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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.test.support;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import org.slf4j.Logger;
import org.onap.dmaap.mr.client.MRConsumer;
import org.onap.dmaap.mr.client.response.MRConsumerResponse;
/**
* A helper for unit testing systems that use a MRConsumer. When setting
* up your test, inject an instance into MRClientFactory to have it return
* the mock client.
*
* @author author
*
*/
public class MRConsumerMock implements MRConsumer
{
public class Entry
{
public Entry ( long waitMs, int statusCode, List<String> msgs )
{
fWaitMs = waitMs;
fStatusCode = statusCode;
fStatusMsg = null;
fMsgs = new LinkedList<> ( msgs );
}
public Entry ( long waitMs, int statusCode, String statusMsg )
{
fWaitMs = waitMs;
fStatusCode = statusCode;
fStatusMsg = statusMsg;
fMsgs = null;
}
public LinkedList<String> run () throws IOException
{
try
{
Thread.sleep ( fWaitMs );
if ( fStatusCode >= 200 && fStatusCode <= 299 )
{
return fMsgs;
}
throw new IOException ( "" + fStatusCode + " " + fStatusMsg );
}
catch ( InterruptedException e )
{
Thread.currentThread().interrupt();
throw new IOException ( e );
}
}
private final long fWaitMs;
private final int fStatusCode;
private final String fStatusMsg;
private final LinkedList<String> fMsgs;
}
public MRConsumerMock ()
{
fReplies = new LinkedList<> ();
}
@Override
public void close ()
{
}
@Override
public void setApiCredentials ( String apiKey, String apiSecret )
{
}
@Override
public void clearApiCredentials ()
{
}
public synchronized void add ( Entry e )
{
fReplies.add ( e );
}
public void addImmediateMsg ( String msg )
{
addDelayedMsg ( 0, msg );
}
public void addDelayedMsg ( long delay, String msg )
{
final LinkedList<String> list = new LinkedList<> ();
list.add ( msg );
add ( new Entry ( delay, 200, list ) );
}
public void addImmediateMsgGroup ( List<String> msgs )
{
addDelayedMsgGroup ( 0, msgs );
}
public void addDelayedMsgGroup ( long delay, List<String> msgs )
{
final LinkedList<String> list = new LinkedList<> ( msgs );
add ( new Entry ( delay, 200, list ) );
}
public void addImmediateError ( int statusCode, String statusText )
{
add ( new Entry ( 0, statusCode, statusText ) );
}
@Override
public Iterable<String> fetch () throws IOException
{
return fetch ( -1, -1 );
}
@Override
public Iterable<String> fetch ( int timeoutMs, int limit ) throws IOException
{
return fReplies.size () > 0 ? fReplies.removeFirst ().run() : new LinkedList<String>();
}
@Override
public void logTo ( Logger log )
{
}
private final LinkedList<Entry> fReplies;
@Override
public MRConsumerResponse fetchWithReturnConsumerResponse() {
// TODO Auto-generated method stub
return null;
}
@Override
public MRConsumerResponse fetchWithReturnConsumerResponse(int timeoutMs,
int limit) {
// TODO Auto-generated method stub
return null;
}
}
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