Function FL_TEST_FILE

tests/fl/codec/decode_file.hpp:34–402

#include "fl/fx/frame.h"

FL_TEST_FILE(FL_FILEPATH) {

// ---------------------------------------------------------------------------
// TestIO — same pattern as tests/fl/remote/remote.cpp
// ---------------------------------------------------------------------------

struct TestIO {
    fl::vector<fl::json> requests;
    fl::vector<fl::json> responses;
    size_t requestIndex = 0;

    fl::optional<fl::json> pullRequest() {
        if (requestIndex >= requests.size()) {
            return fl::nullopt;
        }
        return requests[requestIndex++];
    }

    void pushResponse(const fl::json& response) {
        responses.push_back(response);
    }
};

// ---------------------------------------------------------------------------
// Constants & helpers
// ---------------------------------------------------------------------------

static const char* DEFAULT_PAYLOAD_PATH = ".build/decode_payload.json";

static const char* getPayloadPath() {
    const char* env = ::getenv("FASTLED_DECODE_PAYLOAD");
    if (env && env[0]) {
        return env;
    }
    return DEFAULT_PAYLOAD_PATH;
}

static fl::string readFileToString(const char* path) {
    fl::FILE* f = fl::fopen(path, "rb");
    if (!f) {
        return fl::string();
    }
    fl::fseek(f, 0, fl::io::seek_end);
    long len = fl::ftell(f);
    fl::fseek(f, 0, fl::io::seek_set);
    if (len <= 0) {
        fl::fclose(f);
        return fl::string();
    }
    fl::vector<char> buf(len);
    size_t read = fl::fread(buf.data(), 1, len, f);
    fl::fclose(f);
    return fl::string(buf.data(), read);
}

// ---------------------------------------------------------------------------
// Codec validation helpers
// ---------------------------------------------------------------------------