Merged DSA into the Engine Mgmt Module

Change-Id: If6b4e8345dcda8599606989ba9f4afd3497e48f1
Issue-ID: HOLMES-199
Signed-off-by: GuangrongFu <fu.guangrong@zte.com.cn>

4 files changed, 743 insertions, 0 deletions

diff --git a/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java
new file mode 100644
index 0000000..be30153
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtil.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onap.holmes.dsa.dmaappolling;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.api.stat.AlarmAdditionalField;
+import org.onap.holmes.common.api.stat.VesAlarm;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class DMaaPResponseUtil {
+
+    public VesAlarm convertJsonToVesAlarm(String responseJson) throws IOException {
+        JSONObject jsonNode = JSON.parseObject(responseJson);
+
+        VesAlarm vesAlarm = new VesAlarm();
+
+        JSONObject eventJson = JSON.parseObject(jsonNode.get("event") +"");
+        JSONObject commonEventHeaderJson = JSON.parseObject(eventJson.get("commonEventHeader") +"");
+        convertCommonEventHeaderJsonToEvent(commonEventHeaderJson, vesAlarm);
+
+        JSONObject faultFieldsJson = JSON.parseObject(eventJson.get("faultFields") +"");
+        convertFaultFieldsJsonToEvent(faultFieldsJson, vesAlarm);
+        return vesAlarm;
+    }
+
+    private void convertCommonEventHeaderJsonToEvent(JSONObject commonEventHeaderJson,
+                                                     VesAlarm vesAlarm) {
+        vesAlarm.setDomain((String) commonEventHeaderJson.get("domain"));
+        vesAlarm.setEventId((String) commonEventHeaderJson.get("eventId"));
+        vesAlarm.setEventName((String) commonEventHeaderJson.get("eventName"));
+        vesAlarm.setAlarmIsCleared(vesAlarm.getEventName().endsWith("Cleared") ? 1 : 0);
+        vesAlarm.setEventType(getTextElementByNode(commonEventHeaderJson, "eventType"));
+        vesAlarm.setInternalHeaderFields(
+                getTextElementByNode(commonEventHeaderJson, "internalHeaderFields"));
+        vesAlarm.setLastEpochMicrosec(commonEventHeaderJson.getLong("lastEpochMicrosec"));
+        vesAlarm.setNfcNamingCode(getTextElementByNode(commonEventHeaderJson, "nfcNamingCode"));
+        vesAlarm.setNfNamingCode(getTextElementByNode(commonEventHeaderJson, "nfNamingCode"));
+        vesAlarm.setPriority((String) commonEventHeaderJson.get("priority"));
+        vesAlarm.setReportingEntityId(
+                getTextElementByNode(commonEventHeaderJson, "reportingEntityId"));
+        vesAlarm.setReportingEntityName( (String) commonEventHeaderJson.get("reportingEntityName"));
+        vesAlarm.setSequence((Integer) commonEventHeaderJson.get("sequence"));
+        vesAlarm.setSourceId(getTextElementByNode(commonEventHeaderJson, "sourceId"));
+        vesAlarm.setSourceName( (String) commonEventHeaderJson.get("sourceName"));
+        vesAlarm.setStartEpochMicrosec(commonEventHeaderJson.getLong("startEpochMicrosec"));
+        vesAlarm.setVersion(commonEventHeaderJson.getLong("version"));
+    }
+
+    private void convertFaultFieldsJsonToEvent(JSONObject faultFieldsJson, VesAlarm vesAlarm) {
+        vesAlarm.setAlarmAdditionalInformation(getListElementByNode(faultFieldsJson, "alarmAdditionalInformation"));
+        vesAlarm.setAlarmCondition(faultFieldsJson.getString("alarmCondition"));
+        vesAlarm.setAlarmInterfaceA(getTextElementByNode(faultFieldsJson, "alarmInterfaceA"));
+        vesAlarm.setEventCategory(getTextElementByNode(faultFieldsJson,"eventCategory"));
+        vesAlarm.setEventSeverity(faultFieldsJson.getString("eventSeverity"));
+        vesAlarm.setEventSourceType(faultFieldsJson.getString("eventSourceType"));
+        vesAlarm.setFaultFieldsVersion(faultFieldsJson.getLong("faultFieldsVersion"));
+        vesAlarm.setSpecificProblem(faultFieldsJson.getString("specificProblem"));
+        vesAlarm.setVfStatus(faultFieldsJson.getString("vfStatus"));
+    }
+
+    private String getTextElementByNode(JSONObject jsonNode,String name){
+        if(jsonNode.get(name) != null){
+            return jsonNode.getString(name);
+        }
+        return null;
+    }
+
+    private Long getLongElementByNode(JSONObject jsonNode, String name) {
+        if(jsonNode.get(name) != null){
+            return jsonNode.getLong(name);
+        }
+        return null;
+    }
+
+    private List<AlarmAdditionalField> getListElementByNode(JSONObject jsonNode, String name){
+        List<AlarmAdditionalField> alarms = new ArrayList<AlarmAdditionalField>();
+        if (jsonNode.get(name) != null) {
+            JSONArray alarmAdditionalInformations = jsonNode.getJSONArray(name);
+            for (int i = 0; i < alarmAdditionalInformations.size(); i++) {
+                JSONObject jsonObject = alarmAdditionalInformations.getJSONObject(i);
+                if (jsonObject.get("name") != null
+                        && jsonObject.get("value") != null) {
+                    AlarmAdditionalField field = new AlarmAdditionalField();
+                    field.setName(getTextElementByNode(jsonObject, "name"));
+                    field.setValue(getTextElementByNode(jsonObject, "value"));
+                    alarms.add(field);
+                }
+            }
+        }
+        return alarms;
+    }
+}
diff --git a/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java
new file mode 100644
index 0000000..160fc38
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/dsa/dmaappolling/Subscriber.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.dsa.dmaappolling;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.onap.holmes.common.api.stat.VesAlarm;
+import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
+import org.onap.holmes.common.exception.CorrelationException;
+import org.onap.holmes.common.utils.GsonUtil;
+import org.onap.holmes.common.utils.HttpsUtils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@Setter
+@Slf4j
+public class Subscriber {
+
+    private DMaaPResponseUtil dMaaPResponseUtil = ServiceLocatorHolder.getLocator()
+            .getService(DMaaPResponseUtil.class);
+
+    /**
+     * The number of milliseconds to wait for messages if none are immediately available. This
+     * should normally be used, and set at 15000 or higher.
+     */
+    private int timeout = 15000;
+
+    /**
+     * The maximum number of messages to return
+     */
+    private int limit = 100;
+
+    /**
+     * The number of milliseconds to poll interval time. This should normally be used, and set at
+     * 15000 or higher.
+     */
+    private int period = timeout;
+
+    private boolean secure;
+    private String topic;
+    private String url;
+    private String uuid = UUID.randomUUID() + "";
+    private String consumerGroup = "homlesGroup" + uuid;
+    private String consumer = "homles" + uuid;
+    private String authInfo;
+    private String authExpDate;
+
+    public List<VesAlarm> subscribe() throws CorrelationException {
+        List<String> response;
+        try {
+            response = getDMaaPData();
+        } catch (Exception e) {
+            throw new CorrelationException("Failed to get data from DMaaP.", e);
+        }
+        try {
+            return extractVesAlarm(response);
+        } catch (Exception e) {
+            throw new CorrelationException("Failed to convert the response data to VES alarms.", e);
+        }
+    }
+
+    private List<String> getDMaaPData() throws Exception {
+        String response;
+        CloseableHttpClient closeableHttpClient = null;
+        HttpGet httpGet = new HttpGet(url + "/" + consumerGroup + "/" + consumer + "?timeout=" + period);
+        try {
+            closeableHttpClient = HttpsUtils.getHttpClient(timeout);
+            HttpResponse httpResponse = HttpsUtils
+                    .get(httpGet, new HashMap<>(), closeableHttpClient);
+            response = HttpsUtils.extractResponseEntity(httpResponse);
+        } catch (Exception e) {
+            throw e;
+        } finally {
+            httpGet.releaseConnection();
+            if (closeableHttpClient != null) {
+                try {
+                    closeableHttpClient.close();
+                } catch (IOException e) {
+                    log.warn("Failed to close http client!");
+                }
+            }
+        }
+        return GsonUtil.jsonToBean(response, List.class);
+    }
+
+    private List<VesAlarm> extractVesAlarm(List<String> responseEntity) throws IOException {
+        List<VesAlarm> vesAlarmList = new ArrayList<>();
+        for (String entity : responseEntity) {
+            vesAlarmList.add(dMaaPResponseUtil.convertJsonToVesAlarm(entity));
+        }
+        return vesAlarmList;
+    }
+}
diff --git a/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtilTest.java b/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtilTest.java
new file mode 100644
index 0000000..85e3083
--- /dev/null
+++ b/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/DMaaPResponseUtilTest.java
@@ -0,0 +1,341 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onap.holmes.dsa.dmaappolling;
+
+import com.alibaba.fastjson.JSONException;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.onap.holmes.common.api.stat.AlarmAdditionalField;
+import org.onap.holmes.common.api.stat.VesAlarm;
+import org.onap.holmes.dsa.dmaappolling.DMaaPResponseUtil;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+
+@PrepareForTest(DMaaPResponseUtil.class)
+public class DMaaPResponseUtilTest {
+
+    @Rule
+    public ExpectedException thrown = ExpectedException.none();
+
+    private DMaaPResponseUtil dMaaPResponseUtil;
+
+    @Before
+    public void setUp() {
+        dMaaPResponseUtil = new DMaaPResponseUtil();
+    }
+
+    @Test
+    public void testDMaaPResponseUtil_input_normal() throws IOException {
+        String json = "{\"event\":{"
+                + "\"commonEventHeader\":{"
+                + "\"domain\":\"fault\","
+                + "\"eventId\":\"112355255-24345\","
+                + "\"eventName\":\"4333454333\","
+                + "\"eventType\":\"remote\","
+                + "\"lastEpochMicrosec\":333434333,"
+                + "\"nfcNamingCode\":\"567422\","
+                + "\"nfNamingCode\":\"qweertrr\","
+                + "\"priority\":\"High\","
+                + "\"reportingEntityId\":\"99888888888\","
+                + "\"reportingEntityName\":\"tianshisdlsdjf\","
+                + "\"sequence\":34566,"
+                + "\"sourceId\":\"3345556444\","
+                + "\"sourceName\":\"nihoahh\","
+                + "\"startEpochMicrosec\":54545454,"
+                + "\"version\":998989879"
+                + "},"
+                + "\"faultFields\":{"
+                + "\"alarmAdditionalInformation\":["
+                + "{"
+                + "\"name\":\"niaho\","
+                + "\"value\":\"1111\""
+                + "},"
+                + "{"
+                + "\"name\":\"tian\","
+                + "\"value\":\"22222\""
+                + "}"
+                + "],"
+                + "\"alarmCondition\":\"fadilel\","
+                + "\"alarmInterfaceA\":\"generating the alarm\","
+                + "\"eventCategory\":\"Event category\","
+                + "\"eventSeverity\":\"CRITICAL\","
+                + "\"eventSourceType\":\"type of event source\","
+                + "\"faultFieldsVersion\":567567567,"
+                + "\"specificProblem\":\"short description\","
+                + "\"vfStatus\":\"Preparing to terminate\""
+                + "}"
+                + "}"
+                + "}";
+        VesAlarm expected = new VesAlarm();
+        expected.setDomain("fault");
+        expected.setEventId("112355255-24345");
+        expected.setEventName("4333454333");
+        expected.setEventType("remote");
+        expected.setLastEpochMicrosec((long) 333434333);
+        expected.setNfcNamingCode("567422");
+        expected.setNfNamingCode("qweertrr");
+        expected.setPriority("High");
+        expected.setReportingEntityId("99888888888");
+        expected.setReportingEntityName("tianshisdlsdjf");
+        expected.setSequence(34566);
+        expected.setSourceId("3345556444");
+        expected.setSourceName("nihoahh");
+        expected.setStartEpochMicrosec((long) 54545454);
+        expected.setVersion((long) 998989879);
+
+        List<AlarmAdditionalField> alarmAdditionalFields = new ArrayList<>();
+        AlarmAdditionalField alarmAdditionalField1 = new AlarmAdditionalField();
+        alarmAdditionalField1.setName("niaho");
+        alarmAdditionalField1.setName("1111");
+        alarmAdditionalFields.add(alarmAdditionalField1);
+        AlarmAdditionalField alarmAdditionalField2 = new AlarmAdditionalField();
+        alarmAdditionalField2.setName("tian");
+        alarmAdditionalField2.setName("22222");
+        alarmAdditionalFields.add(alarmAdditionalField2);
+        expected.setAlarmAdditionalInformation(alarmAdditionalFields);
+
+        expected.setAlarmCondition("fadilel");
+        expected.setAlarmInterfaceA("generating the alarm");
+        expected.setEventCategory("Event category");
+        expected.setEventSeverity("CRITICAL");
+        expected.setEventSourceType("type of event source");
+        expected.setFaultFieldsVersion((long) 567567567);
+        expected.setSpecificProblem("short description");
+        expected.setVfStatus("Preparing to terminate");
+
+        VesAlarm result = dMaaPResponseUtil.convertJsonToVesAlarm(json);
+
+        assertThat(expected.getDomain(), equalTo(result.getDomain()));
+        assertThat(expected.getEventId(), equalTo(result.getEventId()));
+        assertThat(expected.getEventName(), equalTo(result.getEventName()));
+        assertThat(expected.getEventType(), equalTo(result.getEventType()));
+        assertThat(expected.getLastEpochMicrosec(), equalTo(result.getLastEpochMicrosec()));
+        assertThat(expected.getNfcNamingCode(), equalTo(result.getNfcNamingCode()));
+        assertThat(expected.getNfNamingCode(), equalTo(result.getNfNamingCode()));
+        assertThat(expected.getPriority(), equalTo(result.getPriority()));
+        assertThat(expected.getReportingEntityId(), equalTo(result.getReportingEntityId()));
+        assertThat(expected.getReportingEntityName(), equalTo(result.getReportingEntityName()));
+        assertThat(expected.getSequence(), equalTo(result.getSequence()));
+        assertThat(expected.getSourceId(), equalTo(result.getSourceId()));
+        assertThat(expected.getSourceName(), equalTo(result.getSourceName()));
+        assertThat(expected.getStartEpochMicrosec(), equalTo(result.getStartEpochMicrosec()));
+        assertThat(expected.getVersion(), equalTo(result.getVersion()));
+
+        assertThat(expected.getAlarmCondition(), equalTo(result.getAlarmCondition()));
+        assertThat(expected.getAlarmInterfaceA(), equalTo(result.getAlarmInterfaceA()));
+        assertThat(expected.getEventCategory(), equalTo(result.getEventCategory()));
+        assertThat(expected.getEventSeverity(), equalTo(result.getEventSeverity()));
+        assertThat(expected.getEventSourceType(), equalTo(result.getEventSourceType()));
+        assertThat(expected.getFaultFieldsVersion(), equalTo(result.getFaultFieldsVersion()));
+        assertThat(expected.getSpecificProblem(), equalTo(result.getSpecificProblem()));
+        assertThat(expected.getVfStatus(), equalTo(result.getVfStatus()));
+
+    }
+
+    @Test
+    public void testDMaaPResponseUtil_throws_nullPointerException() throws Exception {
+        String json = "{}";
+        thrown.expect(NullPointerException.class);
+        dMaaPResponseUtil.convertJsonToVesAlarm(json);
+    }
+
+    @Test
+    public void testDMaaPResponseUtil_input_illegal() throws Exception {
+        String json = "***";
+        thrown.expect(JSONException.class);
+        dMaaPResponseUtil.convertJsonToVesAlarm(json);
+    }
+
+    @Test
+    public void testDMaaPResponseUtil_only_necessary_information() throws IOException {
+        String json = "{\"event\":{"
+                + "\"commonEventHeader\":{"
+                + "\"domain\":\"fault\","
+                + "\"eventId\":\"112355255-24345\","
+                + "\"eventName\":\"4333454333\","
+                + "\"eventType\":\"remote\","
+                + "\"lastEpochMicrosec\":333434333,"
+                + "\"priority\":\"High\","
+                + "\"reportingEntityName\":\"tianshisdlsdjf\","
+                + "\"sequence\":34566,"
+                + "\"sourceName\":\"nihoahh\","
+                + "\"startEpochMicrosec\":54545454,"
+                + "\"version\":998989879"
+                + "},"
+                + "\"faultFields\":{"
+                + "\"alarmAdditionalInformation\":["
+                + "{"
+                + "\"name\":\"niaho\","
+                + "\"value\":\"1111\""
+                + "},"
+                + "{"
+                + "\"name\":\"tian\","
+                + "\"value\":\"22222\""
+                + "}"
+                + "],"
+                + "\"alarmCondition\":\"fadilel\","
+                + "\"eventSeverity\":\"CRITICAL\","
+                + "\"eventSourceType\":\"type of event source\","
+                + "\"faultFieldsVersion\":567567567,"
+                + "\"specificProblem\":\"short description\","
+                + "\"vfStatus\":\"Preparing to terminate\""
+                + "}"
+                + "}"
+                + "}";
+        VesAlarm expected = new VesAlarm();
+        expected.setDomain("fault");
+        expected.setEventId("112355255-24345");
+        expected.setEventName("4333454333");
+        expected.setPriority("High");
+        expected.setReportingEntityName("tianshisdlsdjf");
+        expected.setSequence(34566);
+        expected.setSourceName("nihoahh");
+        expected.setStartEpochMicrosec((long) 54545454);
+        expected.setVersion((long) 998989879);
+
+        List<AlarmAdditionalField> alarmAdditionalFields = new ArrayList<>();
+        AlarmAdditionalField alarmAdditionalField1 = new AlarmAdditionalField();
+        alarmAdditionalField1.setName("niaho");
+        alarmAdditionalField1.setName("1111");
+        alarmAdditionalFields.add(alarmAdditionalField1);
+        AlarmAdditionalField alarmAdditionalField2 = new AlarmAdditionalField();
+        alarmAdditionalField2.setName("tian");
+        alarmAdditionalField2.setName("22222");
+        alarmAdditionalFields.add(alarmAdditionalField2);
+        expected.setAlarmAdditionalInformation(alarmAdditionalFields);
+
+        expected.setAlarmCondition("fadilel");
+        expected.setEventSeverity("CRITICAL");
+        expected.setEventSourceType("type of event source");
+        expected.setFaultFieldsVersion((long) 567567567);
+        expected.setSpecificProblem("short description");
+        expected.setVfStatus("Preparing to terminate");
+
+        VesAlarm result = dMaaPResponseUtil.convertJsonToVesAlarm(json);
+
+        assertThat(expected.getDomain(), equalTo(result.getDomain()));
+        assertThat(expected.getEventId(), equalTo(result.getEventId()));
+        assertThat(expected.getEventName(), equalTo(result.getEventName()));
+        assertThat(expected.getPriority(), equalTo(result.getPriority()));
+        assertThat(expected.getReportingEntityName(), equalTo(result.getReportingEntityName()));
+        assertThat(expected.getSequence(), equalTo(result.getSequence()));
+        assertThat(expected.getSourceName(), equalTo(result.getSourceName()));
+        assertThat(expected.getStartEpochMicrosec(), equalTo(result.getStartEpochMicrosec()));
+        assertThat(expected.getVersion(), equalTo(result.getVersion()));
+
+        assertThat(expected.getAlarmCondition(), equalTo(result.getAlarmCondition()));
+        assertThat(expected.getEventSeverity(), equalTo(result.getEventSeverity()));
+        assertThat(expected.getEventSourceType(), equalTo(result.getEventSourceType()));
+        assertThat(expected.getFaultFieldsVersion(), equalTo(result.getFaultFieldsVersion()));
+        assertThat(expected.getSpecificProblem(), equalTo(result.getSpecificProblem()));
+        assertThat(expected.getVfStatus(), equalTo(result.getVfStatus()));
+    }
+
+    @Test
+    public void testDMaaPResponseUtil_input_array_illegal() throws IOException {
+        String json = "{\"event\":{"
+                + "\"commonEventHeader\":{"
+                + "\"domain\":\"fault\","
+                + "\"eventId\":\"112355255-24345\","
+                + "\"eventName\":\"4333454333\","
+                + "\"eventType\":\"remote\","
+                + "\"lastEpochMicrosec\":333434333,"
+                + "\"priority\":\"High\","
+                + "\"reportingEntityName\":\"tianshisdlsdjf\","
+                + "\"sequence\":34566,"
+                + "\"sourceName\":\"nihoahh\","
+                + "\"startEpochMicrosec\":54545454,"
+                + "\"version\":998989879"
+                + "},"
+                + "\"faultFields\":{"
+                + "\"alarmAdditionalInformation\":["
+                + "{"
+                + "\"nam\":\"niaho\","
+                + "\"value\":\"1111\""
+                + "},"
+                + "{"
+                + "\"name\":\"tian\","
+                + "\"value\":\"22222\""
+                + "}"
+                + "],"
+                + "\"alarmCondition\":\"fadilel\","
+                + "\"eventSeverity\":\"CRITICAL\","
+                + "\"eventSourceType\":\"type of event source\","
+                + "\"faultFieldsVersion\":567567567,"
+                + "\"specificProblem\":\"short description\","
+                + "\"vfStatus\":\"Preparing to terminate\""
+                + "}"
+                + "}"
+                + "}";
+        VesAlarm expected = new VesAlarm();
+        expected.setDomain("fault");
+        expected.setEventId("112355255-24345");
+        expected.setEventName("4333454333");
+        expected.setPriority("High");
+        expected.setReportingEntityName("tianshisdlsdjf");
+        expected.setSequence(34566);
+        expected.setSourceName("nihoahh");
+        expected.setStartEpochMicrosec((long) 54545454);
+        expected.setVersion((long) 998989879);
+
+        List<AlarmAdditionalField> alarmAdditionalFields = new ArrayList<>();
+        AlarmAdditionalField alarmAdditionalField = new AlarmAdditionalField();
+        alarmAdditionalField.setName("tian");
+        alarmAdditionalField.setValue("22222");
+        alarmAdditionalFields.add(alarmAdditionalField);
+        expected.setAlarmAdditionalInformation(alarmAdditionalFields);
+
+        expected.setAlarmCondition("fadilel");
+        expected.setEventSeverity("CRITICAL");
+        expected.setEventSourceType("type of event source");
+        expected.setFaultFieldsVersion((long) 567567567);
+        expected.setSpecificProblem("short description");
+        expected.setVfStatus("Preparing to terminate");
+
+        VesAlarm result = dMaaPResponseUtil.convertJsonToVesAlarm(json);
+
+        assertThat(expected.getDomain(), equalTo(result.getDomain()));
+        assertThat(expected.getEventId(), equalTo(result.getEventId()));
+        assertThat(expected.getEventName(), equalTo(result.getEventName()));
+        assertThat(expected.getPriority(), equalTo(result.getPriority()));
+        assertThat(expected.getReportingEntityName(), equalTo(result.getReportingEntityName()));
+        assertThat(expected.getSequence(), equalTo(result.getSequence()));
+        assertThat(expected.getSourceName(), equalTo(result.getSourceName()));
+        assertThat(expected.getStartEpochMicrosec(), equalTo(result.getStartEpochMicrosec()));
+        assertThat(expected.getVersion(), equalTo(result.getVersion()));
+
+        assertThat(expected.getAlarmAdditionalInformation().get(0).getName(),
+                equalTo(result.getAlarmAdditionalInformation().get(0).getName()));
+        assertThat(expected.getAlarmAdditionalInformation().get(0).getValue(),
+                equalTo(result.getAlarmAdditionalInformation().get(0).getValue()));
+
+        assertThat(expected.getAlarmCondition(), equalTo(result.getAlarmCondition()));
+        assertThat(expected.getEventSeverity(), equalTo(result.getEventSeverity()));
+        assertThat(expected.getEventSourceType(), equalTo(result.getEventSourceType()));
+        assertThat(expected.getFaultFieldsVersion(), equalTo(result.getFaultFieldsVersion()));
+        assertThat(expected.getSpecificProblem(), equalTo(result.getSpecificProblem()));
+        assertThat(expected.getVfStatus(), equalTo(result.getVfStatus()));
+    }
+}
diff --git a/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/SubscriberTest.java b/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/SubscriberTest.java
new file mode 100644
index 0000000..4b64e6a
--- /dev/null
+++ b/engine-d/src/test/java/org/onap/holmes/dsa/dmaappolling/SubscriberTest.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onap.holmes.dsa.dmaappolling;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.glassfish.hk2.api.ServiceLocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Matchers;
+import org.onap.holmes.common.api.stat.AlarmAdditionalField;
+import org.onap.holmes.common.api.stat.VesAlarm;
+import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
+import org.onap.holmes.common.utils.GsonUtil;
+import org.onap.holmes.common.utils.HttpsUtils;
+import org.onap.holmes.dsa.dmaappolling.DMaaPResponseUtil;
+import org.onap.holmes.dsa.dmaappolling.Subscriber;
+import org.powermock.api.easymock.PowerMock;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.assertThat;
+
+@PrepareForTest({ServiceLocatorHolder.class, ServiceLocator.class, HttpsUtils.class})
+@RunWith(PowerMockRunner.class)
+public class SubscriberTest {
+
+    private DMaaPResponseUtil util = new DMaaPResponseUtil();
+
+    @Before
+    public void init() {
+        PowerMockito.mockStatic(ServiceLocatorHolder.class);
+        ServiceLocator serviceLocator = PowerMockito.mock(ServiceLocator.class);
+        PowerMockito.when(ServiceLocatorHolder.getLocator()).thenReturn(serviceLocator);
+        PowerMockito.when(serviceLocator.getService(DMaaPResponseUtil.class)).thenReturn(util);
+    }
+
+    @Test
+    public void subscribe() throws Exception {
+        PowerMock.resetAll();
+        VesAlarm vesAlarm = new VesAlarm();
+        vesAlarm.setDomain("ONAP");
+        vesAlarm.setEventId("123");
+        vesAlarm.setEventName("Event-123");
+        vesAlarm.setEventType("EventType");
+        vesAlarm.setLastEpochMicrosec(1000L);
+        vesAlarm.setNfcNamingCode("123");
+        vesAlarm.setNfNamingCode("123");
+        vesAlarm.setPriority("high");
+        vesAlarm.setReportingEntityId("ID-123");
+        vesAlarm.setReportingEntityName("Name-123");
+        vesAlarm.setSequence(1);
+        vesAlarm.setSourceId("Source-123");
+        vesAlarm.setSourceName("Source-123");
+        vesAlarm.setStartEpochMicrosec(500L);
+        vesAlarm.setVersion(1L);
+        List<AlarmAdditionalField> alarmAdditionalFields = new ArrayList<>();
+        AlarmAdditionalField field = new AlarmAdditionalField();
+        field.setName("addInfo");
+        field.setValue("addInfo");
+        alarmAdditionalFields.add(field);
+        vesAlarm.setAlarmAdditionalInformation(alarmAdditionalFields);
+        vesAlarm.setAlarmCondition("alarmCondition");
+        vesAlarm.setAlarmInterfaceA("alarmInterfaceA");
+        vesAlarm.setEventCategory("eventCategory");
+        vesAlarm.setEventSeverity("eventSeverity");
+        vesAlarm.setEventSourceType("eventSourceType");
+        vesAlarm.setFaultFieldsVersion(1L);
+        vesAlarm.setSpecificProblem("specificProblem");
+        vesAlarm.setVfStatus("vfStatus");
+
+        String eventString = "{\"event\": {\"commonEventHeader\": {" +
+                "\"domain\": \"ONAP\"," +
+                "\"eventId\": \"123\"," +
+                "\"eventName\": \"Event-123\"," +
+                "\"eventType\": \"EventType\"," +
+                "\"lastEpochMicrosec\": 1000," +
+                "\"nfcNamingCode\": \"123\"," +
+                "\"nfNamingCode\": \"123\"," +
+                "\"priority\": \"high\"," +
+                "\"reportingEntityId\": \"ID-123\"," +
+                "\"reportingEntityName\": \"Name-123\"," +
+                "\"sequence\": 1," +
+                "\"sourceId\": \"Source-123\"," +
+                "\"sourceName\": \"Source-123\"," +
+                "\"startEpochMicrosec\": 500," +
+                "\"version\": 1" +
+                "}," +
+                " \"faultFields\" : {" +
+                "\"alarmAdditionalInformation\": [{\"name\":\"addInfo\", \"value\":\"addInfo\"}]," +
+                "\"alarmCondition\": \"alarmCondition\"," +
+                "\"alarmInterfaceA\": \"alarmInterfaceA\"," +
+                "\"eventCategory\": \"eventCategory\"," +
+                "\"eventSeverity\": \"eventSeverity\"," +
+                "\"eventSourceType\": \"eventSourceType\"," +
+                "\"faultFieldsVersion\": 1," +
+                "\"specificProblem\": \"specificProblem\"," +
+                "\"vfStatus\": \"vfStatus\"" +
+                "}}}";
+        Subscriber subscriber = new Subscriber();
+        subscriber.setUrl("https://www.onap.org");
+        subscriber.setConsumerGroup("group");
+        subscriber.setConsumer("consumer");
+        List<String> responseList = new ArrayList<>();
+        responseList.add(eventString);
+        String responseJson = GsonUtil.beanToJson(responseList);
+
+        PowerMockito.mockStatic(HttpsUtils.class);
+        HttpResponse httpResponse = PowerMockito.mock(HttpResponse.class);
+        PowerMockito.when(HttpsUtils.get(Matchers.any(HttpGet.class),
+                Matchers.any(HashMap.class), Matchers.any(CloseableHttpClient.class))).thenReturn(httpResponse);
+        PowerMockito.when(HttpsUtils.extractResponseEntity(httpResponse)).thenReturn(responseJson);
+
+        PowerMock.replayAll();
+
+        List<VesAlarm> vesAlarms = subscriber.subscribe();
+        PowerMock.verifyAll();
+
+        assertThat(vesAlarm.getEventName(), equalTo(vesAlarms.get(0).getEventName()));
+    }
+
+    @Test
+    public void testSetterAndGetter() {
+
+        PowerMock.replayAll();
+
+        Subscriber subscriber = new Subscriber();
+        subscriber.setTimeout(100);
+        subscriber.setLimit(10);
+        subscriber.setPeriod(10);
+        subscriber.setSecure(false);
+        subscriber.setTopic("test");
+        subscriber.setUrl("http://localhost");
+        subscriber.setConsumerGroup("Group1");
+        subscriber.setConsumer("Consumer1");
+        subscriber.setAuthInfo(null);
+        subscriber.setAuthExpDate(null);
+
+        assertThat(subscriber.getTimeout(), is(100));
+        assertThat(subscriber.getLimit(), is(10));
+        assertThat(subscriber.getPeriod(), is(10));
+        assertThat(subscriber.isSecure(), is(false));
+        assertThat(subscriber.getTopic(), equalTo("test"));
+        assertThat(subscriber.getUrl(), equalTo("http://localhost"));
+        assertThat(subscriber.getConsumerGroup(), equalTo("Group1"));
+        assertThat(subscriber.getConsumer(), equalTo("Consumer1"));
+        assertThat(subscriber.getAuthInfo(), nullValue());
+        assertThat(subscriber.getAuthExpDate(), nullValue());
+
+        PowerMock.verifyAll();
+    }
+
+}
\ No newline at end of file