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HACoordinationSinkHandlerTest.java
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HACoordinationSinkHandlerTest.java
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/*
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.wso2.carbon.stream.processor.core;
import org.mockito.Mockito;
import org.mockito.internal.util.reflection.Whitebox;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.testng.PowerMockTestCase;
import org.testng.Assert;
import org.testng.annotations.Test;
import org.wso2.carbon.stream.processor.core.ha.HACoordinationSinkHandler;
import org.wso2.carbon.stream.processor.core.ha.HACoordinationSinkHandlerManager;
import org.wso2.siddhi.core.event.Event;
import org.wso2.siddhi.core.stream.output.sink.PassThroughSinkMapper;
import org.wso2.siddhi.core.stream.output.sink.SinkHandlerCallback;
import org.wso2.siddhi.query.api.definition.StreamDefinition;
import static org.powermock.api.mockito.PowerMockito.doNothing;
import static org.powermock.api.mockito.PowerMockito.mock;
public class HACoordinationSinkHandlerTest extends PowerMockTestCase {
private static final String SINK_1 = "sink-1";
private SinkHandlerCallback sinkHandlerCallback;
@Test
public void testPassiveNodeEventQueue() {
HACoordinationSinkHandler haCoordinationSinkHandler = (HACoordinationSinkHandler)
new HACoordinationSinkHandlerManager(10).generateSinkHandler();
sinkHandlerCallback = mock(SinkHandlerCallback.class);
doNothing().when(sinkHandlerCallback).mapAndSend(Mockito.any(Event.class));
haCoordinationSinkHandler.init(SINK_1, new StreamDefinition());
Whitebox.setInternalState(haCoordinationSinkHandler, "sinkHandlerCallback", sinkHandlerCallback);
Event event = new Event();
Event eventTwo = new Event();
Event eventThree = new Event();
Event eventFour = new Event();
event.setTimestamp(1L);
eventTwo.setTimestamp(2L);
eventThree.setTimestamp(3L);
eventFour.setTimestamp(4L);
haCoordinationSinkHandler.handle(event);
haCoordinationSinkHandler.handle(eventTwo);
haCoordinationSinkHandler.handle(eventThree);
haCoordinationSinkHandler.handle(eventFour);
Assert.assertEquals(haCoordinationSinkHandler.getPassiveNodeProcessedEvents().size(), 4);
Assert.assertEquals(haCoordinationSinkHandler.getPassiveNodeProcessedEvents().peek().getTimestamp(), 1L);
//Active Node Published Event at TS=2
haCoordinationSinkHandler.trimPassiveNodeEventQueue(2L);
Assert.assertEquals(haCoordinationSinkHandler.getPassiveNodeProcessedEvents().size(), 2);
Assert.assertEquals(haCoordinationSinkHandler.getPassiveNodeProcessedEvents().peek().getTimestamp(), 3L);
haCoordinationSinkHandler.setAsActive();
Assert.assertEquals(haCoordinationSinkHandler.getPassiveNodeProcessedEvents().size(), 0);
}
@Test
public void testActiveNodeTSUpdate() {
HACoordinationSinkHandler haCoordinationSinkHandler = (HACoordinationSinkHandler)
new HACoordinationSinkHandlerManager(10).generateSinkHandler();
sinkHandlerCallback = mock(SinkHandlerCallback.class);
doNothing().when(sinkHandlerCallback).mapAndSend(Mockito.any(Event.class));
haCoordinationSinkHandler.init(SINK_1, new StreamDefinition());
Whitebox.setInternalState(haCoordinationSinkHandler, "sinkHandlerCallback", sinkHandlerCallback);
Event event = new Event();
Event eventTwo = new Event();
Event eventThree = new Event();
Event eventFour = new Event();
event.setTimestamp(1L);
eventTwo.setTimestamp(2L);
eventThree.setTimestamp(3L);
eventFour.setTimestamp(4L);
haCoordinationSinkHandler.handle(event);
haCoordinationSinkHandler.handle(eventTwo);
//Passive Node Should Not Save the Last Published Timestamp
Assert.assertEquals(haCoordinationSinkHandler.getActiveNodeLastPublishedTimestamp(), 0L);
haCoordinationSinkHandler.setAsActive();
//Active Node Should Now Save Last Published Timestamp
haCoordinationSinkHandler.handle(eventThree);
haCoordinationSinkHandler.handle(eventFour);
Assert.assertEquals(haCoordinationSinkHandler.getActiveNodeLastPublishedTimestamp(), 4L);
}
}