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Added static_assert tests for dynamic from.add()

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rbock
2016-03-24 19:54:16 +01:00
parent dec3f5b3df
commit 712c79cb8a
3 changed files with 97 additions and 27 deletions
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49
test_static_asserts/from.cpp
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@@ -111,9 +111,56 @@ namespace
from_dynamic_check<sqlpp::assert_from_not_pre_join_t>(t.join(f));
}
template <typename Assert, typename FromImpl, typename Expression>
void dynamic_from_add_check(FromImpl from, const Expression& expression)
{
using CheckResult = sqlpp::check_from_add_t<FromImpl, Expression>;
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
print_type_on_error<CheckResult>(ExpectedCheckResult{});
static_assert(ExpectedCheckResult::value, "Unexpected check result");
using ReturnType = decltype(from.add(expression));
using ExpectedReturnType =
sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, sqlpp::bad_statement>::value>;
print_type_on_error<ReturnType>(ExpectedReturnType{});
static_assert(ExpectedReturnType::value, "Unexpected return type");
}
void dynamic_from_add()
{
#warning : need to add tests for dynamic_from(xxx).add(yyy)
static auto db = MockDb{};
auto fromT = dynamic_select(db, t.alpha).dynamic_from(t).from;
auto staticFrom = dynamic_select(db, t.alpha).from(t).from;
const auto fa = f.as(sqlpp::alias::a);
// OK
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_join(f).on(t.alpha > f.omega));
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_inner_join(f).on(t.alpha > f.omega));
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_left_outer_join(f).on(t.alpha > f.omega));
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_right_outer_join(f).on(t.alpha > f.omega));
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_outer_join(f).on(t.alpha > f.omega));
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_cross_join(f));
// Try a bunch of non dynamic joins
dynamic_from_add_check<sqlpp::assert_from_add_dynamic>(staticFrom, 7);
// Try a bunch of non dynamic joins
dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, 7);
dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, t.gamma);
dynamic_from_add_check<sqlpp::assert_from_add_dynamic_join>(fromT, join(f, f.as(sqlpp::alias::a)));
// Try incomplete dynamic join
dynamic_from_add_check<sqlpp::assert_from_add_not_dynamic_pre_join>(fromT, dynamic_join(f));
// Try joining the same table name
dynamic_from_add_check<sqlpp::assert_from_add_unique_names>(fromT, dynamic_cross_join(t));
dynamic_from_add_check<sqlpp::assert_from_add_unique_names>(fromT, dynamic_cross_join(f.as(t)));
// Try joining with a condition that requires other tables
dynamic_from_add_check<sqlpp::assert_from_add_no_required_tables>(fromT, dynamic_join(f).on(t.alpha > fa.omega));
// If you really think you know what you are doing, use without_table_check
dynamic_from_add_check<sqlpp::consistent_t>(fromT, dynamic_join(f).on(t.alpha > without_table_check(fa.omega)));
}
}