contrib/src/test/java/com/datatorrent/contrib/mongodb/MongoDBInputOperatorTest.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.contrib.mongodb;


import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.datatorrent.lib.testbench.CollectorTestSink;
import com.mongodb.DBCursor;

import static com.datatorrent.lib.helper.OperatorContextTestHelper.mockOperatorContext;

/**
 *
 */
public class MongoDBInputOperatorTest
{
  private static final Logger logger = LoggerFactory.getLogger(MongoDBInputOperatorTest.class);
  public String[] hashMapping1 = new String[columnNum];
  public String[] arrayMapping1 = new String[columnNum];
  public final static int maxTuple = 20;
  public final static int columnNum = 5;

  public class MyMongoDBInputOperator extends MongoDBInputOperator<Object>
  {
    @Override
    public Object getTuple(DBCursor result)
    {
      while(result.hasNext()) {
        System.out.println(result.next().toString());
      }
      return result;
    }
  };

  @Test
  public void MongoDBInputOperatorTest()
  {
    MyMongoDBInputOperator oper = new MyMongoDBInputOperator();

    oper.setHostName("localhost");
    oper.setDataBase("test");
    oper.setUserName("test");
    oper.setPassWord("123");
    oper.setTable("t1");

//    AttributeMap<DAGContext> attrmap = new DefaultAttributeMap<DAGContext>();
//    attrmap.attr(DAG.STRAM_APP_ID).set("myMongoDBInputOperatorAppId");
    oper.setup(mockOperatorContext(1));

    oper.beginWindow(0);

    CollectorTestSink sink = new CollectorTestSink();
    oper.outputPort.setSink(sink);

    oper.emitTuples();

    oper.endWindow();

    oper.teardown();
  }
}