Add test for local monitored item

tests/CMakeLists.txt

@@ -169,6 +169,10 @@ add_executable(check_node_inheritance server/check_node_inheritance.c $<TARGET_O
 target_link_libraries(check_node_inheritance ${LIBS})
 add_test_valgrind(node_inheritance ${TESTS_BINARY_DIR}/check_node_inheritance)
 
+add_executable(check_local_monitored_item server/check_local_monitored_item.c $<TARGET_OBJECTS:open62541-object> $<TARGET_OBJECTS:open62541-testplugins>)
+target_link_libraries(check_local_monitored_item ${LIBS})
+add_test_valgrind(local_monitored_item ${TESTS_BINARY_DIR}/check_local_monitored_item)
+
 if(UA_ENABLE_DISCOVERY)
     add_executable(check_discovery server/check_discovery.c $<TARGET_OBJECTS:open62541-object> $<TARGET_OBJECTS:open62541-testplugins>)
     target_link_libraries(check_discovery ${LIBS})

tests/server/check_local_monitored_item.c

@@ -0,0 +1,179 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ *    Copyright 2018 (c) basysKom GmbH <opensource@basyskom.com> (Author: Peter Rustler)
+ */
+
+#include "ua_types.h"
+#include "ua_server.h"
+#include "ua_client.h"
+#include "client/ua_client_internal.h"
+#include "ua_client_highlevel.h"
+#include "ua_config_default.h"
+#include "ua_network_tcp.h"
+
+#include "check.h"
+#include "testing_clock.h"
+#include "testing_networklayers.h"
+#include "thread_wrapper.h"
+#include <stddef.h>
+
+#ifdef UA_ENABLE_STATUSCODE_DESCRIPTIONS
+    #define ASSERT_STATUSCODE(a,b) ck_assert_str_eq(UA_StatusCode_name(a),UA_StatusCode_name(b));
+#else
+    #define ASSERT_STATUSCODE(a,b) ck_assert_uint_eq((a),(b));
+#endif
+
+UA_Server *server;
+UA_ServerConfig *config;
+UA_Boolean running;
+THREAD_HANDLE server_thread;
+
+UA_Client *client;
+UA_NodeId parentNodeId;
+UA_NodeId parentReferenceNodeId;
+UA_NodeId outNodeId;
+
+THREAD_CALLBACK(serverloop)
+{
+    while(running)
+        UA_Server_run_iterate(server, true);
+    return 0;
+}
+
+static void
+setup(void)
+{
+    running = true;
+    config = UA_ServerConfig_new_default();
+    server = UA_Server_new(config);
+    UA_StatusCode retval = UA_Server_run_startup(server);
+    ASSERT_STATUSCODE(retval, UA_STATUSCODE_GOOD);
+    THREAD_CREATE(server_thread, serverloop);
+    /* Define the attribute of the uint32 variable node */
+    UA_VariableAttributes attr = UA_VariableAttributes_default;
+    UA_UInt32 myUint32 = 40;
+    UA_Variant_setScalar(&attr.value, &myUint32, &UA_TYPES[UA_TYPES_UINT32]);
+    attr.description = UA_LOCALIZEDTEXT("en-US","the answer");
+    attr.displayName = UA_LOCALIZEDTEXT("en-US","the answer");
+    attr.dataType = UA_TYPES[UA_TYPES_UINT32].typeId;
+    attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE;
+
+    /* Add the variable node to the information model */
+    UA_NodeId uint32NodeId = UA_NODEID_STRING(1, "the.answer");
+    UA_QualifiedName uint32Name = UA_QUALIFIEDNAME(1, "the answer");
+    parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
+    parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
+    UA_NodeId_init(&outNodeId);
+    ASSERT_STATUSCODE(UA_Server_addVariableNode(server,
+                                                uint32NodeId,
+                                                parentNodeId,
+                                                parentReferenceNodeId,
+                                                uint32Name,
+                                                UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
+                                                attr,
+                                                NULL,
+                                                &outNodeId)
+                      , UA_STATUSCODE_GOOD);
+
+    client = UA_Client_new(UA_ClientConfig_default);
+    retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
+    ASSERT_STATUSCODE(retval, UA_STATUSCODE_GOOD);
+
+    UA_Client_recv = client->connection.recv;
+    client->connection.recv = UA_Client_recvTesting;
+}
+
+static void
+teardown(void)
+{
+    /* cleanup */
+    UA_Client_disconnect(client);
+    UA_Client_delete(client);
+    UA_NodeId_deleteMembers(&parentNodeId);
+    UA_NodeId_deleteMembers(&parentReferenceNodeId);
+    UA_NodeId_deleteMembers(&outNodeId);
+    running = false;
+    THREAD_JOIN(server_thread);
+    UA_Server_run_shutdown(server);
+    UA_Server_delete(server);
+    UA_ServerConfig_delete(config);
+}
+
+
+static UA_StatusCode
+setUInt32(UA_Client *thisClient, UA_NodeId node, UA_UInt32 value)
+{
+    UA_Variant variant;
+    UA_Variant_setScalar(&variant, &value, &UA_TYPES[UA_TYPES_UINT32]);
+    return UA_Client_writeValueAttribute(thisClient, node, &variant);
+}
+
+static void
+dataChangeNotificationCallback(UA_Server *thisServer,
+                               UA_UInt32 monitoredItemId,
+                               void *monitoredItemContext,
+                               const UA_NodeId *nodeId,
+                               void *nodeContext,
+                               UA_UInt32 attributeId,
+                               const UA_DataValue *value)
+{
+    static size_t count = 0;
+    static UA_UInt32 lastValue = 100;
+    UA_UInt32 currentValue = *((UA_UInt32*)value->value.data);
+    ck_assert_uint_ne(lastValue, currentValue);
+    lastValue = currentValue;
+    if (count++ == 10) {
+        UA_Server_deleteMonitoredItem(server, monitoredItemId);
+        running = false;
+    }
+}
+
+
+START_TEST(Server_LocalMonitoredItem)
+{
+    ASSERT_STATUSCODE(setUInt32(client, outNodeId, 0), UA_STATUSCODE_GOOD);
+
+    UA_MonitoredItemCreateRequest monitorRequest =
+            UA_MonitoredItemCreateRequest_default(outNodeId);
+    monitorRequest.requestedParameters.samplingInterval = (double)100;
+    monitorRequest.monitoringMode = UA_MONITORINGMODE_REPORTING;
+    UA_MonitoredItemCreateResult result =
+            UA_Server_createDataChangeMonitoredItem(server,
+                                                    UA_TIMESTAMPSTORETURN_BOTH,
+                                                    monitorRequest,
+                                                    NULL,
+                                                    &dataChangeNotificationCallback);
+    ASSERT_STATUSCODE(result.statusCode, UA_STATUSCODE_GOOD);
+    UA_UInt32 count = 0;
+    while (running) {
+        ASSERT_STATUSCODE(setUInt32(client, outNodeId, count++), UA_STATUSCODE_GOOD);
+        UA_fakeSleep(100);
+        UA_realSleep(100);
+    }
+}
+END_TEST
+
+
+static Suite* testSuite_Client(void)
+{
+    Suite *s = suite_create("Local Monitored Item");
+    TCase *tc_server = tcase_create("Local Monitored Item Basic");
+    tcase_add_checked_fixture(tc_server, setup, teardown);
+    tcase_add_test(tc_server, Server_LocalMonitoredItem);
+    suite_add_tcase(s, tc_server);
+
+    return s;
+}
+
+int main(void)
+{
+    Suite *s = testSuite_Client();
+    SRunner *sr = srunner_create(s);
+    srunner_set_fork_status(sr, CK_NOFORK);
+    srunner_run_all(sr,CK_NORMAL);
+    int number_failed = srunner_ntests_failed(sr);
+    srunner_free(sr);
+    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}