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video-shader-toys/tests/RenderCadenceCompositorRuntimeStateJsonTests.cpp
Aiden 1ddcf5d621
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2026-05-12 14:23:53 +10:00

113 lines
3.7 KiB
C++

#include "RuntimeStateJson.h"
#include <chrono>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <string>
namespace
{
int gFailures = 0;
void ExpectContains(const std::string& text, const std::string& fragment, const std::string& message)
{
if (text.find(fragment) != std::string::npos)
return;
++gFailures;
std::cerr << "FAIL: " << message << "\n";
}
std::filesystem::path MakeTestRoot()
{
const auto stamp = std::chrono::steady_clock::now().time_since_epoch().count();
const std::filesystem::path root = std::filesystem::temp_directory_path() / ("render-cadence-state-json-tests-" + std::to_string(stamp));
std::filesystem::create_directories(root);
return root;
}
void WriteFile(const std::filesystem::path& path, const std::string& contents)
{
std::filesystem::create_directories(path.parent_path());
std::ofstream output(path, std::ios::binary);
output << contents;
}
}
int main()
{
RenderCadenceCompositor::AppConfig config = RenderCadenceCompositor::DefaultAppConfig();
config.outputVideoFormat = "1080p";
config.outputFrameRate = "59.94";
RenderCadenceCompositor::CadenceTelemetrySnapshot telemetry;
telemetry.renderFps = 59.94;
telemetry.shaderBuildsCommitted = 1;
const std::filesystem::path root = MakeTestRoot();
WriteFile(root / "solid-color" / "shader.slang", "float4 shadeVideo(float2 uv) { return float4(uv, 0.0, 1.0); }\n");
WriteFile(root / "solid-color" / "shader.json", R"({
"id": "solid-color",
"name": "Solid Color",
"description": "A single color shader.",
"category": "Generator",
"entryPoint": "shadeVideo",
"parameters": [
{
"id": "color",
"label": "Color",
"description": "Output color.",
"type": "color",
"default": [1.0, 0.25, 0.5, 1.0],
"min": [0.0, 0.0, 0.0, 0.0],
"max": [1.0, 1.0, 1.0, 1.0],
"step": [0.01, 0.01, 0.01, 0.01]
}
]
})");
RenderCadenceCompositor::SupportedShaderCatalog shaderCatalog;
std::string error;
ExpectContains(shaderCatalog.Load(root, 4, error) ? "loaded" : error, "loaded", "test shader catalog should load");
RenderCadenceCompositor::RuntimeLayerModel layerModel;
layerModel.InitializeSingleLayer(shaderCatalog, "solid-color", error);
RuntimeShaderArtifact artifact;
artifact.shaderId = "solid-color";
artifact.displayName = "Solid Color";
artifact.fragmentShaderSource = "void main(){}";
artifact.message = "Runtime shader committed.";
layerModel.MarkBuildReady(artifact, error);
const RenderCadenceCompositor::RuntimeLayerModelSnapshot layerSnapshot = layerModel.Snapshot();
const std::string json = RenderCadenceCompositor::RuntimeStateToJson(RenderCadenceCompositor::RuntimeStateJsonInput{
config,
telemetry,
8080,
true,
"DeckLink scheduled output running.",
shaderCatalog,
layerSnapshot
});
ExpectContains(json, "\"shaders\":[{\"id\":\"solid-color\"", "state JSON should include supported shaders");
ExpectContains(json, "\"layerCount\":1", "state JSON should expose the display layer count");
ExpectContains(json, "\"layers\":[{\"id\":\"runtime-layer-1\"", "state JSON should expose the active display layer");
ExpectContains(json, "\"parameters\":[{\"id\":\"color\"", "state JSON should expose active shader parameters");
ExpectContains(json, "\"type\":\"color\"", "state JSON should serialize parameter types for the UI");
ExpectContains(json, "\"width\":1920", "state JSON should expose output width");
ExpectContains(json, "\"height\":1080", "state JSON should expose output height");
std::filesystem::remove_all(root);
if (gFailures != 0)
{
std::cerr << gFailures << " RenderCadenceCompositorRuntimeStateJson test failure(s).\n";
return 1;
}
std::cout << "RenderCadenceCompositorRuntimeStateJson tests passed.\n";
return 0;
}