fix(asio): Add a simple unit test to check the leaks

Author: david-cermak

components/asio/tests/unit/CMakeLists.txt

@@ -0,0 +1,15 @@
+# This is the project CMakeLists.txt file for the test subproject
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+if("${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}" VERSION_GREATER_EQUAL "6.0")
+    set(test_component_dir $ENV{IDF_PATH}/tools/test_apps/components)
+else()
+    set(test_component_dir $ENV{IDF_PATH}/tools/unit-test-app/components)
+endif()
+
+set(EXTRA_COMPONENT_DIRS ../..
+                         ${test_component_dir})
+
+project(asio_ssl_unit_test)

components/asio/tests/unit/main/CMakeLists.txt

@@ -0,0 +1,4 @@
+idf_component_register(SRCS "test_asio_ssl.cpp"
+                    #    REQUIRES test_utils
+                       INCLUDE_DIRS ".")
+                    #    PRIV_REQUIRES unity asio)

components/asio/tests/unit/main/idf_component.yml

@@ -0,0 +1,5 @@
+dependencies:
+  idf: ">=5.1"
+  espressif/asio:
+    version: "^1.14.1"
+    override_path: "../../../"

components/asio/tests/unit/main/test_asio_ssl.cpp

@@ -0,0 +1,60 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
+
+#include "unity.h"
+#include "unity_fixture.h"
+#include "test_utils.h"
+#include "memory_checks.h"
+#include "esp_netif.h"
+#include "esp_event.h"
+
+#include "asio.hpp"
+#include "asio/ssl.hpp"
+
+static void create_stream_and_attempt_handshake()
+{
+    asio::io_context io;
+    asio::ssl::context ctx(asio::ssl::context::tlsv12_client);
+    asio::ssl::stream<asio::ip::tcp::socket> stream(io, ctx);
+    stream.set_verify_mode(asio::ssl::verify_none);
+
+    asio::error_code ec;
+    stream.handshake(asio::ssl::stream_base::client, ec);
+}
+
+
+TEST_GROUP(asio_ssl);
+
+TEST_SETUP(asio_ssl)
+{
+    // call once to allocate all one time inits
+    create_stream_and_attempt_handshake();
+    test_utils_record_free_mem();
+    TEST_ESP_OK(test_utils_set_leak_level(0, ESP_LEAK_TYPE_CRITICAL, ESP_COMP_LEAK_GENERAL));
+}
+
+TEST_TEAR_DOWN(asio_ssl)
+{
+}
+
+
+TEST(asio_ssl, ssl_stream_lifecycle_no_leak)
+{
+    test_case_uses_tcpip();
+    create_stream_and_attempt_handshake();
+    TEST_ASSERT_TRUE(true);
+}
+
+TEST_GROUP_RUNNER(asio_ssl)
+{
+    RUN_TEST_CASE(asio_ssl, ssl_stream_lifecycle_no_leak)
+}
+
+extern "C" void app_main(void)
+{
+    esp_netif_init();
+    UNITY_MAIN(asio_ssl);
+}

components/asio/tests/unit/pytest_app_asio_ssl.py

@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+from pytest_embedded import Dut
+
+
+def test_asio_ssl_unit(dut: Dut) -> None:
+    dut.expect_unity_test_output()

components/asio/tests/unit/sdkconfig.defaults

@@ -0,0 +1,4 @@
+CONFIG_COMPILER_CXX_EXCEPTIONS=y
+CONFIG_UNITY_ENABLE_IDF_TEST_RUNNER=n
+CONFIG_UNITY_ENABLE_FIXTURE=y
+CONFIG_ASIO_SSL_SUPPORT=y