diff --git a/lib/tests/qunit.h b/lib/include/qunit.h
similarity index 100%
rename from lib/tests/qunit.h
rename to lib/include/qunit.h
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2c65e68..3bd5d49 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -44,9 +44,31 @@ target_link_libraries (${PROJECT_NAME}
 	event_pthreads
 )
 
+# Tests
+add_executable (test_device 
+	devices/devices_manager.c
+	devices/device.c
+	devices/outlet_dio.c
+	devices/shutter.c
+	devices/sprinkler.c
+	tests/test_device.c
+)
+
+target_link_libraries (test_device 
+	LINK_PUBLIC
+	nats_static
+	qlibc-static
+	json-c
+)
+
+
 install (TARGETS ${PROJECT_NAME} DESTINATION local/bin)
 
 add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
     COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/../share/domo ${CMAKE_BINARY_DIR}/share/domo
 	COMMENT "Install domo's config files."
-    )
+)
+
+add_custom_target (launch_test
+	COMMAND valgrind --leak-check=full --trace-children=yes --malloc-fill=AE --free-fill=BD --track-origins=yes ${CMAKE_BINARY_DIR}/bin/test_device
+)
diff --git a/src/devices/devices_manager.c b/src/devices/devices_manager.c
index 598d5e6..ec70257 100644
--- a/src/devices/devices_manager.c
+++ b/src/devices/devices_manager.c
@@ -47,15 +47,24 @@
 
 int load_outlets(devices_manager_t *dm, struct json_object *node);
 struct json_object *save_outlets(devices_manager_t *dm);
-int create_outlet(struct json_object *node);
+int create_outlet(devices_manager_t *dm, struct json_object *node);
+int remove_outlet(devices_manager_t *dm, uint16_t id);
+int update_outlet(devices_manager_t *dm, uint16_t id, struct json_object *node);
+int set_outlet_state(devices_manager_t *dm, uint16_t id, bool state);
 
 int load_shutters(devices_manager_t *dm, struct json_object *node);
 struct json_object *save_shutters(devices_manager_t *dm);
 int create_shutter(devices_manager_t *dm, struct json_object *node);
+int remove_shutter(devices_manager_t *dm, uint16_t id);
+int update_shutter(devices_manager_t *dm, uint16_t id, struct json_object *node);
+int set_shutter_state(devices_manager_t *dm, uint16_t id, bool state);
 
 int load_sprinklers(devices_manager_t *dm, struct json_object *node);
 struct json_object *save_sprinklers(devices_manager_t *dm);
 int create_sprinkler(devices_manager_t *dm, struct json_object *node);
+int remove_sprinkler(devices_manager_t *dm, uint16_t id);
+int update_sprinkler(devices_manager_t *dm, uint16_t id, struct json_object *node);
+int set_sprinkler_state(devices_manager_t *dm, uint16_t id, bool state);
 
 /*----------------------------- PUBLIC FUNCTIONS ----------------------------*/
 
@@ -111,8 +120,8 @@ void devices_manager_free(devices_manager_t *devices_manager)
 
 int devices_manager_load(devices_manager_t *dm, char *config_path)
 {
-	struct json_object *the_root_node, *the_value_node;
-	DEBUG("Devices load...\n");
+    struct json_object *the_root_node, *the_value_node;
+    DEBUG("Devices load...\n");
 
     if (config_path == NULL)
     {
@@ -121,64 +130,64 @@ int devices_manager_load(devices_manager_t *dm, char *config_path)
     }
     dm->file_path = config_path;
 
-	the_root_node = json_object_from_file(dm->file_path);
-	if (the_root_node == NULL)
-	{
-		fprintf(stderr, "Failed to parse the Devices File (%s).\n", dm->file_path);
-		return -1;
-	}
+    the_root_node = json_object_from_file(dm->file_path);
+    if (the_root_node == NULL)
+    {
+        fprintf(stderr, "Failed to parse the Devices File (%s).\n", dm->file_path);
+        return -1;
+    }
 
-	if (json_object_object_get_ex(the_root_node, kOutletEntry, &the_value_node))
-	{
-		load_outlets(dm, the_value_node);
-	}
+    if (json_object_object_get_ex(the_root_node, kOutletEntry, &the_value_node))
+    {
+        load_outlets(dm, the_value_node);
+    }
 
-	if (json_object_object_get_ex(the_root_node, kShutterEntry, &the_value_node))
-	{
-		load_shutters(dm, the_value_node);
-	}
+    if (json_object_object_get_ex(the_root_node, kShutterEntry, &the_value_node))
+    {
+        load_shutters(dm, the_value_node);
+    }
 
-	if (json_object_object_get_ex(the_root_node, kSprinklerEntry, &the_value_node))
-	{
-		load_sprinklers(dm, the_value_node);
-	}
+    if (json_object_object_get_ex(the_root_node, kSprinklerEntry, &the_value_node))
+    {
+        load_sprinklers(dm, the_value_node);
+    }
 
-	/* Clean the json object. */
-	json_object_put(the_root_node);
+    /* Clean the json object. */
+    json_object_put(the_root_node);
 
-	return 0;
+    return 0;
 }
 
 /*--------------------------------------------------------------------------*/
 
 int devices_manager_save(devices_manager_t *dm)
 {
-	int result;
-	struct json_object *root_node;
+    int result;
+    struct json_object *root_node;
     DEBUG("Devices save...\n");
 
-	root_node = json_object_new_object();
+    root_node = json_object_new_object();
 
-	// Outlets
-	json_object_object_add(root_node, kOutletEntry, save_outlets(dm));
-	// Shutters
+    // Outlets
+    json_object_object_add(root_node, kOutletEntry, save_outlets(dm));
+    // Shutters
     json_object_object_add(root_node, kShutterEntry, save_shutters(dm));
-	// Sprinklers
-	json_object_object_add(root_node, kSprinklerEntry, save_sprinklers(dm));
+    // Sprinklers
+    json_object_object_add(root_node, kSprinklerEntry, save_sprinklers(dm));
 
-	result = json_object_to_file_ext(dm->file_path, root_node, JSON_C_TO_STRING_PRETTY);
+    result = json_object_to_file_ext(dm->file_path, root_node, JSON_C_TO_STRING_PRETTY);
 
-	/* Clean the json object. */
-	json_object_put(root_node);
+    /* Clean the json object. */
+    json_object_put(root_node);
 
-	return result;
+    return result;
 }
 
 /*--------------------------------------------------------------------------*/
 
 char *devices_manager_get(devices_manager_t *dm, const char *capability)
 {
-    #warning "TODO"
+#warning "TODO"
     return NULL;
 }
 
@@ -186,7 +195,7 @@ char *devices_manager_get(devices_manager_t *dm, const char *capability)
 
 char *devices_manager_get_by_id(devices_manager_t *dm, const char *capability, uint32_t id)
 {
-    #warning "TODO"
+#warning "TODO"
     return NULL;
 }
 
@@ -194,7 +203,7 @@ char *devices_manager_get_by_id(devices_manager_t *dm, const char *capability, u
 
 int devices_manager_set(devices_manager_t *dm, const char *capability, struct json_object *node)
 {
-    #warning "TODO"
+#warning "TODO"
     return 0;
 }
 
@@ -202,36 +211,115 @@ int devices_manager_set(devices_manager_t *dm, const char *capability, struct js
 
 int devices_manager_set_state(devices_manager_t *dm, const char *capability, int id, bool state)
 {
-    #warning "TODO"
-    return 0;
+	int result = -1;
+
+	if (capability == kOutletEntry)
+	{
+		result = set_outlet_state(dm, id, state);
+	}
+	else if (capability == kShutterEntry)
+	{
+		result = set_shutter_state(dm, id, state);
+	}
+	else if (capability == kSprinklerEntry)
+	{
+		result = set_sprinkler_state(dm, id, state);
+	}
+
+	if (result == 0)
+	{
+		devices_manager_save(dm);
+	}
+
+	return result;
 }
 
 /*--------------------------------------------------------------------------*/
 
-int devices_manager_create(devices_manager_t *dm, const char *a_capability, struct json_object *node)
+int devices_manager_create(devices_manager_t *dm, const char *capability, struct json_object *node)
 {
-    #warning "TODO"
-    return 0;
+	if (capability == kOutletEntry)
+	{
+		return create_outlet(dm, node);
+	}
+	else if (capability == kShutterEntry)
+	{
+		return create_shutter(dm, node);
+	}
+	else if (capability == kSprinklerEntry)
+	{
+		return create_sprinkler(dm, node);
+	}	
+
+	return -1;
 }
 
 /*--------------------------------------------------------------------------*/
 
-int devices_manager_update(devices_manager_t *dm, const char *a_capability, struct json_object *node)
+int devices_manager_update(devices_manager_t *dm, const char *capability, struct json_object *node)
 {
-    #warning "TODO"
-    return 0;
+    int32_t id = -1;
+    struct json_object *value_node;
+
+    // id
+    if (json_object_object_get_ex(node, k_entry_id, &value_node))
+    {
+        id = json_object_get_int(value_node);
+    }
+
+    // Sanity checks.
+    if (id == -1)
+        return -1;
+
+    if (capability == kOutletEntry)
+    {
+        return update_outlet(dm, id, node);
+    }
+    else if (capability == kShutterEntry)
+    {
+        return update_shutter(dm, id, node);
+    }
+    else if (capability == kSprinklerEntry)
+    {
+        return update_sprinkler(dm, id, node);
+    }
+
+    return -1;
 }
 
 /*--------------------------------------------------------------------------*/
 
-int devices_manager_delete(devices_manager_t *dm, const char *a_capability, struct json_object *node)
+int devices_manager_delete(devices_manager_t *dm, const char *capability, struct json_object *node)
 {
-    #warning "TODO"
-    return 0;
+    int32_t id = -1;
+    struct json_object *value_node;
+
+    // id
+    if (json_object_object_get_ex(node, k_entry_id, &value_node))
+    {
+        id = json_object_get_int(value_node);
+    }
+
+    // Sanity checks.
+    if (id == -1)
+        return -1;
+
+    if (capability == kOutletEntry)
+    {
+        return remove_outlet(dm, id);
+    }
+    else if (capability == kShutterEntry)
+    {
+        return remove_shutter(dm, id);
+    }
+    else if (capability == kSprinklerEntry)
+    {
+        return remove_sprinkler(dm, id);
+    }
+
+    return -1;
 }
 
-
-
 /*!  ----------------------------------------------------------------------------
  *  @fn load_outlets
  *
@@ -239,39 +327,39 @@ int devices_manager_delete(devices_manager_t *dm, const char *a_capability, stru
  */
 int load_outlets(devices_manager_t *dm, struct json_object *node)
 {
-	DEBUG("devicesManager-load_outlets\n");
+    DEBUG("devicesManager-load_outlets\n");
 
-	/* Get Outlets */
-	if (json_object_get_type(node) == json_type_array)
-	{
-		int length;
-		struct json_object *outlet_node;
+    /* Get Outlets */
+    if (json_object_get_type(node) == json_type_array)
+    {
+        int length;
+        struct json_object *outlet_node;
 
-		length = json_object_array_length(node);
-		for (int i = 0; i < length; i++)
-		{
+        length = json_object_array_length(node);
+        for (int i = 0; i < length; i++)
+        {
             outlet_dio_t *outlet = outlet_dio_new();
             outlet_node = json_object_array_get_idx(node, i);
             if (outlet_dio_from_json(outlet, outlet_node) == 0)
             {
                 qlist_addlast(dm->outlets, outlet, sizeof(outlet_dio_t));
             }
-		}
-	}
+        }
+    }
 
-	return 0;
+    return 0;
 }
 
 /*--------------------------------------------------------------------------*/
 
 struct json_object *save_outlets(devices_manager_t *dm)
 {
-	struct json_object *root_node;
-	outlet_dio_t *outlet;
+    struct json_object *root_node;
+    outlet_dio_t *outlet;
     qlist_obj_t obj;
 
-    memset((void *) &obj, 0, sizeof(obj));
-	root_node = json_object_new_array();
+    memset((void *)&obj, 0, sizeof(obj));
+    root_node = json_object_new_array();
 
     while (qlist_getnext(dm->outlets, &obj, true))
     {
@@ -279,46 +367,88 @@ struct json_object *save_outlets(devices_manager_t *dm)
         json_object_array_add(root_node, outlet_dio_to_json_object(outlet));
     }
 
-	return root_node;
+    return root_node;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int create_outlet(devices_manager_t *dm, struct json_object *node)
+{
+    outlet_dio_t *outlet = outlet_dio_new();
+
+    if (outlet_dio_from_json(outlet, node) != 0)
+    {
+        outlet_dio_free(outlet);
+        return -1;
+    }
+
+    device_set_id(outlet->device, ++dm->outlets_max_id);
+    qlist_addlast(dm->outlets, outlet, sizeof(outlet_dio_t));
+
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int remove_outlet(devices_manager_t *dm, uint16_t id)
+{
+#warning "TODO"
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int update_outlet(devices_manager_t *dm, uint16_t id, struct json_object *node)
+{
+#warning "TODO"
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int set_outlet_state(devices_manager_t *dm, uint16_t id, bool state)
+{
+#warning "TODO"
+    return 0;
 }
 
 /*--------------------------------------------------------------------------*/
 
 int load_shutters(devices_manager_t *dm, struct json_object *node)
 {
-	DEBUG("devicesManager-load_shutters\n");
+    DEBUG("devicesManager-load_shutters\n");
 
-	/* Get Shutters */
-	if (json_object_get_type(node) == json_type_array)
-	{
-		int length;
-		struct json_object *shutter_node;
+    /* Get Shutters */
+    if (json_object_get_type(node) == json_type_array)
+    {
+        int length;
+        struct json_object *shutter_node;
 
-		length = json_object_array_length(node);
-		for (int i = 0; i < length; i++)
-		{
+        length = json_object_array_length(node);
+        for (int i = 0; i < length; i++)
+        {
             shutter_t *shutter = shutter_new();
             shutter_node = json_object_array_get_idx(node, i);
             if (shutter_from_json(shutter, shutter_node) == 0)
             {
                 qlist_addlast(dm->shutters, shutter, sizeof(shutter_t));
             }
-		}
-	}
+        }
+    }
 
-	return 0;
+    return 0;
 }
 
 /*--------------------------------------------------------------------------*/
 
 struct json_object *save_shutters(devices_manager_t *dm)
 {
-	struct json_object *root_node;
-	shutter_t *shutter;
+    struct json_object *root_node;
+    shutter_t *shutter;
     qlist_obj_t obj;
 
-    memset((void *) &obj, 0, sizeof(obj));
-	root_node = json_object_new_array();
+    memset((void *)&obj, 0, sizeof(obj));
+    root_node = json_object_new_array();
 
     while (qlist_getnext(dm->shutters, &obj, true))
     {
@@ -326,14 +456,48 @@ struct json_object *save_shutters(devices_manager_t *dm)
         json_object_array_add(root_node, shutter_to_json_object(shutter));
     }
 
-	return root_node; 
+    return root_node;
 }
 
 /*--------------------------------------------------------------------------*/
 
 int create_shutter(devices_manager_t *dm, struct json_object *node)
 {
-    #warning "TODO"
+    shutter_t *shutter = shutter_new();
+
+    if (shutter_from_json(shutter, node) != 0)
+    {
+        shutter_free(shutter);
+        return -1;
+    }
+
+    device_set_id(shutter->outlet_dio->device, ++dm->shutters_max_id);
+    qlist_addlast(dm->shutters, shutter, sizeof(shutter_t));
+
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int remove_shutter(devices_manager_t *dm, uint16_t id)
+{
+#warning "TODO"
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int update_shutter(devices_manager_t *dm, uint16_t id, struct json_object *node)
+{
+#warning "TODO"
+    return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int set_shutter_state(devices_manager_t *dm, uint16_t id, bool state)
+{
+#warning "TODO"
     return 0;
 }
 
@@ -341,39 +505,39 @@ int create_shutter(devices_manager_t *dm, struct json_object *node)
 
 int load_sprinklers(devices_manager_t *dm, struct json_object *node)
 {
-	DEBUG("devicesManager-load_sprinkler\n");
+    DEBUG("devicesManager-load_sprinkler\n");
 
-	/* Get Shutters */
-	if (json_object_get_type(node) == json_type_array)
-	{
-		int length;
-		struct json_object *sprinkler_node;
+    /* Get Shutters */
+    if (json_object_get_type(node) == json_type_array)
+    {
+        int length;
+        struct json_object *sprinkler_node;
 
-		length = json_object_array_length(node);
-		for (int i = 0; i < length; i++)
-		{
+        length = json_object_array_length(node);
+        for (int i = 0; i < length; i++)
+        {
             sprinkler_t *sprinkler = sprinkler_new();
             sprinkler_node = json_object_array_get_idx(node, i);
             if (sprinkler_from_json(sprinkler, sprinkler_node) == 0)
             {
                 qlist_addlast(dm->sprinklers, sprinkler, sizeof(sprinkler_t));
             }
-		}
-	}
+        }
+    }
 
-	return 0;
+    return 0;
 }
 
 /*--------------------------------------------------------------------------*/
 
 struct json_object *save_sprinklers(devices_manager_t *dm)
 {
-	struct json_object *root_node;
-	sprinkler_t *sprinkler;
+    struct json_object *root_node;
+    sprinkler_t *sprinkler;
     qlist_obj_t obj;
 
-    memset((void *) &obj, 0, sizeof(obj));
-	root_node = json_object_new_array();
+    memset((void *)&obj, 0, sizeof(obj));
+    root_node = json_object_new_array();
 
     while (qlist_getnext(dm->sprinklers, &obj, true))
     {
@@ -381,13 +545,91 @@ struct json_object *save_sprinklers(devices_manager_t *dm)
         json_object_array_add(root_node, sprinkler_to_json_object(sprinkler));
     }
 
-	return root_node; 
+    return root_node;
 }
 
 /*--------------------------------------------------------------------------*/
 
 int create_sprinkler(devices_manager_t *dm, struct json_object *node)
 {
-    #warning "TODO"
+    sprinkler_t *sprinkler = sprinkler_new();
+
+    if (sprinkler_from_json(sprinkler, node) != 0)
+    {
+        sprinkler_free(sprinkler);
+        return -1;
+    }
+
+    device_set_id(sprinkler->device, ++dm->sprinklers_max_id);
+    qlist_addlast(dm->sprinklers, sprinkler, sizeof(sprinkler_t));
+
     return 0;
 }
+
+/*--------------------------------------------------------------------------*/
+
+int remove_sprinkler(devices_manager_t *dm, uint16_t id)
+{
+    qlist_obj_t obj;
+    sprinkler_t *sprinkler;
+    int position = 0;
+
+    memset((void *)&obj, 0, sizeof(obj));
+
+    while (qlist_getnext(dm->sprinklers, &obj, true))
+    {
+        sprinkler = obj.data;
+        if (sprinkler->device->id == id)
+        {
+            qlist_removeat(dm->sprinklers, position);
+            return 0;
+        }
+        position++;
+    }
+
+    return -1;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int update_sprinkler(devices_manager_t *dm, uint16_t id, struct json_object *node)
+{
+    qlist_obj_t obj;
+    sprinkler_t *sprinkler;
+
+    memset((void *)&obj, 0, sizeof(obj));
+
+    while (qlist_getnext(dm->sprinklers, &obj, true))
+    {
+        sprinkler = obj.data;
+        if (sprinkler->device->id == id)
+        {
+            sprinkler_from_json(sprinkler, node);
+            return 0;
+        }
+    }
+
+    return -1;
+}
+
+/*--------------------------------------------------------------------------*/
+
+int set_sprinkler_state(devices_manager_t *dm, uint16_t id, bool state)
+{
+    qlist_obj_t obj;
+    sprinkler_t *sprinkler;
+
+    memset((void *)&obj, 0, sizeof(obj));
+
+    while (qlist_getnext(dm->sprinklers, &obj, true))
+    {
+        sprinkler = obj.data;
+        if (sprinkler->device->id == id)
+        {
+            sprinkler->device->state = state;
+            return 0;
+        }
+    }
+
+    return -1;
+}
diff --git a/src/devices/devices_manager.h b/src/devices/devices_manager.h
index dfbc5e4..9c61530 100644
--- a/src/devices/devices_manager.h
+++ b/src/devices/devices_manager.h
@@ -49,8 +49,11 @@ struct devices_manager_s
     char *file_path;
 
     qlist_t *outlets;
+    uint16_t outlets_max_id;
     qlist_t *shutters;
+    uint16_t shutters_max_id;
     qlist_t *sprinklers;
+    uint16_t sprinklers_max_id;
 };
 
 /*--------------------------- PUBLIC FUNCTIONS -------------------------------*/
@@ -67,8 +70,8 @@ extern char *devices_manager_get_by_id(devices_manager_t *dm, const char *capabi
 extern int devices_manager_set(devices_manager_t *dm, const char *capability, struct json_object *node);
 extern int devices_manager_set_state(devices_manager_t *dm, const char *capability, int id, bool state);
 
-extern int devices_manager_create(devices_manager_t *dm, const char *a_capability, struct json_object *node);
-extern int devices_manager_update(devices_manager_t *dm, const char *a_capability, struct json_object *node);
-extern int devices_manager_delete(devices_manager_t *dm, const char *a_capability, struct json_object *node);
+extern int devices_manager_create(devices_manager_t *dm, const char *capability, struct json_object *node);
+extern int devices_manager_update(devices_manager_t *dm, const char *capability, struct json_object *node);
+extern int devices_manager_delete(devices_manager_t *dm, const char *capability, struct json_object *node);
 
 #endif /*_DEVICES_MANAGER_H */
diff --git a/src/tests/test_device.c b/src/tests/test_device.c
new file mode 100644
index 0000000..d1ed2e3
--- /dev/null
+++ b/src/tests/test_device.c
@@ -0,0 +1,92 @@
+/*!
+ * rest_handler.c
+ *
+ * Copyright (c) 2015-2019, NADAL Jean-Baptiste. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ * 
+ * @Author:  NADAL Jean-Baptiste
+ * @Date: 26/12/2019
+ *
+ */
+
+// This is an independent project of an individual developer. Dear PVS-Studio, please check it.
+// PVS-Studio Static Code Analyzer for C, C++, C#, and Java: http://www.viva64.com
+
+#include <qlibc/qlibc.h>
+#include <json.h>
+
+#include "qunit.h"
+
+#include "domo.h"
+#include "devices/devices_manager.h"
+
+QUNIT_START("Test Data Model");
+
+
+
+TEST("devices_manager create and free")
+{
+    devices_manager_t *dm;
+
+    dm = devices_manager_new();
+    ASSERT_NOT_NULL(dm);
+    devices_manager_free(dm);
+}
+
+TEST("sprinkler - create set_state remove.")
+{
+    struct json_object *root_node;
+    devices_manager_t *dm;
+    int ret;
+    dm = devices_manager_new();
+    ASSERT_NOT_NULL(dm);
+
+    root_node = json_object_new_object();
+    json_object_object_add(root_node,  k_entry_name, json_object_new_string("test_name"));
+
+    ret = devices_manager_create(dm, kSprinklerEntry, root_node);
+    ASSERT_EQUAL_INT(ret, 0);
+
+    /* Clean the json object. */
+    json_object_put(root_node);
+
+    devices_manager_free(dm);
+}
+
+#if 0
+devices_manager_t
+
+kOutletEntry
+kShutterEntry
+kSprinklerEntry
+
+
+extern int devices_manager_load(devices_manager_t *dm, char *config_path);
+extern int devices_manager_save(devices_manager_t *dm);
+
+extern char *devices_manager_get(devices_manager_t *dm, const char *capability);
+extern char *devices_manager_get_by_id(devices_manager_t *dm, const char *capability, uint32_t id);
+
+extern int devices_manager_set(devices_manager_t *dm, const char *capability, struct json_object *node);
+extern int devices_manager_set_state(devices_manager_t *dm, const char *capability, int id, bool state);
+
+extern int devices_manager_create(devices_manager_t *dm, const char *capability, struct json_object *node);
+extern int devices_manager_update(devices_manager_t *dm, const char *capability, struct json_object *node);
+extern int devices_manager_delete(devices_manager_t *dm, const char *capability, struct json_object *node);
+#endif
+
+QUNIT_END();