firmware/test/test_meshpacket_serializer/modules/test_nodeinfo.h

#pragma once
#include "test_helpers.h"

// Helper function to create and encode user info
static size_t encode_user_info(uint8_t *buffer, size_t buffer_size)
{
    meshtastic_User user = meshtastic_User_init_zero;
    strcpy(user.long_name, "Test User");
    strcpy(user.short_name, "TU");
    strcpy(user.id, "!abcd1234");
    user.hw_model = meshtastic_HardwareModel_TBEAM;

    pb_ostream_t stream = pb_ostream_from_buffer(buffer, buffer_size);
    pb_encode(&stream, &meshtastic_User_msg, &user);
    return stream.bytes_written;
}

// Test NODEINFO_APP port serialization
void test_nodeinfo_serialization()
{
    uint8_t buffer[128];
    size_t payload_size = encode_user_info(buffer, sizeof(buffer));

    meshtastic_MeshPacket packet = create_test_packet(meshtastic_PortNum_NODEINFO_APP, buffer, payload_size);

    std::string json = MeshPacketSerializer::JsonSerialize(&packet, false);
    TEST_ASSERT_TRUE(json.length() > 0);

    JSONValue *root = JSON::Parse(json.c_str());
    TEST_ASSERT_NOT_NULL(root);
    TEST_ASSERT_TRUE(root->IsObject());

    JSONObject jsonObj = root->AsObject();

    // Check message type
    TEST_ASSERT_TRUE(jsonObj.find("type") != jsonObj.end());
    TEST_ASSERT_EQUAL_STRING("nodeinfo", jsonObj["type"]->AsString().c_str());

    delete root;
}