cserver/tests/all_meta.cpp

61 lines
1.8 KiB
C++

#include <gtest/gtest.h>
#include <cserver/engine/components.hpp>
#include <nameof.hpp>
COMPONENT_REQUIRES(Some, requires(T t){{t.f()} -> std::same_as<void>;});
struct SomeComponent {
static constexpr utempl::ConstexprString kName = "some";
constexpr SomeComponent(auto& context) {
context.template FindAllComponents<SomeM>();
};
};
struct OtherComponent {
static constexpr utempl::ConstexprString kName = "other";
auto f() -> void {};
constexpr OtherComponent(auto& context) {};
};
struct OtherComponent2 {
static constexpr utempl::ConstexprString kName = "other2";
auto f() -> void {};
constexpr OtherComponent2(auto& context) {};
};
TEST(Meta, AllDependencies) {
constexpr auto builder = cserver::ServiceContextBuilder{}
.Append<SomeComponent>()
.Append<OtherComponent>()
.Append<OtherComponent2>()
.AppendConfigParam<"threads", 8>()
.Sort();
constexpr auto dependencies = builder.GetDependencyGraph();
using Need = utempl::Tuple<OtherComponent&, OtherComponent2&>;
using R = decltype(
builder
.GetServiceContext()
.GetContextFor<cserver::ComponentConfig<"some", SomeComponent, {}>>()
.FindAllComponents<SomeM>());
EXPECT_EQ(NAMEOF_TYPE(R),
NAMEOF_TYPE(Need));
using DependenciesNeed = const cserver::DependencyGraph<
cserver::DependencyGraphElement<
"other",
{}>,
cserver::DependencyGraphElement<
"other2",
{}>,
cserver::DependencyGraphElement<
"some",
{utempl::ConstexprString{"other"}, utempl::ConstexprString{"other2"}}>>;
EXPECT_EQ(NAMEOF_TYPE(decltype(dependencies)),
NAMEOF_TYPE(DependenciesNeed));
};