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sqlpp11/tests/core/serialize/Where.cpp
2024-07-21 07:57:01 +02:00

97 lines
4.1 KiB
C++

/*
* Copyright (c) 2016-2016, Roland Bock
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "compare.h"
#include "Sample.h"
#include <sqlpp11/sqlpp11.h>
#include <iostream>
namespace
{
auto getTrue() -> std::string
{
MockDb::_serializer_context_t printer = {};
return serialize(printer, sqlpp::value(true)).str();
}
auto getFalse() -> std::string
{
MockDb::_serializer_context_t printer = {};
return serialize(printer, sqlpp::value(false)).str();
}
} // namespace
int Where(int, char*[])
{
const auto foo = test::TabFoo{};
const auto bar = test::TabBar{};
// Unconditionally
compare(__LINE__, select(foo.doubleN).from(foo).unconditionally(), "SELECT tab_foo.double_n FROM tab_foo");
compare(__LINE__, remove_from(foo).unconditionally(), "DELETE FROM tab_foo");
compare(__LINE__, update(foo).set(foo.doubleN = 42).unconditionally(), "UPDATE tab_foo SET double_n = 42");
static_assert(
sqlpp::is_numeric<decltype(foo.doubleN)>::value,
"");
static_assert(
sqlpp::is_numeric<decltype(foo.doubleN - 1)>::value,
"");
static_assert(
sqlpp::values_are_comparable<decltype(foo.doubleN), decltype(foo.doubleN - -1)>::value,
"");
static_assert(
sqlpp::values_are_comparable<decltype(foo.doubleN), decltype(-1)>::value,
"");
compare(__LINE__, update(foo).set(foo.doubleN = foo.doubleN - -1).unconditionally(),
"UPDATE tab_foo SET double_n = (tab_foo.double_n - -1)");
compare(__LINE__, where(sqlpp::value(true)), " WHERE " + getTrue());
// Never
compare(__LINE__, where(sqlpp::value(false)), " WHERE " + getFalse());
// Sometimes
compare(__LINE__, where(bar.boolNn), " WHERE tab_bar.bool_nn");
compare(__LINE__, where(bar.boolNn == false), " WHERE (tab_bar.bool_nn = " + getFalse() + ")");
compare(__LINE__, where(bar.textN.is_null()), " WHERE (tab_bar.text_n IS NULL)");
compare(__LINE__, where(bar.textN == "SQL"), " WHERE (tab_bar.text_n = 'SQL')");
compare(__LINE__, where(is_not_distinct_from(bar.textN, sqlpp::compat::make_optional("SQL"))),
" WHERE (tab_bar.text_n IS NOT DISTINCT FROM 'SQL')");
compare(__LINE__, where(is_not_distinct_from(bar.textN, sqlpp::compat::nullopt)),
" WHERE (tab_bar.text_n IS NOT DISTINCT FROM NULL)");
compare(__LINE__, where(bar.textN.is_not_distinct_from(sqlpp::compat::make_optional("SQL"))),
" WHERE (tab_bar.text_n IS NOT DISTINCT FROM 'SQL')");
compare(__LINE__, where(bar.textN.is_not_distinct_from(sqlpp::compat::nullopt)),
" WHERE (tab_bar.text_n IS NOT DISTINCT FROM NULL)");
// string argument
compare(__LINE__, where(bar.textN == std::string("SQL")), " WHERE (tab_bar.text_n = 'SQL')");
// string_view argument
compare(__LINE__, where(bar.textN == sqlpp::compat::string_view("SQL")), " WHERE (tab_bar.text_n = 'SQL')");
return 0;
}