bring back tests

test/test_meshpacket_serializer/ports/test_nodeinfo.cpp

@@ -0,0 +1,42 @@
+#include "../test_helpers.h"
+
+static size_t encode_user_info(uint8_t *buffer, size_t buffer_size)
+{
+    meshtastic_User user = meshtastic_User_init_zero;
+    strcpy(user.short_name, "TEST");
+    strcpy(user.long_name, "Test User");
+    strcpy(user.id, "!12345678");
+    user.hw_model = meshtastic_HardwareModel_HELTEC_V3;
+
+    pb_ostream_t stream = pb_ostream_from_buffer(buffer, buffer_size);
+    pb_encode(&stream, &meshtastic_User_msg, &user);
+    return stream.bytes_written;
+}
+
+void test_nodeinfo_serialization()
+{
+    uint8_t buffer[256];
+    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);
+
+    Json::Value root = parse_json(json);
+    TEST_ASSERT_TRUE(root.isObject());
+
+    TEST_ASSERT_TRUE(root.isMember("type"));
+    TEST_ASSERT_EQUAL_STRING("nodeinfo", root["type"].asString().c_str());
+
+    TEST_ASSERT_TRUE(root.isMember("payload"));
+    TEST_ASSERT_TRUE(root["payload"].isObject());
+
+    const Json::Value &payload = root["payload"];
+
+    TEST_ASSERT_TRUE(payload.isMember("shortname"));
+    TEST_ASSERT_EQUAL_STRING("TEST", payload["shortname"].asString().c_str());
+
+    TEST_ASSERT_TRUE(payload.isMember("longname"));
+    TEST_ASSERT_EQUAL_STRING("Test User", payload["longname"].asString().c_str());
+}