add MQ consumer

Issue-ID: HOLMES-47

Change-Id: I16109e668ca20819af2e53de906387ec12907e7b
Signed-off-by: Shiwei Tian <tian.shiwei@zte.com.cn>

1 files changed, 189 insertions, 0 deletions

diff --git a/engine-d/src/test/java/org/onap/holmes/engine/mqconsumer/MQConsumerTest.java b/engine-d/src/test/java/org/onap/holmes/engine/mqconsumer/MQConsumerTest.java
new file mode 100644
index 0000000..b1ea3cb
--- /dev/null
+++ b/engine-d/src/test/java/org/onap/holmes/engine/mqconsumer/MQConsumerTest.java
@@ -0,0 +1,189 @@
+/**
+ * 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.engine.mqconsumer;
+
+import static org.easymock.EasyMock.anyBoolean;
+import static org.easymock.EasyMock.anyInt;
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.expect;
+
+
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.Destination;
+import javax.jms.JMSException;
+import javax.jms.MessageConsumer;
+import javax.jms.Session;
+import javax.jms.Topic;
+import org.apache.activemq.command.ActiveMQObjectMessage;
+import org.easymock.EasyMock;
+import org.glassfish.hk2.api.IterableProvider;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.holmes.common.api.stat.Alarm;
+import org.onap.holmes.common.config.MQConfig;
+import org.powermock.api.easymock.PowerMock;
+import org.powermock.reflect.Whitebox;
+
+public class MQConsumerTest {
+
+    private IterableProvider<MQConfig> mqConfigProvider;
+
+    private ConnectionFactory connectionFactory;
+
+    private MQConsumer mqConsumer;
+
+    private MQConsumer mqConsumer1;
+
+    private MQConsumer mqConsumer2;
+
+    @Before
+    public void setUp() {
+
+        mqConsumer = new MQConsumer();
+
+        mqConfigProvider = PowerMock.createMock(IterableProvider.class);
+        connectionFactory = PowerMock.createMock(ConnectionFactory.class);
+
+        Whitebox.setInternalState(mqConsumer, "mqConfigProvider", mqConfigProvider);
+        Whitebox.setInternalState(mqConsumer, "connectionFactory", connectionFactory);
+    }
+
+    @Test
+    public void init() throws Exception {
+        MQConfig mqConfig = new MQConfig();
+        mqConfig.brokerIp = "127.0.0.1";
+        mqConfig.brokerPort = 4567;
+        mqConfig.brokerUsername = "admin";
+        mqConfig.brokerPassword = "admin";
+
+        expect(mqConfigProvider.get()).andReturn(mqConfig).anyTimes();
+        PowerMock.replayAll();
+
+        PowerMock.verifyAll();
+    }
+
+    @Test
+    public void listener_receive() throws JMSException {
+        MQConsumer.AlarmMqMessageListener listener = mqConsumer.new AlarmMqMessageListener();
+
+        Connection connection = PowerMock.createMock(Connection.class);
+        Session session = PowerMock.createMock(Session.class);
+        Destination destination = PowerMock.createMock(Topic.class);
+        MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);
+
+        Whitebox.setInternalState(listener, "connection", connection);
+        Whitebox.setInternalState(listener, "session", session);
+        Whitebox.setInternalState(listener, "destination", destination);
+        Whitebox.setInternalState(listener, "consumer", consumer);
+
+        PowerMock.reset();
+
+        expect(connectionFactory.createConnection()).andReturn(connection);
+        connection.start();
+        expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);
+        expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);
+        expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);
+        consumer.setMessageListener(listener);
+
+        PowerMock.replayAll();
+
+        listener.receive();
+
+        PowerMock.verifyAll();
+    }
+
+    @Test
+    public void listener_exception() throws JMSException {
+        MQConsumer.AlarmMqMessageListener listener = mqConsumer.new AlarmMqMessageListener();
+
+        Connection connection = PowerMock.createMock(Connection.class);
+        Session session = PowerMock.createMock(Session.class);
+        Destination destination = PowerMock.createMock(Topic.class);
+        MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);
+
+        Whitebox.setInternalState(listener, "connection", connection);
+        Whitebox.setInternalState(listener, "session", session);
+        Whitebox.setInternalState(listener, "destination", destination);
+        Whitebox.setInternalState(listener, "consumer", consumer);
+
+        PowerMock.reset();
+
+        expect(connectionFactory.createConnection()).andReturn(connection);
+        connection.start();
+        expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);
+        expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);
+        expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);
+        consumer.setMessageListener(listener);
+        EasyMock.expectLastCall().andThrow(new JMSException(""));
+
+        consumer.close();
+        session.close();
+        connection.close();
+
+        PowerMock.replayAll();
+
+        listener.receive();
+
+        PowerMock.verifyAll();
+    }
+
+    @Test
+    public void listener_close_exception() throws JMSException {
+        MQConsumer.AlarmMqMessageListener listener = mqConsumer.new AlarmMqMessageListener();
+
+        Connection connection = PowerMock.createMock(Connection.class);
+        Session session = PowerMock.createMock(Session.class);
+        Destination destination = PowerMock.createMock(Topic.class);
+        MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);
+
+        Whitebox.setInternalState(listener, "connection", connection);
+        Whitebox.setInternalState(listener, "session", session);
+        Whitebox.setInternalState(listener, "destination", destination);
+        Whitebox.setInternalState(listener, "consumer", consumer);
+
+        PowerMock.reset();
+
+        expect(connectionFactory.createConnection()).andReturn(connection);
+        connection.start();
+        expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);
+        expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);
+        expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);
+        consumer.setMessageListener(listener);
+        EasyMock.expectLastCall().andThrow(new JMSException(""));
+
+        consumer.close();
+        EasyMock.expectLastCall().andThrow(new JMSException(""));
+
+        PowerMock.replayAll();
+
+        listener.receive();
+
+        PowerMock.verifyAll();
+    }
+
+    @Test
+    public void listener_on_message() throws JMSException {
+        MQConsumer.AlarmMqMessageListener listener = mqConsumer.new AlarmMqMessageListener();
+        Alarm alarm = new Alarm();
+        alarm.setAlarmKey("alarmKey");
+        ActiveMQObjectMessage objectMessage = new ActiveMQObjectMessage();
+        objectMessage.setObject(alarm);
+
+        listener.onMessage(objectMessage);
+    }
+}