light/modules/renderer/private/system.test.cpp

120 lines
2.7 KiB
C++

#include <ranges>
#include <renderer/system.hpp>
#include <surface/system.hpp>
#include <test/test.hpp>
using namespace lt;
using std::ignore;
using test::Case;
using test::expect_throw;
using test::expect_true;
using test::Suite;
using renderer::System;
constexpr auto resolution = math::uvec2 { 800, 600 };
struct SurfaceContext
{
surface::System system;
ecs::Entity entity;
};
struct RendererContext
{
Ref<ecs::Registry> registry;
System system;
};
[[nodiscard]] auto create_surface() -> SurfaceContext
{
using surface::SurfaceComponent;
auto surface_registry = create_ref<ecs::Registry>();
auto surface_entity = surface_registry->create_entity();
auto surface_system = surface::System(surface_registry);
surface_registry->add<SurfaceComponent>(
surface_entity,
SurfaceComponent::CreateInfo {
.title = "",
.resolution = resolution,
}
);
return {
.system = std::move(surface_system),
.entity = ecs::Entity { surface_registry, surface_entity },
};
}
[[nodiscard]] auto create_system() -> std::pair<RendererContext, SurfaceContext>
{
auto surface_context = create_surface();
auto &[surface_system, surface_entity] = surface_context;
auto registry = create_ref<ecs::Registry>();
auto stats = create_ref<app::SystemStats>();
return {
RendererContext {
.registry = registry,
.system = System(
{
.registry = registry,
.surface_entity = surface_entity,
.system_stats = stats,
}
),
},
std::move(surface_context),
};
}
Suite raii = [] {
Case { "happy path won't throw" } = [&] {
ignore = create_system();
};
Case { "happy path has no validation errors" } = [&] {
auto [renderer, surface] = create_system();
expect_true(renderer.system.get_stats().empty_diagnosis());
};
Case { "unhappy path throws" } = [] {
auto [surface_system, surface_entity] = create_surface();
auto empty_registry = create_ref<ecs::Registry>();
auto empty_entity = ecs::Entity { empty_registry, empty_registry->create_entity() };
auto registry = create_ref<ecs::Registry>();
auto stats = create_ref<app::SystemStats>();
expect_throw([&] {
ignore = System(
{
.registry = {},
.surface_entity = surface_entity,
.system_stats = stats,
}
);
});
expect_throw([&] {
ignore = System(
System::CreateInfo {
.registry = surface_entity.get_registry(),
.surface_entity = empty_entity,
.system_stats = stats,
}
);
});
expect_throw([&] {
ignore = System(
System::CreateInfo {
.registry = surface_entity.get_registry(),
.surface_entity = surface_entity,
.system_stats = {},
}
);
});
};
};