();
  }

  s.drop().table("person").execute();
}

TEST_CASE("Execute delete statement", "[session record]")
{
  connection_pool<connection> pool("sqlite://sqlite.db", 4);
  session s(pool);

  s.create()
    .table("person", {
      make_pk_column<unsigned long>("id"),
      make_column<std::string>("name", 255),
      make_column<unsigned short>("age")
    }).execute();

  auto res = s.insert().into("person", {"id", "name", "age"}).values({1, "george", 45}).execute();
  REQUIRE(res == 1);
  res = s.insert().into("person", {"id", "name", "age"}).values({2, "jane", 45}).execute();
  REQUIRE(res == 1);

  auto count = s.select({count_all()}).from("person").fetch_value<int>();
  REQUIRE(count == 2);

  res = s.remove()
    .from("person")
    .where("id"_col == 1)
    .execute();

  REQUIRE(res == 1);

  count = s.select({count_all()}).from("person").fetch_value<int>();
  REQUIRE(count == 1);

  s.drop().table("person").execute();
}