Files
osm2pgsql/tests/test-pgsql.cpp
Jochen Topf 0a25dda3a8 Add pgresult_t::affected_rows() function
To get the number of INSERTed, UPDATEd, or DELETEed rows.
2023-02-15 13:52:45 +01:00

121 lines
3.4 KiB
C++

/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2023 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include <catch.hpp>
#include "common-import.hpp"
#include "pgsql.hpp"
static testing::db::import_t const db;
TEST_CASE("Tablespace clause with no tablespace")
{
REQUIRE(tablespace_clause("").empty());
}
TEST_CASE("Tablespace clause with tablespace")
{
REQUIRE(tablespace_clause("foo") == R"( TABLESPACE "foo")");
}
TEST_CASE("Table name without schema")
{
REQUIRE(qualified_name("", "foo") == R"("foo")");
}
TEST_CASE("Table name with schema")
{
REQUIRE(qualified_name("osm", "foo") == R"("osm"."foo")");
}
TEST_CASE("query with SELECT should work")
{
auto const conn = db.db().connect();
auto const result = conn.exec("SELECT 42");
REQUIRE(result.status() == PGRES_TUPLES_OK);
REQUIRE(result.num_fields() == 1);
REQUIRE(result.num_tuples() == 1);
REQUIRE(result.get(0, 0) == "42");
}
TEST_CASE("query with invalid SQL should fail")
{
auto const conn = db.db().connect();
REQUIRE_THROWS(conn.exec("NOT-VALID-SQL"));
}
TEST_CASE("exec with invalid SQL should fail")
{
auto const conn = db.db().connect();
REQUIRE_THROWS(conn.exec("XYZ"));
}
TEST_CASE("exec_prepared without parameters should work")
{
auto const conn = db.db().connect();
conn.exec("PREPARE test AS SELECT 42");
auto const result = conn.exec_prepared("test");
REQUIRE(result.status() == PGRES_TUPLES_OK);
REQUIRE(result.num_fields() == 1);
REQUIRE(result.num_tuples() == 1);
REQUIRE(result.get(0, 0) == "42");
}
TEST_CASE("exec_prepared with single string parameters should work")
{
auto const conn = db.db().connect();
conn.exec("PREPARE test(int) AS SELECT $1");
auto const result = conn.exec_prepared("test", "17");
REQUIRE(result.status() == PGRES_TUPLES_OK);
REQUIRE(result.num_fields() == 1);
REQUIRE(result.num_tuples() == 1);
REQUIRE(result.get(0, 0) == "17");
}
TEST_CASE("exec_prepared with string parameters should work")
{
auto const conn = db.db().connect();
conn.exec("PREPARE test(int, int, int, int, int)"
" AS SELECT $1 + $2 + $3 + $4 + $5");
std::string a{"4"}; // NOLINT(misc-const-correctness)
std::string const b{"5"};
auto const result =
conn.exec_prepared("test", "1", "2", std::string{"3"}, a, b);
REQUIRE(result.status() == PGRES_TUPLES_OK);
REQUIRE(result.num_fields() == 1);
REQUIRE(result.num_tuples() == 1);
REQUIRE(result.get(0, 0) == "15");
}
TEST_CASE("exec_prepared with non-string parameters should work")
{
auto const conn = db.db().connect();
conn.exec("PREPARE test(int, int, int) AS SELECT $1 + $2 + $3");
auto const result = conn.exec_prepared("test", 1, 2.0, 3ULL);
REQUIRE(result.status() == PGRES_TUPLES_OK);
REQUIRE(result.num_fields() == 1);
REQUIRE(result.num_tuples() == 1);
REQUIRE(result.get(0, 0) == "6");
}
TEST_CASE("create table and insert something")
{
auto const conn = db.db().connect();
conn.exec("CREATE TABLE foo (x int)");
auto const result = conn.exec("INSERT INTO foo (x) VALUES (1), (2)");
REQUIRE(result.status() == PGRES_COMMAND_OK);
REQUIRE(result.num_fields() == 0);
REQUIRE(result.num_tuples() == 0);
REQUIRE(result.affected_rows() == 2);
}