library/src/test/java/org/apache/apex/malhar/lib/appdata/query/SimpleQueryQueueManagerTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 com.datatorrent.lib.appdata.query;

import org.junit.Assert;
import org.junit.Test;

import com.datatorrent.lib.appdata.schemas.Query;

public class SimpleQueryQueueManagerTest
{
  @Test
  public void simpleTest()
  {
    SimpleQueueManager<Query, Void, Void> sqqm = new SimpleQueueManager<Query, Void, Void>();

    sqqm.setup(null);
    sqqm.beginWindow(0);

    Query query = new MockQuery("1");

    sqqm.enqueue(query, null, null);
    Query queryD = sqqm.dequeue().getQuery();
    QueryBundle<Query, Void, Void> qb = sqqm.dequeue();
    Query queryD1 = qb == null ? null : qb.getQuery();

    sqqm.teardown();
    sqqm.teardown();

    Assert.assertEquals("The query object must equal", query, queryD);
    Assert.assertEquals("The query object must equal", null, queryD1);
  }
}