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Renderive/render_3D/tests/Datoviz_Visual_Family_Tests.cpp
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2026-08-15 03:21:01 +08:00

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#include "render_3D/Datoviz_Visuals.h"
#include "render_3D/Scene_Context.hpp"
#include <renderive/scene/Scene.hpp>
#include <gtest/gtest.h>
#include <memory>
#include <stdexcept>
#include <type_traits>
namespace renderive::render_3d {
namespace {
template <class Visual>
struct Visual_Frame_Test_Scene final : Scene3D_Context<>, Scene_Renderer {
using Frame_Data = typename Visual::Frame_Data;
explicit Visual_Frame_Test_Scene(
const std::shared_ptr<Visual>& visual)
: owner(visual->renderable_id()) {
auto builder = attach_builder();
builder.attach(renderive_Owner<Visual>(visual));
}
~Visual_Frame_Test_Scene() override { shutdown(); }
void render_frame() {
publish_frame_state();
render();
wait_for_render();
}
Node_Execution_Result render_scene(
const Scene_Render_Context& context) override {
prepared = context.template prepared<Frame_Data>(owner);
if (!prepared)
throw std::logic_error(
"Datoviz visual did not publish frame-local data");
return Node_Execution_Result::completed();
}
Renderable_Id owner{};
std::shared_ptr<const Frame_Data> prepared;
};
template <class Visual, class Item>
void exercise(Item item) {
static_assert(std::derived_from<Visual, Renderable>);
auto visual = typename Visual::Builder{}.build(std::vector<Item>{item});
ASSERT_NE(visual, nullptr);
EXPECT_EQ(visual->item_count(), 1U);
EXPECT_EQ(visual->observation().event,
Renderable_Observer_Event::Data_Updated);
EXPECT_EQ(visual->observation().data_revision,
visual->data_revision());
const auto initial_revision = visual->data_revision();
visual->edit_items([](auto& items) { items.push_back(items.front()); });
EXPECT_EQ(visual->item_count(), 2U);
EXPECT_GT(visual->data_revision(), initial_revision);
EXPECT_EQ(visual->observation().event,
Renderable_Observer_Event::Data_Updated);
EXPECT_EQ(visual->observation().item_count, 2U);
EXPECT_EQ(visual->observation().data_revision,
visual->data_revision());
Visual_Frame_Test_Scene<Visual> scene(visual);
scene.render_frame();
ASSERT_TRUE(scene.prepared);
ASSERT_TRUE(scene.prepared->items);
EXPECT_EQ(scene.prepared->items->size(), 2U);
EXPECT_EQ(visual->observation().event,
Renderable_Observer_Event::Published);
const auto first_frame = scene.prepared;
const auto first_published_revision = first_frame->data_revision;
const auto revision = visual->data_revision();
visual->update_items(std::vector<Item>{item, item, item});
EXPECT_EQ(visual->item_count(), 3U);
EXPECT_GT(visual->data_revision(), revision);
EXPECT_EQ(visual->observation().event,
Renderable_Observer_Event::Data_Updated);
EXPECT_EQ(visual->observation().item_count, 3U);
EXPECT_EQ(visual->observation().data_revision,
visual->data_revision());
ASSERT_TRUE(first_frame->items);
EXPECT_EQ(first_frame->items->size(), 2U);
scene.render_frame();
ASSERT_TRUE(scene.prepared);
ASSERT_TRUE(scene.prepared->items);
EXPECT_EQ(scene.prepared->items->size(), 3U);
EXPECT_GT(scene.prepared->data_revision, first_published_revision);
EXPECT_EQ(visual->observation().event,
Renderable_Observer_Event::Published);
}
TEST(DatovizVisualFamilies, EveryPublicFamilyUsesRenderableStorage) {
exercise<Splat_Visual>(Splat{});
exercise<Pixel_Visual>(Pixel{});
exercise<Marker_Visual>(Marker{});
exercise<Sphere_Visual>(Sphere{});
exercise<Segment_Visual>(Segment{.end = {1, 0, 0}});
exercise<Vector_Visual>(Vector_Glyph{});
exercise<Primitive_Visual>(Primitive_Vertex{});
exercise<Mesh_Visual>(Mesh_Vertex{});
exercise<Path_Visual>(Path_Vertex{});
exercise<Image_Visual>(Image{});
exercise<Labels_Visual>(Label{});
exercise<Glyph_Visual>(Glyph{});
exercise<Text_Visual>(Text_Label{.text = "Renderive"});
exercise<Volume_Visual>(Voxel{});
}
TEST(DatovizVisualFamilies, StateValidationAndBuilderPropertiesAreShared) {
auto volume = Volume_Visual::Builder{}
.set<&Volume_State::field_width>(4U)
.set<&Volume_State::field_height>(4U)
.set<&Volume_State::field_depth>(4U)
.build(std::vector<Voxel>(64));
ASSERT_NE(volume, nullptr);
EXPECT_EQ(volume->get<&Volume_State::field_depth>(), 4U);
EXPECT_THROW((Volume_Visual::Builder{}
.set<&Volume_State::field_width>(4U)
.build()),
std::invalid_argument);
}
} // namespace
} // namespace renderive::render_3d