query/backends/tests/SessionRecordTest.cpp

#include <catch2/catch_test_macros.hpp>

#include "matador/sql/column.hpp"
#include "matador/sql/condition.hpp"
#include "matador/sql/session.hpp"

#include "connection.hpp"

#include <list>

class SessionRecordFixture
{
public:
  SessionRecordFixture()
  : pool(matador::test::connection::dns, 4), ses(pool)
  {}
  ~SessionRecordFixture() {
    drop_table_if_exists("flight");
    drop_table_if_exists("airplane");
    drop_table_if_exists("person");
  }

protected:
  matador::sql::connection_pool<matador::sql::connection> pool;
  matador::sql::session ses;

private:
  void drop_table_if_exists(const std::string &table_name) {
    if (ses.table_exists(table_name)) {
      ses.drop().table(table_name).execute();
    }
  }
};

using namespace matador::sql;

TEST_CASE_METHOD(SessionRecordFixture, " Create and drop table statement", "[session record]")
{
  REQUIRE(!ses.table_exists("person"));
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

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

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

TEST_CASE_METHOD(SessionRecordFixture, " Create and drop table statement with foreign key", "[session record]")
{
  ses.create()
  .table("airplane", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("brand", 255),
    make_column<std::string>("model", 255),
  })
  .execute();

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

  ses.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(ses.table_exists("flight"));

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

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

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

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute insert record statement", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

  REQUIRE(res == 1);

  auto result = ses.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);
  }

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute insert record statement with foreign key", "[session record]")
{
  ses.create()
  .table("airplane", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("brand", 255),
    make_column<std::string>("model", 255),
  })
  .execute();

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

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

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

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

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

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

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute update record statement", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

  REQUIRE(res == 1);

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

  REQUIRE(res == 1);

  auto result = ses.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);
  }

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute select statement", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

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

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

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute select statement with order by", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

  auto result = ses.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());

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute select statement with group by and order by", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  })
  .execute();

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

  auto result = ses.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();
  }

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

TEST_CASE_METHOD(SessionRecordFixture, " Execute delete statement", "[session record]")
{
  ses.create()
  .table("person", {
    make_pk_column<unsigned long>("id"),
    make_column<std::string>("name", 255),
    make_column<unsigned short>("age")
  }).execute();

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

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

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

  REQUIRE(res == 1);

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

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