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Added several serialization tests for from() and joins

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rbock
2016-03-06 16:59:21 +01:00
parent d15cb2a410
commit b6c5cb8764
8 changed files with 166 additions and 13 deletions
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test_serializer/From.cpp Normal file
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/*
* Copyright (c) 2013-2015, 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 "Sample.h"
#include "MockDb.h"
#include <sqlpp11/sqlpp11.h>
#include <iostream>
namespace
{
MockDb db = {};
template <typename Expression>
void compare(int lineNo, const Expression& expr, const std::string& expected)
{
MockDb::_serializer_context_t printer = {};
const auto result = serialize(expr, printer).str();
if (result != expected)
{
std::cerr << __FILE__ << " " << lineNo << '\n' << "Expected: -->|" << expected << "|<--\n"
<< "Received: -->|" << result << "|<--\n";
throw std::runtime_error("unexpected serialization result");
}
}
}
int From(int, char* [])
{
const auto foo = test::TabFoo{};
const auto bar = test::TabBar{};
const auto aFoo = foo.as(sqlpp::alias::a);
const auto bFoo = foo.as(sqlpp::alias::b);
const auto cFoo = foo.as(sqlpp::alias::c);
// Single table
compare(__LINE__, from(foo), " FROM tab_foo");
compare(__LINE__, from(bar), " FROM tab_bar");
// Static joins
compare(__LINE__, from(foo.cross_join(bar)), " FROM tab_foo CROSS JOIN tab_bar");
compare(__LINE__, from(foo.join(bar).on(foo.omega > bar.alpha)),
" FROM tab_foo INNER JOIN tab_bar ON (tab_foo.omega>tab_bar.alpha)");
compare(__LINE__, from(aFoo.join(bFoo).on(aFoo.omega > bFoo.omega)),
" FROM tab_foo AS a INNER JOIN tab_foo AS b ON (a.omega>b.omega)");
compare(
__LINE__, from(aFoo.join(bFoo).on(aFoo.omega > bFoo.omega).join(cFoo).on(bFoo.omega > cFoo.omega)),
" FROM tab_foo AS a INNER JOIN tab_foo AS b ON (a.omega>b.omega) INNER JOIN tab_foo AS c ON (b.omega>c.omega)");
// Dynamic joins
const auto df = dynamic_from(db, foo);
compare(__LINE__, df, " FROM tab_foo");
{
auto dfa = df;
dfa.from.add(dynamic_cross_join(bar));
compare(__LINE__, dfa, " FROM tab_foo CROSS JOIN tab_bar");
}
{
auto dfa = df;
dfa.from.add(dynamic_inner_join(bar).on(bar.alpha > foo.omega));
compare(__LINE__, dfa, " FROM tab_foo INNER JOIN tab_bar ON (tab_bar.alpha>tab_foo.omega)");
}
{
auto dfa = df;
dfa.from.add(dynamic_inner_join(bar).on(bar.alpha > foo.omega));
dfa.from.add(dynamic_outer_join(aFoo).on(bar.alpha > aFoo.omega));
compare(__LINE__, dfa, " FROM tab_foo INNER JOIN tab_bar ON (tab_bar.alpha>tab_foo.omega) OUTER JOIN tab_foo AS a "
"ON (tab_bar.alpha>a.omega)");
}
return 0;
}