mirror of
https://github.com/rbock/sqlpp11.git
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170 lines
7.2 KiB
C++
170 lines
7.2 KiB
C++
/*
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* Copyright (c) 2015-2016, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "MockDb.h"
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#include "Sample.h"
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#include <iostream>
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#include <sqlpp11/sqlpp11.h>
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namespace
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{
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constexpr auto t = test::TabBar{};
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constexpr auto f = test::TabFoo{};
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template <typename T>
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void print_type_on_error(std::true_type)
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{
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}
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template <typename T>
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void print_type_on_error(std::false_type)
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{
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T::_print_me_;
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}
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template <typename Assert, typename Expression>
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void from_static_check(const Expression& expression)
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{
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using CheckResult = sqlpp::check_from_static_t<Expression>;
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using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
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print_type_on_error<CheckResult>(ExpectedCheckResult{});
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static_assert(ExpectedCheckResult::value, "Unexpected check result");
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using ReturnType = decltype(select(t.alpha).from(expression));
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using ExpectedReturnType = sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, Assert>::value>;
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print_type_on_error<ReturnType>(ExpectedReturnType{});
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static_assert(ExpectedReturnType::value, "Unexpected return type");
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}
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template <typename Assert, typename Expression>
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void from_dynamic_check(const Expression& expression)
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{
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static auto db = MockDb{};
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using CheckResult = sqlpp::check_from_dynamic_t<decltype(db), Expression>;
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using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
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print_type_on_error<CheckResult>(ExpectedCheckResult{});
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static_assert(ExpectedCheckResult::value, "Unexpected check result");
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using ReturnType = decltype(dynamic_select(db, t.alpha).dynamic_from(expression));
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using ExpectedReturnType = sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, Assert>::value>;
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print_type_on_error<ReturnType>(ExpectedReturnType{});
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static_assert(ExpectedReturnType::value, "Unexpected return type");
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}
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void static_from()
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{
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// OK
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from_static_check<sqlpp::consistent_t>(t);
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from_static_check<sqlpp::consistent_t>(t.cross_join(f));
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from_static_check<sqlpp::consistent_t>(t.join(f).on(t.alpha > f.omega));
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// Try a bunch of non-tables
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from_static_check<sqlpp::assert_from_table_t>(7);
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from_static_check<sqlpp::assert_from_table_t>(t.alpha);
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from_static_check<sqlpp::assert_from_table_t>(t.beta);
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from_static_check<sqlpp::assert_from_table_t>(t.gamma);
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from_static_check<sqlpp::assert_from_table_t>(t.delta);
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// Try cross joins (missing condition)
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from_static_check<sqlpp::assert_from_not_pre_join_t>(t.join(f));
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}
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void dynamic_from()
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{
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// OK
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from_dynamic_check<sqlpp::consistent_t>(t);
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from_dynamic_check<sqlpp::consistent_t>(t.cross_join(f));
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from_dynamic_check<sqlpp::consistent_t>(t.join(f).on(t.alpha > f.omega));
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// Try a bunch of non-tables
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from_dynamic_check<sqlpp::assert_from_table_t>(7);
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from_dynamic_check<sqlpp::assert_from_table_t>(t.alpha);
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from_dynamic_check<sqlpp::assert_from_table_t>(t.beta);
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from_dynamic_check<sqlpp::assert_from_table_t>(t.gamma);
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from_dynamic_check<sqlpp::assert_from_table_t>(t.delta);
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// Try cross joins (missing condition)
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from_dynamic_check<sqlpp::assert_from_not_pre_join_t>(t.join(f));
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}
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template <typename Assert, typename FromImpl, typename Expression>
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void dynamic_from_add_check(FromImpl from, const Expression& expression)
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{
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using CheckResult = sqlpp::check_from_add_t<FromImpl, Expression>;
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using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
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print_type_on_error<CheckResult>(ExpectedCheckResult{});
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static_assert(ExpectedCheckResult::value, "Unexpected check result");
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using ReturnType = decltype(from.add(expression));
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using ExpectedReturnType = sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, Assert>::value>;
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print_type_on_error<ReturnType>(ExpectedReturnType{});
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static_assert(ExpectedReturnType::value, "Unexpected return type");
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}
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void dynamic_from_add()
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{
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static auto db = MockDb{};
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auto fromT = dynamic_select(db, t.alpha).dynamic_from(t).from;
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auto staticFrom = dynamic_select(db, t.alpha).from(t).from;
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const auto fa = f.as(sqlpp::alias::a);
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// OK
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_join(f).on(t.alpha > f.omega));
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_inner_join(f).on(t.alpha > f.omega));
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_left_outer_join(f).on(t.alpha > f.omega));
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_right_outer_join(f).on(t.alpha > f.omega));
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_outer_join(f).on(t.alpha > f.omega));
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_cross_join(f));
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// Try a bunch of non dynamic joins
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dynamic_from_add_check<sqlpp::assert_from_add_dynamic>(staticFrom, 7);
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// Try a bunch of non dynamic joins
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dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, 7);
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dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, t.gamma);
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dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, join(f, f.as(sqlpp::alias::a)));
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// Try incomplete dynamic join
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dynamic_from_add_check<sqlpp::assert_from_add_not_dynamic_pre_join>(fromT, dynamic_join(f));
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// Try joining the same table name
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dynamic_from_add_check<sqlpp::assert_from_add_unique_names>(fromT, dynamic_cross_join(t));
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dynamic_from_add_check<sqlpp::assert_from_add_unique_names>(fromT, dynamic_cross_join(f.as(t)));
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// Try joining with a condition that requires other tables
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dynamic_from_add_check<sqlpp::assert_from_add_no_required_tables>(fromT, dynamic_join(f).on(t.alpha > fa.omega));
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// If you really think you know what you are doing, use without_table_check
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dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_join(f).on(t.alpha > without_table_check(fa.omega)));
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}
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}
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int main(int, char* [])
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{
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static_from();
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dynamic_from();
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dynamic_from_add();
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}
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