Add minimal integration test

CMakeLists.txt

@@ -15,7 +15,6 @@ else()
 endif()
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
-set(BOOST_ROOT /usr/local)
 find_package(Boost REQUIRED COMPONENTS system json)
 include(FetchContent)
 
@@ -25,7 +24,9 @@ function(create_boost_header_only_target target_name)
   set(interface_target ${target_key}_interface)
   set(header_subdir ${target_key})
   
-  if(NOT TARGET Boost::${target_name})
+  set(target_name_full Boost::${target_name})
+  
+  if(NOT TARGET ${target_name_full})
     message(STATUS "Creating Boost::${target_name} as header-only interface target")
 
     add_library(${interface_target} INTERFACE)
@@ -43,9 +44,9 @@ function(create_boost_header_only_target target_name)
     endif()
 
     # Create alias for consistency with imported targets
-    add_library(Boost::${target_name} ALIAS ${interface_target})
+    add_library(${target_name_full} ALIAS ${interface_target})
   else()
-    message(STATUS "Boost::${target_name} already exists")
+    message(STATUS "${target_name_full} already exists")
   endif()
 endfunction()
 
@@ -83,7 +84,7 @@ add_subdirectory(
 
 FetchContent_Declare(
     asyncmqtt5
-    GIT_REPOSITORY  https://github.com/mireo/async-mqtt5
+    GIT_REPOSITORY  https://github.com/boostorg/mqtt5
     GIT_TAG         master
     GIT_SHALLOW     TRUE
 )

docker/Dockerfile.baseimage

@@ -0,0 +1,15 @@
+FROM ubuntu:24.04
+
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        libboost-json1.83.0 \
+        libboost-system1.83.0 \
+        liburing2 \
+        python3 python3-pip \
+        && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Install Python test deps globally
+#RUN pip3 install pytest paho-mqtt
+RUN pip3 install --break-system-packages pytest paho-mqtt
+
+WORKDIR /app

libs/CMakeLists.txt

@@ -13,7 +13,6 @@ target_include_directories(ranczo-io_utils
 target_link_libraries(ranczo-io_utils
     PUBLIC
         Boost::mqtt5
-        Boost::system
         Boost::json
         spdlog::spdlog
 )

libs/mqtt_client.cpp

@@ -220,7 +220,7 @@ struct AsyncMqttClient::AsyncMqttClientImpl {
 AsyncMqttClient::AsyncMqttClient(const boost::asio::any_io_executor & executor)
  : _impl{std::make_unique< AsyncMqttClient::AsyncMqttClientImpl >(executor)} {}
 
-awaitable_expected<void> AsyncMqttClient::subscribe(std::string_view topic, std::function< awaitable_expected< void >(const boost::json::value &) > cb) noexcept {
+awaitable_expected<void> AsyncMqttClient::subscribe(std::string_view topic, callback_t&& cb) noexcept {
     BOOST_ASSERT(_impl);
     BOOST_ASSERT(not topic.empty());
     BOOST_ASSERT(cb);

libs/ranczo-io/utils/mqtt_client.hpp

@@ -31,6 +31,8 @@ class AsyncMqttClient {
         const boost::json::value & value;
     };
     
+    using callback_t = std::function< awaitable_expected< void >(const boost::json::value & value) >;
+
     struct AsyncMqttClientImpl;
     std::unique_ptr< AsyncMqttClientImpl > _impl;
 
@@ -38,8 +40,7 @@ class AsyncMqttClient {
     ~AsyncMqttClient();
     
     /* subscribes to a topic, topic can contain wildcards */
-    awaitable_expected< void > subscribe(std::string_view topic,
+    awaitable_expected< void > subscribe(std::string_view topic, callback_t &&cb) noexcept;
-      std::function< awaitable_expected< void >(const boost::json::value & value) >) noexcept;
 
     awaitable_expected< const boost::json::value & > request(std::string_view topic, const boost::json::value & value) noexcept;
     awaitable_expected< void > publish(std::string_view topic, const boost::json::value & value) noexcept;

services/floorheat_svc/CMakeLists.txt

@@ -1,6 +1,6 @@
 add_executable(ranczo-io_floorheating
     main.cpp
-    heater._controller.cpp
+    heater_controller.cpp
     relay.cpp
 )
 
@@ -17,3 +17,15 @@ install(
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
+
+enable_testing()
+
+add_test(NAME ranczo_io_floorheating_integration
+  COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/integration_tests/run_docker_integration_tests.sh
+)
+
+set_tests_properties(ranczo_io_floorheating_integration PROPERTIES
+  ENVIRONMENT INSTALL_DIR=${CMAKE_BINARY_DIR}/install
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/integration_tests
+  TIMEOUT 120
+)

services/floorheat_svc/integration_tests/Dockerfile

@@ -0,0 +1,6 @@
+FROM ranczo-io_baseimage:latest
+
+# Copy tests into /tests
+COPY . /tests/
+WORKDIR /tests
+CMD ["pytest", "-v"]

services/floorheat_svc/integration_tests/docker-compose.yml

@@ -0,0 +1,28 @@
+version: "3.9"
+
+services:
+  mqtt:
+    image: eclipse-mosquitto
+    ports:
+      - "1883:1883"
+
+  floorheating_svc:
+    image: ranczo-io_baseimage:latest
+    volumes:
+      - ${INSTALL_DIR}/:/app
+        #      - ${INSTALL_DIR}/etc/ranczo-io_config:/app/ig:ro  # optional
+    working_dir: /app
+    command: ["./bin/ranczo-io_floorheating"]
+    depends_on:
+      - mqtt
+
+  tests:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    # volumes:
+    #   - ../../../build/install/:/install:ro  # expose binaries if needed
+    depends_on:
+      - mqtt
+      - floorheating_svc
+

services/floorheat_svc/integration_tests/run_docker_integration_tests.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+# Allow overriding from env
+INSTALL_DIR="${INSTALL_DIR:-${CMAKE_BINARY_DIR}/install}"
+BUILD_DIR="$(dirname "$INSTALL_DIR")"
+
+echo "[INFO] Using INSTALL_DIR=$INSTALL_DIR"
+echo "[INFO] Inferred BUILD_DIR=$BUILD_DIR"
+
+# 1. Build the project first
+echo "[INFO] Building project..."
+cmake --build "$BUILD_DIR"
+
+# 2. Then install to INSTALL_DIR
+echo "[INFO] Installing to $INSTALL_DIR..."
+cmake --install "$BUILD_DIR" --prefix "$INSTALL_DIR"
+
+# 3. Run docker-compose tests
+echo "[INFO] Running docker compose integration tests..."
+docker compose -f docker-compose.yml up --build --abort-on-container-exit

services/floorheat_svc/integration_tests/test_ok.py

@@ -0,0 +1,6 @@
+import pytest
+
+
+def test_assert():
+    assert True
+

services/floorheat_svc/main.cpp

@@ -14,6 +14,7 @@
 #include <ranczo-io/utils/timer.hpp>
 
 #include <vector>
+#include <csignal>
 
 namespace ranczo {
 
@@ -30,12 +31,28 @@ namespace ranczo {
 using namespace std::chrono_literals;
 using namespace std::string_view_literals;
 
+std::atomic<bool> running = true;
+boost::asio::io_context* g_io = nullptr;
+
+void signal_handler(int signum) {
+    spdlog::warn("Signal received: {}, stopping io_context...", signum);
+    running = false;
+    if (g_io) {
+        g_io->stop();  // <--- This stops io_context.run()
+    }
+}
+
 int main() {
     spdlog::set_level(spdlog::level::trace);
-
     std::vector< std::shared_ptr< ranczo::IHeater > > _heaters;
 
     boost::asio::io_context io_context;
+    g_io = &io_context;
+    
+    // Register signal handler
+    spdlog::info("Registering signal handlers");
+    std::signal(SIGINT, signal_handler);
+    std::signal(SIGTERM, signal_handler);
 
     boost::asio::any_io_executor io_executor = io_context.get_executor();
     // PARTER