open62541/tests/pubsub/check_pubsub_subscribe.c

/* 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 (c) 2019 Kalycito Infotech Private Limited
 */

#include <open62541/plugin/pubsub_udp.h>
#include <open62541/server_config_default.h>
#include <open62541/server_pubsub.h>
#include <check.h>
#include <time.h>

#include "open62541/types_generated_encoding_binary.h"
#include "ua_pubsub.h"
#include "ua_server_internal.h"

#define UA_SUBSCRIBER_PORT  4801    /* Port for Subscriber*/
#define PUBLISH_INTERVAL    100     /* Publish interval*/
#define DATASET_WRITERD_ID  62541   /* DataSet Writer Id*/
#define WRITER_GROUP_ID     100     /* Writer group Id  */

/* Global declaration for test cases  */
UA_Server *server = NULL;
UA_ServerConfig *config = NULL;
UA_NodeId connection_test;
UA_NodeId readerGroupTest;

UA_NodeId publishedDataSetTest;

/* setup() is to create an environment for test cases */
static void setup(void) {
    /*Add setup by creating new server with valid configuration */
    server = UA_Server_new();
    config = UA_Server_getConfig(server);
    UA_ServerConfig_setMinimal(config, UA_SUBSCRIBER_PORT, NULL);
    UA_Server_run_startup(server);
    config->pubsubTransportLayers = (UA_PubSubTransportLayer *) UA_malloc(sizeof(UA_PubSubTransportLayer));
    if(!config->pubsubTransportLayers) {
        UA_ServerConfig_clean(config);
    }

    config->pubsubTransportLayers[0] = UA_PubSubTransportLayerUDPMP();
    config->pubsubTransportLayersSize++;

    /* Add connection to the server */
    UA_PubSubConnectionConfig connectionConfig;
    memset(&connectionConfig, 0, sizeof(UA_PubSubConnectionConfig));
    connectionConfig.name = UA_STRING("UADP Test Connection");
    UA_NetworkAddressUrlDataType networkAddressUrl = {UA_STRING_NULL, UA_STRING("opc.udp://224.0.0.22:4801/")};
    UA_Variant_setScalar(&connectionConfig.address, &networkAddressUrl,
                         &UA_TYPES[UA_TYPES_NETWORKADDRESSURLDATATYPE]);
    connectionConfig.transportProfileUri = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
    UA_Server_addPubSubConnection(server, &connectionConfig, &connection_test);
}

/* teardown() is to delete the environment set for test cases */
static void teardown(void) {
    /*Call server delete functions */
    UA_Server_run_shutdown(server);
    UA_Server_delete(server);
}

START_TEST(AddReaderGroupWithValidConfiguration) {
        /* To test if ReaderGroup has been added to the connection with valid configuration */
        UA_StatusCode retVal;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        UA_NodeId localreaderGroup;
        retVal =  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        size_t readerGroupCount = 0;
        UA_ReaderGroup *readerGroup;
        LIST_FOREACH(readerGroup, &UA_PubSubConnection_findConnectionbyId(server, connection_test)->readerGroups, listEntry){
            readerGroupCount++;
        }
        /* Check readerGroup count */
        ck_assert_int_eq(readerGroupCount, 1);
        /* To Do: RemoveReaderGroup operation should be carried out when UA_Server_delete has been called */
        UA_Server_removeReaderGroup(server, localreaderGroup);
    } END_TEST

START_TEST(AddReaderGroupWithNullConfig) {
        /* Check the status of adding ReaderGroup when NULL configuration is given */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        retVal |=  UA_Server_addReaderGroup(server, connection_test, NULL, NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        size_t readerGroupCount = 0;
        UA_ReaderGroup *readerGroup;
        LIST_FOREACH(readerGroup, &UA_PubSubConnection_findConnectionbyId(server, connection_test)->readerGroups, listEntry){
            readerGroupCount++;
        }
        /* Check readerGroup count */
        ck_assert_int_eq(readerGroupCount, 0);
    } END_TEST

START_TEST(AddReaderGroupWithInvalidConnectionId) {
        /* Check status of adding ReaderGroup with invalid connection identifier */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), &readerGroupConfig, NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        size_t readerGroupCount = 0;
        UA_ReaderGroup *readerGroup;
        LIST_FOREACH(readerGroup, &UA_PubSubConnection_findConnectionbyId(server, connection_test)->readerGroups, listEntry){
            readerGroupCount++;
        }
        /* Check readerGroup count */
        ck_assert_int_eq(readerGroupCount, 0);
    } END_TEST

START_TEST(RemoveReaderGroupWithInvalidIdentifier) {
        /* Check status of removing ReaderGroup when giving invalid ReaderGroup identifier */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localreaderGroup;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* Delete the added readerGroup */
        retVal |= UA_Server_removeReaderGroup(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX));
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        size_t readerGroupCount = 0;
        UA_ReaderGroup *readerGroup;
        LIST_FOREACH(readerGroup, &UA_PubSubConnection_findConnectionbyId(server, connection_test)->readerGroups, listEntry){
            readerGroupCount++;
        }
        /* Check readerGroup count */
        ck_assert_int_eq(readerGroupCount, 1);
        UA_Server_removeReaderGroup(server, localreaderGroup);
    } END_TEST

START_TEST(UpdateReaderGroupWithInvalidIdentifier) {
        /* Check status of updating ReaderGroup with invalid identifier */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localreaderGroup;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |=  UA_Server_ReaderGroup_updateConfig(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        UA_Server_removeReaderGroup(server, localreaderGroup);
    } END_TEST

START_TEST(GetReaderGroupConfigWithInvalidConfig) {
        /* Check status of getting ReaderGroup configuration with invalid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localreaderGroup;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_ReaderGroup_getConfig(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        UA_Server_removeReaderGroup(server, localreaderGroup);
    } END_TEST

START_TEST(GetReaderGroupConfigWithInvalidIdentifier) {
        /* Check status of getting ReaderGroup configuration with invlaid identifier */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localreaderGroup;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_ReaderGroup_getConfig(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), &readerGroupConfig);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        UA_Server_removeReaderGroup(server, localreaderGroup);
    } END_TEST

START_TEST(GetReaderGroupConfigWithValidConfig) {
        /* Check status of getting ReaderGroup configuration with valid parameters */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_NodeId localreaderGroup;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_ReaderGroup_getConfig(server, localreaderGroup, &readerGroupConfig);
        /* To Do: DeleteMembers of readergroup config has to be a separate function */
        UA_String_deleteMembers (&readerGroupConfig.name);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(AddDataSetReaderWithValidConfiguration) {
        /* Check status of adding DataSetReader to ReaderGroup with valid parameters*/
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localDataSetreader;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        dataSetreaderConfig.name = UA_STRING("DataSetreader Test");
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(AddDataSetReaderWithNullConfig) {
        /* Check status of adding DataSetReader to ReaderGroup with invalid parameters */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        dataSetreaderConfig.name = UA_STRING("DataSetreader Test ");
        /* Remove the added DataSetReader */
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, NULL, NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(RemoveDataSetReaderWithValidConfiguration) {
        /* Check status of adding DataSetReader to ReaderGroup with valid parameters */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_ReaderGroupConfig readerGroupConfig;
        UA_NodeId localDataSetreader;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        dataSetreaderConfig.name = UA_STRING("DataSetReader Test ");
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_removeDataSetReader(server, localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(RemoveDataSetReaderWithInvalidIdentifier) {
        /* Check status of removing DataSetReader from ReaderGroup with invalid parameters */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        dataSetreaderConfig.name = UA_STRING("DataSetReader Test ");
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, NULL, NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
        /* Remove the added DataSetReader */
        retVal |= UA_Server_removeDataSetReader(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX));
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(UpdateDataSetReaderConfigWithInvalidId) {
        /* Check status of updatting DataSetReader with invalid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup,
                                                        &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |=  UA_Server_DataSetReader_updateConfig(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX),
                                                      localreaderGroup, &dataSetreaderConfig );
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(GetDataSetReaderConfigWithValidConfiguration) {
        /* Check status of getting DataSetReader with Valid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_DataSetReader_getConfig(server, localDataSetreader, &dataSetreaderConfig);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(GetDataSetReaderConfigWithInvalidConfiguration) {
        /* Check status of getting DataSetReader with Invalid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_DataSetReader_getConfig(server, localDataSetreader, NULL);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(GetDataSetReaderConfigWithInvalidIdentifier) {
        /* Check status of getting DataSetReader with Invalid Identifier */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_DataSetReader_getConfig(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), &dataSetreaderConfig);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(CreateTargetVariableWithInvalidConfiguration) {
        /* Check status to create target variable with invalid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_TargetVariablesDataType localTargetVariable;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |= UA_Server_DataSetReader_createTargetVariables(server, UA_NODEID_NUMERIC(0, UA_UINT32_MAX), &localTargetVariable);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(AddTargetVariableWithInvalidConfiguration) {
        /* Check status to create target variable with invalid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetreaderConfig;
        UA_NodeId localreaderGroup;
        UA_NodeId localDataSetreader;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetreaderConfig, 0, sizeof(dataSetreaderConfig));
        retVal |= UA_Server_addDataSetReader(server, localreaderGroup, &dataSetreaderConfig, &localDataSetreader);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        retVal |=  UA_Server_DataSetReader_addTargetVariables(NULL, &localreaderGroup, localDataSetreader, UA_PUBSUB_SDS_TARGET);
        ck_assert_int_ne(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(AddTargetVariableWithValidConfiguration) {
        /* Check status after creating target variables with Valid configuration */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_DataSetReaderConfig dataSetReaderConfig;
        UA_NodeId folderId;
        UA_QualifiedName folderBrowseName;
        UA_NodeId localreaderGroupIdentifier;
        UA_NodeId localDataSetreaderIdentifier;
        UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;
        UA_ReaderGroupConfig readerGroupConfig;
        memset(&readerGroupConfig, 0, sizeof(readerGroupConfig));
        readerGroupConfig.name = UA_STRING("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup(server, connection_test, &readerGroupConfig, &localreaderGroupIdentifier);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        memset(&dataSetReaderConfig, 0, sizeof(UA_DataSetReaderConfig));
        UA_DataSetMetaDataType *pMetaData = &dataSetReaderConfig.dataSetMetaData;
        UA_DataSetMetaDataType_init (pMetaData);
        pMetaData->name = UA_STRING ("DataSet Test");
        /* Static definition of number of fields size to 4 to create four different
         * targetVariables of distinct datatype */
        pMetaData->fieldsSize = 1;
        pMetaData->fields = (UA_FieldMetaData*)UA_Array_new (pMetaData->fieldsSize,
                             &UA_TYPES[UA_TYPES_FIELDMETADATA]);

        /* DateTime DataType */
        UA_FieldMetaData_init (&pMetaData->fields[0]);
        UA_NodeId_copy (&UA_TYPES[UA_TYPES_DATETIME].typeId,
                        &pMetaData->fields[0].dataType);
        pMetaData->fields[0].builtInType = UA_NS0ID_DATETIME;
        pMetaData->fields[0].valueRank = -1; /* scalar */

        retVal |= UA_Server_addDataSetReader(server, localreaderGroupIdentifier, &dataSetReaderConfig, &localDataSetreaderIdentifier);

        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        folderBrowseName = UA_QUALIFIEDNAME (1, "Subscribed Variables");
        UA_Server_addObjectNode (server, UA_NODEID_NULL,
                                 UA_NODEID_NUMERIC (0, UA_NS0ID_OBJECTSFOLDER),
                                 UA_NODEID_NUMERIC (0, UA_NS0ID_ORGANIZES),
                                 folderBrowseName, UA_NODEID_NUMERIC (0,
                                 UA_NS0ID_BASEOBJECTTYPE), oAttr, NULL, &folderId);
        retVal |=  UA_Server_DataSetReader_addTargetVariables(server, &folderId, localDataSetreaderIdentifier, UA_PUBSUB_SDS_TARGET);
        UA_free(pMetaData->fields);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
    } END_TEST

START_TEST(SinglePublishSubscribe) {
        /* To check status after running both publisher and subscriber */
        UA_StatusCode retVal = UA_STATUSCODE_GOOD;
        UA_PublishedDataSetConfig pdsConfig;
        UA_NodeId dataSetWriter;
        UA_NodeId readerIdentifier;
        UA_NodeId writerGroup;
        UA_DataSetReaderConfig readerConfig;
        memset(&pdsConfig, 0, sizeof(UA_PublishedDataSetConfig));
        pdsConfig.publishedDataSetType = UA_PUBSUB_DATASET_PUBLISHEDITEMS;
        pdsConfig.name = UA_STRING("PublishedDataSet Test");
        UA_Server_addPublishedDataSet(server, &pdsConfig, &publishedDataSetTest);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* Data Set Field */
        UA_NodeId dataSetFieldId;
        UA_DataSetFieldConfig dataSetFieldConfig;
        memset(&dataSetFieldConfig, 0, sizeof(UA_DataSetFieldConfig));
        dataSetFieldConfig.dataSetFieldType = UA_PUBSUB_DATASETFIELD_VARIABLE;
        dataSetFieldConfig.field.variable.fieldNameAlias = UA_STRING("Server localtime");
        dataSetFieldConfig.field.variable.promotedField = UA_FALSE;
        dataSetFieldConfig.field.variable.publishParameters.publishedVariable = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_LOCALTIME);
        dataSetFieldConfig.field.variable.publishParameters.attributeId = UA_ATTRIBUTEID_VALUE;
        UA_Server_addDataSetField(server, publishedDataSetTest, &dataSetFieldConfig, &dataSetFieldId);
        /* Writer group */
        UA_WriterGroupConfig writerGroupConfig;
        memset(&writerGroupConfig, 0, sizeof(writerGroupConfig));
        writerGroupConfig.name = UA_STRING("WriterGroup Test");
        writerGroupConfig.publishingInterval = PUBLISH_INTERVAL;
        writerGroupConfig.enabled = UA_FALSE;
        writerGroupConfig.writerGroupId = WRITER_GROUP_ID;
        writerGroupConfig.encodingMimeType = UA_PUBSUB_ENCODING_UADP;
        retVal |= UA_Server_addWriterGroup(server, connection_test, &writerGroupConfig, &writerGroup);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* DataSetWriter */
        UA_DataSetWriterConfig dataSetWriterConfig;
        memset(&dataSetWriterConfig, 0, sizeof(dataSetWriterConfig));
        dataSetWriterConfig.name = UA_STRING("DataSetWriter Test");
        dataSetWriterConfig.dataSetWriterId = DATASET_WRITERD_ID;
        dataSetWriterConfig.keyFrameCount = 10;
        retVal |= UA_Server_addDataSetWriter(server, writerGroup, publishedDataSetTest, &dataSetWriterConfig, &dataSetWriter);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* Reader Group */
        UA_ReaderGroupConfig readerGroupConfig;
        memset (&readerGroupConfig, 0, sizeof (UA_ReaderGroupConfig));
        readerGroupConfig.name = UA_STRING ("ReaderGroup Test");
        retVal |=  UA_Server_addReaderGroup (server, connection_test, &readerGroupConfig,
                                                      &readerGroupTest);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* Data Set Reader */
        memset (&readerConfig, 0, sizeof (UA_DataSetReaderConfig));
        readerConfig.name = UA_STRING ("DataSetReader Test");
        readerConfig.dataSetWriterId = DATASET_WRITERD_ID;
        /* Setting up Meta data configuration in DataSetReader for DateTime DataType */
        UA_DataSetMetaDataType *pMetaData = &readerConfig.dataSetMetaData;
        /* FilltestMetadata function in subscriber implementation */
        UA_DataSetMetaDataType_init (pMetaData);
        pMetaData->name = UA_STRING ("DataSet Test");
        /* Static definition of number of fields size to 1 to create one
        targetVariable */
        pMetaData->fieldsSize = 1;
        pMetaData->fields = (UA_FieldMetaData*)UA_Array_new (pMetaData->fieldsSize,
                             &UA_TYPES[UA_TYPES_FIELDMETADATA]);
        /* DateTime DataType */
        UA_FieldMetaData_init (&pMetaData->fields[0]);
        UA_NodeId_copy (&UA_TYPES[UA_TYPES_DATETIME].typeId,
                        &pMetaData->fields[0].dataType);
        pMetaData->fields[0].builtInType = UA_NS0ID_DATETIME;
        pMetaData->fields[0].valueRank = -1; /* scalar */
        retVal |= UA_Server_addDataSetReader (server, readerGroupTest, &readerConfig,
                                                          &readerIdentifier);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* Add Subscribed Variables */
        UA_NodeId folderId;
        UA_String folderName = readerConfig.dataSetMetaData.name;
        UA_ObjectAttributes oAttr = UA_ObjectAttributes_default;
        UA_QualifiedName folderBrowseName;
        if (folderName.length > 0) {
            oAttr.displayName.locale = UA_STRING ("en-US");
            oAttr.displayName.text = folderName;
            folderBrowseName.namespaceIndex = 1;
            folderBrowseName.name = folderName;
          }
        else {
            oAttr.displayName = UA_LOCALIZEDTEXT ("en-US", "Subscribed Variables");
            folderBrowseName = UA_QUALIFIEDNAME (1, "Subscribed Variables");
        }

        UA_Server_addObjectNode (server, UA_NODEID_NULL,
                                 UA_NODEID_NUMERIC (0, UA_NS0ID_OBJECTSFOLDER),
                                 UA_NODEID_NUMERIC (0, UA_NS0ID_ORGANIZES),
                                 folderBrowseName, UA_NODEID_NUMERIC (0,
                                 UA_NS0ID_BASEOBJECTTYPE), oAttr, NULL, &folderId);
        retVal |=  UA_Server_DataSetReader_addTargetVariables (server, &folderId,
                                                             readerIdentifier, UA_PUBSUB_SDS_TARGET);
        ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
        /* run server - publisher and subscriber */
        UA_Server_run_iterate(server,true);
        UA_Server_run_iterate(server,true);
        UA_free(pMetaData->fields);

   }END_TEST

int main(void) {
    TCase *tc_add_pubsub_readergroup = tcase_create("PubSub readerGroup items handling");
    tcase_add_checked_fixture(tc_add_pubsub_readergroup, setup, teardown);

    /* Test cases for ReaderGroup functionality */
    tcase_add_test(tc_add_pubsub_readergroup, AddReaderGroupWithValidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, AddReaderGroupWithNullConfig);
    tcase_add_test(tc_add_pubsub_readergroup, AddReaderGroupWithInvalidConnectionId);
    tcase_add_test(tc_add_pubsub_readergroup, RemoveReaderGroupWithInvalidIdentifier);
    tcase_add_test(tc_add_pubsub_readergroup, UpdateReaderGroupWithInvalidIdentifier);
    tcase_add_test(tc_add_pubsub_readergroup, GetReaderGroupConfigWithInvalidConfig);
    tcase_add_test(tc_add_pubsub_readergroup, GetReaderGroupConfigWithInvalidIdentifier);
    tcase_add_test(tc_add_pubsub_readergroup, GetReaderGroupConfigWithValidConfig);

    /* Test cases for DataSetReader functionality */
    tcase_add_test(tc_add_pubsub_readergroup, AddDataSetReaderWithValidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, AddDataSetReaderWithNullConfig);
    tcase_add_test(tc_add_pubsub_readergroup, RemoveDataSetReaderWithValidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, RemoveDataSetReaderWithInvalidIdentifier);
    tcase_add_test(tc_add_pubsub_readergroup, UpdateDataSetReaderConfigWithInvalidId);
    tcase_add_test(tc_add_pubsub_readergroup, GetDataSetReaderConfigWithValidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, GetDataSetReaderConfigWithInvalidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, GetDataSetReaderConfigWithInvalidIdentifier);
    tcase_add_test(tc_add_pubsub_readergroup, CreateTargetVariableWithInvalidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, AddTargetVariableWithInvalidConfiguration);
    tcase_add_test(tc_add_pubsub_readergroup, AddTargetVariableWithValidConfiguration);

    /*Test case to run both publisher and subscriber */
    TCase *tc_pubsub_publish_subscribe = tcase_create("Publisher publishing and Subscriber subscribing");
    tcase_add_checked_fixture(tc_pubsub_publish_subscribe, setup, teardown);
    tcase_add_test(tc_pubsub_publish_subscribe, SinglePublishSubscribe);

    Suite *suite = suite_create("PubSub readerGroups/reader/Fields handling and publishing");
    suite_add_tcase(suite, tc_add_pubsub_readergroup);
    suite_add_tcase(suite, tc_pubsub_publish_subscribe);

    SRunner *suiteRunner = srunner_create(suite);
    srunner_set_fork_status(suiteRunner, CK_NOFORK);
    srunner_run_all(suiteRunner,CK_NORMAL);
    int number_failed = srunner_ntests_failed(suiteRunner);
    srunner_free(suiteRunner);

    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}