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